TapestryModule.java
| Index Score | ||
|---|---|---|
 |
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org.apache.tapestry5.services |
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Apache Tapestry 5 |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| PARAMS | Number of formal parameter declarations |  |
| SIZE | Size of the file in bytes | |
| UNIQUE_OPERANDS | Number of unique operands | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| LINE_COMMENT | Number of line comments | |
| EXITS | Procedure exits | |
| OPERANDS | Number of operands | |
| FUNCTIONS | Number of function declarations | |
| PROGRAM_LENGTH | Halstead program length | |
| LINES | Number of lines in the source file | |
| OPERATORS | Number of operators | |
| DECL_COMMENTS | Comments in declarations | |
| LOC | Lines of code | |
| ELOC | Effective lines of code | |
| WHITESPACE | Number of whitespace lines | |
| LOGICAL_LINES | Number of statements | |
| RETURNS | Number of return points from functions | |
| EXEC_COMMENTS | Comments in executable code | |
| COMMENTS | Comment lines | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| BLOCKS | Number of blocks | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0138 | JAVA0138 N parameters defined for method (maximum: M) | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| COMPARISONS | Number of comparison operators | |
| LOOPS | Number of loops | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
// Copyright 2006, 2007, 2008 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry5.services;
import org.apache.tapestry5.*;
import org.apache.tapestry5.annotations.*;
import org.apache.tapestry5.beaneditor.Validate;
import org.apache.tapestry5.corelib.data.BlankOption;
import org.apache.tapestry5.corelib.data.GridPagerPosition;
import org.apache.tapestry5.corelib.data.InsertPosition;
import org.apache.tapestry5.grid.GridDataSource;
import org.apache.tapestry5.internal.*;
import org.apache.tapestry5.internal.beaneditor.PrimitiveFieldConstraintGenerator;
import org.apache.tapestry5.internal.beaneditor.ValidateAnnotationConstraintGenerator;
import org.apache.tapestry5.internal.bindings.*;
import org.apache.tapestry5.internal.events.InvalidationListener;
import org.apache.tapestry5.internal.grid.CollectionGridDataSource;
import org.apache.tapestry5.internal.grid.NullDataSource;
import org.apache.tapestry5.internal.renderers.*;
import org.apache.tapestry5.internal.services.*;
import org.apache.tapestry5.internal.transform.*;
import org.apache.tapestry5.internal.translator.*;
import org.apache.tapestry5.internal.util.IntegerRange;
import org.apache.tapestry5.internal.util.RenderableAsBlock;
import org.apache.tapestry5.internal.util.StringRenderable;
import org.apache.tapestry5.ioc.*;
import org.apache.tapestry5.ioc.annotations.*;
import org.apache.tapestry5.ioc.internal.util.CollectionFactory;
import org.apache.tapestry5.ioc.internal.util.IdAllocator;
import org.apache.tapestry5.ioc.services.*;
import org.apache.tapestry5.ioc.util.StrategyRegistry;
import org.apache.tapestry5.ioc.util.TimeInterval;
import org.apache.tapestry5.json.JSONObject;
import org.apache.tapestry5.runtime.Component;
import org.apache.tapestry5.runtime.ComponentResourcesAware;
import org.apache.tapestry5.runtime.RenderCommand;
import org.apache.tapestry5.util.StringToEnumCoercion;
import org.apache.tapestry5.validator.*;
import org.slf4j.Logger;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.net.URL;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* The root module for Tapestry.
*/
@SuppressWarnings({"JavaDoc"})
@Marker(Core.class)
@SubModule(InternalModule.class)
public final class TapestryModule
{
private final PipelineBuilder pipelineBuilder;
private final ApplicationGlobals applicationGlobals;
private final PropertyShadowBuilder shadowBuilder;
private final Environment environment;
private final StrategyBuilder strategyBuilder;
private final PropertyAccess propertyAccess;
private final ComponentInstantiatorSource componentInstantiatorSource;
private final ChainBuilder chainBuilder;
private final Request request;
private final Response response;
private final ThreadLocale threadLocale;
private final RequestGlobals requestGlobals;
private final ActionRenderResponseGenerator actionRenderResponseGenerator;
private final EnvironmentalShadowBuilder environmentalBuilder;
/**
* We inject all sorts of common dependencies (including builders) into the module itself (note: even though some of
* these service are defined by the module itself, that's ok because services are always lazy proxies). This isn't
* about efficiency (it may be slightly more efficient, but not in any noticable way), it's about eliminating the
* need to keep injecting these dependencies into invividual service builder and contribution methods.
*/
public TapestryModule(PipelineBuilder pipelineBuilder,
PropertyShadowBuilder shadowBuilder,
RequestGlobals requestGlobals,
ApplicationGlobals applicationGlobals,
ChainBuilder chainBuilder,
Environment environment,
StrategyBuilder strategyBuilder,
ComponentInstantiatorSource componentInstantiatorSource,
PropertyAccess propertyAccess,
Request request,
Response response,
ThreadLocale threadLocale,
ActionRenderResponseGenerator actionRenderResponseGenerator,
EnvironmentalShadowBuilder environmentalBuilder)
{
this.pipelineBuilder = pipelineBuilder;
this.shadowBuilder = shadowBuilder;
this.requestGlobals = requestGlobals;
this.applicationGlobals = applicationGlobals;
this.chainBuilder = chainBuilder;
this.environment = environment;
this.strategyBuilder = strategyBuilder;
this.componentInstantiatorSource = componentInstantiatorSource;
this.propertyAccess = propertyAccess;
this.request = request;
this.response = response;
this.threadLocale = threadLocale;
this.actionRenderResponseGenerator = actionRenderResponseGenerator;
this.environmentalBuilder = environmentalBuilder;
}
public static void bind(ServiceBinder binder)
{
binder.bind(ClasspathAssetAliasManager.class, ClasspathAssetAliasManagerImpl.class);
binder.bind(PersistentLocale.class, PersistentLocaleImpl.class);
binder.bind(ApplicationStateManager.class, ApplicationStateManagerImpl.class);
binder.bind(ApplicationStatePersistenceStrategySource.class,
ApplicationStatePersistenceStrategySourceImpl.class);
binder.bind(BindingSource.class, BindingSourceImpl.class);
binder.bind(FieldValidatorSource.class, FieldValidatorSourceImpl.class);
binder.bind(ApplicationGlobals.class, ApplicationGlobalsImpl.class);
binder.bind(AssetSource.class, AssetSourceImpl.class);
binder.bind(Cookies.class, CookiesImpl.class);
binder.bind(Environment.class, EnvironmentImpl.class);
binder.bind(FieldValidatorDefaultSource.class, FieldValidatorDefaultSourceImpl.class);
binder.bind(RequestGlobals.class, RequestGlobalsImpl.class);
binder.bind(ResourceDigestGenerator.class, ResourceDigestGeneratorImpl.class);
binder.bind(ValidationConstraintGenerator.class, ValidationConstraintGeneratorImpl.class);
binder.bind(EnvironmentalShadowBuilder.class, EnvironmentalShadowBuilderImpl.class);
binder.bind(ComponentSource.class, ComponentSourceImpl.class);
binder.bind(BeanModelSource.class, BeanModelSourceImpl.class);
binder.bind(BeanBlockSource.class, BeanBlockSourceImpl.class);
binder.bind(ComponentDefaultProvider.class, ComponentDefaultProviderImpl.class);
binder.bind(MarkupWriterFactory.class, MarkupWriterFactoryImpl.class);
binder.bind(FieldValidationSupport.class, FieldValidationSupportImpl.class);
binder.bind(ObjectRenderer.class, LocationRenderer.class).withId("LocationRenderer");
binder.bind(ObjectProvider.class, AssetObjectProvider.class).withId("AssetObjectProvider");
binder.bind(RequestExceptionHandler.class, DefaultRequestExceptionHandler.class);
binder.bind(ComponentEventResultProcessor.class, ComponentInstanceResultProcessor.class).withId(
"ComponentInstanceResultProcessor");
binder.bind(NullFieldStrategySource.class, NullFieldStrategySourceImpl.class);
binder.bind(HttpServletRequestFilter.class, IgnoredPathsFilter.class).withId("IgnoredPathsFilter");
binder.bind(ContextValueEncoder.class, ContextValueEncoderImpl.class);
binder.bind(BaseURLSource.class, BaseURLSourceImpl.class);
binder.bind(BeanBlockOverrideSource.class, BeanBlockOverrideSourceImpl.class);
binder.bind(AliasManager.class, AliasManagerImpl.class).withId("AliasOverrides");
binder.bind(HiddenFieldLocationRules.class, HiddenFieldLocationRulesImpl.class);
binder.bind(PageDocumentGenerator.class, PageDocumentGeneratorImpl.class);
binder.bind(ResponseRenderer.class, ResponseRendererImpl.class);
}
// ========================================================================
//
// Service Builder Methods (static)
//
// ========================================================================
public static Alias buildAlias(Logger logger,
@Inject @Symbol(InternalConstants.TAPESTRY_ALIAS_MODE_SYMBOL)
String mode,
@InjectService("AliasOverrides")
AliasManager overridesManager,
Collection<AliasContribution> configuration)
{
AliasManager manager = new AliasManagerImpl(logger, configuration);
return new AliasImpl(manager, mode, overridesManager);
}
// ========================================================================
//
// Service Contribution Methods (static)
//
// ========================================================================
/**
* Contributes the factory for serveral built-in binding prefixes ("asset", "block", "component", "literal", prop",
* "nullfieldstrategy", "message", "validate", "translate", "var").
*/
public static void contributeBindingSource(MappedConfiguration<String, BindingFactory> configuration,
@InjectService("PropBindingFactory")
BindingFactory propBindingFactory,
ObjectLocator locator)
{
configuration.add(BindingConstants.LITERAL, new LiteralBindingFactory());
configuration.add(BindingConstants.PROP, propBindingFactory);
configuration.add(BindingConstants.COMPONENT, new ComponentBindingFactory());
configuration.add(BindingConstants.MESSAGE, new MessageBindingFactory());
configuration.add(BindingConstants.VALIDATE, locator.autobuild(ValidateBindingFactory.class));
configuration.add(BindingConstants.TRANSLATE, locator.autobuild(TranslateBindingFactory.class));
configuration.add(BindingConstants.BLOCK, new BlockBindingFactory());
configuration.add(BindingConstants.ASSET, locator.autobuild(AssetBindingFactory.class));
configuration.add(BindingConstants.VAR, new RenderVariableBindingFactory());
configuration.add(BindingConstants.NULLFIELDSTRATEGY,
locator.autobuild(NullFieldStrategyBindingFactory.class));
}
public static void contributeClasspathAssetAliasManager(MappedConfiguration<String, String> configuration,
@Symbol(SymbolConstants.TAPESTRY_VERSION)
String version,
// @Inject not needed, because this isn't a service builder method
@Symbol("tapestry.scriptaculous.path")
String scriptaculousPath,
@Symbol("tapestry.datepicker.path")
String datepickerPath)
{
// TAPESTRY-2159: All the classpath assets are inside a version numbered folder (i.e., 5.0.12).
// For scriptaculous, etc., this version is not the version of the library, but the version
// bundled with Tapestry.
configuration.add("tapestry/" + version, "org/apache/tapestry5");
configuration.add("scriptaculous/" + version, scriptaculousPath);
configuration.add("datepicker/" + version, datepickerPath);
}
public static void contributeComponentClassResolver(Configuration<LibraryMapping> configuration)
{
configuration.add(new LibraryMapping("core", "org.apache.tapestry5.corelib"));
}
/**
* Adds a number of standard component class transform workers: <dl> <dt>Retain </dt> <dd>Allows fields to retain
* their values between requests</dd> <dt>Persist </dt> <dd>Allows fields to store their their value persistently
* between requests</dd> <dt>Parameter </dt> <dd>Identifies parameters based on the {@link
* org.apache.tapestry5.annotations.Parameter} annotation</dd> <dt>Component </dt> <dd>Defines embedded components
* based on the {@link org.apache.tapestry5.annotations.Component} annotation</dd> <dt>Mixin </dt> <dd>Adds a mixin
* as part of a component's implementation</dd> <dt>Environment </dt> <dd>Allows fields to contain values extracted
* from the {@link org.apache.tapestry5.services.Environment} service</dd> <dt>Inject </dt> <dd>Used with the {@link
* org.apache.tapestry5.ioc.annotations.Inject} annotation, when a value is supplied</dd> <dt>InjectPage</dt>
* <dd>Adds code to allow access to other pages via the {@link org.apache.tapestry5.annotations.InjectPage} field
* annotation</dd> <dt>InjectBlock </dt> <dd>Allows a block from the template to be injected into a field</dd>
* <dt>IncludeStylesheet </dt> <dd>Supports the {@link org.apache.tapestry5.annotations.IncludeStylesheet}
* annotation</dd> <dt>IncludeJavaScriptLibrary </dt> <dd>Supports the {@link org.apache.tapestry5.annotations.IncludeJavaScriptLibrary}
* annotation</dd> <dt>SupportsInformalParameters </dt> <dd>Checks for the annotation</dd> <dt>Meta </dt> <dd>Checks
* for meta data and adds it to the component model</dd> <dt>ApplicationState </dt> <dd>Converts fields that
* reference application state objects <dt>UnclaimedField </dt> <dd>Identifies unclaimed fields and resets them to
* null/0/false at the end of the request</dd> <dt>RenderCommand </dt> <dd>Ensures all components also implement
* {@link org.apache.tapestry5.runtime.RenderCommand}</dd> <dt>SetupRender, BeginRender, etc. </dt> <dd>Correspond
* to component render phases and annotations</dd> <dt>InvokePostRenderCleanupOnResources </dt> <dd>Makes sure
* {@link org.apache.tapestry5.internal.InternalComponentResources#postRenderCleanup()} is invoked after a component
* finishes rendering</dd> <dt>Secure</dt> <dd>Checks for the {@link org.apache.tapestry5.annotations.Secure}
* annotation</dd> <dt>ContentType</dt> <dd>Checks for {@link org.apache.tapestry5.annotations.ContentType}
* annotation</dd> <dt>GenerateAccessors</dt> <dd>Generates accessor methods if {@link
* org.apache.tapestry5.annotations.Property} annotation is present </dd> <dt>Cached</dt> <dd>Checks for the {@link
* org.apache.tapestry5.annotations.Cached} annotation</dd><dt>Log</dt> <dd>Checks for the {@link
* org.apache.tapestry5.annotations.Log} annotation</dd></dl>
*/
public static void contributeComponentClassTransformWorker(
OrderedConfiguration<ComponentClassTransformWorker> configuration,
ObjectLocator locator,
InjectionProvider injectionProvider,
ComponentClassResolver resolver)
{
// TODO: Proper scheduling of all of this. Since a given field or method should
// only have a single annotation, the order doesn't matter so much, as long as
// UnclaimedField is last.
configuration.add("Cached", locator.autobuild(CachedWorker.class));
configuration.add("Meta", new MetaWorker());
configuration.add("Inject", new InjectWorker(locator, injectionProvider));
configuration.add("Secure", new SecureWorker());
configuration.add("MixinAfter", new MixinAfterWorker());
configuration.add("Component", new ComponentWorker(resolver));
configuration.add("Mixin", new MixinWorker(resolver));
configuration.add("OnEvent", new OnEventWorker());
configuration.add("SupportsInformalParameters", new SupportsInformalParametersWorker());
configuration.add("InjectPage", locator.autobuild(InjectPageWorker.class));
configuration.add("InjectContainer", new InjectContainerWorker());
configuration.add("InjectComponent", new InjectComponentWorker());
configuration.add("RenderCommand", new RenderCommandWorker());
// Default values for parameters are often some form of injection, so make sure
// that Parameter fields are processed after injections.
configuration.add("Parameter", locator.autobuild(ParameterWorker.class), "after:Inject*");
// Workers for the component rendering state machine methods; this is in typical
// execution order.
add(configuration, TransformConstants.SETUP_RENDER_SIGNATURE, SetupRender.class, false);
add(configuration, TransformConstants.BEGIN_RENDER_SIGNATURE, BeginRender.class, false);
add(configuration, TransformConstants.BEFORE_RENDER_TEMPLATE_SIGNATURE, BeforeRenderTemplate.class, false);
add(configuration, TransformConstants.BEFORE_RENDER_BODY_SIGNATURE, BeforeRenderBody.class, false);
// These phases operate in reverse order.
add(configuration, TransformConstants.AFTER_RENDER_BODY_SIGNATURE, AfterRenderBody.class, true);
add(configuration, TransformConstants.AFTER_RENDER_TEMPLATE_SIGNATURE, AfterRenderTemplate.class, true);
add(configuration, TransformConstants.AFTER_RENDER_SIGNATURE, AfterRender.class, true);
add(configuration, TransformConstants.CLEANUP_RENDER_SIGNATURE, CleanupRender.class, true);
// Ideally, these should be ordered pretty late in the process to make sure there are no
// side effects with other workers that do work inside the page lifecycle methods.
add(configuration, PageLoaded.class, TransformConstants.CONTAINING_PAGE_DID_LOAD_SIGNATURE, "pageLoaded");
add(configuration, PageAttached.class, TransformConstants.CONTAINING_PAGE_DID_ATTACH_SIGNATURE, "pageAttached");
add(configuration, PageDetached.class, TransformConstants.CONTAINING_PAGE_DID_DETACH_SIGNATURE, "pageDetached");
configuration.add("Retain", new RetainWorker());
configuration.add("Persist", new PersistWorker());
configuration.add("IncludeStylesheet", locator.autobuild(IncludeStylesheetWorker.class), "after:SetupRender");
configuration.add("IncludeJavaScriptLibrary", locator.autobuild(IncludeJavaScriptLibraryWorker.class),
"after:SetupRender");
configuration.add("InvokePostRenderCleanupOnResources", new InvokePostRenderCleanupOnResourcesWorker());
configuration.add("ContentType", new ContentTypeWorker());
configuration.add("Property", new PropertyWorker());
// These must come after Property, since they actually delete fields that may still have the annotation
configuration.add("ApplicationState", locator.autobuild(ApplicationStateWorker.class),
"after:Property");
configuration.add("Environment", locator.autobuild(EnvironmentalWorker.class), "after:Property");
configuration.add("Log", locator.autobuild(LogWorker.class));
// This one is always last. Any additional private fields that aren't annotated will
// be converted to clear out at the end of the request.
configuration.add("UnclaimedField", new UnclaimedFieldWorker(), "after:*");
configuration.add("PageActivationContext", new PageActivationContextWorker(), "before:OnEvent");
}
/**
* <dl> <dt>Annotation</dt> <dd>Checks for {@link org.apache.tapestry5.beaneditor.DataType} annotation</dd>
* <dt>Default (ordered last)</dt> <dd>{@link org.apache.tapestry5.internal.services.DefaultDataTypeAnalyzer}
* service ({@link #contributeDefaultDataTypeAnalyzer(org.apache.tapestry5.ioc.MappedConfiguration)} })</dd> </dl>
*/
public static void contributeDataTypeAnalyzer(OrderedConfiguration<DataTypeAnalyzer> configuration,
@InjectService("DefaultDataTypeAnalyzer")
DataTypeAnalyzer defaultDataTypeAnalyzer)
{
configuration.add("Annotation", new AnnotationDataTypeAnalyzer());
configuration.add("Default", defaultDataTypeAnalyzer, "after:*");
}
/**
* Maps property types to data type names: <ul> <li>String --> text <li>Number --> number <li>Enum --> enum
* <li>Boolean --> boolean <li>Date --> date </ul>
*/
public static void contributeDefaultDataTypeAnalyzer(MappedConfiguration<Class, String> configuration)
{
// This is a special case contributed to avoid exceptions when a property type can't be
// matched. DefaultDataTypeAnalyzer converts the empty string to null.
configuration.add(Object.class, "");
configuration.add(String.class, "text");
configuration.add(Number.class, "number");
configuration.add(Enum.class, "enum");
configuration.add(Boolean.class, "boolean");
configuration.add(Date.class, "date");
}
public static void contributeBeanBlockSource(Configuration<BeanBlockContribution> configuration)
{
addEditBlock(configuration, "text");
addEditBlock(configuration, "number");
addEditBlock(configuration, "enum");
addEditBlock(configuration, "boolean");
addEditBlock(configuration, "date");
addEditBlock(configuration, "password");
// longtext uses a text area, not a text field
addEditBlock(configuration, "longtext");
addDisplayBlock(configuration, "enum");
addDisplayBlock(configuration, "date");
// Password and long text have special output needs.
addDisplayBlock(configuration, "password");
addDisplayBlock(configuration, "longtext");
}
private static void addEditBlock(Configuration<BeanBlockContribution> configuration, String dataType)
{
addEditBlock(configuration, dataType, dataType);
}
private static void addEditBlock(Configuration<BeanBlockContribution> configuration, String dataType,
String blockId)
{
configuration.add(new BeanBlockContribution(dataType, "PropertyEditBlocks", blockId, true));
}
private static void addDisplayBlock(Configuration<BeanBlockContribution> configuration, String dataType)
{
addDisplayBlock(configuration, dataType, dataType);
}
private static void addDisplayBlock(Configuration<BeanBlockContribution> configuration, String dataType,
String blockId)
{
configuration.add(new BeanBlockContribution(dataType, "PropertyDisplayBlocks", blockId, false));
}
/**
* Contributes the basic set of validators: <ul> <li>required</li> <li>minlength</li> <li>maxlength</li>
* <li>min</li> <li>max</li> <li>regexp</li> </ul>
*/
public static void contributeFieldValidatorSource(MappedConfiguration<String, Validator> configuration)
{
configuration.add("required", new Required());
configuration.add("minlength", new MinLength());
configuration.add("maxlength", new MaxLength());
configuration.add("min", new Min());
configuration.add("max", new Max());
configuration.add("regexp", new Regexp());
configuration.add("email", new Email());
}
/**
* Contributes the base set of injection providers: <dl> <dt>Default</dt> <dd>based on {@link
* MasterObjectProvider}</dd> <dt>Block</dt> <dd>injects fields of type Block</dd> <dt>ComponentResources</dt>
* <dd>give component access to its resources</dd> <dt>CommonResources</dt> <dd>access to properties of resources
* (log, messages, etc.)</dd> <dt>Asset</dt> <dd>injection of assets (triggered via {@link Path} annotation), with
* the path relative to the component class</dd> <dt>Service</dt> <dd>ordered last, for use when Inject is present
* and nothing else works, matches field type against Tapestry IoC services</dd> </dl>
*/
public static void contributeInjectionProvider(OrderedConfiguration<InjectionProvider> configuration,
MasterObjectProvider masterObjectProvider,
ObjectLocator locator,
SymbolSource symbolSource,
AssetSource assetSource)
{
configuration.add("Default", new DefaultInjectionProvider(masterObjectProvider, locator));
configuration.add("ComponentResources", new ComponentResourcesInjectionProvider());
// This comes after default, to deal with conflicts between injecting a String as the
// component id, and injecting a string with @Symbol or @Value.
configuration.add("CommonResources", new CommonResourcesInjectionProvider(), "after:Default");
configuration.add("Asset", new AssetInjectionProvider(symbolSource, assetSource), "before:Default");
configuration.add("Block", new BlockInjectionProvider(), "before:Default");
// This needs to be the last one, since it matches against services
// and might blow up if there is no match.
configuration.add("Service", new ServiceInjectionProvider(locator), "after:*");
}
/**
* Contributes two object providers: <dl> <dt>Alias</dt> <dd> Searches by type among {@linkplain AliasContribution
* contributions} to the {@link Alias} service</dd> <dt>Asset<dt> <dd> Checks for the {@link Path} annotation, and
* injects an {@link Asset}</dd> <dt>Service</dt> <dd>Injects based on the {@link Service} annotation, if
* present</dd> </dl>
*/
public static void contributeMasterObjectProvider(OrderedConfiguration<ObjectProvider> configuration,
@Local
final Alias alias,
@InjectService("AssetObjectProvider")
ObjectProvider assetObjectProvider)
{
// There's a nasty web of dependencies related to Alias; this wrapper class lets us
// defer instantiating the Alias service implementation just long enough to defuse those
// dependencies. The @Local annotation prevents a recursive call through the
// MasterObjectProvider to resolve the Alias service itself; that is MasterObjectProvider
// gets built using this proxy, then the proxy will trigger the construction of AliasImpl
// (which itself needs MasterObjectProvider to resolve some dependencies).
ObjectProvider wrapper = new ObjectProvider()
{
public <T> T provide(Class<T> objectType, AnnotationProvider annotationProvider, ObjectLocator locator)
{
return alias.getObjectProvider().provide(objectType, annotationProvider, locator);
}
};
configuration.add("Alias", wrapper, "after:Value,Symbol");
configuration.add("Asset", assetObjectProvider, "before:Alias");
configuration.add("Service", new ServiceAnnotationObjectProvider(), "before:Alias");
}
public static void contributeHttpServletRequestHandler(OrderedConfiguration<HttpServletRequestFilter> configuration,
@InjectService("IgnoredPathsFilter")
HttpServletRequestFilter ignoredPathsFilter)
{
configuration.add("IgnoredPaths", ignoredPathsFilter);
}
/**
* Continues a number of filters into the RequestHandler service: <dl> <dt>StaticFiles</dt> <dd>Checks to see if the
* request is for an actual file, if so, returns true to let the servlet container process the request</dd>
* <dt>CheckForUpdates</dt> <dd>Periodically fires events that checks to see if the file system sources for any
* cached data has changed (see {@link org.apache.tapestry5.internal.services.CheckForUpdatesFilter}).
* <dt>ErrorFilter</dt> <dd>Catches request errors and lets the {@link org.apache.tapestry5.services.RequestExceptionHandler}
* handle them</dd> <dt>Localization</dt> <dd>Determines the locale for the current request from header data or
* cookies in the request</dd> <dt>StoreIntoGlobals</dt> <dd>Stores the request and response into the {@link
* org.apache.tapestry5.services.RequestGlobals} service (this is repeated at the end of the pipeline, in case any
* filter substitutes the request or response). </dl>
*/
public void contributeRequestHandler(OrderedConfiguration<RequestFilter> configuration, Context context,
// @Inject not needed because its a long, not a String
@Symbol(SymbolConstants.FILE_CHECK_INTERVAL)
@IntermediateType(TimeInterval.class)
long checkInterval,
@Symbol(SymbolConstants.FILE_CHECK_UPDATE_TIMEOUT)
@IntermediateType(TimeInterval.class)
long updateTimeout,
UpdateListenerHub updateListenerHub,
LocalizationSetter localizationSetter,
final EndOfRequestListenerHub endOfRequestListenerHub,
ObjectLocator locator)
{
RequestFilter staticFilesFilter = new StaticFilesFilter(context);
RequestFilter storeIntoGlobals = new RequestFilter()
{
public boolean service(Request request, Response response, RequestHandler handler) throws IOException
{
requestGlobals.storeRequestResponse(request, response);
return handler.service(request, response);
}
};
RequestFilter fireEndOfRequestEvent = new RequestFilter()
{
public boolean service(Request request, Response response, RequestHandler handler) throws IOException
{
try
{
return handler.service(request, response);
}
finally
{
endOfRequestListenerHub.fire(request);
}
}
};
configuration.add("CheckForUpdates",
new CheckForUpdatesFilter(updateListenerHub, checkInterval, updateTimeout), "before:*");
configuration.add("StaticFiles", staticFilesFilter);
configuration.add("ErrorFilter", locator.autobuild(RequestErrorFilter.class));
configuration.add("StoreIntoGlobals", storeIntoGlobals, "after:StaticFiles", "before:ErrorFilter");
configuration.add("EndOfRequest", fireEndOfRequestEvent, "after:StoreIntoGlobals", "before:ErrorFilter");
configuration.add("Localization", new LocalizationFilter(localizationSetter), "after:ErrorFilter");
}
/**
* Contributes the basic set of named translators: <ul> <li>string</li> <li>byte</li> <li>integer</li>
* <li>long</li> <li>float</li> <li>double</li> <li>short</li> </ul>
*/
public static void contributeTranslatorSource(MappedConfiguration<String, Translator> configuration)
{
configuration.add("string", new StringTranslator());
configuration.add("byte", new ByteTranslator());
configuration.add("integer", new IntegerTranslator());
configuration.add("long", new LongTranslator());
configuration.add("float", new FloatTranslator());
configuration.add("double", new DoubleTranslator());
configuration.add("short", new ShortTranslator());
}
/**
* Adds coercions: <ul> <li>String to {@link org.apache.tapestry5.SelectModel} <li>String to {@link
* org.apache.tapestry5.corelib.data.InsertPosition} <li>Map to {@link org.apache.tapestry5.SelectModel}
* <li>Collection to {@link GridDataSource} <li>null to {@link org.apache.tapestry5.grid.GridDataSource} <li>String
* to {@link org.apache.tapestry5.corelib.data.GridPagerPosition} <li>List to {@link
* org.apache.tapestry5.SelectModel} <li>{@link org.apache.tapestry5.runtime.ComponentResourcesAware} (typically, a
* component) to {@link org.apache.tapestry5.ComponentResources} <li>String to {@link
* org.apache.tapestry5.corelib.data.BlankOption} <li> {@link org.apache.tapestry5.ComponentResources} to {@link
* org.apache.tapestry5.PropertyOverrides} <li>String to {@link org.apache.tapestry5.Renderable} <li>{@link
* org.apache.tapestry5.Renderable} to {@link org.apache.tapestry5.Block}</ul>
*/
public static void contributeTypeCoercer(Configuration<CoercionTuple> configuration)
{
add(configuration, ComponentResources.class, PropertyOverrides.class,
new Coercion<ComponentResources, PropertyOverrides>()
{
public PropertyOverrides coerce(ComponentResources input)
{
return new PropertyOverridesImpl(input);
}
});
add(configuration, String.class, SelectModel.class, new Coercion<String, SelectModel>()
{
public SelectModel coerce(String input)
{
return TapestryInternalUtils.toSelectModel(input);
}
});
add(configuration, Map.class, SelectModel.class, new Coercion<Map, SelectModel>()
{
@SuppressWarnings("unchecked")
public SelectModel coerce(Map input)
{
return TapestryInternalUtils.toSelectModel(input);
}
});
add(configuration, Collection.class, GridDataSource.class, new Coercion<Collection, GridDataSource>()
{
public GridDataSource coerce(Collection input)
{
return new CollectionGridDataSource(input);
}
});
add(configuration, void.class, GridDataSource.class, new Coercion<Void, GridDataSource>()
{
private final GridDataSource source = new NullDataSource();
public GridDataSource coerce(Void input)
{
return source;
}
});
add(configuration, String.class, GridPagerPosition.class,
StringToEnumCoercion.create(GridPagerPosition.class));
add(configuration, String.class, InsertPosition.class, StringToEnumCoercion.create(InsertPosition.class));
add(configuration, String.class, BlankOption.class, StringToEnumCoercion.create(BlankOption.class));
add(configuration, List.class, SelectModel.class, new Coercion<List, SelectModel>()
{
@SuppressWarnings("unchecked")
public SelectModel coerce(List input)
{
return TapestryInternalUtils.toSelectModel(input);
}
});
add(configuration, String.class, Pattern.class, new Coercion<String, Pattern>()
{
public Pattern coerce(String input)
{
return Pattern.compile(input);
}
});
add(configuration, ComponentResourcesAware.class, ComponentResources.class,
new Coercion<ComponentResourcesAware, ComponentResources>()
{
public ComponentResources coerce(ComponentResourcesAware input)
{
return input.getComponentResources();
}
});
add(configuration, String.class, Renderable.class, new Coercion<String, Renderable>()
{
public Renderable coerce(String input)
{
return new StringRenderable(input);
}
});
add(configuration, Renderable.class, Block.class, new Coercion<Renderable, Block>()
{
public Block coerce(Renderable input)
{
return new RenderableAsBlock(input);
}
});
}
/**
* Adds built-in constraint generators: <ul> <li>PrimtiveField -- primitive fields are always required
* <li>ValidateAnnotation -- adds constraints from a {@link Validate} annotation </ul>
*/
public static void contributeValidationConstraintGenerator(
OrderedConfiguration<ValidationConstraintGenerator> configuration)
{
configuration.add("PrimitiveField", new PrimitiveFieldConstraintGenerator());
configuration.add("ValidateAnnotation", new ValidateAnnotationConstraintGenerator());
}
private static <S, T> void add(Configuration<CoercionTuple> configuration, Class<S> sourceType, Class<T> targetType,
Coercion<S, T> coercion)
{
CoercionTuple<S, T> tuple = new CoercionTuple<S, T>(sourceType, targetType, coercion);
configuration.add(tuple);
}
private static void add(OrderedConfiguration<ComponentClassTransformWorker> configuration,
Class<? extends Annotation> annotationClass,
TransformMethodSignature lifecycleMethodSignature, String methodAlias)
{
ComponentClassTransformWorker worker = new PageLifecycleAnnotationWorker(annotationClass,
lifecycleMethodSignature, methodAlias);
String name = TapestryInternalUtils.lastTerm(annotationClass.getName());
configuration.add(name, worker);
}
private static void add(OrderedConfiguration<ComponentClassTransformWorker> configuration,
TransformMethodSignature signature, Class<? extends Annotation> annotationClass,
boolean reverse)
{
// make the name match the annotation class name.
String name = annotationClass.getSimpleName();
configuration.add(name, new RenderPhaseMethodWorker(signature, annotationClass, reverse));
}
// ========================================================================
//
// Service Builder Methods (instance)
//
// ========================================================================
public Context buildContext(ApplicationGlobals globals)
{
return shadowBuilder.build(globals, "context", Context.class);
}
public ComponentClassResolver buildComponentClassResolver(ServiceResources resources)
{
ComponentClassResolverImpl service = resources.autobuild(ComponentClassResolverImpl.class);
// Allow the resolver to clean its cache when the source is invalidated
componentInstantiatorSource.addInvalidationListener(service);
return service;
}
@Marker(ClasspathProvider.class)
public AssetFactory buildClasspathAssetFactory(ResourceCache resourceCache, ClasspathAssetAliasManager aliasManager)
{
ClasspathAssetFactory factory = new ClasspathAssetFactory(resourceCache, aliasManager);
resourceCache.addInvalidationListener(factory);
return factory;
}
@Marker(ContextProvider.class)
public AssetFactory buildContextAssetFactory(ApplicationGlobals globals, RequestPathOptimizer optimizer)
{
return new ContextAssetFactory(request, globals.getContext(), optimizer);
}
/**
* Builds the PropBindingFactory as a chain of command. The terminator of the chain is responsible for ordinary
* property names (and property paths). Contributions to the service cover additional special cases, such as simple
* literal values.
*
* @param configuration contributions of special factories for some constants, each contributed factory may return a
* binding if applicable, or null otherwise
*/
public BindingFactory buildPropBindingFactory(List<BindingFactory> configuration,
PropertyConduitSource propertyConduitSource)
{
PropBindingFactory service = new PropBindingFactory(propertyConduitSource);
configuration.add(service);
return chainBuilder.build(BindingFactory.class, configuration);
}
/**
* Builds the source of {@link Messages} containing validation messages. The contributions are paths to message
* bundles (resource paths within the classpath); the default contribution is "org/apache/tapestry5/internal/ValidationMessages".
*/
public ValidationMessagesSource buildValidationMessagesSource(Collection<String> configuration,
UpdateListenerHub updateListenerHub,
@ClasspathProvider AssetFactory classpathAssetFactory)
{
ValidationMessagesSourceImpl service = new ValidationMessagesSourceImpl(configuration,
classpathAssetFactory.getRootResource());
updateListenerHub.addUpdateListener(service);
return service;
}
public MetaDataLocator buildMetaDataLocator(ServiceResources resources)
{
MetaDataLocatorImpl service = resources.autobuild(MetaDataLocatorImpl.class);
componentInstantiatorSource.addInvalidationListener(service);
return service;
}
public PersistentFieldStrategy buildClientPersistentFieldStrategy(LinkFactory linkFactory,
ServiceResources resources)
{
ClientPersistentFieldStrategy service = resources.autobuild(ClientPersistentFieldStrategy.class);
linkFactory.addListener(service);
return service;
}
/**
* Builds a proxy to the current {@link org.apache.tapestry5.RenderSupport} inside this thread's {@link
* Environment}.
*/
public RenderSupport buildRenderSupport()
{
return environmentalBuilder.build(RenderSupport.class);
}
/**
* Builds a proxy to the current {@link org.apache.tapestry5.services.FormSupport} inside this thread's {@link
* org.apache.tapestry5.services.Environment}.
*/
public FormSupport buildFormSupport()
{
return environmentalBuilder.build(FormSupport.class);
}
/**
* Allows the exact steps in the component class transformation process to be defined.
*/
public ComponentClassTransformWorker buildComponentClassTransformWorker(
List<ComponentClassTransformWorker> configuration)
{
return chainBuilder.build(ComponentClassTransformWorker.class, configuration);
}
/**
* Analyzes properties to determine the data types, used to {@linkplain #contributeBeanBlockSource(org.apache.tapestry5.ioc.Configuration)}
* locale display and edit blocks} for properties. The default behaviors look for a {@link
* org.apache.tapestry5.beaneditor.DataType} annotation before deriving the data type from the property type.
*/
@Marker(Primary.class)
public DataTypeAnalyzer buildDataTypeAnalyzer(List<DataTypeAnalyzer> configuration)
{
return chainBuilder.build(DataTypeAnalyzer.class, configuration);
}
/**
* A chain of command for providing values for {@link Inject}-ed fields in component classes. The service's
* configuration can be extended to allow for different automatic injections (based on some combination of field
* type and field name).
*/
public InjectionProvider buildInjectionProvider(List<InjectionProvider> configuration)
{
return chainBuilder.build(InjectionProvider.class, configuration);
}
/**
* Initializes the application.
*/
@Marker(Primary.class)
public ApplicationInitializer buildApplicationInitializer(Logger logger,
List<ApplicationInitializerFilter> configuration)
{
ApplicationInitializer terminator = new ApplicationInitializer()
{
public void initializeApplication(Context context)
{
applicationGlobals.storeContext(context);
}
};
return pipelineBuilder.build(logger, ApplicationInitializer.class, ApplicationInitializerFilter.class,
configuration, terminator);
}
public HttpServletRequestHandler buildHttpServletRequestHandler(Logger logger,
List<HttpServletRequestFilter> configuration,
@Primary
final RequestHandler handler,
@Inject @Symbol(SymbolConstants.CHARSET)
final String applicationCharset)
{
HttpServletRequestHandler terminator = new HttpServletRequestHandler()
{
public boolean service(HttpServletRequest servletRequest, HttpServletResponse servletResponse)
throws IOException
{
requestGlobals.storeServletRequestResponse(servletRequest, servletResponse);
Request request = new RequestImpl(servletRequest, applicationCharset);
Response response = new ResponseImpl(servletResponse);
// Transition from the Servlet API-based pipeline, to the Tapestry-based pipeline.
return handler.service(request, response);
}
};
return pipelineBuilder.build(logger, HttpServletRequestHandler.class, HttpServletRequestFilter.class,
configuration, terminator);
}
@Marker(Primary.class)
public RequestHandler buildRequestHandler(Logger logger, List<RequestFilter> configuration,
@Primary
final Dispatcher masterDispatcher)
{
RequestHandler terminator = new RequestHandler()
{
public boolean service(Request request, Response response) throws IOException
{
requestGlobals.storeRequestResponse(request, response);
return masterDispatcher.dispatch(request, response);
}
};
return pipelineBuilder.build(logger, RequestHandler.class, RequestFilter.class, configuration, terminator);
}
public ServletApplicationInitializer buildServletApplicationInitializer(Logger logger,
List<ServletApplicationInitializerFilter> configuration,
@Primary
final ApplicationInitializer initializer)
{
ServletApplicationInitializer terminator = new ServletApplicationInitializer()
{
public void initializeApplication(ServletContext context)
{
applicationGlobals.storeServletContext(context);
// And now, down the (Web) ApplicationInitializer pipeline ...
initializer.initializeApplication(new ContextImpl(context));
}
};
return pipelineBuilder.build(logger, ServletApplicationInitializer.class,
ServletApplicationInitializerFilter.class, configuration, terminator);
}
/**
* The component event result processor used for normal component requests.
*/
@Marker({Primary.class, Traditional.class})
public ComponentEventResultProcessor buildComponentEventResultProcessor(
Map<Class, ComponentEventResultProcessor> configuration)
{
return constructComponentEventResultProcessor(configuration);
}
/**
* The component event result processor used for Ajax-oriented component requests.
*/
@Marker(Ajax.class)
public ComponentEventResultProcessor buildAjaxComponentEventResultProcessor(
Map<Class, ComponentEventResultProcessor> configuration)
{
return constructComponentEventResultProcessor(configuration);
}
private ComponentEventResultProcessor constructComponentEventResultProcessor(
Map<Class, ComponentEventResultProcessor> configuration)
{
Set<Class> handledTypes = CollectionFactory.newSet(configuration.keySet());
// A slight hack!
configuration.put(Object.class, new ObjectComponentEventResultProcessor(handledTypes));
StrategyRegistry<ComponentEventResultProcessor> registry = StrategyRegistry.newInstance(
ComponentEventResultProcessor.class, configuration);
return strategyBuilder.build(registry);
}
/**
* The default data type analyzer is the final analyzer consulted and identifies the type entirely pased on the
* property type, working against its own configuration (mapping property type class to data type).
*/
public DataTypeAnalyzer buildDefaultDataTypeAnalyzer(ServiceResources resources)
{
DefaultDataTypeAnalyzer service = resources.autobuild(DefaultDataTypeAnalyzer.class);
componentInstantiatorSource.addInvalidationListener(service);
return service;
}
public TranslatorSource buildTranslatorSource(ServiceResources resources)
{
TranslatorSourceImpl service = resources.autobuild(TranslatorSourceImpl.class);
componentInstantiatorSource.addInvalidationListener(service);
return service;
}
@Marker(Primary.class)
public ObjectRenderer buildObjectRenderer(Map<Class, ObjectRenderer> configuration)
{
StrategyRegistry<ObjectRenderer> registry = StrategyRegistry.newInstance(ObjectRenderer.class, configuration);
return strategyBuilder.build(registry);
}
/**
* Returns a {@link org.apache.tapestry5.ioc.services.ClassFactory} that can be used to create extra classes around
* component classes. This ClassFactory will be cleared whenever an underlying component class is discovered to have
* changed. Use of this class factory implies that your code will become aware of this (if necessary) to discard any
* cached object (alas, this currently involves dipping into the internals side to register for the correct
* notifications). Failure to properly clean up can result in really nasty PermGen space memory leaks.
*/
@Marker(ComponentLayer.class)
public ClassFactory buildComponentClassFactory()
{
return shadowBuilder.build(componentInstantiatorSource, "classFactory", ClassFactory.class);
}
/**
* Ordered contributions to the MasterDispatcher service allow different URL matching strategies to occur.
*/
@Marker(Primary.class)
public Dispatcher buildMasterDispatcher(List<Dispatcher> configuration)
{
return chainBuilder.build(Dispatcher.class, configuration);
}
public PropertyConduitSource buildPropertyConduitSource(@ComponentLayer ClassFactory componentClassFactory)
{
PropertyConduitSourceImpl service = new PropertyConduitSourceImpl(propertyAccess, componentClassFactory);
componentInstantiatorSource.addInvalidationListener(service);
return service;
}
/**
* Builds a shadow of the RequestGlobals.request property. Note again that the shadow can be an ordinary singleton,
* even though RequestGlobals is perthread.
*/
public Request buildRequest()
{
return shadowBuilder.build(requestGlobals, "request", Request.class);
}
/**
* Builds a shadow of the RequestGlobals.HTTPServletRequest property. Generally, you should inject the {@link
* Request} service instead, as future version of Tapestry may operate beyond just the servlet API.
*/
public HttpServletRequest buildHttpServletRequest()
{
return shadowBuilder.build(requestGlobals, "HTTPServletRequest", HttpServletRequest.class);
}
/**
* Builds a shadow of the RequestGlobals.response property. Note again that the shadow can be an ordinary singleton,
* even though RequestGlobals is perthread.
*/
public Response buildResponse()
{
return shadowBuilder.build(requestGlobals, "response", Response.class);
}
/**
* The MarkupRenderer service is used to render a full page as markup. Supports an ordered configuration of {@link
* org.apache.tapestry5.services.MarkupRendererFilter}s.
*
* @param pageRenderQueue handles the bulk of the work
* @param logger used to log errors building the pipeline
* @param configuration filters on this service
* @return the service
* @see #contributeMarkupRenderer(org.apache.tapestry5.ioc.OrderedConfiguration, org.apache.tapestry5.Asset,
* org.apache.tapestry5.Asset, ValidationMessagesSource, org.apache.tapestry5.ioc.services.SymbolSource,
* AssetSource)
*/
public MarkupRenderer buildMarkupRenderer(final PageRenderQueue pageRenderQueue, Logger logger,
List<MarkupRendererFilter> configuration)
{
MarkupRenderer terminator = new MarkupRenderer()
{
public void renderMarkup(MarkupWriter writer)
{
pageRenderQueue.render(writer);
}
};
return pipelineBuilder.build(logger, MarkupRenderer.class, MarkupRendererFilter.class, configuration,
terminator);
}
/**
* A wrapper around {@link org.apache.tapestry5.internal.services.PageRenderQueue} used for partial page renders.
* Supports an ordered configuration of {@link org.apache.tapestry5.services.PartialMarkupRendererFilter}s.
*
* @param logger used to log warnings creating the pipeline
* @param configuration filters for the service
* @param renderQueue does most of the work
* @return the service
* @see #contributePartialMarkupRenderer(org.apache.tapestry5.ioc.OrderedConfiguration, org.apache.tapestry5.Asset,
* org.apache.tapestry5.ioc.services.SymbolSource, AssetSource, ValidationMessagesSource)
*/
public PartialMarkupRenderer buildPartialMarkupRenderer(Logger logger,
List<PartialMarkupRendererFilter> configuration,
final PageRenderQueue renderQueue)
{
PartialMarkupRenderer terminator = new PartialMarkupRenderer()
{
public void renderMarkup(MarkupWriter writer, JSONObject reply)
{
renderQueue.renderPartial(writer, reply);
}
};
return pipelineBuilder.build(logger, PartialMarkupRenderer.class, PartialMarkupRendererFilter.class,
configuration, terminator);
}
public PageRenderRequestHandler buildPageRenderRequestHandler(List<PageRenderRequestFilter> configuration,
Logger logger, ServiceResources resources)
{
return pipelineBuilder.build(logger, PageRenderRequestHandler.class, PageRenderRequestFilter.class,
configuration, resources.autobuild(PageRenderRequestHandlerImpl.class));
}
/**
* Builds the component action request handler for traditional (non-Ajax) requests. These typically result in a
* redirect to a Tapestry render URL.
*
* @see org.apache.tapestry5.internal.services.ComponentEventRequestHandlerImpl
*/
@Marker(Traditional.class)
public ComponentEventRequestHandler buildComponentEventRequestHandler(
List<ComponentEventRequestFilter> configuration, Logger logger, ServiceResources resources)
{
return pipelineBuilder.build(logger, ComponentEventRequestHandler.class, ComponentEventRequestFilter.class,
configuration, resources.autobuild(ComponentEventRequestHandlerImpl.class));
}
/**
* Builds the action request handler for Ajax requests, based on {@link org.apache.tapestry5.internal.services.AjaxComponentEventRequestHandler}.
* Filters on the request handler are supported here as well.
*/
@Marker(Ajax.class)
public ComponentEventRequestHandler buildAjaxComponentEventRequestHandler(
List<ComponentEventRequestFilter> configuration, Logger logger, ServiceResources resources)
{
return pipelineBuilder.build(logger, ComponentEventRequestHandler.class, ComponentEventRequestFilter.class,
configuration, resources.autobuild(AjaxComponentEventRequestHandler.class));
}
// ========================================================================
//
// Service Contribution Methods (instance)
//
// ========================================================================
/**
* Contributes the default "session" strategy.
*/
public void contributeApplicationStatePersistenceStrategySource(
MappedConfiguration<String, ApplicationStatePersistenceStrategy> configuration,
@Local
ApplicationStatePersistenceStrategy sessionStategy)
{
configuration.add("session", sessionStategy);
}
public ApplicationStatePersistenceStrategy buildSessionApplicationStatePersistenceStrategy(ObjectLocator locator)
{
return locator.autobuild(SessionApplicationStatePersistenceStrategy.class);
}
public void contributeAssetSource(MappedConfiguration<String, AssetFactory> configuration,
@ContextProvider AssetFactory contextAssetFactory,
@ClasspathProvider AssetFactory classpathAssetFactory)
{
configuration.add("context", contextAssetFactory);
configuration.add("classpath", classpathAssetFactory);
}
/**
* Contributes handlers for the following types: <dl> <dt>Object</dt> <dd>Failure case, added to provide a more
* useful exception message</dd> <dt>{@link Link}</dt> <dd>Sends a redirect to the link (which is typically a page
* render link)</dd> <dt>String</dt> <dd>Sends a page render redirect</dd> <dt>Class</dt> <dd>Interpreted as the
* class name of a page, sends a page render render redirect (this is more refactoring safe than the page name)</dd>
* <dt>{@link Component}</dt> <dd>A page's root component (though a non-root component will work, but will generate
* a warning). A direct to the containing page is sent.</dd> <dt>{@link org.apache.tapestry5.StreamResponse}</dt>
* <dd>The stream response is sent as the actual reply.</dd> <dt>URL</dt> <dd>Sends a redirect to a (presumably)
* external URL</dd> </dl>
*/
public void contributeComponentEventResultProcessor(
@InjectService("ComponentInstanceResultProcessor")
ComponentEventResultProcessor componentInstanceProcessor,
ComponentClassResolver componentClassResolver,
final RequestPageCache requestPageCache,
MappedConfiguration<Class, ComponentEventResultProcessor> configuration)
{
configuration.add(Link.class, new ComponentEventResultProcessor<Link>()
{
public void processResultValue(Link value) throws IOException
{
response.sendRedirect(value);
}
});
configuration.add(URL.class, new ComponentEventResultProcessor<URL>()
{
public void processResultValue(URL value) throws IOException
{
response.sendRedirect(value.toExternalForm());
}
});
configuration.add(String.class, new StringResultProcessor(requestPageCache, actionRenderResponseGenerator));
configuration.add(Class.class, new ClassResultProcessor(componentClassResolver, requestPageCache,
actionRenderResponseGenerator));
configuration.add(Component.class, componentInstanceProcessor);
configuration.add(StreamResponse.class, new StreamResponseResultProcessor(response));
}
/**
* Contributes handlers for the following types: <dl> <dt>Object</dt> <dd>Failure case, added to provide more useful
* exception message</dd> <dt>{@link RenderCommand}</dt> <dd>Typically, a {@link org.apache.tapestry5.Block}</dd>
* <dt>{@link Component}</dt> <dd>Renders the component and its body</dd> <dt>{@link
* org.apache.tapestry5.json.JSONObject}</dt> <dd>The JSONObject is returned as a text/javascript response</dd>
* <dt>{@link org.apache.tapestry5.StreamResponse}</dt> <dd>The stream response is sent as the actual response</dd>
* </dl>
*/
public void contributeAjaxComponentEventResultProcessor(
MappedConfiguration<Class, ComponentEventResultProcessor> configuration, ObjectLocator locator)
{
configuration.add(RenderCommand.class, locator.autobuild(RenderCommandComponentEventResultProcessor.class));
configuration.add(Component.class, locator.autobuild(AjaxComponentInstanceEventResultProcessor.class));
configuration.add(JSONObject.class, locator.autobuild(JSONObjectEventResultProcessor.class));
configuration.add(StreamResponse.class, new StreamResponseResultProcessor(response));
}
/**
* The MasterDispatcher is a chain-of-command of individual Dispatchers, each handling (like a servlet) a particular
* kind of incoming request. <dl> <dt>RootPath</dt> <dd>Renders the start page for the "/" request</dd>
* <dt>Asset</dt> <dd>Provides access to classpath assets</dd> <dt>PageRender</dt> <dd>Identifies the {@link
* org.apache.tapestry5.services.PageRenderRequestParameters} and forwards onto {@link
* PageRenderRequestHandler}</dd> <dt>ComponentEvent</dt> <dd>Identifies the {@link ComponentEventRequestParameters}
* and forwards onto the {@link ComponentEventRequestHandler}</dd> </dl>
*/
public void contributeMasterDispatcher(OrderedConfiguration<Dispatcher> configuration,
ObjectLocator locator)
{
// Looks for the root path and renders the start page. This is maintained for compatibility
// with earlier versions of Tapestry 5, it is recommended that an Index page be used instead.
configuration.add("RootPath",
locator.autobuild(RootPathDispatcher.class),
"before:Asset");
// This goes first because an asset to be streamed may have an file extension, such as
// ".html", that will confuse the later dispatchers.
configuration.add("Asset",
locator.autobuild(AssetDispatcher.class), "before:ComponentEvent");
configuration.add("ComponentEvent", locator.autobuild(ComponentEventDispatcher.class),
"before:PageRender");
configuration.add("PageRender",
locator.autobuild(PageRenderDispatcher.class));
}
/**
* Contributes a default object renderer for type Object, plus specialized renderers for {@link
* org.apache.tapestry5.services.Request}, {@link org.apache.tapestry5.ioc.Location}, {@link
* org.apache.tapestry5.ComponentResources}, {@link org.apache.tapestry5.EventContext}, List, and Object[].
*/
public void contributeObjectRenderer(MappedConfiguration<Class, ObjectRenderer> configuration,
@InjectService("LocationRenderer")
ObjectRenderer locationRenderer,
final TypeCoercer typeCoercer,
ObjectLocator locator)
{
configuration.add(Object.class, new ObjectRenderer()
{
public void render(Object object, MarkupWriter writer)
{
writer.write(String.valueOf(object));
}
});
configuration.add(Request.class, locator.autobuild(RequestRenderer.class));
configuration.add(Location.class, locationRenderer);
ObjectRenderer preformatted = new ObjectRenderer<Object>()
{
public void render(Object object, MarkupWriter writer)
{
writer.element("pre");
writer.write(typeCoercer.coerce(object, String.class));
writer.end();
}
};
configuration.add(ClassTransformation.class, preformatted);
configuration.add(List.class, locator.autobuild(ListRenderer.class));
configuration.add(Object[].class, locator.autobuild(ObjectArrayRenderer.class));
configuration.add(ComponentResources.class, locator.autobuild(ComponentResourcesRenderer.class));
configuration.add(EventContext.class, locator.autobuild(EventContextRenderer.class));
}
/**
* Adds page render filters, each of which provides an {@link org.apache.tapestry5.annotations.Environmental}
* service. Filters often provide {@link Environmental} services needed by components as they render. <dl>
* <dt>PageRenderSupport</dt> <dd>Provides {@link org.apache.tapestry5.RenderSupport}</dd>
* <dt>ClientBehaviorSupport</dt> <dd>Provides {@link org.apache.tapestry5.internal.services.ClientBehaviorSupport}</dd>
* <dt>Heartbeat</dt> <dd>Provides {@link org.apache.tapestry5.services.Heartbeat}</dd>
* <dt>DefaultValidationDecorator</dt> <dd>Provides {@link org.apache.tapestry5.ValidationDecorator} (as an instance
* of {@link org.apache.tapestry5.internal.DefaultValidationDecorator})</dd> </dl>
*/
public void contributeMarkupRenderer(OrderedConfiguration<MarkupRendererFilter> configuration,
@Symbol(SymbolConstants.PRODUCTION_MODE)
final boolean productionMode,
@Path("${tapestry.default-stylesheet}")
final Asset stylesheetAsset,
@Path("${tapestry.field-error-marker}")
final Asset fieldErrorIcon,
final ValidationMessagesSource validationMessagesSource,
final SymbolSource symbolSource,
final AssetSource assetSource)
{
MarkupRendererFilter pageRenderSupport = new MarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, MarkupRenderer renderer)
{
DocumentLinkerImpl linker = new DocumentLinkerImpl(productionMode);
RenderSupportImpl support = new RenderSupportImpl(linker, symbolSource, assetSource,
// Core scripts added to any page that uses scripting
"${tapestry.scriptaculous}/prototype.js",
"${tapestry.scriptaculous}/scriptaculous.js",
"${tapestry.scriptaculous}/effects.js",
// Uses functions defined by the prior three
"org/apache/tapestry5/tapestry.js");
support.addStylesheetLink(stylesheetAsset, null);
environment.push(RenderSupport.class, support);
renderer.renderMarkup(writer);
support.commit();
linker.updateDocument(writer.getDocument());
environment.pop(RenderSupport.class);
}
};
MarkupRendererFilter clientBehaviorSupport = new MarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, MarkupRenderer renderer)
{
RenderSupport renderSupport = environment.peekRequired(RenderSupport.class);
ClientBehaviorSupportImpl clientBehaviorSupport = new ClientBehaviorSupportImpl(renderSupport);
environment.push(ClientBehaviorSupport.class, clientBehaviorSupport);
renderer.renderMarkup(writer);
environment.pop(ClientBehaviorSupport.class);
clientBehaviorSupport.commit();
}
};
MarkupRendererFilter heartbeat = new MarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, MarkupRenderer renderer)
{
Heartbeat heartbeat = new HeartbeatImpl();
heartbeat.begin();
environment.push(Heartbeat.class, heartbeat);
renderer.renderMarkup(writer);
environment.pop(Heartbeat.class);
heartbeat.end();
}
};
MarkupRendererFilter defaultValidationDecorator = new MarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, MarkupRenderer renderer)
{
Messages messages = validationMessagesSource.getValidationMessages(threadLocale.getLocale());
ValidationDecorator decorator = new DefaultValidationDecorator(environment, messages, fieldErrorIcon,
writer);
environment.push(ValidationDecorator.class, decorator);
renderer.renderMarkup(writer);
environment.pop(ValidationDecorator.class);
}
};
configuration.add("RenderSupport", pageRenderSupport);
configuration.add("ClientBehaviorSupport", clientBehaviorSupport, "after:RenderSupport");
configuration.add("Heartbeat", heartbeat, "after:RenderSupport");
configuration.add("DefaultValidationDecorator", defaultValidationDecorator, "after:Heartbeat");
}
/**
* Contributes {@link PartialMarkupRendererFilter}s used when rendering a partial Ajax response. This is an analog
* to {@link #contributeMarkupRenderer(org.apache.tapestry5.ioc.OrderedConfiguration, org.apache.tapestry5.Asset,
* org.apache.tapestry5.Asset, ValidationMessagesSource, org.apache.tapestry5.ioc.services.SymbolSource,
* AssetSource)} } and overlaps it to some degree. <dl> <dt> PageRenderSupport </dt> <dd>Provides {@link
* org.apache.tapestry5.RenderSupport}</dd> <dt>ClientBehaviorSupport</dt> <dd>Provides {@link
* org.apache.tapestry5.internal.services.ClientBehaviorSupport}</dd> <dt>Heartbeat</dt> <dd>Provides {@link
* org.apache.tapestry5.services.Heartbeat}</dd> <dt>DefaultValidationDecorator</dt> <dd>Provides {@link
* org.apache.tapestry5.ValidationDecorator} (as an instance of {@link org.apache.tapestry5.internal.DefaultValidationDecorator})</dd>
* </dl>
*/
public void contributePartialMarkupRenderer(OrderedConfiguration<PartialMarkupRendererFilter> configuration,
@Path("${tapestry.field-error-marker}")
final Asset fieldErrorIcon,
final SymbolSource symbolSource,
final AssetSource assetSource,
final ValidationMessagesSource validationMessagesSource)
{
PartialMarkupRendererFilter pageRenderSupport = new PartialMarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, JSONObject reply, PartialMarkupRenderer renderer)
{
String uid = Long.toHexString(System.currentTimeMillis());
String namespace = ":" + uid;
IdAllocator idAllocator = new IdAllocator(namespace);
PartialMarkupDocumentLinker linker = new PartialMarkupDocumentLinker();
RenderSupportImpl support = new RenderSupportImpl(linker, symbolSource, assetSource,
idAllocator);
environment.push(RenderSupport.class, support);
renderer.renderMarkup(writer, reply);
support.commit();
environment.pop(RenderSupport.class);
linker.commit(reply);
}
};
PartialMarkupRendererFilter clientBehaviorSupport = new PartialMarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, JSONObject reply, PartialMarkupRenderer renderer)
{
RenderSupport renderSupport = environment.peekRequired(RenderSupport.class);
ClientBehaviorSupportImpl support = new ClientBehaviorSupportImpl(renderSupport);
environment.push(ClientBehaviorSupport.class, support);
renderer.renderMarkup(writer, reply);
environment.pop(ClientBehaviorSupport.class);
support.commit();
}
};
PartialMarkupRendererFilter heartbeat = new PartialMarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, JSONObject reply, PartialMarkupRenderer renderer)
{
Heartbeat heartbeat = new HeartbeatImpl();
heartbeat.begin();
environment.push(Heartbeat.class, heartbeat);
renderer.renderMarkup(writer, reply);
environment.pop(Heartbeat.class);
heartbeat.end();
}
};
PartialMarkupRendererFilter defaultValidationDecorator = new PartialMarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, JSONObject reply, PartialMarkupRenderer renderer)
{
Messages messages = validationMessagesSource.getValidationMessages(threadLocale.getLocale());
ValidationDecorator decorator = new DefaultValidationDecorator(environment, messages, fieldErrorIcon,
writer);
environment.push(ValidationDecorator.class, decorator);
renderer.renderMarkup(writer, reply);
environment.pop(ValidationDecorator.class);
}
};
configuration.add("RenderSupport", pageRenderSupport);
configuration.add("ClientBehaviorSupport", clientBehaviorSupport, "after:RenderSupport");
configuration.add("Heartbeat", heartbeat, "after:RenderSupport");
configuration.add("DefaultValidationDecorator", defaultValidationDecorator, "after:Heartbeat");
}
/**
* Contributes several strategies: <dl> <dt>session <dd>Values are stored in the {@link Session} <dt>flash
* <dd>Values are stored in the {@link Session}, until the next request (for the page) <dt>client <dd>Values are
* encoded into URLs (or hidden form fields) </dl>
*/
public void contributePersistentFieldManager(MappedConfiguration<String, PersistentFieldStrategy> configuration,
Request request,
@InjectService("ClientPersistentFieldStrategy")
PersistentFieldStrategy clientStrategy)
{
configuration.add("session", new SessionPersistentFieldStrategy(request));
configuration.add(PersistenceConstants.FLASH, new FlashPersistentFieldStrategy(request));
configuration.add("client", clientStrategy);
}
public void contributeValidationMessagesSource(Configuration<String> configuration)
{
configuration.add("org/apache/tapestry5/internal/ValidationMessages");
}
public ValueEncoderSource buildValueEncoderSource(Map<Class, ValueEncoderFactory> configuration)
{
ValueEncoderSourceImpl service = new ValueEncoderSourceImpl(configuration);
componentInstantiatorSource.addInvalidationListener(service);
return service;
}
/**
* Contributes {@link ValueEncoderFactory}s for types: <ul> <li>Object <li>String <li>Enum </ul>
*/
@SuppressWarnings("unchecked")
public static void contributeValueEncoderSource(MappedConfiguration<Class, ValueEncoderFactory> configuration,
ObjectLocator locator)
{
configuration.add(Object.class, locator.autobuild(TypeCoercedValueEncoderFactory.class));
configuration.add(String.class, GenericValueEncoderFactory.create(new StringValueEncoder()));
configuration.add(Enum.class, new EnumValueEncoderFactory());
}
/**
* Contributes a single filter, "Secure", which checks for non-secure requests that access secure pages.
*/
public void contributePageRenderRequestHandler(OrderedConfiguration<PageRenderRequestFilter> configuration,
final RequestSecurityManager securityManager)
{
PageRenderRequestFilter secureFilter = new PageRenderRequestFilter()
{
public void handle(PageRenderRequestParameters parameters, PageRenderRequestHandler handler) throws
IOException
{
if (securityManager.checkForInsecureRequest(parameters.getLogicalPageName())) return;
handler.handle(parameters);
}
};
configuration.add("Secure", secureFilter);
}
/**
* Configures the extensions that will require a digest to be downloaded via the asset dispatcher. Most resources
* are "safe", they don't require a digest. For unsafe resources, the digest is incorporated into the URL to ensure
* that the client side isn't just "fishing".
* <p/>
* The extensions must be all lower case.
* <p/>
* This contributes "class" and "tml" (the template extension).
*
* @param configuration collection of extensions
*/
public static void contributeResourceDigestGenerator(Configuration<String> configuration)
{
// Java class files always require a digest.
configuration.add("class");
// Likewise, we don't want people fishing for templates.
configuration.add(InternalConstants.TEMPLATE_EXTENSION);
}
public static void contributeTemplateParser(MappedConfiguration<String, URL> config)
{
// Any class inside the internal module would do. Or we could move all these
// files to o.a.t.services.
Class c = UpdateListenerHub.class;
config.add("-//W3C//DTD XHTML 1.0 Strict//EN", c.getResource("xhtml1-strict.dtd"));
config.add("-//W3C//DTD XHTML 1.0 Transitional//EN", c
.getResource("xhtml1-transitional.dtd"));
config.add("-//W3C//DTD XHTML 1.0 Frameset//EN", c.getResource("xhtml1-frameset.dtd"));
config.add("-//W3C//DTD HTML 4.01//EN", c.getResource("xhtml1-strict.dtd"));
config.add("-//W3C//DTD HTML 4.01 Transitional//EN", c
.getResource("xhtml1-transitional.dtd"));
config.add("-//W3C//DTD HTML 4.01 Frameset//EN", c.getResource("xhtml1-frameset.dtd"));
config.add("-//W3C//ENTITIES Latin 1 for XHTML//EN", c.getResource("xhtml-lat1.ent"));
config.add("-//W3C//ENTITIES Symbols for XHTML//EN", c.getResource("xhtml-symbol.ent"));
config.add("-//W3C//ENTITIES Special for XHTML//EN", c.getResource("xhtml-special.ent"));
}
/**
* Contributes factory defaults that map be overridden.
*
* @see TapestryModule#contributeClasspathAssetAliasManager(org.apache.tapestry5.ioc.MappedConfiguration, String,
* String, String)
*/
public static void contributeFactoryDefaults(MappedConfiguration<String, String> configuration)
{
// Remember this is request-to-request time, presumably it'll take the developer more than
// one second to make a change, save it, and switch back to the browser.
configuration.add(SymbolConstants.FILE_CHECK_INTERVAL, "1 s");
configuration.add(SymbolConstants.FILE_CHECK_UPDATE_TIMEOUT, "50 ms");
// This should be overridden for particular applications.
configuration.add(SymbolConstants.SUPPORTED_LOCALES, "en,it,zh_CN,pt_PT,de_DE,ru");
configuration.add(SymbolConstants.TAPESTRY_VERSION,
VersionUtils.readVersionNumber(
"META-INF/maven/org.apache.tapestry/tapestry-core/pom.properties"));
configuration.add("tapestry.default-cookie-max-age", "7 d");
configuration.add("tapestry.start-page-name", "start");
configuration.add("tapestry.default-stylesheet", "org/apache/tapestry5/default.css");
configuration.add("tapestry.field-error-marker", "org/apache/tapestry5/field-error-marker.gif");
configuration.add("tapestry.page-pool.soft-limit", "5");
configuration.add("tapestry.page-pool.soft-wait", "10 ms");
configuration.add("tapestry.page-pool.hard-limit", "20");
configuration.add("tapestry.page-pool.active-window", "10 m");
configuration.add(SymbolConstants.SUPPRESS_REDIRECT_FROM_ACTION_REQUESTS, "false");
configuration.add(SymbolConstants.FORCE_ABSOLUTE_URIS, "false");
configuration.add(SymbolConstants.PRODUCTION_MODE, "true");
configuration.add(SymbolConstants.COMPRESS_WHITESPACE, "true");
configuration.add(MetaDataConstants.SECURE_PAGE, "false");
// This is designed to make it easy to keep synchronized with script.aculo.ous. As we
// support a new version, we create a new folder, and update the path entry. We can then
// delete the old version folder (or keep it around). This should be more manageable than
// overwriting the local copy with updates (it's too easy for files deleted between scriptaculous
// releases to be accidentally left lying around). There's also a ClasspathAliasManager
// contribution based on the path.
configuration.add("tapestry.scriptaculous", "classpath:${tapestry.scriptaculous.path}");
configuration.add("tapestry.scriptaculous.path", "org/apache/tapestry5/scriptaculous_1_8_1");
// Likewise for WebFX DatePicker, currently version 1.0.6
configuration.add("tapestry.datepicker.path", "org/apache/tapestry5/datepicker_106");
configuration.add("tapestry.datepicker", "classpath:${tapestry.datepicker.path}");
configuration.add(PersistentFieldManagerImpl.META_KEY, PersistentFieldManagerImpl.DEFAULT_STRATEGY);
configuration.add(MetaDataConstants.RESPONSE_CONTENT_TYPE, "text/html");
configuration.add(SymbolConstants.CHARSET, "UTF-8");
configuration.add(SymbolConstants.APPLICATION_CATALOG, "WEB-INF/${tapestry.app-name}.properties");
configuration.add(SymbolConstants.EXCEPTION_REPORT_PAGE, "ExceptionReport");
}
/**
* Adds content types for "css" and "js" file extensions. <dl> <dt>css</dt> <dd>test/css</dd> <dt>js</dt>
* <dd>text/javascript</dd> </dl>
*/
@SuppressWarnings({"JavaDoc"})
public void contributeResourceStreamer(MappedConfiguration<String, String> configuration)
{
configuration.add("css", "text/css");
configuration.add("js", "text/javascript");
}
/**
* Adds a listener to the {@link org.apache.tapestry5.internal.services.ComponentInstantiatorSource} that clears the
* {@link PropertyAccess} and {@link TypeCoercer} caches on a class loader invalidation. In addition, forces the
* realization of {@link ComponentClassResolver} at startup.
*/
public void contributeApplicationInitializer(OrderedConfiguration<ApplicationInitializerFilter> configuration,
final TypeCoercer typeCoercer,
final ComponentClassResolver componentClassResolver)
{
final InvalidationListener listener = new InvalidationListener()
{
public void objectWasInvalidated()
{
propertyAccess.clearCache();
typeCoercer.clearCache();
}
};
ApplicationInitializerFilter clearCaches = new ApplicationInitializerFilter()
{
public void initializeApplication(Context context, ApplicationInitializer initializer)
{
// Snuck in here is the logic to clear the PropertyAccess service's cache whenever
// the component class loader is invalidated.
componentInstantiatorSource.addInvalidationListener(listener);
initializer.initializeApplication(context);
// We don't care about the result, but this forces a load of the service
// at application startup, rather than on first request.
componentClassResolver.isPageName("ForceLoadAtStartup");
}
};
configuration.add("ClearCachesOnInvalidation", clearCaches);
}
public void contributePropBindingFactory(OrderedConfiguration<BindingFactory> configuration)
{
BindingFactory keywordFactory = new BindingFactory()
{
private final Map<String, Object> keywords = CollectionFactory.newCaseInsensitiveMap();
{
keywords.put("true", Boolean.TRUE);
keywords.put("false", Boolean.FALSE);
keywords.put("null", null);
}
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
String key = expression.trim();
if (keywords.containsKey(key)) return new LiteralBinding(description, keywords.get(key), location);
return null;
}
};
BindingFactory thisFactory = new BindingFactory()
{
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
if ("this".equalsIgnoreCase(expression.trim()))
return new LiteralBinding(description, container.getComponent(), location);
return null;
}
};
BindingFactory longFactory = new BindingFactory()
{
private final Pattern pattern = Pattern.compile("^\\s*(-?\\d+)\\s*$");
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
Matcher matcher = pattern.matcher(expression);
if (matcher.matches())
{
String value = matcher.group(1);
return new LiteralBinding(description, new Long(value), location);
}
return null;
}
};
BindingFactory intRangeFactory = new BindingFactory()
{
private final Pattern pattern = Pattern
.compile("^\\s*(-?\\d+)\\s*\\.\\.\\s*(-?\\d+)\\s*$");
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
Matcher matcher = pattern.matcher(expression);
if (matcher.matches())
{
int start = Integer.parseInt(matcher.group(1));
int finish = Integer.parseInt(matcher.group(2));
IntegerRange range = new IntegerRange(start, finish);
return new LiteralBinding(description, range, location);
}
return null;
}
};
BindingFactory doubleFactory = new BindingFactory()
{
// So, either 1234. or 1234.56 or .78
private final Pattern pattern = Pattern
.compile("^\\s*(\\-?((\\d+\\.)|(\\d*\\.\\d+)))\\s*$");
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
Matcher matcher = pattern.matcher(expression);
if (matcher.matches())
{
String value = matcher.group(1);
return new LiteralBinding(description, new Double(value), location);
}
return null;
}
};
BindingFactory stringFactory = new BindingFactory()
{
// This will match embedded single quotes as-is, no escaping necessary.
private final Pattern pattern = Pattern.compile("^\\s*'(.*)'\\s*$");
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
Matcher matcher = pattern.matcher(expression);
if (matcher.matches())
{
String value = matcher.group(1);
return new LiteralBinding(description, value, location);
}
return null;
}
};
// To be honest, order probably doesn't matter.
configuration.add("Keyword", keywordFactory);
configuration.add("This", thisFactory);
configuration.add("Long", longFactory);
configuration.add("IntRange", intRangeFactory);
configuration.add("Double", doubleFactory);
configuration.add("StringLiteral", stringFactory);
}
/**
* Contributes filters: <dl> <dt>Ajax</dt> <dd>Determines if the request is Ajax oriented, and redirects to an
* alternative handler if so</dd> <dt>ImmediateRender</dt> <dd>When {@linkplain
* org.apache.tapestry5.SymbolConstants#SUPPRESS_REDIRECT_FROM_ACTION_REQUESTS immediate action response rendering}
* is enabled, generates the markup response (instead of a page redirect response, which is the normal behavior)
* </dd> <dt>Secure</dt> <dd>Sends a redirect if an non-secure request accesses a secure page</dd></dl>
*/
public void contributeComponentEventRequestHandler(OrderedConfiguration<ComponentEventRequestFilter> configuration,
final RequestSecurityManager requestSecurityManager,
@Ajax ComponentEventRequestHandler ajaxHandler,
ObjectLocator locator)
{
ComponentEventRequestFilter secureFilter = new ComponentEventRequestFilter()
{
public void handle(ComponentEventRequestParameters parameters, ComponentEventRequestHandler handler)
throws IOException
{
if (requestSecurityManager.checkForInsecureRequest(parameters.getActivePageName())) return;
handler.handle(parameters);
}
};
configuration.add("Ajax", new AjaxFilter(request, ajaxHandler));
configuration.add("ImmediateRender", locator.autobuild(ImmediateActionRenderResponseFilter.class));
configuration.add("Secure", secureFilter, "before:Ajax");
}
/**
* Contributes strategies accessible via the {@link NullFieldStrategySource} service.
* <p/>
* <dl> <dt>default</dt> <dd>Does nothing, nulls stay null.</dd> <dt>zero</dt> <dd>Null values are converted to
* zero.</dd> </dl>
*/
public static void contributeNullFieldStrategySource(MappedConfiguration<String, NullFieldStrategy> configuration)
{
configuration.add("default", new DefaultNullFieldStrategy());
configuration.add("zero", new ZeroNullFieldStrategy());
}
/**
* Determines positioning of hidden fields relative to other elements (this is needed by {@link
* org.apache.tapestry5.corelib.components.FormFragment} and others.
* <p/>
* For elements input, select, textarea and label the hidden field is positioned after.
* <p/>
* For elements p, div, li and td, the hidden field is positioned inside.
*/
public static void contributeHiddenFieldLocationRules(
MappedConfiguration<String, RelativeElementPosition> configuration)
{
configuration.add("input", RelativeElementPosition.AFTER);
configuration.add("select", RelativeElementPosition.AFTER);
configuration.add("textarea", RelativeElementPosition.AFTER);
configuration.add("label", RelativeElementPosition.AFTER);
configuration.add("p", RelativeElementPosition.INSIDE);
configuration.add("div", RelativeElementPosition.INSIDE);
configuration.add("td", RelativeElementPosition.INSIDE);
configuration.add("li", RelativeElementPosition.INSIDE);
}
}
The table below shows all metrics for TapestryModule.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 130.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 407.00 | Comment lines | |
| COMMENT_DENSITY | 0.44 | Comment density | |
| COMPARISONS | 8.00 | Number of comparison operators | |
| CYCLOMATIC | 131.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 71.00 | Comments in declarations | |
| DOC_COMMENT | 310.00 | Number of javadoc comment lines | |
| ELOC | 916.00 | Effective lines of code | |
| EXEC_COMMENTS | 33.00 | Comments in executable code | |
| EXITS | 232.00 | Procedure exits | |
| FUNCTIONS | 123.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 43.31 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 417.00 | Interface complexity | |
| JAVA0001 | 1.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 4.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 7.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 107.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 18.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 25.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 3.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 5.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 2.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 2068.00 | Number of lines in the source file | |
| LINE_COMMENT | 97.00 | Number of line comments | |
| LOC | 1219.00 | Lines of code | |
| LOGICAL_LINES | 550.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 3305.00 | Number of operands | |
| OPERATORS | 5259.00 | Number of operators | |
| PARAMS | 274.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 8564.00 | Halstead program length | |
| PROGRAM_VOCAB | 1488.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 143.00 | Number of return points from functions | |
| SIZE | 94942.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 1450.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 38.00 | Number of unique operators | |
| WHITESPACE | 442.00 | Number of whitespace lines | |