AjaxFormLoop.java
| Index Score | ||
|---|---|---|
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org.apache.tapestry5.corelib.components |
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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 | |
|---|---|---|
| JAVA0095 | JAVA0095 Uninitialized private field |  |
| JAVA0030 | JAVA0030 Private field not used | |
| JAVA0077 | JAVA0077 Private field not used in declaring class | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| FUNCTIONS | Number of function declarations | |
| LINE_COMMENT | Number of line comments | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| COMPARISONS | Number of comparison operators | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| LOOPS | Number of loops | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| COMMENTS | Comment lines | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
// Copyright 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.corelib.components;
import org.apache.tapestry5.*;
import org.apache.tapestry5.annotations.*;
import org.apache.tapestry5.corelib.internal.AjaxFormLoopContext;
import org.apache.tapestry5.internal.services.ComponentClassCache;
import org.apache.tapestry5.internal.services.PageRenderQueue;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.ioc.internal.util.Defense;
import org.apache.tapestry5.ioc.services.TypeCoercer;
import org.apache.tapestry5.json.JSONArray;
import org.apache.tapestry5.json.JSONObject;
import org.apache.tapestry5.services.*;
import java.io.Serializable;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
/**
* A special form of the {@link org.apache.tapestry5.corelib.components.Loop} component that adds a lot of Ajax support
* to handle adding new rows and removing existing rows dynamically. Expects that the values being iterated over are
* entities that can be identified via a {@link org.apache.tapestry5.PrimaryKeyEncoder}.
*/
public class AjaxFormLoop
{
/**
* The element to render for each iteration of the loop. The default comes from the template, or "div" if the
* template did not specify an element.
*/
@Parameter(defaultPrefix = BindingConstants.LITERAL)
@Property(write = false)
private String element;
/**
* The objects to iterate over (passed to the internal Loop component).
*/
@Parameter(required = true, autoconnect = true)
private Iterable source;
/**
* The current value from the source.
*/
@Parameter(required = true)
private Object value;
/**
* The context for the form loop (optional parameter). This list of values will be converted into strings and
* included in the URI. The strings will be coerced back to whatever their values are and made available to event
* handler methods.
*/
@Parameter
private List<?> context;
/**
* A block to render after the loop as the body of the {@link org.apache.tapestry5.corelib.components.FormInjector}.
* This typically contains a {@link org.apache.tapestry5.corelib.components.AddRowLink}.
*/
@Parameter("block:defaultAddRow")
@Property(write = false)
private Block addRow;
/**
* The block that contains the form injector (it is rendered last, as the "tail" of the AjaxFormLoop). This, in
* turn, references the addRow block (from a parameter, or a default).
*/
@Inject
private Block tail;
/**
* Required parameter used to convert server-side objects (provided from the source) into client-side ids and back.
*/
@Parameter(required = true, allowNull = false)
private PrimaryKeyEncoder encoder;
@InjectComponent
private ClientElement rowInjector;
@InjectComponent
private FormFragment fragment;
@Inject
private Block ajaxResponse;
@Inject
private ComponentResources resources;
@Environmental
private FormSupport formSupport;
@Environmental
private Heartbeat heartbeat;
@Inject
private Environment environment;
@Inject
private RenderSupport renderSupport;
private JSONArray addRowTriggers;
private Iterator iterator;
@Inject
private TypeCoercer typeCoercer;
@Inject
private ComponentClassCache componentClassCache;
@Inject
private PageRenderQueue pageRenderQueue;
private boolean renderingInjector;
private final AjaxFormLoopContext formLoopContext = new AjaxFormLoopContext()
{
public void addAddRowTrigger(String clientId)
{
Defense.notBlank(clientId, "clientId");
addRowTriggers.put(clientId);
}
private String currentFragmentId()
{
ClientElement element = renderingInjector ? rowInjector : fragment;
return element.getClientId();
}
public void addRemoveRowTrigger(String clientId)
{
Serializable id = idForCurrentValue();
String idType = id.getClass().getName();
Link link = resources.createEventLink("triggerRemoveRow", id, idType);
String asURI = link.toAbsoluteURI();
JSONObject spec = new JSONObject();
spec.put("link", clientId);
spec.put("fragment", currentFragmentId());
spec.put("url", asURI);
renderSupport.addInit("formLoopRemoveLink", spec);
}
};
String defaultElement()
{
return resources.getElementName("div");
}
/**
* Action for synchronizing the current element of the loop by recording its client value / primary key.
*/
static class SyncValue implements ComponentAction<AjaxFormLoop>
{
private final Serializable id;
public SyncValue(Serializable id)
{
this.id = id;
}
public void execute(AjaxFormLoop component)
{
component.syncValue(id);
}
@Override
public String toString()
{
return String.format("AjaxFormLoop.SyncValue[%s]", id);
}
}
private static final ComponentAction<AjaxFormLoop> BEGIN_HEARTBEAT = new ComponentAction<AjaxFormLoop>()
{
public void execute(AjaxFormLoop component)
{
component.beginHeartbeat();
}
@Override
public String toString()
{
return "AjaxFormLoop.BeginHeartbeat";
}
};
@Property(write = false)
private final Renderable beginHeartbeat = new Renderable()
{
public void render(MarkupWriter writer)
{
formSupport.storeAndExecute(AjaxFormLoop.this, BEGIN_HEARTBEAT);
}
};
private static final ComponentAction<AjaxFormLoop> END_HEARTBEAT = new ComponentAction<AjaxFormLoop>()
{
public void execute(AjaxFormLoop component)
{
component.endHeartbeat();
}
@Override
public String toString()
{
return "AjaxFormLoop.EndHeartbeat";
}
};
@Property(write = false)
private final Renderable endHeartbeat = new Renderable()
{
public void render(MarkupWriter writer)
{
formSupport.storeAndExecute(AjaxFormLoop.this, END_HEARTBEAT);
}
};
@Property(write = false)
private final Renderable beforeBody = new Renderable()
{
public void render(MarkupWriter writer)
{
beginHeartbeat();
syncCurrentValue();
}
};
@Property(write = false)
private final Renderable afterBody = new Renderable()
{
public void render(MarkupWriter writer)
{
endHeartbeat();
}
};
@SuppressWarnings({"unchecked"})
@Log
private void syncValue(Serializable id)
{
Object value = encoder.toValue(id);
if (value == null)
throw new RuntimeException(
String.format("Unable to convert serialized id '%s' back into an object.", id));
this.value = value;
}
@Property(write = false)
private final Renderable syncValue = new Renderable()
{
public void render(MarkupWriter writer)
{
syncCurrentValue();
}
};
private void syncCurrentValue()
{
Serializable id = idForCurrentValue();
// Add the command that restores value from the value id,
// when the form is submitted.
formSupport.store(this, new SyncValue(id));
}
/**
* Uses the {@link org.apache.tapestry5.PrimaryKeyEncoder} to convert the current row value to an id.
*/
@SuppressWarnings({"unchecked"})
private Serializable idForCurrentValue()
{
return encoder.toKey(value);
}
void setupRender()
{
addRowTriggers = new JSONArray();
pushContext();
iterator = source == null
? Collections.EMPTY_LIST.iterator()
: source.iterator();
renderingInjector = false;
}
private void pushContext()
{
environment.push(AjaxFormLoopContext.class, formLoopContext);
}
boolean beginRender(MarkupWriter writer)
{
if (!iterator.hasNext()) return false;
value = iterator.next();
return true; // Render body, etc.
}
Object afterRender(MarkupWriter writer)
{
// When out of source items to render, switch over to the addRow block (either the default,
// or from the addRow parameter) before proceeding to cleanup render.
if (!iterator.hasNext())
{
renderingInjector = true;
return tail;
}
// There's more to come, loop back to begin render.
return false;
}
void cleanupRender()
{
popContext();
JSONObject spec = new JSONObject();
spec.put("rowInjector", rowInjector.getClientId());
spec.put("addRowTriggers", addRowTriggers);
renderSupport.addInit("ajaxFormLoop", spec);
}
private void popContext()
{
environment.pop(AjaxFormLoopContext.class);
}
/**
* When the action event arrives from the FormInjector, we fire our own event, "addRow" to tell the container to add
* a new row, and to return that new entity for rendering.
*/
@Log
Object onActionFromRowInjector(EventContext context)
{
ComponentEventCallback callback = new ComponentEventCallback()
{
public boolean handleResult(Object result)
{
value = result;
return true;
}
};
resources.triggerContextEvent("addRow", context, callback);
if (value == null)
throw new IllegalArgumentException(
String.format("Event handler for event 'addRow' from %s should have returned a non-null value.",
resources.getCompleteId())
);
renderingInjector = true;
pageRenderQueue.addPartialMarkupRendererFilter(new PartialMarkupRendererFilter()
{
public void renderMarkup(MarkupWriter writer, JSONObject reply, PartialMarkupRenderer renderer)
{
pushContext();
renderer.renderMarkup(writer, reply);
popContext();
}
});
return ajaxResponse;
}
@Log
Object onTriggerRemoveRow(String rowId, String idTypeName)
{
Class idType = componentClassCache.forName(idTypeName);
Serializable coerced = (Serializable) typeCoercer.coerce(rowId, idType);
Object value = encoder.toValue(coerced);
resources.triggerEvent("removeRow", new Object[] {value}, null);
return new JSONObject();
}
private void beginHeartbeat()
{
heartbeat.begin();
}
private void endHeartbeat()
{
heartbeat.end();
}
}
The table below shows all metrics for AjaxFormLoop.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 32.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 59.00 | Comment lines | |
| COMMENT_DENSITY | 0.30 | Comment density | |
| COMPARISONS | 7.00 | Number of comparison operators | |
| CYCLOMATIC | 37.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 24.00 | Comments in declarations | |
| DOC_COMMENT | 41.00 | Number of javadoc comment lines | |
| ELOC | 199.00 | Effective lines of code | |
| EXEC_COMMENTS | 3.00 | Comments in executable code | |
| EXITS | 38.00 | Procedure exits | |
| FUNCTIONS | 31.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 40.40 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 56.00 | 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 | 8.00 | 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 | 3.00 | 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 | 1.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 3.00 | 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 | 14.00 | 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 | 1.00 | 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 | 1.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 2.00 | 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 | 1.00 | 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 | 1.00 | 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 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 1.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | 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 | 0.00 | 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 | 2.00 | 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 | 3.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 1.00 | 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 | 432.00 | Number of lines in the source file | |
| LINE_COMMENT | 18.00 | Number of line comments | |
| LOC | 277.00 | Lines of code | |
| LOGICAL_LINES | 114.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 2.00 | Maximum nesting depth | |
| OPERANDS | 487.00 | Number of operands | |
| OPERATORS | 872.00 | Number of operators | |
| PARAMS | 21.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1359.00 | Halstead program length | |
| PROGRAM_VOCAB | 253.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 35.00 | Number of return points from functions | |
| SIZE | 11671.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 217.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 36.00 | Number of unique operators | |
| WHITESPACE | 96.00 | Number of whitespace lines | |