IComponent.java

Index Score
org.apache.tapestry
Apache Tapestry 4

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.

MetricDescription
DECL_COMMENTSComments in declarations
JAVA0110JAVA0110 Incorrect javadoc: no @return tag
DOC_COMMENTNumber of javadoc comment lines
JAVA0108JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
COMMENTSComment lines
JAVA0034JAVA0034 Missing braces in if statement
FUNCTIONSNumber of function declarations
JAVA0117JAVA0117 Missing javadoc: method 'method'
PROGRAM_VOLUMEHalstead program volume
JAVA0136JAVA0136 N methods defined in class (maximum: M)
EXEC_COMMENTSComments in executable code
JAVA0126JAVA0126 Method declares unchecked exception in throws
COMPARISONSNumber of comparison operators
ELOCEffective lines of code
LOCLines of code
UNIQUE_OPERATORSNumber of unique operators
OPERATORSNumber of operators
PROGRAM_LENGTHHalstead program length
BLOCKSNumber of blocks
RETURNSNumber of return points from functions
OPERANDSNumber of operands
LOGICAL_LINESNumber of statements
LOOPSNumber of loops
INTERFACE_COMPLEXITYInterface complexity
EXITSProcedure exits
JAVA0145JAVA0145 Tab character used in source file
// Copyright 2004, 2005 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.tapestry; import org.apache.hivemind.ApplicationRuntimeException; import org.apache.hivemind.LocationHolder; import org.apache.hivemind.Messages; import org.apache.tapestry.engine.IPageLoader; import org.apache.tapestry.form.IFormComponent; import org.apache.tapestry.internal.event.IComponentEventInvoker; import org.apache.tapestry.listener.ListenerMap; import org.apache.tapestry.spec.IComponentSpecification; import org.apache.tapestry.spec.IContainedComponent; import java.util.Collection; import java.util.Map; /** * Defines an object which may be used to provide dynamic content on a Tapestry web page. * <p> * Components are created dynamically from thier class names (part of the * {@link IComponentSpecification}). * * @author Howard Lewis Ship */ public interface IComponent extends IRender, LocationHolder { /** * Adds an asset to the component. This is invoked from the page loader. * * @param name * The lookup name the asset will be bound to and referenacable as. * @param asset * The asset to add. */ void addAsset(String name, IAsset asset); /** * Adds a component to a container. Should only be called during the page loading process, which * is responsible for doing all the necessary work of managing component state. * * @param component * The component to add. * @see IPageLoader */ void addComponent(IComponent component); /** * Adds a new renderable element to the receiver's body. The element may be either another * component, or static HTML. Such elements come from inside the receiver's tag within its * container's template, and represent static text and other components. * <p> * The method {@link #renderBody(IMarkupWriter, IRequestCycle)}is used to render these * elements. * * @since 2.2 */ void addBody(IRender element); /** * Returns the asset map for the component, which may be empty but will not be null. * <p> * The return value is unmodifiable. */ Map getAssets(); /** * Returns the named asset, or null if not found. */ IAsset getAsset(String name); /** * Returns the binding with the given name or null if not found. * <p> * Bindings are added to a component using {@link #setBinding(String,IBinding)}. */ IBinding getBinding(String name); /** * Returns a {@link Collection}of the names of all bindings (which includes bindings for both * formal and informal parameters). * <p> * The return value is unmodifiable. It will be null for a {@link IPage page}, or may simply be * empty for a component with no bindings. */ Collection getBindingNames(); /** * Returns a {@link Map}of the {@link IBinding bindings}for this component; this includes * informal parameters as well as formal bindings. * * @since 1.0.5 */ Map getBindings(); /** * Retrieves an contained component by its id. Contained components have unique ids within their * container. * * @exception ApplicationRuntimeException * runtime exception thrown if the named component does not exist. */ IComponent getComponent(String id); /** * Returns the component which embeds the receiver. All components are contained within other * components, with the exception of the root page component. * <p> * A page returns null. */ IComponent getContainer(); /** * Sets the container of the component. This is write-once, an attempt to change it later will * throw an {@link ApplicationRuntimeException}. */ void setContainer(IComponent value); /** * Returns a string identifying the name of the page and the id path of the reciever within the * page (seperated by a slash). Note that this extended id is indetned primarily for identifying * the component to the user (since slashes are legal characters within page names). Pages * simply return their name. * * @see #getIdPath() */ String getExtendedId(); /** * Returns the simple id of the component, as defined in its specification. * <p> * An id will be unique within the component which contains this component. * <p> * A {@link IPage page}will always return null. */ String getId(); /** * Sets the id of the component. This is write-once, an attempt to change it later will throw an * {@link ApplicationRuntimeException}. */ void setId(String value); /** * Returns either the normal {@link #getId()} value OR the value of any binding * named <code>id</code> - if one exists. Higher precedence is given to bound id values. * * @return The bound or normal component id, or null if neither exists. */ String getSpecifiedId(); /** * Returns the qualified id of the component. This represents a path from the {@link IPage page} * to this component, showing how components contain each other. * <p> * A {@link IPage page}will always return null. A component contained on a page returns its * simple id. Other components return their container's id path followed by a period and their * own name. * * @see #getId() */ String getIdPath(); /** * Returns the component's client-side element id. This has traditionally been an * {@link IFormComponent} only binding but now applies to all components. The method * should check to see if any id parameter/property has been set already and use that * above all others, falling back to {@link #getId()} if nothing else is found. * * @return the id, or null if the component doesn't support a client id. * @since 4.1 */ String getClientId(); /** * Sets the client ID. It is <strong>strongly</strong> discouraged for you to try * setting this unless you understand the ramifications of how the rest of the system * relies on this functioning. * * @param id The client id to set. */ void setClientId(String id); /** * Used internally to "peek" at what the next generated client id will be for this * component when it renders. Similar to the logic found in {@link IRequestCycle#peekUniqueId(String)}. * * @return The next possible client ID for this component. */ String peekClientId(); /** * Though most component implementations ignore the specific html tag used * to reference a component, this value may be used for those components that * do wish to use the same tag that was provided when rendering a component. * * <p>Example:<br/> * <pre> * &lt;fieldset jwcid=&quot;@If&quot; condition=&quot;true&quot; &gt; * &lt;input type=&quot;text&quot; /&gt; * &lt;/fieldset&gt; * </pre> * </p> * * <p> * In the example above, the value of the template tag would be "fieldset" for * the If component. * </p> * * @return The html element tag name originally specified when referencing * the component. * @since 4.1 */ String getTemplateTagName(); /** * Sets the template tag name used to reference this component. * * <p> * Set by the component template loader automatically, people shouldn't * normally have any reason to try setting this. * </p> * * @param tag The tag name to set. */ void setTemplateTagName(String tag); /** * Returns the page which ultimately contains the receiver. A page will return itself. */ IPage getPage(); /** * Sets the page which ultimiately contains the component. This is write-once, an attempt to * change it later will throw an {@link ApplicationRuntimeException}. */ void setPage(IPage value); /** * Returns the specification which defines the component. */ IComponentSpecification getSpecification(); /** * Invoked to make the receiver render its body (the elements and components its tag wraps * around, on its container's template). This method is public so that the * {@link org.apache.tapestry.components.RenderBody}component may operate. * * @since 2.2 */ void renderBody(IMarkupWriter writer, IRequestCycle cycle); /** * Adds a binding to a container. Should only be called during the page loading process (which * is responsible for eror checking). * * @see IPageLoader */ void setBinding(String name, IBinding binding); /** * Returns the contained components as an unmodifiable {@link Map}. This allows peer components * to work together without directly involving their container ... the classic example is to * have an {@link org.apache.tapestry.components.Insert}work with an enclosing * {@link org.apache.tapestry.components.ForBean}. * <p> * This is late addition to Tapestry, because it also opens the door to abuse, since it is quite * possible to break the "black box" aspect of a component by interacting directly with * components it embeds. This creates ugly interelationships between components that should be * seperated. * * @return A Map of components keyed on component id. May return an empty map, but won't return * null. */ Map getComponents(); /** * Allows a component to finish any setup after it has been constructed. * <p> * The exact timing is not specified, but any components contained by the receiving component * will also have been constructed before this method is invoked. * * @since 0.2.12 */ void finishLoad(IRequestCycle cycle, IPageLoader loader, IComponentSpecification specification); /** * Returns component strings for the component. Starting in release 4.0, this method is * unimplemented (and is automatically injected into each component implementation). * * @since 3.0 */ Messages getMessages(); /** * Returns the {@link INamespace}in which the component was defined (as an alias). * * @since 2.2 */ INamespace getNamespace(); /** * Sets the {@link INamespace}for the component. The namespace should only be set once. * * @since 2.2 */ void setNamespace(INamespace namespace); /** * Returns true if the component is currently rendering. * * @since 4.0 */ boolean isRendering(); /** * Invoked after {@link #finishLoad(IRequestCycle, IPageLoader, IComponentSpecification)}to * switch the component from its initial construction state into its active state. The * difference concerns parameters, whose defaults values may be set from inside * {@link #finishLoad(IRequestCycle, IPageLoader, IComponentSpecification)}. * * @since 4.0 */ void enterActiveState(); /** * Returns a {@link IBeanProvider} from which managed beans can be obtained. * * @since 4.0 */ IBeanProvider getBeans(); /** * Returns a {@link ListenerMap} for the component. The map contains a number of synthetic * read-only properties that implement the {@link IActionListener} interface, but in fact, cause * public instance methods to be invoked (via reflection). * * @since 4.0 */ ListenerMap getListeners(); /** * Returns the {@link org.apache.tapestry.spec.IContainedComponent}. This will be null for * pages. This property is set when a component is constructed, and links the component instance * to the reference in the containing page or component's template or specification. This is * useful to allow a component to know its type or the meta-data associated with the component. * * @return the contained component, or null for a page. * @since 4.0 */ IContainedComponent getContainedComponent(); /** * Sets the {@link #getContainedComponent()} property; this may only be done once. * * @param containedComponent * may not be null * @since 4.0 */ void setContainedComponent(IContainedComponent containedComponent); /** * Returns the event connection manager services that handles creating/accepting * browser events associated with various properties of components. * * @return eventInvoker, may not be null * @since 4.1 */ IComponentEventInvoker getEventInvoker(); }

The table below shows all metrics for IComponent.java.

MetricValueDescription
BLOCKS 0.00Number of blocks
BLOCK_COMMENT 0.00Number of block comment lines
COMMENTS288.00Comment lines
COMMENT_DENSITY 5.65Comment density
COMPARISONS 0.00Number of comparison operators
CYCLOMATIC38.00Cyclomatic complexity
DECL_COMMENTS52.00Comments in declarations
DOC_COMMENT275.00Number of javadoc comment lines
ELOC51.00Effective lines of code
EXEC_COMMENTS 0.00Comments in executable code
EXITS 0.00Procedure exits
FUNCTIONS38.00Number of function declarations
HALSTEAD_DIFFICULTY11.77Halstead difficulty
HALSTEAD_EFFORT 0.00Halstead effort
INTERFACE_COMPLEXITY21.00Interface complexity
JAVA0001 0.00JAVA0001 Package name does not contain only lower case letters
JAVA0002 0.00JAVA0002 Package name does not begin with a top level domain name or country code
JAVA0003 0.00JAVA0003 Minimize use of on-demand (.*) imports
JAVA0004 0.00JAVA0004 Unnecessary import from java.lang
JAVA0005 1.00JAVA0005 Imports not in specified order
JAVA0006 0.00JAVA0006 Empty finally block
JAVA0007 0.00JAVA0007 Should not declare public field
JAVA0008 0.00JAVA0008 Empty catch block
JAVA0009 0.00JAVA0009 Protected member in final class
JAVA0010 0.00JAVA0010 Non-instantiable class does not contain a non-private static member
JAVA0011 0.00JAVA0011 Abstract class does not contain an abstract method
JAVA0012 0.00JAVA0012 Non-constructor method with same name as declaring class
JAVA0013 0.00JAVA0013 Non-blank final field is not static
JAVA0014 0.00JAVA0014 Class with only static members has non-private constructor
JAVA0015 0.00JAVA0015 Package class contains public nested type
JAVA0016 0.00JAVA0016 Abstract class contains public constructor
JAVA0017 0.00JAVA0017 Class name does not have required form
JAVA0018 0.00JAVA0018 Method name does not have required form
JAVA0019 0.00JAVA0019 Interface name does not have required form
JAVA0020 0.00JAVA0020 Field name does not have required form
JAVA0021 0.00JAVA0021 Interface method name does not have required form
JAVA0022 0.00JAVA0022 Static final field name does not have required form
JAVA0023 0.00JAVA0023 Empty finalize method
JAVA0024 0.00JAVA0024 Empty class
JAVA0025 0.00JAVA0025 Method override is empty
JAVA0026 0.00JAVA0026 Finalize method with parameters
JAVA0029 0.00JAVA0029 Private method not used
JAVA0030 0.00JAVA0030 Private field not used
JAVA0031 0.00JAVA0031 Case statement not properly closed
JAVA0032 0.00JAVA0032 Switch statement missing default
JAVA0033 0.00JAVA0033 default: not last case in switch statement
JAVA0034 0.00JAVA0034 Missing braces in if statement
JAVA0035 0.00JAVA0035 Missing braces in for statement
JAVA0036 0.00JAVA0036 Missing braces in while statement
JAVA0038 0.00JAVA0038 Non-case label in switch statement
JAVA0039 0.00JAVA0039 Break statement with label
JAVA0040 0.00JAVA0040 Switch statement contains N cases (maximum: M)
JAVA0041 0.00JAVA0041 Nested synchronized block
JAVA0042 0.00JAVA0042 Empty synchronized statement
JAVA0043 0.00JAVA0043 Inner class does not use outer class
JAVA0044 0.00JAVA0044 Serializable class with no instance variables
JAVA0045 0.00JAVA0045 Serializable class with only transient fields
JAVA0046 0.00JAVA0046 Name of class not derived from Exception ends with 'Exception'
JAVA0047 0.00JAVA0047 Serializable class derives from invalid base class
JAVA0048 0.00JAVA0048 Name of class derived from Exception does not end with 'Exception'
JAVA0049 0.00JAVA0049 Nested block at depth N (maximum: M)
JAVA0050 0.00JAVA0050 Class derives from java.lang.Error
JAVA0051 0.00JAVA0051 Class derives from java.lang.RuntimeException
JAVA0052 0.00JAVA0052 Class derives from java.lang.Throwable
JAVA0053 0.00JAVA0053 Unused label
JAVA0054 0.00JAVA0054 Inheritance depth N exceeds maximum M
JAVA0055 0.00JAVA0055 Class should be interface
JAVA0056 0.00JAVA0056 Unnecessary abstract modifier for interface or annotation
JAVA0057 0.00JAVA0057 Unnecessary default constructor
JAVA0058 0.00JAVA0058 Constructor calls super()
JAVA0059 0.00JAVA0059 Method override only calls super()
JAVA0061 0.00JAVA0061 Inaccessible member in anonymous class
JAVA0062 0.00JAVA0062 Public class missing public member or protected constructor
JAVA0063 0.00JAVA0063 Identifier name should not contain '$'
JAVA0064 0.00JAVA0064 N variations of identifier name (maximum: M)
JAVA0065 0.00JAVA0065 Unnecessary final modifier for method in final class
JAVA0066 0.00JAVA0066 Unnecessary modifier for interface nested type
JAVA0067 0.00JAVA0067 Array descriptor on identifier name
JAVA0068 0.00JAVA0068 Modifiers not declared in recommended order
JAVA0071 0.00JAVA0071 Strings compared with ==
JAVA0073 0.00JAVA0073 Integer division in floating-point context
JAVA0074 0.00JAVA0074 Use of Object.notify()
JAVA0075 0.00JAVA0075 Method parameter hides field
JAVA0076 0.00JAVA0076 Use of magic number
JAVA0077 0.00JAVA0077 Private field not used in declaring class
JAVA0078 0.00JAVA0078 Floating point values compared with ==
JAVA0079 0.00JAVA0079 Use of instance to reference static member
JAVA0080 0.00JAVA0080 Import declaration not used
JAVA0081 0.00JAVA0081 Boolean literal in comparison
JAVA0082 0.00JAVA0082 Unnecessary widening cast
JAVA0083 0.00JAVA0083 Unnecessary instanceof test
JAVA0084 0.00JAVA0084 Should use compound assignment operator
JAVA0085 0.00JAVA0085 Use of sun.* class
JAVA0087 0.00JAVA0087 Use of Thread.sleep()
JAVA0089 0.00JAVA0089 Use of restricted package
JAVA0092 0.00JAVA0092 Use of restricted type
JAVA0093 0.00JAVA0093 Redundant assignment
JAVA0094 0.00JAVA0094 Field hides a superclass field
JAVA0095 0.00JAVA0095 Uninitialized private field
JAVA0096 0.00JAVA0096 Field in nested class hides outer field
JAVA0098 0.00JAVA0098 Minimize use of implicit field initializers
JAVA0100 0.00JAVA0100 Class contains N non-final fields (maximum: M)
JAVA0101 0.00JAVA0101 Unnecessary modifier for field in interface
JAVA0102 0.00JAVA0102 Last statement in finalize() not super.finalize()
JAVA0103 0.00JAVA0103 Explicit call to finalize()
JAVA0104 0.00JAVA0104 finalize() only calls super.finalize()
JAVA0105 0.00JAVA0105 Duplicate import declaration
JAVA0106 0.00JAVA0106 Unnecessary import from current package
JAVA010815.00JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0109 0.00JAVA0109 Incorrect javadoc: no parameter 'parameter'
JAVA011017.00JAVA0110 Incorrect javadoc: no @return tag
JAVA0111 0.00JAVA0111 Incorrect javadoc: @return tag for void method
JAVA0112 0.00JAVA0112 Incorrect javadoc: no exception 'exception' in throws
JAVA0113 0.00JAVA0113 Incorrect javadoc: no @author tag
JAVA0114 1.00JAVA0114 Incorrect javadoc: no @version tag
JAVA0115 0.00JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception'
JAVA0116 0.00JAVA0116 Missing javadoc: field 'field'
JAVA0117 0.00JAVA0117 Missing javadoc: method 'method'
JAVA0118 0.00JAVA0118 Missing javadoc: type 'type'
JAVA0119 0.00JAVA0119 Control variable changed within body of for loop
JAVA0123 0.00JAVA0123 Use all three components of for loop
JAVA0125 0.00JAVA0125 Continue statement with label
JAVA0126 0.00JAVA0126 Method declares unchecked exception in throws
JAVA0128 0.00JAVA0128 Public constructor in non-public class
JAVA0130 0.00JAVA0130 Non-static method does not use instance fields
JAVA0131 0.00JAVA0131 Compatible method does not override base
JAVA0132 0.00JAVA0132 Method overload with compatible signature
JAVA0133 0.00JAVA0133 Non-synchronized method overrides synchronized method
JAVA0135 0.00JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method'
JAVA0136 1.00JAVA0136 N methods defined in class (maximum: M)
JAVA0137 0.00JAVA0137 Non-abstract class missing constructor
JAVA0138 0.00JAVA0138 N parameters defined for method (maximum: M)
JAVA0139 0.00JAVA0139 Definition of main other than public static void main(java.lang.String[])
JAVA0141 0.00JAVA0141 Unnecessary modifier for method in interface
JAVA0143 0.00JAVA0143 Synchronized method
JAVA0144 0.00JAVA0144 Line exceeds maximum M characters
JAVA0145 0.00JAVA0145 Tab character used in source file
JAVA0150 0.00JAVA0150 java.lang.Error (or subclass) thrown
JAVA0153 0.00JAVA0153 Inefficient conversion of integer to string
JAVA0159 0.00JAVA0159 Inefficient conversion of string to integer
JAVA0160 0.00JAVA0160 Method does not throw specified exception
JAVA0161 0.00JAVA0161 Conditional wait() not in loop
JAVA0163 0.00JAVA0163 Empty statement
JAVA0165 0.00JAVA0165 Conflicting return statement in finally block
JAVA0166 0.00JAVA0166 Generic exception caught
JAVA0167 0.00JAVA0167 ThreadDeath not rethrown
JAVA0169 0.00JAVA0169 Unnecessary catch block: exception 'exception'
JAVA0170 0.00JAVA0170 Caught exception not derived from java.lang.Exception
JAVA0171 0.00JAVA0171 Unused local variable
JAVA0173 0.00JAVA0173 Unused method parameter
JAVA0174 0.00JAVA0174 Assigned local variable never used
JAVA0175 0.00JAVA0175 Successive assignment to variable
JAVA0176 0.00JAVA0176 Local variable name does not have required form
JAVA0177 0.00JAVA0177 Variable declaration missing initializer
JAVA0179 0.00JAVA0179 Local variable hides visible field
JAVA0233 0.00JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID'
JAVA0234 0.00JAVA0234 Class is Serializable but does not define serialVersionUID
JAVA0235 0.00JAVA0235 Class defines serialVersionUID but does not implement Serializable
JAVA0236 0.00JAVA0236 Attempt to clone an object which does not implement Cloneable
JAVA0237 0.00JAVA0237 Class implements Cloneable but does not have public clone method
JAVA0238 0.00JAVA0238 Clone method does not call super.clone()
JAVA0239 0.00JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable
JAVA0240 0.00JAVA0240 Serializable class which declares readObject or writeObject but not both
JAVA0241 0.00JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class
JAVA0242 0.00JAVA0242 Transient field in non-Serializable class
JAVA0243 0.00JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected
JAVA0244 0.00JAVA0244 Field or method name in subclass differs only by case from inherited field or method
JAVA0245 0.00JAVA0245 JUnit TestCase with non-trivial constructor
JAVA0246 0.00JAVA0246 JUnit assertXXX statement missing message parameter
JAVA0247 0.00JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method
JAVA0248 0.00JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature
JAVA0249 0.00JAVA0249 JUnit TestCase 'suite()' should be declared static
JAVA0250 0.00JAVA0250 JUnit TestCase declares testXXX method with incorrect signature
JAVA0251 0.00JAVA0251 Use '%n' for line breaks in printf/format for platform independence
JAVA0252 0.00JAVA0252 'enum' is a Java 1.5 reserved word
JAVA0253 0.00JAVA0253 Not all enum constants consumed in switch statement
JAVA0254 0.00JAVA0254 Use enhanced for loop construct instead of Iterator
JAVA0255 0.00JAVA0255 Result of method invocation not used
JAVA0256 0.00JAVA0256 Assignment of external collection/array to field
JAVA0257 0.00JAVA0257 Use of 'Constant Interface' anti-pattern
JAVA0258 0.00JAVA0258 Implement Iterable for foreach compatibility
JAVA0259 0.00JAVA0259 Return of collection/array field
JAVA0260 0.00JAVA0260 Use 'enum' instead of Enumerated Type pattern
JAVA0261 0.00JAVA0261 Use specialized Enum collection types
JAVA0262 0.00JAVA0262 Use of char in integer context
JAVA0263 0.00JAVA0263 Long literal ends with 'l' instead of 'L'
JAVA0264 0.00JAVA0264 Integer math in long context - check for overflow
JAVA0265 0.00JAVA0265 Use of Throwable.printStackTrace()
JAVA0266 0.00JAVA0266 Use of System.out
JAVA0267 0.00JAVA0267 Use of System.err
JAVA0269 0.00JAVA0269 Contents of StringBuffer never used
JAVA0270 0.00JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array
JAVA0271 0.00JAVA0271 Minimize use of on-demand (.*) static imports
JAVA0272 0.00JAVA0272 Thread.run() called
JAVA0273 0.00JAVA0273 Non-final derivative of Thread calls start() in constructor
JAVA0274 0.00JAVA0274 Serializable class has a synchronized readObject()
JAVA0275 0.00JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods
JAVA0276 0.00JAVA0276 Unnecessary use of String constructor
JAVA0277 0.00JAVA0277 Iterator.next() implementation does not throw NoSuchElementException
JAVA0278 0.00JAVA0278 Unnecessary use of Boolean constructor
JAVA0279 0.00JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method
JAVA0280 0.00JAVA0280 IllegalMonitorStateException caught
JAVA0281 0.00JAVA0281 Iterator.next() not called in loop
JAVA0282 0.00JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext()
JAVA0283 0.00JAVA0283 Control variable not updated in loop body
JAVA0284 0.00JAVA0284 Explicit garbage collection
JAVA0285 0.00JAVA0285 Dereference of potentially null variable
JAVA0286 0.00JAVA0286 Dereference of null variable
JAVA0287 0.00JAVA0287 Unnecessary null check
JAVA0288 0.00JAVA0288 Inconsistent null check
LINES415.00Number of lines in the source file
LINE_COMMENT13.00Number of line comments
LOC53.00Lines of code
LOGICAL_LINES50.00Number of statements
LOOPS 0.00Number of loops
NEST_DEPTH 0.00Maximum nesting depth
OPERANDS158.00Number of operands
OPERATORS204.00Number of operators
PARAMS21.00Number of formal parameter declarations
PROGRAM_LENGTH362.00Halstead program length
PROGRAM_VOCAB108.00Halstead program vocabulary
PROGRAM_VOLUME 0.00Halstead program volume
RETURNS 0.00Number of return points from functions
SIZE13422.00Size of the file in bytes
UNIQUE_OPERANDS94.00Number of unique operands
UNIQUE_OPERATORS14.00Number of unique operators
WHITESPACE74.00Number of whitespace lines