AbstractInjector.java
| Index Score | ||
|---|---|---|
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org.picocontainer.injectors |
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PicoContainer |
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 | |
|---|---|---|
| JAVA0071 | JAVA0071 Strings compared with == |  |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0051 | JAVA0051 Class derives from java.lang.RuntimeException | |
| RETURNS | Number of return points from functions | |
| FUNCTIONS | Number of function declarations | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| DECL_COMMENTS | Comments in declarations | |
| SIZE | Size of the file in bytes | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| UNIQUE_OPERANDS | Number of unique operands | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0150 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| UNIQUE_OPERATORS | Number of unique operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0259 | JAVA0259 Return of collection/array field | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| LINE_COMMENT | Number of line comments | |
| EXEC_COMMENTS | Comments in executable code | |
| BLOCKS | Number of blocks | |
| LOOPS | Number of loops | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0256 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*****************************************************************************
* Copyright (C) PicoContainer Organization. All rights reserved. *
* ------------------------------------------------------------------------- *
* The software in this package is published under the terms of the BSD *
* style license a copy of which has been included with this distribution in *
* the LICENSE.txt file. *
* *
* Original code by *
*****************************************************************************/
package org.picocontainer.injectors;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Member;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.ComponentMonitor;
import org.picocontainer.Injector;
import org.picocontainer.LifecycleStrategy;
import org.picocontainer.ObjectReference;
import org.picocontainer.Parameter;
import org.picocontainer.PicoCompositionException;
import org.picocontainer.PicoContainer;
import org.picocontainer.PicoVisitor;
import org.picocontainer.adapters.AbstractAdapter;
import org.picocontainer.parameters.ComponentParameter;
/**
* This ComponentAdapter will instantiate a new object for each call to
* {@link org.picocontainer.ComponentAdapter#getComponentInstance(PicoContainer, Class)}.
* That means that when used with a PicoContainer, getComponent will
* return a new object each time.
*
* @author Aslak Hellesøy
* @author Paul Hammant
* @author Jörg Schaible
* @author Mauro Talevi
*/
@SuppressWarnings("serial")
public abstract class AbstractInjector<T> extends AbstractAdapter<T> implements LifecycleStrategy, Injector<T> {
/** The cycle guard for the verification. */
protected transient ThreadLocalCyclicDependencyGuard verifyingGuard;
/** The parameters to use for initialization. */
protected transient Parameter[] parameters;
/** The strategy used to control the lifecycle */
protected LifecycleStrategy lifecycleStrategy;
private final boolean useNames;
/**
* Constructs a new ComponentAdapter for the given key and implementation.
* @param componentKey the search key for this implementation
* @param componentImplementation the concrete implementation
* @param parameters the parameters to use for the initialization
* @param monitor the component monitor used by this ComponentAdapter
* @param lifecycleStrategy the lifecycle strategy used by this ComponentAdapter
* @throws org.picocontainer.injectors.AbstractInjector.NotConcreteRegistrationException if the implementation is not a concrete class
* @throws NullPointerException if one of the parameters is <code>null</code>
*/
protected AbstractInjector(final Object componentKey, final Class<?> componentImplementation, final Parameter[] parameters,
final ComponentMonitor monitor, final LifecycleStrategy lifecycleStrategy, final boolean useNames) {
super(componentKey, componentImplementation, monitor);
this.useNames = useNames;
checkConcrete();
if (parameters != null) {
for (int i = 0; i < parameters.length; i++) {
if(parameters[i] == null) {
throw new NullPointerException("Parameter " + i + " is null");
}
}
}
this.parameters = parameters;
this.lifecycleStrategy = lifecycleStrategy;
}
public boolean useNames() {
return useNames;
}
private void checkConcrete() throws NotConcreteRegistrationException {
// Assert that the component class is concrete.
boolean isAbstract = (getComponentImplementation().getModifiers() & Modifier.ABSTRACT) == Modifier.ABSTRACT;
if (getComponentImplementation().isInterface() || isAbstract) {
throw new NotConcreteRegistrationException(getComponentImplementation());
}
}
/**
* Create default parameters for the given types.
*
* @param parameters the parameter types
* @return the array with the default parameters.
*/
protected Parameter[] createDefaultParameters(final Type[] parameters) {
Parameter[] componentParameters = new Parameter[parameters.length];
for (int i = 0; i < parameters.length; i++) {
componentParameters[i] = ComponentParameter.DEFAULT;
}
return componentParameters;
}
public void verify(PicoContainer container) throws PicoCompositionException {
}
public T getComponentInstance(PicoContainer container) throws PicoCompositionException {
return getComponentInstance(container, NOTHING.class);
}
public abstract T getComponentInstance(PicoContainer container, Type into) throws PicoCompositionException;
@Override
public void accept(final PicoVisitor visitor) {
super.accept(visitor);
if (parameters != null) {
for (Parameter parameter : parameters) {
parameter.accept(visitor);
}
}
}
public void start(final Object component) {
lifecycleStrategy.start(component);
}
public void stop(final Object component) {
lifecycleStrategy.stop(component);
}
public void dispose(final Object component) {
lifecycleStrategy.dispose(component);
}
public boolean hasLifecycle(final Class<?> type) {
return lifecycleStrategy.hasLifecycle(type);
}
public String getDescriptor() {
return "Asbtract Injector";
}
/**
* Instantiate an object with given parameters and respect the accessible flag.
*
* @param constructor the constructor to use
* @param parameters the parameters for the constructor
* @return the new object.
* @throws InstantiationException
* @throws IllegalAccessException
* @throws InvocationTargetException
*/
protected T newInstance(final Constructor<T> constructor, final Object[] parameters) throws InstantiationException, IllegalAccessException, InvocationTargetException {
return constructor.newInstance(parameters);
}
/**
* inform monitor about component instantiation failure
* @param componentMonitor
* @param constructor
* @param e
* @param container
* @return
*/
protected T caughtInstantiationException(final ComponentMonitor componentMonitor,
final Constructor<T> constructor,
final InstantiationException e, final PicoContainer container) {
// can't get here because checkConcrete() will catch it earlier, but see PICO-191
componentMonitor.instantiationFailed(container, this, constructor, e);
throw new PicoCompositionException("Should never get here");
}
/**
* inform monitor about access exception.
* @param componentMonitor
* @param constructor
* @param e
* @param container
* @return
*/
protected T caughtIllegalAccessException(final ComponentMonitor componentMonitor,
final Constructor<T> constructor,
final IllegalAccessException e, final PicoContainer container) {
// can't get here because either filtered or access mode set
componentMonitor.instantiationFailed(container, this, constructor, e);
throw new PicoCompositionException(e);
}
/**
* inform monitor about exception while instantiating component
* @param componentMonitor
* @param member
* @param componentInstance
* @param e
* @return
*/
protected T caughtInvocationTargetException(final ComponentMonitor componentMonitor,
final Member member,
final Object componentInstance, final InvocationTargetException e) {
componentMonitor.invocationFailed(member, componentInstance, e);
if (e.getTargetException() instanceof RuntimeException) {
throw (RuntimeException) e.getTargetException();
} else if (e.getTargetException() instanceof Error) {
throw (Error) e.getTargetException();
}
throw new PicoCompositionException(e.getTargetException());
}
protected Object caughtIllegalAccessException(final ComponentMonitor componentMonitor,
final Member member,
final Object componentInstance, final IllegalAccessException e) {
componentMonitor.invocationFailed(member, componentInstance, e);
throw new PicoCompositionException(e);
}
protected Type box(Type parameterType) {
if (parameterType instanceof Class && ((Class) parameterType).isPrimitive()) {
String parameterTypeName = ((Class) parameterType).getName();
if (parameterTypeName == "int") {
return Integer.class;
} else if (parameterTypeName == "boolean") {
return Boolean.class;
} else if (parameterTypeName == "long") {
return Long.class;
} else if (parameterTypeName == "float") {
return Float.class;
} else if (parameterTypeName == "double") {
return Double.class;
} else if (parameterTypeName == "char") {
return Character.class;
} else if (parameterTypeName == "byte") {
return Byte.class;
} else if (parameterTypeName == "short") {
return Short.class;
}
}
return parameterType;
}
/**
* Abstract utility class to detect recursion cycles.
* Derive from this class and implement {@link ThreadLocalCyclicDependencyGuard#run}.
* The method will be called by {@link ThreadLocalCyclicDependencyGuard#observe}. Select
* an appropriate guard for your scope. Any {@link ObjectReference} can be
* used as long as it is initialized with <code>Boolean.FALSE</code>.
*
* @author Jörg Schaible
*/
static abstract class ThreadLocalCyclicDependencyGuard<T> extends ThreadLocal<Boolean> {
protected PicoContainer guardedContainer;
@Override
protected Boolean initialValue() {
return Boolean.FALSE;
}
/**
* Derive from this class and implement this function with the functionality
* to observe for a dependency cycle.
*
* @return a value, if the functionality result in an expression,
* otherwise just return <code>null</code>
*/
public abstract T run();
/**
* Call the observing function. The provided guard will hold the {@link Boolean} value.
* If the guard is already <code>Boolean.TRUE</code> a {@link CyclicDependencyException}
* will be thrown.
*
* @param stackFrame the current stack frame
* @return the result of the <code>run</code> method
*/
public final T observe(final Class<?> stackFrame) {
if (Boolean.TRUE.equals(get())) {
throw new CyclicDependencyException(stackFrame);
}
T result = null;
try {
set(Boolean.TRUE);
result = run();
} catch (final CyclicDependencyException e) {
e.push(stackFrame);
throw e;
} finally {
set(Boolean.FALSE);
}
return result;
}
public void setGuardedContainer(final PicoContainer container) {
this.guardedContainer = container;
}
}
@SuppressWarnings("serial")
public static class CyclicDependencyException extends PicoCompositionException {
private final List<Class> stack;
/**
* @param element
*/
public CyclicDependencyException(final Class<?> element) {
super((Throwable)null);
this.stack = new LinkedList<Class>();
push(element);
}
/**
* @param element
*/
public void push(final Class<?> element) {
stack.add(element);
}
public Class[] getDependencies() {
return stack.toArray(new Class[stack.size()]);
}
@Override
public String getMessage() {
return "Cyclic dependency: " + stack.toString();
}
}
/**
* Exception that is thrown as part of the introspection. Raised if a PicoContainer cannot resolve a
* type dependency because the registered {@link org.picocontainer.ComponentAdapter}s are not
* distinct.
*
* @author Paul Hammant
* @author Aslak Hellesøy
* @author Jon Tirsén
*/
@SuppressWarnings("serial")
public static final class AmbiguousComponentResolutionException extends PicoCompositionException {
private Class<?> component;
private final Class<?> ambiguousDependency;
private final Object[] ambiguousComponentKeys;
/**
* Construct a new exception with the ambigous class type and the ambiguous component keys.
*
* @param ambiguousDependency the unresolved dependency type
* @param componentKeys the ambiguous keys.
*/
public AmbiguousComponentResolutionException(final Class<?> ambiguousDependency, final Object[] componentKeys) {
super("");
this.ambiguousDependency = ambiguousDependency;
this.ambiguousComponentKeys = new Class[componentKeys.length];
System.arraycopy(componentKeys, 0, ambiguousComponentKeys, 0, componentKeys.length);
}
/**
* @return Returns a string containing the unresolved class type and the ambiguous keys.
*/
@Override
public String getMessage() {
StringBuffer msg = new StringBuffer();
msg.append(component != null ? component : "<no-component>");
msg.append(" needs a '");
msg.append(ambiguousDependency.getName());
msg.append("' injected, but there are too many choices to inject. These:");
msg.append(Arrays.asList(getAmbiguousComponentKeys()));
msg.append(", refer http://picocontainer.org/ambiguous-injectable-help.html");
return msg.toString();
}
/**
* @return Returns the ambiguous component keys as array.
*/
public Object[] getAmbiguousComponentKeys() {
return ambiguousComponentKeys;
}
public void setComponent(final Class<?> component) {
this.component = component;
}
}
/**
* Exception thrown when some of the component's dependencies are not satisfiable.
*
* @author Aslak Hellesøy
* @author Mauro Talevi
*/
public static class UnsatisfiableDependenciesException extends PicoCompositionException {
private final ComponentAdapter<?> instantiatingComponentAdapter;
private final Set unsatisfiableDependencies;
private final Type unsatisfiedDependencyType;
/**
* The original container requesting the instantiation of the component.
*/
private final PicoContainer leafContainer;
public UnsatisfiableDependenciesException(final ComponentAdapter<?> instantiatingComponentAdapter,
final Type unsatisfiedDependencyType, final Set unsatisfiableDependencies,
final PicoContainer leafContainer) {
super(instantiatingComponentAdapter.getComponentImplementation().getName() + " has unsatisfied dependency: " + unsatisfiedDependencyType
+" among unsatisfiable dependencies: "+unsatisfiableDependencies + " where " + leafContainer
+ " was the leaf container being asked for dependencies.");
this.instantiatingComponentAdapter = instantiatingComponentAdapter;
this.unsatisfiableDependencies = unsatisfiableDependencies;
this.unsatisfiedDependencyType = unsatisfiedDependencyType;
this.leafContainer = leafContainer;
}
public ComponentAdapter<?> getUnsatisfiableComponentAdapter() {
return instantiatingComponentAdapter;
}
public Set getUnsatisfiableDependencies() {
return unsatisfiableDependencies;
}
public Type getUnsatisfiedDependencyType() {
return unsatisfiedDependencyType;
}
public PicoContainer getLeafContainer() {
return leafContainer;
}
}
/**
* @author Aslak Hellesoy
*/
public static class NotConcreteRegistrationException extends PicoCompositionException {
private final Class<?> componentImplementation;
public NotConcreteRegistrationException(final Class<?> componentImplementation) {
super("Bad Access: '" + componentImplementation.getName() + "' is not instantiable");
this.componentImplementation = componentImplementation;
}
public Class<?> getComponentImplementation() {
return componentImplementation;
}
}
}
The table below shows all metrics for AbstractInjector.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 58.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 139.00 | Comment lines | |
| COMMENT_DENSITY | 0.68 | Comment density | |
| COMPARISONS | 22.00 | Number of comparison operators | |
| CYCLOMATIC | 58.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 23.00 | Comments in declarations | |
| DOC_COMMENT | 136.00 | Number of javadoc comment lines | |
| ELOC | 204.00 | Effective lines of code | |
| EXEC_COMMENTS | 3.00 | Comments in executable code | |
| EXITS | 35.00 | Procedure exits | |
| FUNCTIONS | 38.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 55.63 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 102.00 | Interface complexity | |
| JAVA0001 | 0.00 | 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 | 0.00 | 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 | 0.00 | 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 | 4.00 | 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 | 1.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 8.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 2.00 | 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 | 1.00 | 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 | 1.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | 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 | 0.00 | 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 | 13.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | 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 | 4.00 | 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 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 1.00 | 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 | 4.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 18.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 1.00 | 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 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 4.00 | 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 | 2.00 | 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 | 2.00 | 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 | 452.00 | Number of lines in the source file | |
| LINE_COMMENT | 3.00 | Number of line comments | |
| LOC | 258.00 | Lines of code | |
| LOGICAL_LINES | 124.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 565.00 | Number of operands | |
| OPERATORS | 1136.00 | Number of operators | |
| PARAMS | 47.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1701.00 | Halstead program length | |
| PROGRAM_VOCAB | 310.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 55.00 | Number of return points from functions | |
| SIZE | 17870.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 259.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 51.00 | Number of unique operators | |
| WHITESPACE | 55.00 | Number of whitespace lines | |