AnalysisCache.java
| Index Score | ||
|---|---|---|
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edu.umd.cs.findbugs.classfile.impl |
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FindBugs |
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 | |
|---|---|---|
| JAVA0034 | JAVA0034 Missing braces in if statement |  |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| LINE_COMMENT | Number of line comments | |
| EXEC_COMMENTS | Comments in executable code | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| EXITS | Procedure exits | |
| SIZE | Size of the file in bytes | |
| JAVA0266 | JAVA0266 Use of System.out | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PROGRAM_LENGTH | Halstead program length | |
| RETURNS | Number of return points from functions | |
| OPERANDS | Number of operands | |
| OPERATORS | Number of operators | |
| DECL_COMMENTS | Comments in declarations | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| JAVA0082 | JAVA0082 Unnecessary widening cast | |
| CYCLOMATIC | Cyclomatic complexity | |
| BLOCKS | Number of blocks | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| ELOC | Effective lines of code | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| LOGICAL_LINES | Number of statements | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| LOC | Lines of code | |
| DOC_COMMENT | Number of javadoc comment lines | |
/*
* FindBugs - Find Bugs in Java programs
* Copyright (C) 2006-2007 University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.classfile.impl;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.bcel.classfile.JavaClass;
import edu.umd.cs.findbugs.ba.AnalysisContext;
import edu.umd.cs.findbugs.ba.ClassContext;
import edu.umd.cs.findbugs.ba.Debug;
import edu.umd.cs.findbugs.classfile.CheckedAnalysisException;
import edu.umd.cs.findbugs.classfile.ClassDescriptor;
import edu.umd.cs.findbugs.classfile.IAnalysisCache;
import edu.umd.cs.findbugs.classfile.IAnalysisEngine;
import edu.umd.cs.findbugs.classfile.IClassAnalysisEngine;
import edu.umd.cs.findbugs.classfile.IClassPath;
import edu.umd.cs.findbugs.classfile.IDatabaseFactory;
import edu.umd.cs.findbugs.classfile.IErrorLogger;
import edu.umd.cs.findbugs.classfile.IMethodAnalysisEngine;
import edu.umd.cs.findbugs.classfile.MethodDescriptor;
import edu.umd.cs.findbugs.classfile.UncheckedAnalysisException;
import edu.umd.cs.findbugs.log.Profiler;
import edu.umd.cs.findbugs.util.MapCache;
/**
* Implementation of IAnalysisCache.
* This object is responsible for registering class and method analysis engines
* and caching analysis results.
*
* @author David Hovemeyer
*/
public class AnalysisCache implements IAnalysisCache {
/**
*
*/
private static final int MAX_JAVACLASS_RESULTS_TO_CACHE = 5000;
/**
* Maximum number of class analysis results to cache.
*/
private static final int MAX_CLASS_RESULTS_TO_CACHE = 5000;
private static final boolean assertionsEnabled;
static {
boolean check = false;
assert check = true;
assertionsEnabled = check;
}
// Fields
private final IClassPath classPath;
private final IErrorLogger errorLogger;
private final Map<Class<?>, IClassAnalysisEngine<?>> classAnalysisEngineMap;
private final Map<Class<?>, IMethodAnalysisEngine<?>> methodAnalysisEngineMap;
private final Map<Class<?>, IDatabaseFactory<?>> databaseFactoryMap;
private final Map<Class<?>, Map<ClassDescriptor, Object>> classAnalysisMap;
private final Map<Class<?>, Object> databaseMap;
private final Map<?,?> analysisLocals = Collections.synchronizedMap(new HashMap<Object,Object>());
public final Map<?, ?> getAnalysisLocals() {
return analysisLocals;
}
static class AbnormalAnalysisResult {
final CheckedAnalysisException checkedAnalysisException;
final RuntimeException runtimeException;
final boolean isNull;
AbnormalAnalysisResult(CheckedAnalysisException checkedAnalysisException) {
this.checkedAnalysisException = checkedAnalysisException;
this.runtimeException = null;
isNull = false;
}
AbnormalAnalysisResult(RuntimeException runtimeException) {
this.runtimeException = runtimeException;
this.checkedAnalysisException = null;
isNull = false;
}
AbnormalAnalysisResult() {
this.isNull = true;
this.checkedAnalysisException = null;
this.runtimeException = null;
}
public Object returnOrThrow() throws CheckedAnalysisException {
if (isNull) {
return null;
} else if (runtimeException != null) {
// runtimeException.fillInStackTrace();
throw runtimeException;
} else if (checkedAnalysisException != null) {
// checkedAnalysisException.fillInStackTrace();
throw checkedAnalysisException;
}
throw new IllegalStateException("It has to be something");
}
}
static final AbnormalAnalysisResult NULL_ANALYSIS_RESULT = new AbnormalAnalysisResult();
@SuppressWarnings("unchecked")
static <E> E checkedCast(Class<E> analysisClass,
Object o) {
if (assertionsEnabled)
return analysisClass.cast(o);
return (E) o;
}
/**
* Constructor.
*
* @param classPath the IClassPath to load resources from
* @param errorLogger the IErrorLogger
*/
AnalysisCache(IClassPath classPath, IErrorLogger errorLogger) {
this.classPath = classPath;
this.errorLogger = errorLogger;
this.classAnalysisEngineMap = new HashMap<Class<?>, IClassAnalysisEngine<?>>();
this.methodAnalysisEngineMap = new HashMap<Class<?>, IMethodAnalysisEngine<?>>();
this.databaseFactoryMap = new HashMap<Class<?>, IDatabaseFactory<?>>();
this.classAnalysisMap = new HashMap<Class<?>, Map<ClassDescriptor,Object>>();
this.databaseMap = new HashMap<Class<?>, Object>();
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#getClassPath()
*/
public IClassPath getClassPath() {
return classPath;
}
public void purgeAllMethodAnalysis() {
// System.out.println("ZZZ : purging all method analyses");
try {
Map<ClassDescriptor, ClassContext> map = getAllClassAnalysis(ClassContext.class);
Collection<?> allClassContexts = map.values();
for(Object c : allClassContexts) {
if (c instanceof ClassContext)
((ClassContext)c).purgeAllMethodAnalyses();
}
}
catch (ClassCastException e) {
AnalysisContext.logError("Unable to purge method analysis" , e);
} catch (CheckedAnalysisException e) {
AnalysisContext.logError("Unable to purge method analysis" , e);
}
}
@SuppressWarnings("unchecked")
private <E> Map<ClassDescriptor, E> getAllClassAnalysis(Class<E> analysisClass)
throws CheckedAnalysisException {
Map<ClassDescriptor, Object> descriptorMap =
findOrCreateDescriptorMap(classAnalysisMap, (Map)classAnalysisEngineMap, analysisClass);
return (Map<ClassDescriptor, E>) descriptorMap;
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#getClassAnalysis(java.lang.Class, edu.umd.cs.findbugs.classfile.ClassDescriptor)
*/
@SuppressWarnings("unchecked")
public <E> E getClassAnalysis(Class<E> analysisClass,
ClassDescriptor classDescriptor) throws CheckedAnalysisException {
if (classDescriptor == null)
throw new NullPointerException("classDescriptor is null");
// Get the descriptor->result map for this analysis class,
// creating if necessary
Map<ClassDescriptor, Object> descriptorMap =
findOrCreateDescriptorMap(classAnalysisMap, (Map)classAnalysisEngineMap, analysisClass);
// See if there is a cached result in the descriptor map
Object analysisResult = descriptorMap.get(classDescriptor);
if (analysisResult == null) {
// No cached result - compute (or recompute)
if (false && analysisClass == ClassContext.class)
System.out.println("ZZZ Generating " + analysisClass.getSimpleName() + " for " + classDescriptor);
IAnalysisEngine<ClassDescriptor, E> engine = (IAnalysisEngine<ClassDescriptor, E>) classAnalysisEngineMap.get(analysisClass);
if (engine == null) {
throw new IllegalArgumentException(
"No analysis engine registered to produce " + analysisClass.getName());
}
Profiler profiler = Profiler.getInstance();
// Perform the analysis
try {
profiler.start(engine.getClass());
analysisResult = engine.analyze(this, classDescriptor);
// If engine returned null, we need to construct
// an AbnormalAnalysisResult object to record that fact.
// Otherwise we will try to recompute the value in
// the future.
if (analysisResult == null) {
analysisResult = NULL_ANALYSIS_RESULT;
}
} catch (CheckedAnalysisException e) {
// Exception - make note
// Andrei: e.getStackTrace() cannot be null, but getter clones the stack...
// if (e.getStackTrace() == null)
// e.fillInStackTrace();
analysisResult = new AbnormalAnalysisResult(e);
} catch (RuntimeException e) {
// Exception - make note
// Andrei: e.getStackTrace() cannot be null, but getter clones the stack...
// if (e.getStackTrace() == null)
// e.fillInStackTrace();
analysisResult = new AbnormalAnalysisResult(e);
} finally {
profiler.end(engine.getClass());
}
if (false && analysisClass == ClassContext.class)
System.out.println("ZZZ Generated " + hex(analysisResult) + " for " + classDescriptor);
// Save the result
descriptorMap.put(classDescriptor, analysisResult);
}
// Abnormal analysis result?
if (analysisResult instanceof AbnormalAnalysisResult) {
return checkedCast(analysisClass,((AbnormalAnalysisResult) analysisResult).returnOrThrow());
}
return checkedCast(analysisClass,analysisResult);
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#probeClassAnalysis(java.lang.Class, edu.umd.cs.findbugs.classfile.ClassDescriptor)
*/
public <E> E probeClassAnalysis(Class<E> analysisClass, ClassDescriptor classDescriptor) {
Map<ClassDescriptor, Object> descriptorMap = classAnalysisMap.get(analysisClass);
if (descriptorMap == null) {
return null;
}
return checkedCast(analysisClass, descriptorMap.get(classDescriptor));
}
String hex(Object o) {
return Integer.toHexString(System.identityHashCode(o));
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#getMethodAnalysis(java.lang.Class, edu.umd.cs.findbugs.classfile.MethodDescriptor)
*/
public <E> E getMethodAnalysis(Class<E> analysisClass,
MethodDescriptor methodDescriptor) throws CheckedAnalysisException {
if (methodDescriptor == null)
throw new NullPointerException("methodDescriptor is null");
ClassContext classContext = getClassAnalysis(ClassContext.class, methodDescriptor.getClassDescriptor());
Object object = classContext.getMethodAnalysis(analysisClass, methodDescriptor);
if (object == null) {
try {
object = analyzeMethod(classContext, analysisClass, methodDescriptor);
if (object == null) {
object = NULL_ANALYSIS_RESULT;
}
} catch (RuntimeException e) {
object = new AbnormalAnalysisResult(e);
} catch (CheckedAnalysisException e) {
object = new AbnormalAnalysisResult(e);
}
classContext.putMethodAnalysis(analysisClass, methodDescriptor, object);
if (false) System.out.println("ZZZ updated to " + classContext.getObjectMap(analysisClass).keySet()
+ " in " + Integer.toString(System.identityHashCode(classContext.getObjectMap(analysisClass)),16));
}
if (Debug.VERIFY_INTEGRITY && object == null) {
throw new IllegalStateException("AnalysisFactory failed to produce a result object");
}
if (object instanceof AbnormalAnalysisResult) {
return checkedCast(analysisClass, ((AbnormalAnalysisResult) object).returnOrThrow());
}
return checkedCast(analysisClass, object);
}
/**
* Analyze a method.
*
* @param classContext ClassContext storing method analysis objects for method's class
* @param analysisClass class the method analysis object should belong to
* @param methodDescriptor method descriptor identifying the method to analyze
* @return the computed analysis object for the method
* @throws CheckedAnalysisException
*/
@SuppressWarnings("unchecked")
private <E> E analyzeMethod(
ClassContext classContext,
Class<E> analysisClass,
MethodDescriptor methodDescriptor) throws CheckedAnalysisException {
IMethodAnalysisEngine<E> engine = (IMethodAnalysisEngine<E>) methodAnalysisEngineMap.get(analysisClass);
if (engine == null) {
throw new IllegalArgumentException(
"No analysis engine registered to produce " + analysisClass.getName());
}
Profiler profiler = Profiler.getInstance();
profiler.start(engine.getClass());
try {
return engine.analyze(this, methodDescriptor);
} finally {
profiler.end(engine.getClass());
}
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#eagerlyPutMethodAnalysis(java.lang.Class, edu.umd.cs.findbugs.classfile.MethodDescriptor, java.lang.Object)
*/
public <E> void eagerlyPutMethodAnalysis(Class<E> analysisClass, MethodDescriptor methodDescriptor, Object analysisObject) {
try {
ClassContext classContext = getClassAnalysis(ClassContext.class, methodDescriptor.getClassDescriptor());
classContext.putMethodAnalysis(analysisClass, methodDescriptor, analysisObject);
} catch (CheckedAnalysisException e) {
IllegalStateException ise = new IllegalStateException("Unexpected exception adding method analysis to cache");
ise.initCause(e);
throw ise;
}
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#purgeMethodAnalyses(edu.umd.cs.findbugs.classfile.MethodDescriptor)
*/
public void purgeMethodAnalyses(MethodDescriptor methodDescriptor) {
try {
if (false) System.out.println("ZZZ purging analysis for " + methodDescriptor);
ClassContext classContext = getClassAnalysis(ClassContext.class, methodDescriptor.getClassDescriptor());
classContext.purgeMethodAnalyses(methodDescriptor);
} catch (CheckedAnalysisException e) {
IllegalStateException ise = new IllegalStateException("Unexpected exception purging method analyses from cache");
ise.initCause(e);
throw ise;
}
}
/**
* Find or create a descriptor to analysis object map.
*
* @param <DescriptorType> type of descriptor used as the map's key type (ClassDescriptor or MethodDescriptor)
* @param <E> type of analysis class
* @param analysisClassToDescriptorMapMap analysis class to descriptor map map
* @param engineMap analysis class to analysis engine map
* @param analysisClass the analysis map
* @return the descriptor to analysis object map
*/
private static <DescriptorType, E> Map<DescriptorType, Object>
findOrCreateDescriptorMap(final Map<Class<?>, Map<DescriptorType, Object>> analysisClassToDescriptorMapMap,
final Map<Class<?>, ? extends IAnalysisEngine<DescriptorType,E>> engineMap,
final Class<E> analysisClass) {
Map<DescriptorType, Object> descriptorMap = analysisClassToDescriptorMapMap.get(analysisClass);
if (descriptorMap == null) {
// Create a MapCache that allows the analysis engine to
// decide that analysis results should be retained indefinitely.
IAnalysisEngine<DescriptorType, E> engine = engineMap.get(analysisClass);
if (analysisClass.equals(JavaClass.class))
descriptorMap = new MapCache<DescriptorType, Object>(MAX_JAVACLASS_RESULTS_TO_CACHE);
else if (analysisClass.equals(ClassContext.class))
descriptorMap = new MapCache<DescriptorType, Object>(10);
else if (engine instanceof IClassAnalysisEngine && ((IClassAnalysisEngine)engine).canRecompute())
descriptorMap = new MapCache<DescriptorType, Object>(MAX_CLASS_RESULTS_TO_CACHE);
else
descriptorMap = new HashMap<DescriptorType, Object>();
analysisClassToDescriptorMapMap.put(analysisClass, descriptorMap);
}
return descriptorMap;
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#registerClassAnalysisEngine(java.lang.Class, edu.umd.cs.findbugs.classfile.IClassAnalysisEngine)
*/
public <E> void registerClassAnalysisEngine(Class<E> analysisResultType,
IClassAnalysisEngine<E> classAnalysisEngine) {
classAnalysisEngineMap.put(analysisResultType, classAnalysisEngine);
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#registerMethodAnalysisEngine(java.lang.Class, edu.umd.cs.findbugs.classfile.IMethodAnalysisEngine)
*/
public <E> void registerMethodAnalysisEngine(Class<E> analysisResultType,
IMethodAnalysisEngine<E> methodAnalysisEngine) {
methodAnalysisEngineMap.put(analysisResultType, methodAnalysisEngine);
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#registerDatabaseFactory(java.lang.Class, edu.umd.cs.findbugs.classfile.IDatabaseFactory)
*/
public <E> void registerDatabaseFactory(Class<E> databaseClass, IDatabaseFactory<E> databaseFactory) {
databaseFactoryMap.put(databaseClass, databaseFactory);
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#getDatabase(java.lang.Class)
*/
public <E> E getDatabase(Class<E> databaseClass) {
Object database = databaseMap.get(databaseClass);
if (database == null) {
try {
// Find the database factory
IDatabaseFactory<?> databaseFactory = databaseFactoryMap.get(databaseClass);
if (databaseFactory == null) {
throw new IllegalArgumentException(
"No database factory registered for " + databaseClass.getName());
}
// Create the database
database = databaseFactory.createDatabase();
} catch (CheckedAnalysisException e) {
// Error - record the analysis error
database = new AbnormalAnalysisResult(e);
}
// FIXME: should catch and re-throw RuntimeExceptions?
databaseMap.put(databaseClass, database);
}
if (database instanceof AbnormalAnalysisResult) {
throw new UncheckedAnalysisException(
"Error instantiating " + databaseClass.getName() + " database",
((AbnormalAnalysisResult)database).checkedAnalysisException);
}
return databaseClass.cast(database);
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#eagerlyPutDatabase(java.lang.Class, java.lang.Object)
*/
public <E> void eagerlyPutDatabase(Class<E> databaseClass, E database) {
databaseMap.put(databaseClass, database);
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.classfile.IAnalysisCache#getErrorLogger()
*/
public IErrorLogger getErrorLogger() {
return errorLogger;
}
}
The table below shows all metrics for AnalysisCache.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 61.00 | Number of blocks | |
| BLOCK_COMMENT | 54.00 | Number of block comment lines | |
| COMMENTS | 121.00 | Comment lines | |
| COMMENT_DENSITY | 0.51 | Comment density | |
| COMPARISONS | 28.00 | Number of comparison operators | |
| CYCLOMATIC | 65.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 20.00 | Comments in declarations | |
| DOC_COMMENT | 38.00 | Number of javadoc comment lines | |
| ELOC | 239.00 | Effective lines of code | |
| EXEC_COMMENTS | 17.00 | Comments in executable code | |
| EXITS | 56.00 | Procedure exits | |
| FUNCTIONS | 24.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 63.17 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 78.00 | 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 | 12.00 | 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 | 0.00 | 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 | 2.00 | 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 | 0.00 | 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 | 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 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 1.00 | 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 | 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 | 8.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 734.00 | 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 | 1.00 | 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 | 2.00 | 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 | 1.00 | 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 | 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 | 4.00 | 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 | 464.00 | Number of lines in the source file | |
| LINE_COMMENT | 29.00 | Number of line comments | |
| LOC | 290.00 | Lines of code | |
| LOGICAL_LINES | 142.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 791.00 | Number of operands | |
| OPERATORS | 1465.00 | Number of operators | |
| PARAMS | 33.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2256.00 | Halstead program length | |
| PROGRAM_VOCAB | 334.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 45.00 | Number of return points from functions | |
| SIZE | 18023.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 288.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 46.00 | Number of unique operators | |
| WHITESPACE | 53.00 | Number of whitespace lines | |