AnalysisContext.java

Index Score
edu.umd.cs.findbugs.ba
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.

MetricDescription
DECL_COMMENTSComments in declarations
JAVA0034JAVA0034 Missing braces in if statement
LINE_COMMENTNumber of line comments
FUNCTIONSNumber of function declarations
COMMENTSComment lines
DOC_COMMENTNumber of javadoc comment lines
SIZESize of the file in bytes
JAVA0117JAVA0117 Missing javadoc: method 'method'
RETURNSNumber of return points from functions
UNIQUE_OPERANDSNumber of unique operands
JAVA0116JAVA0116 Missing javadoc: field 'field'
JAVA0068JAVA0068 Modifiers not declared in recommended order
PROGRAM_VOCABHalstead program vocabulary
INTERFACE_COMPLEXITYInterface complexity
LINESNumber of lines in the source file
JAVA0110JAVA0110 Incorrect javadoc: no @return tag
JAVA0266JAVA0266 Use of System.out
JAVA0144JAVA0144 Line exceeds maximum M characters
EXITSProcedure exits
JAVA0108JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
CYCLOMATICCyclomatic complexity
LOGICAL_LINESNumber of statements
PROGRAM_LENGTHHalstead program length
OPERANDSNumber of operands
OPERATORSNumber of operators
PARAMSNumber of formal parameter declarations
ELOCEffective lines of code
LOCLines of code
PROGRAM_VOLUMEHalstead program volume
JAVA0136JAVA0136 N methods defined in class (maximum: M)
JAVA0126JAVA0126 Method declares unchecked exception in throws
JAVA0030JAVA0030 Private field not used
EXEC_COMMENTSComments in executable code
LOOPSNumber of loops
JAVA0130JAVA0130 Non-static method does not use instance fields
UNIQUE_OPERATORSNumber of unique operators
/* * Bytecode Analysis Framework * Copyright (C) 2003-2006 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.ba; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.util.BitSet; import java.util.Collection; import java.util.List; import net.jcip.annotations.NotThreadSafe; import org.apache.bcel.Repository; import org.apache.bcel.classfile.JavaClass; import edu.umd.cs.findbugs.AbstractBugReporter; import edu.umd.cs.findbugs.AnalysisLocal; import edu.umd.cs.findbugs.SourceLineAnnotation; import edu.umd.cs.findbugs.SystemProperties; import edu.umd.cs.findbugs.annotations.NonNull; //import edu.umd.cs.findbugs.ba.ch.Subtypes; import edu.umd.cs.findbugs.ba.ch.Subtypes2; import edu.umd.cs.findbugs.ba.interproc.PropertyDatabase; import edu.umd.cs.findbugs.ba.interproc.PropertyDatabaseFormatException; import edu.umd.cs.findbugs.ba.jsr305.DirectlyRelevantTypeQualifiersDatabase; import edu.umd.cs.findbugs.ba.npe.ParameterNullnessPropertyDatabase; import edu.umd.cs.findbugs.ba.npe.ReturnValueNullnessPropertyDatabase; import edu.umd.cs.findbugs.ba.type.FieldStoreTypeDatabase; import edu.umd.cs.findbugs.classfile.CheckedAnalysisException; import edu.umd.cs.findbugs.classfile.ClassDescriptor; import edu.umd.cs.findbugs.classfile.DescriptorFactory; import edu.umd.cs.findbugs.classfile.FieldOrMethodDescriptor; import edu.umd.cs.findbugs.classfile.Global; import edu.umd.cs.findbugs.classfile.IAnalysisCache; import edu.umd.cs.findbugs.classfile.analysis.ClassData; import edu.umd.cs.findbugs.detect.UnreadFields; import edu.umd.cs.findbugs.internalAnnotations.DottedClassName; /** * A context for analysis of a complete project. * This serves as the repository for whole-program information * and data structures. * * <p> * <b>NOTE</b>: this class is slated to become obsolete. * New code should use the IAnalysisCache object * returned by Global.getAnalysisCache() to access all analysis * information (global databases, class and method analyses, etc.) * </p> * * @author David Hovemeyer * @see edu.umd.cs.findbugs.classfile.IAnalysisCache * @see edu.umd.cs.findbugs.classfile.Global */ @NotThreadSafe public abstract class AnalysisContext { public static final boolean DEBUG = SystemProperties.getBoolean("findbugs.analysiscontext.debug"); public static final boolean IGNORE_BUILTIN_MODELS = SystemProperties.getBoolean("findbugs.ignoreBuiltinModels"); public static final String DEFAULT_NONNULL_PARAM_DATABASE_FILENAME = "nonnullParam.db"; public static final String DEFAULT_CHECK_FOR_NULL_PARAM_DATABASE_FILENAME = "checkForNullParam.db"; public static final String DEFAULT_NULL_RETURN_VALUE_ANNOTATION_DATABASE = "nullReturn.db"; public static final String UNCONDITIONAL_DEREF_DB_FILENAME = "unconditionalDeref.db"; public static final String NONNULL_RETURN_DB_FILENAME = "nonnullReturn.db"; public static final String UNCONDITIONAL_DEREF_DB_RESOURCE = "jdkBaseUnconditionalDeref.db"; public static final String NONNULL_RETURN_DB_RESOURCE = "jdkBaseNonnullReturn.db"; public static final String DEFAULT_NULL_RETURN_VALUE_DB_FILENAME = "mayReturnNull.db"; private static InheritableThreadLocal<AnalysisContext> currentAnalysisContext = new InheritableThreadLocal<AnalysisContext>() { @Override public AnalysisContext initialValue() { // throw new IllegalStateException("currentAnalysisContext should be set by AnalysisContext.setCurrentAnalysisContext"); return null; } }; private static AnalysisLocal<XFactory> currentXFactory = new AnalysisLocal<XFactory>() { @Override public XFactory initialValue() { throw new IllegalStateException("currentXFactory should be set by AnalysisContext.setCurrentAnalysisContext"); } }; public abstract INullnessAnnotationDatabase getNullnessAnnotationDatabase(); public abstract CheckReturnAnnotationDatabase getCheckReturnAnnotationDatabase(); public abstract AnnotationRetentionDatabase getAnnotationRetentionDatabase(); public abstract JCIPAnnotationDatabase getJCIPAnnotationDatabase(); /** save the original SyntheticRepository so we may * obtain JavaClass objects which we can reuse. * (A URLClassPathRepository gets closed after analysis.) */ private static final org.apache.bcel.util.Repository originalRepository = Repository.getRepository(); // BCEL SyntheticRepository /** * Default maximum number of ClassContext objects to cache. * FIXME: need to evaluate this parameter. Need to keep stats about accesses. */ private static final int DEFAULT_CACHE_SIZE = 3; // Instance fields private BitSet boolPropertySet; private String databaseInputDir; private String databaseOutputDir; protected AnalysisContext() { this.boolPropertySet = new BitSet(); } private void clear() { boolPropertySet = null; databaseInputDir = null; databaseOutputDir = null; } // /** // * Create a new AnalysisContext. // * // * @param lookupFailureCallback the RepositoryLookupFailureCallback that // * the AnalysisContext should use to report errors // * @return a new AnalysisContext // */ // public static AnalysisContext create(RepositoryLookupFailureCallback lookupFailureCallback) { // AnalysisContext analysisContext = new LegacyAnalysisContext(lookupFailureCallback); // setCurrentAnalysisContext(analysisContext); // return analysisContext; // } /** Instantiate the CheckReturnAnnotationDatabase. * Do this after the repository has been set up. */ public abstract void initDatabases(); /** * After a pass has been completed, allow the analysis context to update information. * @param pass -- the first pass is pass 0 */ public abstract void updateDatabases(int pass); /** * Get the AnalysisContext associated with this thread */ static public AnalysisContext currentAnalysisContext() { return currentAnalysisContext.get(); } static public XFactory currentXFactory() { return currentXFactory.get(); } FieldSummary fieldSummary; public FieldSummary getFieldSummary() { if (fieldSummary == null) throw new IllegalStateException("FieldSummary detector not set"); return fieldSummary; } public void setFieldSummary(@NonNull FieldSummary fieldSummary) { if (this.fieldSummary != null) throw new IllegalStateException("FieldSummary detector already set"); this.fieldSummary = fieldSummary; } UnreadFields unreadFields; public UnreadFields getUnreadFields() { if (unreadFields == null) throw new IllegalStateException("UnreadFields detector not set"); return unreadFields; } public void setUnreadFields(@NonNull UnreadFields unreadFields) { if (this.unreadFields != null) throw new IllegalStateException("UnreadFields detector already set"); this.unreadFields = unreadFields; } /* private DirectlyRelevantTypeQualifiersDatabase directlyRelevantTypeQualifiersDatabase; public DirectlyRelevantTypeQualifiersDatabase getDirectlyRelevantTypeQualifiersDatabase() { if (directlyRelevantTypeQualifiersDatabase == null) throw new IllegalStateException("DirectlyRelevantTypeQualifiersDatabase not set"); return directlyRelevantTypeQualifiersDatabase; } public void setDirectlyRelevantTypeQualifiersDatabase(@NonNull DirectlyRelevantTypeQualifiersDatabase directlyRelevantTypeQualifiersDatabase) { if (this.directlyRelevantTypeQualifiersDatabase != null) throw new IllegalStateException("DirectlyRelevantTypeQualifiersDatabase already set"); this.directlyRelevantTypeQualifiersDatabase = directlyRelevantTypeQualifiersDatabase; } */ public abstract DirectlyRelevantTypeQualifiersDatabase getDirectlyRelevantTypeQualifiersDatabase(); /** * file a ClassNotFoundException with the lookupFailureCallback * @see #getLookupFailureCallback() */ static public void reportMissingClass(ClassNotFoundException e) { if (e == null) throw new NullPointerException("argument is null"); String missing = AbstractBugReporter.getMissingClassName(e); if (missing.length() == 0) { // AnalysisContext.logError("Empty missing class name", new RuntimeException(e)); return; } if (missing.charAt(0) == '[') return; if (missing.endsWith("package-info")) return; AnalysisContext currentAnalysisContext2 = currentAnalysisContext(); if (currentAnalysisContext2 == null) return; if (currentAnalysisContext2.missingClassWarningsSuppressed) return; RepositoryLookupFailureCallback lookupFailureCallback = currentAnalysisContext2.getLookupFailureCallback(); if (lookupFailureCallback != null) lookupFailureCallback.reportMissingClass(e); } /** * Report an error */ static public void logError(String msg, Exception e) { if (e instanceof MissingClassException) { reportMissingClass(((MissingClassException)e).getClassNotFoundException()); return; } if (e instanceof edu.umd.cs.findbugs.classfile.MissingClassException) { reportMissingClass(((edu.umd.cs.findbugs.classfile.MissingClassException)e).toClassNotFoundException()); return; } AnalysisContext currentAnalysisContext2 = currentAnalysisContext(); if (currentAnalysisContext2 == null) return; RepositoryLookupFailureCallback lookupFailureCallback = currentAnalysisContext2.getLookupFailureCallback(); if (lookupFailureCallback != null) lookupFailureCallback.logError(msg, e); } /** * Report an error */ static public void logError(String msg) { AnalysisContext currentAnalysisContext2 = currentAnalysisContext(); if (currentAnalysisContext2 == null) return; RepositoryLookupFailureCallback lookupFailureCallback = currentAnalysisContext2.getLookupFailureCallback(); if (lookupFailureCallback != null) lookupFailureCallback.logError(msg); } boolean missingClassWarningsSuppressed = false; public boolean setMissingClassWarningsSuppressed(boolean value) { boolean oldValue = missingClassWarningsSuppressed; missingClassWarningsSuppressed = value; return oldValue; } /** * Get the lookup failure callback. */ public abstract RepositoryLookupFailureCallback getLookupFailureCallback(); /** * Set the source path. */ public final void setSourcePath(List<String> sourcePath) { getSourceFinder().setSourceBaseList(sourcePath); } /** * Get the SourceFinder, for finding source files. */ public abstract SourceFinder getSourceFinder(); // /** // * Get the Subtypes database. // * // * @return the Subtypes database // */ // @Deprecated // use Subtypes2 instead // public abstract Subtypes getSubtypes(); /** * Clear the BCEL Repository in preparation for analysis. */ public abstract void clearRepository(); /** * Clear the ClassContext cache. * This should be done between analysis passes. */ public abstract void clearClassContextCache(); /** * Add an entry to the Repository's classpath. * * @param url the classpath entry URL * @throws IOException */ public abstract void addClasspathEntry(String url) throws IOException; // /** // * Add an application class to the repository. // * // * @param appClass the application class // */ // public abstract void addApplicationClassToRepository(JavaClass appClass); /** * Return whether or not the given class is an application class. * * @param cls the class to lookup * @return true if the class is an application class, false if not * an application class or if the class cannot be located */ public boolean isApplicationClass(JavaClass cls) { //return getSubtypes().isApplicationClass(cls); return getSubtypes2().isApplicationClass(DescriptorFactory.createClassDescriptor(cls)); } /** * Return whether or not the given class is an application class. * * @param className name of a class * @return true if the class is an application class, false if not * an application class or if the class cannot be located */ public boolean isApplicationClass(@DottedClassName String className) { // try { // JavaClass javaClass = lookupClass(className); // return isApplicationClass(javaClass); // } catch (ClassNotFoundException e) { // AnalysisContext.reportMissingClass(e); // return false; // } ClassDescriptor classDesc = DescriptorFactory.createClassDescriptorFromDottedClassName(className); return getSubtypes2().isApplicationClass(classDesc); } public boolean isApplicationClass(ClassDescriptor desc) { return getSubtypes2().isApplicationClass(desc); } public boolean isTooBig(ClassDescriptor desc) { IAnalysisCache analysisCache = Global.getAnalysisCache(); try { ClassContext classContext = analysisCache.getClassAnalysis(ClassContext.class, desc); ClassData classData = analysisCache.getClassAnalysis(ClassData.class, desc); JavaClass javaClass = classContext.getJavaClass(); if (classData.getData().length > 1000000 && javaClass.getMethods().length > 1000) return true; } catch (CheckedAnalysisException e) { AnalysisContext.logError("Could not get class context", e); } return false; } /** * Lookup a class. * <em>Use this method instead of Repository.lookupClass().</em> * * @param className the name of the class * @return the JavaClass representing the class * @throws ClassNotFoundException (but not really) */ public abstract JavaClass lookupClass(@NonNull @DottedClassName String className) throws ClassNotFoundException; /** * Lookup a class. * <em>Use this method instead of Repository.lookupClass().</em> * * @param classDescriptor descriptor specifying the class to look up * @return the class * @throws ClassNotFoundException if the class can't be found */ public JavaClass lookupClass(@NonNull ClassDescriptor classDescriptor) throws ClassNotFoundException { return lookupClass(classDescriptor.toDottedClassName()); } /** * This is equivalent to Repository.lookupClass() or this.lookupClass(), * except it uses the original Repository instead of the current one. * * This can be important because URLClassPathRepository objects are * closed after an analysis, so JavaClass objects obtained from them * are no good on subsequent runs. * * @param className the name of the class * @return the JavaClass representing the class * @throws ClassNotFoundException */ public static JavaClass lookupSystemClass(@NonNull String className) throws ClassNotFoundException { // TODO: eventually we should move to our own thread-safe repository implementation if (className == null) throw new IllegalArgumentException("className is null"); if (originalRepository == null) throw new IllegalStateException("originalRepository is null"); JavaClass clazz = originalRepository.findClass(className); return (clazz==null ? originalRepository.loadClass(className) : clazz); } /** * Lookup a class's source file * * @param dottedClassName the name of the class * @return the source file for the class, or {@link SourceLineAnnotation#UNKNOWN_SOURCE_FILE} if unable to determine */ public final String lookupSourceFile(@NonNull @DottedClassName String dottedClassName) { if (dottedClassName == null) throw new IllegalArgumentException("className is null"); try { XClass xClass = Global.getAnalysisCache().getClassAnalysis(XClass.class, DescriptorFactory.createClassDescriptorFromDottedClassName(dottedClassName)); String name = xClass.getSource(); if (name == null) { return SourceLineAnnotation.UNKNOWN_SOURCE_FILE; } return name; } catch (CheckedAnalysisException e) { return SourceLineAnnotation.UNKNOWN_SOURCE_FILE; } } /** * Get the ClassContext for a class. * * @param javaClass the class * @return the ClassContext for that class */ public abstract ClassContext getClassContext(JavaClass javaClass); /** * Get stats about hit rate for ClassContext cache. * * @return stats about hit rate for ClassContext cache */ public abstract String getClassContextStats(); /** * If possible, load interprocedural property databases. */ public final void loadInterproceduralDatabases() { loadPropertyDatabase( getFieldStoreTypeDatabase(), FieldStoreTypeDatabase.DEFAULT_FILENAME, "field store type database"); loadPropertyDatabase( getUnconditionalDerefParamDatabase(), UNCONDITIONAL_DEREF_DB_FILENAME, "unconditional param deref database"); loadPropertyDatabase( getReturnValueNullnessPropertyDatabase(), NONNULL_RETURN_DB_FILENAME, "nonnull return db database"); } /** * If possible, load default (built-in) interprocedural property databases. * These are the databases for things like Java core APIs that * unconditional dereference parameters. */ public final void loadDefaultInterproceduralDatabases() { if (IGNORE_BUILTIN_MODELS) return; loadPropertyDatabaseFromResource( getUnconditionalDerefParamDatabase(), UNCONDITIONAL_DEREF_DB_RESOURCE, "unconditional param deref database"); loadPropertyDatabaseFromResource( getReturnValueNullnessPropertyDatabase(), NONNULL_RETURN_DB_RESOURCE, "nonnull return db database"); } /** * Set a boolean property. * * @param prop the property to set * @param value the value of the property */ public final void setBoolProperty(int prop, boolean value) { boolPropertySet.set(prop, value); } /** * Get a boolean property. * * @param prop the property * @return value of the property; defaults to false if the property * has not had a value assigned explicitly */ public final boolean getBoolProperty(int prop) { return boolPropertySet.get(prop); } /** * Get the SourceInfoMap. */ public abstract SourceInfoMap getSourceInfoMap(); /** * Set the interprocedural database input directory. * * @param databaseInputDir the interprocedural database input directory */ public final void setDatabaseInputDir(String databaseInputDir) { if (DEBUG) System.out.println("Setting database input directory: " + databaseInputDir); this.databaseInputDir = databaseInputDir; } /** * Get the interprocedural database input directory. * * @return the interprocedural database input directory */ public final String getDatabaseInputDir() { return databaseInputDir; } /** * Set the interprocedural database output directory. * * @param databaseOutputDir the interprocedural database output directory */ public final void setDatabaseOutputDir(String databaseOutputDir) { if (DEBUG) System.out.println("Setting database output directory: " + databaseOutputDir); this.databaseOutputDir = databaseOutputDir; } /** * Get the interprocedural database output directory. * * @return the interprocedural database output directory */ public final String getDatabaseOutputDir() { return databaseOutputDir; } /** * Get the property database recording the types of values stored * into fields. * * @return the database, or null if there is no database available */ public abstract FieldStoreTypeDatabase getFieldStoreTypeDatabase(); /** * Get the property database recording which methods unconditionally * dereference parameters. * * @return the database, or null if there is no database available */ public abstract ParameterNullnessPropertyDatabase getUnconditionalDerefParamDatabase(); /** * Get the property database recording which methods always return nonnull values * * @return the database, or null if there is no database available */ public abstract ReturnValueNullnessPropertyDatabase getReturnValueNullnessPropertyDatabase(); /** * Load an interprocedural property database. * * @param <DatabaseType> actual type of the database * @param <KeyType> type of key (e.g., method or field) * @param <Property> type of properties stored in the database * @param database the empty database object * @param fileName file to load database from * @param description description of the database (for diagnostics) * @return the database object, or null if the database couldn't be loaded */ public< DatabaseType extends PropertyDatabase<KeyType,Property>, KeyType extends FieldOrMethodDescriptor, Property > DatabaseType loadPropertyDatabase( DatabaseType database, String fileName, String description) { try { File dbFile = new File(getDatabaseInputDir(), fileName); if (DEBUG) System.out.println("Loading " + description + " from " + dbFile.getPath() + "..."); database.readFromFile(dbFile.getPath()); return database; } catch (IOException e) { getLookupFailureCallback().logError("Error loading " + description, e); } catch (PropertyDatabaseFormatException e) { getLookupFailureCallback().logError("Invalid " + description, e); } return null; } /** * Load an interprocedural property database. * * @param <DatabaseType> actual type of the database * @param <KeyType> type of key (e.g., method or field) * @param <Property> type of properties stored in the database * @param database the empty database object * @param resourceName name of resource to load the database from * @param description description of the database (for diagnostics) * @return the database object, or null if the database couldn't be loaded */ public< DatabaseType extends PropertyDatabase<KeyType,Property>, KeyType extends FieldOrMethodDescriptor, Property > DatabaseType loadPropertyDatabaseFromResource( DatabaseType database, String resourceName, String description) { try { if (DEBUG) System.out.println("Loading default " + description + " from " + resourceName + " @ " + PropertyDatabase.class.getResource(resourceName) + " ... "); InputStream in = PropertyDatabase.class.getResourceAsStream(resourceName); database.read(in); in.close(); return database; } catch (IOException e) { getLookupFailureCallback().logError("Error loading " + description, e); } catch (PropertyDatabaseFormatException e) { getLookupFailureCallback().logError("Invalid " + description, e); } return null; } /** * Write an interprocedural property database. * * @param <DatabaseType> actual type of the database * @param <KeyType> type of key (e.g., method or field) * @param <Property> type of properties stored in the database * @param database the database * @param fileName name of database file * @param description description of the database */ public< DatabaseType extends PropertyDatabase<KeyType,Property>, KeyType extends FieldOrMethodDescriptor, Property > void storePropertyDatabase(DatabaseType database, String fileName, String description) { try { File dbFile = new File(getDatabaseOutputDir(), fileName); if (DEBUG) System.out.println("Writing " + description + " to " + dbFile.getPath() + "..."); database.writeToFile(dbFile.getPath()); } catch (IOException e) { getLookupFailureCallback().logError("Error writing " + description, e); } } public abstract InnerClassAccessMap getInnerClassAccessMap(); /** * Set the current analysis context for this thread. * * @param analysisContext the current analysis context for this thread */ public static void setCurrentAnalysisContext(AnalysisContext analysisContext) { currentAnalysisContext.set(analysisContext); currentXFactory.set(new XFactory()); } public static void removeCurrentAnalysisContext() { AnalysisContext context = currentAnalysisContext(); if (context != null) context.clear(); currentAnalysisContext.remove(); } /** * Get the Subtypes2 inheritance hierarchy database. */ public abstract Subtypes2 getSubtypes2(); /** * Get Collection of all XClass objects seen so far. * * @return Collection of all XClass objects seen so far */ public Collection<XClass> getXClassCollection() { return getSubtypes2().getXClassCollection(); } } // vim:ts=4

The table below shows all metrics for AnalysisContext.java.

MetricValueDescription
BLOCKS52.00Number of blocks
BLOCK_COMMENT29.00Number of block comment lines
COMMENTS298.00Comment lines
COMMENT_DENSITY 1.09Comment density
COMPARISONS26.00Number of comparison operators
CYCLOMATIC74.00Cyclomatic complexity
DECL_COMMENTS71.00Comments in declarations
DOC_COMMENT230.00Number of javadoc comment lines
ELOC273.00Effective lines of code
EXEC_COMMENTS11.00Comments in executable code
EXITS60.00Procedure exits
FUNCTIONS57.00Number of function declarations
HALSTEAD_DIFFICULTY50.83Halstead difficulty
HALSTEAD_EFFORT 0.00Halstead effort
INTERFACE_COMPLEXITY95.00Interface 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 0.00JAVA0005 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 1.00JAVA0030 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
JAVA003425.00JAVA0034 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 5.00JAVA0068 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
JAVA0108 5.00JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0109 0.00JAVA0109 Incorrect javadoc: no parameter 'parameter'
JAVA0110 5.00JAVA0110 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'
JAVA011610.00JAVA0116 Missing javadoc: field 'field'
JAVA011716.00JAVA0117 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 1.00JAVA0130 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 4.00JAVA0144 Line exceeds maximum M characters
JAVA0145823.00JAVA0145 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 5.00JAVA0266 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
LINES704.00Number of lines in the source file
LINE_COMMENT39.00Number of line comments
LOC319.00Lines of code
LOGICAL_LINES175.00Number of statements
LOOPS 0.00Number of loops
NEST_DEPTH 3.00Maximum nesting depth
OPERANDS789.00Number of operands
OPERATORS1456.00Number of operators
PARAMS34.00Number of formal parameter declarations
PROGRAM_LENGTH2245.00Halstead program length
PROGRAM_VOCAB368.00Halstead program vocabulary
PROGRAM_VOLUME 0.00Halstead program volume
RETURNS61.00Number of return points from functions
SIZE25334.00Size of the file in bytes
UNIQUE_OPERANDS326.00Number of unique operands
UNIQUE_OPERATORS42.00Number of unique operators
WHITESPACE87.00Number of whitespace lines