ClassFinder.java
| Index Score | ||
|---|---|---|
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org.apache.jorphan.reflect |
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JMeter |
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 | |
|---|---|---|
| LINE_COMMENT | Number of line comments |  |
| DECL_COMMENTS | Comments in declarations | |
| LOOPS | Number of loops | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| SIZE | Size of the file in bytes | |
| EXITS | Procedure exits | |
| COMPARISONS | Number of comparison operators | |
| COMMENTS | Comment lines | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PARAMS | Number of formal parameter declarations | |
| BLOCK_COMMENT | Number of block comment lines | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| UNIQUE_OPERATORS | Number of unique operators | |
| UNIQUE_OPERANDS | Number of unique operands | |
| CYCLOMATIC | Cyclomatic complexity | |
| BLOCKS | Number of blocks | |
| WHITESPACE | Number of whitespace lines | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.jorphan.reflect;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
import java.util.zip.ZipFile;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.jorphan.util.JOrphanUtils;
import org.apache.log.Logger;
/**
* This class finds classes that extend one of a set of parent classes
*
*/
public final class ClassFinder {
private static final Logger log = LoggingManager.getLoggerForClass();
private static final String DOT_JAR = ".jar"; // $NON-NLS-1$
private static final String DOT_CLASS = ".class"; // $NON-NLS-1$
private static final int DOT_CLASS_LEN = DOT_CLASS.length();
// static only
private ClassFinder() {
}
/**
* Filter updates to TreeSet by only storing classes
* that extend one of the parent classes
*
*
*/
private static class FilterTreeSet extends TreeSet{
private final Class[] parents; // parent classes to check
private final boolean inner; // are inner classes OK?
// hack to reduce the need to load every class in non-GUI mode, which only needs functions
// TODO perhaps use BCEL to scan class files instead?
private final String contains; // class name should contain this string
private final String notContains; // class name should not contain this string
private final transient ClassLoader contextClassLoader
= Thread.currentThread().getContextClassLoader(); // Potentially expensive; do it once
FilterTreeSet(Class []parents, boolean inner, String contains, String notContains){
super();
this.parents=parents;
this.inner=inner;
this.contains=contains;
this.notContains=notContains;
}
/**
* Override the superclass so we only add classnames that
* meet the criteria.
*
* @param o - classname (must be a String)
* @return true if it is a new entry
*
* @see java.util.TreeSet#add(java.lang.Object)
*/
public boolean add(Object o){
if (contains(o)) {
return false;// No need to check it again
}
String s = (String) o;// we only expect Strings
if (contains!=null && s.indexOf(contains) == -1){
return false; // It does not contain a required string
}
if (notContains!=null && s.indexOf(notContains) != -1){
return false; // It contains a banned string
}
if ((s.indexOf("$") == -1) || inner) { // $NON-NLS-1$
if (isChildOf(parents,s, contextClassLoader)) {
return super.add(s);
}
}
return false;
}
}
/**
* Convenience method for
* <code>findClassesThatExtend(Class[], boolean)</code>
* with the option to include inner classes in the search set to false.
*
* @return List containing discovered classes.
*/
public static List findClassesThatExtend(String[] paths, Class[] superClasses)
throws IOException {
return findClassesThatExtend(paths, superClasses, false);
}
// For each directory in the search path, add all the jars found there
private static String[] addJarsInPath(String[] paths) {
Set fullList = new HashSet();
for (int i = 0; i < paths.length; i++) {
final String path = paths[i];
fullList.add(path); // Keep the unexpanded path
// TODO - allow directories to end with .jar by removing this check?
if (!path.endsWith(DOT_JAR)) {
File dir = new File(path);
if (dir.exists() && dir.isDirectory()) {
String[] jars = dir.list(new FilenameFilter() {
public boolean accept(File f, String name) {
return name.endsWith(DOT_JAR);
}
});
for (int x = 0; x < jars.length; x++) {
fullList.add(jars[x]);
}
}
}
}
return (String[]) fullList.toArray(new String[0]);
}
/**
* Find classes in the provided path(s)/jar(s) that extend the class(es).
* @param strPathsOrJars - pathnames or jarfiles to search for classes
* @param superClasses - required parent class(es)
* @param innerClasses - should we include inner classes?
*
* @return List containing discovered classes
*/
public static List findClassesThatExtend(String[] strPathsOrJars,
final Class[] superClasses, final boolean innerClasses)
throws IOException {
return findClassesThatExtend(strPathsOrJars,superClasses,innerClasses,null,null);
}
/**
* Find classes in the provided path(s)/jar(s) that extend the class(es).
* @param strPathsOrJars - pathnames or jarfiles to search for classes
* @param superClasses - required parent class(es)
* @param innerClasses - should we include inner classes?
* @param contains - classname should contain this string
* @param notContains - classname should not contain this string
*
* @return List containing discovered classes
*/
public static List findClassesThatExtend(String[] strPathsOrJars,
final Class[] superClasses, final boolean innerClasses,
String contains, String notContains)
throws IOException {
if (log.isDebugEnabled()) {
for (int i = 0; i < superClasses.length ; i++){
log.debug("superclass: "+superClasses[i].getName());
}
}
// Find all jars in the search path
strPathsOrJars = addJarsInPath(strPathsOrJars);
for (int k = 0; k < strPathsOrJars.length; k++) {
strPathsOrJars[k] = fixPathEntry(strPathsOrJars[k]);
if (log.isDebugEnabled()) {
log.debug("strPathsOrJars : " + strPathsOrJars[k]);
}
}
// Now eliminate any classpath entries that do not "match" the search
List listPaths = getClasspathMatches(strPathsOrJars);
if (log.isDebugEnabled()) {
Iterator tIter = listPaths.iterator();
while (tIter.hasNext()) {
log.debug("listPaths : " + tIter.next());
}
}
Set listClasses = new FilterTreeSet(superClasses, innerClasses, contains, notContains);
// first get all the classes
findClassesInPaths(listPaths, listClasses);
if (log.isDebugEnabled()) {
log.debug("listClasses.size()="+listClasses.size());
Iterator tIter = listClasses.iterator();
while (tIter.hasNext()) {
log.debug("listClasses : " + tIter.next());
}
}
// // Now keep only the required classes
// Set subClassList = findAllSubclasses(superClasses, listClasses, innerClasses);
// if (log.isDebugEnabled()) {
// log.debug("subClassList.size()="+subClassList.size());
// Iterator tIter = subClassList.iterator();
// while (tIter.hasNext()) {
// log.debug("subClassList : " + tIter.next());
// }
// }
return new ArrayList(listClasses);//subClassList);
}
/*
* Returns the classpath entries that match the search list of jars and paths
*/
private static List getClasspathMatches(String[] strPathsOrJars) {
log.debug("Classpath = " + System.getProperty("java.class.path")); // $NON-NLS-1$
StringTokenizer stPaths =
new StringTokenizer(System.getProperty("java.class.path"), // $NON-NLS-1$
System.getProperty("path.separator")); // $NON-NLS-1$
if (log.isDebugEnabled()) {
for (int i = 0; i < strPathsOrJars.length; i++) {
log.debug("strPathsOrJars[" + i + "] : " + strPathsOrJars[i]);
}
}
// find all jar files or paths that end with strPathOrJar
ArrayList listPaths = new ArrayList();
String strPath = null;
while (stPaths.hasMoreTokens()) {
strPath = fixPathEntry(stPaths.nextToken());
if (strPathsOrJars == null) {
log.debug("Adding: " + strPath);
listPaths.add(strPath);
} else {
boolean found = false;
for (int i = 0; i < strPathsOrJars.length; i++) {
if (strPath.endsWith(strPathsOrJars[i])) {
found = true;
log.debug("Adding " + strPath + " found at " + i);
listPaths.add(strPath);
break;// no need to look further
}
}
if (!found) {
log.debug("Did not find: " + strPath);
}
}
}
return listPaths;
}
/**
* Fix a path:
* - replace "." by current directory
* - trim any trailing spaces
* - replace \ by /
* - replace // by /
* - remove all trailing /
*/
private static String fixPathEntry(String path){
if (path == null ) {
return null;
}
if (path.equals(".")) { // $NON-NLS-1$
return System.getProperty("user.dir"); // $NON-NLS-1$
}
path = path.trim().replace('\\', '/'); // $NON-NLS-1$ // $NON-NLS-2$
path = JOrphanUtils.substitute(path, "//", "/"); // $NON-NLS-1$// $NON-NLS-2$
while (path.endsWith("/")) { // $NON-NLS-1$
path = path.substring(0, path.length() - 1);
}
return path;
}
/*
* NOTUSED * Determine if the class implements the interface.
*
* @param theClass
* the class to check
* @param theInterface
* the interface to look for
* @return boolean true if it implements
*
* private static boolean classImplementsInterface( Class theClass, Class
* theInterface) { HashMap mapInterfaces = new HashMap(); String strKey =
* null; // pass in the map by reference since the method is recursive
* getAllInterfaces(theClass, mapInterfaces); Iterator iterInterfaces =
* mapInterfaces.keySet().iterator(); while (iterInterfaces.hasNext()) {
* strKey = (String) iterInterfaces.next(); if (mapInterfaces.get(strKey) ==
* theInterface) { return true; } } return false; }
*/
/*
* Finds all classes that extend the classes in the listSuperClasses
* ArrayList, searching in the listAllClasses ArrayList.
*
* @param superClasses
* the base classes to find subclasses for
* @param listAllClasses
* the collection of classes to search in
* @param innerClasses
* indicate whether to include inner classes in the search
* @return ArrayList of the subclasses
*/
// private static Set findAllSubclasses(Class []superClasses, Set listAllClasses, boolean innerClasses) {
// Set listSubClasses = new TreeSet();
// for (int i=0; i< superClasses.length; i++) {
// findAllSubclassesOneClass(superClasses[i], listAllClasses, listSubClasses, innerClasses);
// }
// return listSubClasses;
// }
/*
* Finds all classes that extend the class, searching in the listAllClasses
* ArrayList.
*
* @param theClass
* the parent class
* @param listAllClasses
* the collection of classes to search in
* @param listSubClasses
* the collection of discovered subclasses
* @param innerClasses
* indicates whether inners classes should be included in the
* search
*/
// private static void findAllSubclassesOneClass(Class theClass, Set listAllClasses, Set listSubClasses,
// boolean innerClasses) {
// Iterator iterClasses = listAllClasses.iterator();
// while (iterClasses.hasNext()) {
// String strClassName = (String) iterClasses.next();
// // only check classes if they are not inner classes
// // or we intend to check for inner classes
// if ((strClassName.indexOf("$") == -1) || innerClasses) { // $NON-NLS-1$
// // might throw an exception, assume this is ignorable
// try {
// Class c = Class.forName(strClassName, false, Thread.currentThread().getContextClassLoader());
//
// if (!c.isInterface() && !Modifier.isAbstract(c.getModifiers())) {
// if(theClass.isAssignableFrom(c)){
// listSubClasses.add(strClassName);
// }
// }
// } catch (Throwable ignored) {
// log.debug(ignored.getLocalizedMessage());
// }
// }
// }
// }
/**
*
* @param parentClasses list of classes to check for
* @param strClassName name of class to be checked
* @param innerClasses should we allow inner classes?
* @param contextClassLoader the classloader to use
* @return
*/
private static boolean isChildOf(Class [] parentClasses, String strClassName,
ClassLoader contextClassLoader){
// might throw an exception, assume this is ignorable
try {
Class c = Class.forName(strClassName, false, contextClassLoader);
if (!c.isInterface() && !Modifier.isAbstract(c.getModifiers())) {
for (int i=0; i< parentClasses.length; i++) {
if(parentClasses[i].isAssignableFrom(c)){
return true;
}
}
}
} catch (Throwable ignored) {
log.debug(ignored.getLocalizedMessage());
}
return false;
}
/*
* Converts a class file from the text stored in a Jar file to a version
* that can be used in Class.forName().
*
* @param strClassName
* the class name from a Jar file
* @return String the Java-style dotted version of the name
*/
private static String fixClassName(String strClassName) {
strClassName = strClassName.replace('\\', '.'); // $NON-NLS-1$ // $NON-NLS-2$
strClassName = strClassName.replace('/', '.'); // $NON-NLS-1$ // $NON-NLS-2$
// remove ".class"
strClassName = strClassName.substring(0, strClassName.length() - DOT_CLASS_LEN);
return strClassName;
}
private static void findClassesInOnePath(String strPath, Set listClasses) throws IOException {
File file = new File(strPath);
if (file.isDirectory()) {
findClassesInPathsDir(strPath, file, listClasses);
} else if (file.exists()) {
ZipFile zipFile = new ZipFile(file);
Enumeration entries = zipFile.entries();
while (entries.hasMoreElements()) {
String strEntry = entries.nextElement().toString();
if (strEntry.endsWith(DOT_CLASS)) {
listClasses.add(fixClassName(strEntry));
}
}
}
}
private static void findClassesInPaths(List listPaths, Set listClasses) throws IOException {
Iterator iterPaths = listPaths.iterator();
while (iterPaths.hasNext()) {
findClassesInOnePath((String) iterPaths.next(), listClasses);
}
}
private static void findClassesInPathsDir(String strPathElement, File dir, Set listClasses) throws IOException {
String[] list = dir.list();
for (int i = 0; i < list.length; i++) {
File file = new File(dir, list[i]);
if (file.isDirectory()) {
// Recursive call
findClassesInPathsDir(strPathElement, file, listClasses);
} else if (list[i].endsWith(DOT_CLASS) && file.exists() && (file.length() != 0)) {
final String path = file.getPath();
listClasses.add(path.substring(strPathElement.length() + 1,
path.lastIndexOf(".")) // $NON-NLS-1$
.replace(File.separator.charAt(0), '.')); // $NON-NLS-1$
}
}
}
}
The table below shows all metrics for ClassFinder.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 56.00 | Number of blocks | |
| BLOCK_COMMENT | 71.00 | Number of block comment lines | |
| COMMENTS | 182.00 | Comment lines | |
| COMMENT_DENSITY | 1.05 | Comment density | |
| COMPARISONS | 51.00 | Number of comparison operators | |
| CYCLOMATIC | 60.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 47.00 | Comments in declarations | |
| DOC_COMMENT | 60.00 | Number of javadoc comment lines | |
| ELOC | 174.00 | Effective lines of code | |
| EXEC_COMMENTS | 17.00 | Comments in executable code | |
| EXITS | 54.00 | Procedure exits | |
| FUNCTIONS | 15.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 68.20 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 59.00 | 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 | 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 | 1.00 | 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 | 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 | 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 | 3.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 1.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 1.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 3.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | 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 | 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 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 1.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 1.00 | 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 | 1.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 3.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 1.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 5.00 | 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 | 444.00 | Number of lines in the source file | |
| LINE_COMMENT | 51.00 | Number of line comments | |
| LOC | 227.00 | Lines of code | |
| LOGICAL_LINES | 118.00 | Number of statements | |
| LOOPS | 14.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 596.00 | Number of operands | |
| OPERATORS | 1129.00 | Number of operators | |
| PARAMS | 31.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1725.00 | Halstead program length | |
| PROGRAM_VOCAB | 247.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 28.00 | Number of return points from functions | |
| SIZE | 17523.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 201.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 46.00 | Number of unique operators | |
| WHITESPACE | 35.00 | Number of whitespace lines | |