JARClassLoader.java
| Index Score | ||
|---|---|---|
 |
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gmgen.pluginmgr |
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PCGen |
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 | |
|---|---|---|
| EXITS | Procedure exits |  |
| RETURNS | Number of return points from functions | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0133 | JAVA0133 Non-synchronized method overrides synchronized method | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0150 | JAVA0150 java.lang.Error (or subclass) thrown | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| COMPARISONS | Number of comparison operators | |
| LOC | Lines of code | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| OPERANDS | Number of operands | |
| BLOCKS | Number of blocks | |
| CYCLOMATIC | Cyclomatic complexity | |
| LOGICAL_LINES | Number of statements | |
| LINES | Number of lines in the source file | |
| ELOC | Effective lines of code | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| SIZE | Size of the file in bytes | |
| 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 | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
/*
* JARClassLoader.java - Loads classes from JAR files
* :noTabs=false:
*
* Copyright (C) 2003 Devon Jones
* Derived from jEdit by Slava Pestov Copyright (C) 1999, 2000, 2001, 2002
* Portions copyright (C) 1999 mike dillon
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package gmgen.pluginmgr;
import gmgen.GMGenSystem;
import gmgen.gui.PreferencesPluginsPanel;
import gmgen.util.MiscUtilities;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import pcgen.base.lang.UnreachableError;
import pcgen.cdom.base.Constants;
import pcgen.core.SettingsHandler;
import pcgen.core.bonus.Bonus;
import pcgen.core.bonus.BonusObj;
import pcgen.core.prereq.PrerequisiteTest;
import pcgen.core.prereq.PrerequisiteTestFactory;
import pcgen.io.ExportHandler;
import pcgen.io.exporttoken.Token;
import pcgen.persistence.lst.LstToken;
import pcgen.persistence.lst.TokenStore;
import pcgen.persistence.lst.output.prereq.PrerequisiteWriterFactory;
import pcgen.persistence.lst.output.prereq.PrerequisiteWriterInterface;
import pcgen.persistence.lst.prereq.PreParserFactory;
import pcgen.persistence.lst.prereq.PrerequisiteParserInterface;
import pcgen.rules.persistence.TokenLibrary;
import pcgen.util.Logging;
import pcgen.util.PCGenCommand;
import pcgen.util.PJEP;
/**
* A class loader implementation that loads classes from JAR files.
*
*@author Soulcatcher
*@since GMGen 3.3
*/
public class JARClassLoader extends ClassLoader
{
// used to mark non-existent classes in class hash
private static final JARClassLoader NO_CLASS = new JARClassLoader();
private static Hashtable<String, JARClassLoader> classHash = new Hashtable<String, JARClassLoader>();
private Plugin.JAR jar;
private List<String> pluginClasses = new ArrayList<String>();
private ZipFile zipFile;
/**
* This constructor creates a class loader for loading classes from all
* plugins. For example BeanShell uses one of these so that scripts can use
* plugin classes.
*@since GMGen 3.3
*/
public JARClassLoader()
{
// Empty Constructor
}
/**
* Constructor for the JARClassLoader object
*
*@param path path to the jar file
*@exception IOException Exception for not being able to read the file
*@since GMGen 3.3
*/
public JARClassLoader(String path) throws IOException
{
zipFile = new ZipFile(path);
jar = new Plugin.JAR(path, this);
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements())
{
String name = entries.nextElement().getName();
if (name.endsWith(".class"))
{
classHash.put(MiscUtilities.fileToClass(name), this);
pluginClasses.add(name);
}
}
PluginLoader.addPluginJAR(jar);
}
/**
* Returns the ZIP file associated with this class loader.
*
*@return The Zip File
*@since GMGen 3.3
*/
public ZipFile getZipFile()
{
return zipFile;
}
/**
* Closes the ZIP file. This plugin will no longer be usable after this.
*@since GMGen 3.3
*/
public void closeZipFile()
{
if (zipFile == null)
{
return;
}
try
{
zipFile.close();
}
catch (IOException io)
{
Logging.errorPrint(io.getMessage(), io);
}
zipFile = null;
}
/**
* loads a class
*
*@param clazz class name
*@param resolveIt weather to link the class
*@return teh class that has been loaded
*@exception ClassNotFoundException Didn't find the class we were looking for
*@since GMGen 3.3
*/
@Override
public Class<?> loadClass(String clazz, boolean resolveIt)
throws ClassNotFoundException
{
// see what JARClassLoader this class is in
JARClassLoader classLoader = classHash.get(clazz);
if (classLoader == NO_CLASS)
{
// we remember which classes we don't exist
// because BeanShell tries loading all possible
// <imported prefix>.<class name> combinations
throw new ClassNotFoundException(clazz);
}
else if (classLoader != null)
{
return classLoader._loadClass(clazz, resolveIt);
}
// if it's not in the class hash, and not marked as
// non-existent, try loading it from the CLASSPATH
try
{
Class<?> cls;
/*
* Defer to whoever loaded us (such as JShell,
* Echidna, etc)
*/
ClassLoader parentLoader = getClass().getClassLoader();
if (parentLoader != null)
{
cls = parentLoader.loadClass(clazz);
}
else
{
cls = findSystemClass(clazz);
}
return cls;
}
catch (ClassNotFoundException cnf)
{
// remember that this class doesn't exist for
// future reference
classHash.put(clazz, NO_CLASS);
throw cnf;
}
}
/**
* Starts all the plugins in this JARClassLoader object
* @param system
*@since GMGen 3.3
*/
public void startAllPlugins(String system)
{
List<Plugin> plugins = new ArrayList<Plugin>();
for ( String name : pluginClasses )
{
name = MiscUtilities.fileToClass(name);
try
{
Plugin pl = loadPluginClass(name, system);
if(pl != null)
{
plugins.add(pl);
}
}
catch (Throwable t)
{
Logging.errorPrint("Error while starting plugin " + t.getMessage(), t);
jar.addPlugin(new Plugin.Broken(name));
String[] args = { t.toString() };
PluginLoader.pluginError(jar.getPath(), "plugin-error.start-error", args);
}
}
Collections.sort(plugins, new Plugin.PluginComperator());
for ( Plugin pl : plugins )
{
if (Logging.isDebugMode())
{
Logging.debugPrint("Starting " + system + " plugin " + pl.getName() + " (version "
+ MiscUtilities.buildToVersion(pl.getVersion()) + ")");
}
jar.addPlugin(pl);
}
}
private Class<?> _loadClass(String clazz, boolean resolveIt)
throws ClassNotFoundException
{
Class<?> cls = findLoadedClass(clazz);
if (cls != null)
{
if (resolveIt)
{
resolveClass(cls);
}
return cls;
}
String name = MiscUtilities.classToFile(clazz);
try
{
ZipEntry entry = zipFile.getEntry(name);
if (entry == null)
{
throw new ClassNotFoundException(clazz);
}
InputStream in = zipFile.getInputStream(entry);
int len = (int) entry.getSize();
byte[] data = new byte[len];
int success = 0;
int offset = 0;
while (success < len)
{
len -= success;
offset += success;
success = in.read(data, offset, len);
if (success == -1)
{
Logging.debugPrint("Failed to load class " + clazz + " from " + zipFile.getName());
throw new ClassNotFoundException(clazz);
}
}
cls = defineClass(clazz, data, 0, data.length);
if (resolveIt)
{
resolveClass(cls);
}
return cls;
}
catch (IOException io)
{
Logging.errorPrint(io.getMessage(), io);
throw new ClassNotFoundException(clazz);
}
}
private boolean checkDependencies(String name)
{
int i = 0;
String dep;
while ((dep = SettingsHandler.getGMGenOption("plugin." + name + ".depend." + i++, null)) != null)
{
int index = dep.indexOf(' ');
if (index == -1)
{
Logging.debugPrint(name + " has an invalid" + " dependency: " + dep);
return false;
}
String what = dep.substring(0, index);
String arg = dep.substring(index + 1);
if (what.equals("jdk"))
{
if (MiscUtilities.compareStrings(System.getProperty("java.version"), arg, false) < 0)
{
String[] args = { arg, System.getProperty("java.version") };
PluginLoader.pluginError(jar.getPath(), "plugin-error.dep-jdk", args);
return false;
}
}
else if (what.equals("gmgen"))
{
if (arg.length() != 11)
{
Logging.debugPrint("Invalid GMGen version" + " number: " + arg);
return false;
}
if (MiscUtilities.compareStrings(GMGenSystem.getBuild(), arg, false) < 0)
{
String needs = MiscUtilities.buildToVersion(arg);
String[] args = { needs, GMGenSystem.getVersion() };
PluginLoader.pluginError(jar.getPath(), "plugin-error.dep-jedit", args);
return false;
}
}
else if (what.equals("plugin"))
{
int index2 = arg.indexOf(' ');
if (index2 == -1)
{
Logging.debugPrint(name + " has an invalid dependency: " + dep + " (version is missing)");
return false;
}
String plugin = arg.substring(0, index2);
String needVersion = arg.substring(index2 + 1);
String currVersion = SettingsHandler.getGMGenOption("plugin." + plugin + ".version", null);
if (currVersion == null)
{
String[] args = { needVersion, plugin };
PluginLoader.pluginError(jar.getPath(), "plugin-error.dep-plugin.no-version", args);
return false;
}
if (MiscUtilities.compareStrings(currVersion, needVersion, false) < 0)
{
String[] args = { needVersion, plugin, currVersion };
PluginLoader.pluginError(jar.getPath(), "plugin-error.dep-plugin", args);
return false;
}
if (PluginLoader.getPlugin(plugin) instanceof Plugin.Broken)
{
String[] args = { plugin };
PluginLoader.pluginError(jar.getPath(), "plugin-error.dep-plugin.broken", args);
return false;
}
}
else if (what.equals("class"))
{
try
{
loadClass(arg, false);
}
catch (Exception e)
{
String[] args = { arg };
PluginLoader.pluginError(jar.getPath(), "plugin-error.dep-class", args);
return false;
}
}
else
{
Logging.debugPrint(name + " has unknown" + " dependency: " + dep);
return false;
}
}
return true;
}
private Plugin loadPluginClass(String name, String system) throws Exception
{
// Check if a plugin with the same name is already loaded
for (Plugin plugin : PluginLoader.getPlugins())
{
if (plugin.getClass().getName().equals(name))
{
PluginLoader.pluginError(jar.getPath(), "plugin-error.already-loaded", null);
return null;
}
}
// Check dependencies
if (!checkDependencies(name))
{
jar.addPlugin(new Plugin.Broken(name));
return null;
}
// JDK 1.1.8 throws a GPF when we do an isAssignableFrom()
// on an unresolved class
Class<?> clazz = loadClass(name, true);
int modifiers = clazz.getModifiers();
if(system.equals(Constants.s_SYSTEM_TOKENS)) {
loadOutputTokenClass(clazz, modifiers);
loadLstTokens(clazz, modifiers);
loadBonusTokens(clazz, name, modifiers);
loadPreTokens(clazz, modifiers);
loadJepCommands(clazz, modifiers);
}
return loadPluginClass(clazz, modifiers, name, system);
}
private Plugin loadPluginClass(Class<?> clazz, int modifiers, String name, String system) throws Exception {
if (!Modifier.isInterface(modifiers) && !Modifier.isAbstract(modifiers) && Plugin.class.isAssignableFrom(clazz))
{
Plugin pl = (Plugin) clazz.newInstance();
boolean load = true;
if(!RequiredPlugin.class.isAssignableFrom(clazz)) {
load = addPreferencesPanel(clazz, pl);
}
if(load && pl.getPluginSystem().equals(system))
{
if ((pl.getVersion() == null) || (pl.getName() == null))
{
Logging.debugPrint("Plugin " + name + " needs" + " 'name' and 'version' properties.");
jar.addPlugin(new Plugin.Broken(name));
return null;
}
return pl;
}
}
return null;
}
private void loadOutputTokenClass(Class<?> clazz, int modifiers) throws Exception {
if (!Modifier.isInterface(modifiers) && !Modifier.isAbstract(modifiers) && Token.class.isAssignableFrom(clazz))
{
Token pl = (Token) clazz.newInstance();
ExportHandler.addToTokenMap(pl);
}
}
private void loadLstTokens(Class<?> clazz, int modifiers) throws Exception
{
if (!Modifier.isInterface(modifiers) && !Modifier.isAbstract(modifiers) && LstToken.class.isAssignableFrom(clazz))
{
LstToken pl = (LstToken) clazz.newInstance();
TokenStore.inst().addToTokenMap(pl);
TokenLibrary.addToTokenMap(pl);
}
}
private void loadBonusTokens(Class<?> clazz, String name, int modifiers) throws Exception
{
if (!Modifier.isInterface(modifiers) && !Modifier.isAbstract(modifiers) && BonusObj.class.isAssignableFrom(clazz))
{
Bonus.addBonusClass(clazz, name);
}
}
private void loadPreTokens(Class<?> clazz, int modifiers) throws Exception
{
if (!Modifier.isInterface(modifiers) && !Modifier.isAbstract(modifiers))
{
if(PrerequisiteParserInterface.class.isAssignableFrom(clazz)) {
PrerequisiteParserInterface parser = (PrerequisiteParserInterface) clazz.newInstance();
PreParserFactory.register(parser);
TokenLibrary.addToTokenMap(parser);
}
else if(PrerequisiteTest.class.isAssignableFrom(clazz)) {
PrerequisiteTest test = (PrerequisiteTest) clazz.newInstance();
PrerequisiteTestFactory.register(test);
}
else if(PrerequisiteWriterInterface.class.isAssignableFrom(clazz)) {
PrerequisiteWriterInterface writer = (PrerequisiteWriterInterface) clazz.newInstance();
PrerequisiteWriterFactory.register(writer);
}
}
}
private void loadJepCommands(Class clazz, int modifiers) throws Exception
{
if (!Modifier.isInterface(modifiers) && !Modifier.isAbstract(modifiers) && PCGenCommand.class.isAssignableFrom(clazz))
{
PJEP.addCommand(clazz);
}
}
private boolean addPreferencesPanel(Class<?> clazz, Plugin pl) {
boolean load = true;
try {
Field f = clazz.getField("LOG_NAME");
String logName = (String) f.get(pl);
String plName = pl.getName();
String plSystem = pl.getPluginSystem();
PreferencesPluginsPanel.addPanel(logName, plName, plSystem);
load = SettingsHandler.getGMGenOption(logName + ".Load", true);
} catch (SecurityException e) {
throw new UnreachableError("Access to Class " + clazz
+ " should not be prohibited", e);
} catch (IllegalAccessException e) {
throw new UnreachableError("Access to Method LOG_NAME in Class "
+ clazz + " should not be prohibited", e);
} catch (NoSuchFieldException e) {
Logging.errorPrint(clazz.getName()
+ " does not have LOG_NAME defined, "
+ "Plugin class implemented improperly");
} catch (IllegalArgumentException e) {
Logging.errorPrint(clazz.getName()
+ " does not have LOG_NAME defined to "
+ "take a Plugin as the argument, "
+ "Plugin class implemented improperly");
}
return load;
}
}
The table below shows all metrics for JARClassLoader.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 78.00 | Number of blocks | |
| BLOCK_COMMENT | 26.00 | Number of block comment lines | |
| COMMENTS | 83.00 | Comment lines | |
| COMMENT_DENSITY | 0.31 | Comment density | |
| COMPARISONS | 57.00 | Number of comparison operators | |
| CYCLOMATIC | 75.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 9.00 | Comments in declarations | |
| DOC_COMMENT | 43.00 | Number of javadoc comment lines | |
| ELOC | 267.00 | Effective lines of code | |
| EXEC_COMMENTS | 9.00 | Comments in executable code | |
| EXITS | 97.00 | Procedure exits | |
| FUNCTIONS | 16.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 71.94 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 90.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 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 | 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 | 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 | 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 | 6.00 | 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 | 1.00 | 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 | 1144.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 2.00 | 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 | 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 | 2.00 | 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 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 570.00 | Number of lines in the source file | |
| LINE_COMMENT | 14.00 | Number of line comments | |
| LOC | 408.00 | Lines of code | |
| LOGICAL_LINES | 177.00 | Number of statements | |
| LOOPS | 3.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 902.00 | Number of operands | |
| OPERATORS | 1673.00 | Number of operators | |
| PARAMS | 26.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2575.00 | Halstead program length | |
| PROGRAM_VOCAB | 378.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 64.00 | Number of return points from functions | |
| SIZE | 15115.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 326.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 52.00 | Number of unique operators | |
| WHITESPACE | 79.00 | Number of whitespace lines | |