Launcher.java
| Index Score | ||
|---|---|---|
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com.limegroup.gnutella.util |
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FrostWire |
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 | |
|---|---|---|
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| RETURNS | Number of return points from functions | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0170 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0111 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| PROGRAM_VOLUME | Halstead program volume | |
| LOOPS | Number of loops | |
| WHITESPACE | Number of whitespace lines | |
| COMMENTS | Comment lines | |
| LOGICAL_LINES | Number of statements | |
| PARAMS | Number of formal parameter declarations | |
| FUNCTIONS | Number of function declarations | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
package com.limegroup.gnutella.util;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.limewire.util.OSUtils;
import org.limewire.util.StringUtils;
import org.limewire.util.SystemUtils;
import com.limegroup.gnutella.MediaType;
import com.limegroup.gnutella.settings.URLHandlerSettings;
/**
* This class launches files in their associated applications and opens
* urls in the default browser for different operating systems. This
* really only works meaningfully for the Mac and Windows.<p>
*
* Acknowledgement goes to Eric Albert for demonstrating the general
* technique for loading the MRJ classes in his frequently-used
* "BrowserLauncher" code.
* <p>
* This code is Copyright 1999-2001 by Eric Albert (ejalbert@cs.stanford.edu)
* and may be redistributed or modified in any form without restrictions as
* long as the portion of this comment from this paragraph through the end of
* the comment is not removed. The author requests that he be notified of any
* application, applet, or other binary that makes use of this code, but that's
* more out of curiosity than anything and is not required. This software
* includes no warranty. The author is not repsonsible for any loss of data
* or functionality or any adverse or unexpected effects of using this software.
* <p>
* Credits:
* <br>Steven Spencer, JavaWorld magazine
* (<a href="http://www.javaworld.com/javaworld/javatips/jw-javatip66.html">Java Tip 66</a>)
* <br>Thanks also to Ron B. Yeh, Eric Shapiro, Ben Engber, Paul Teitlebaum,
* Andrea Cantatore, Larry Barowski, Trevor Bedzek, Frank Miedrich, and Ron
* Rabakukk
*
* @author Eric Albert
* (<a href="mailto:ejalbert@cs.stanford.edu">ejalbert@cs.stanford.edu</a>)
* @version 1.4b1 (Released June 20, 2001)
*/
//2345678|012345678|012345678|012345678|012345678|012345678|012345678|012345678|
public final class Launcher {
/**
* <tt>boolean</tt> specifying whether or not the necessary Mac
* classes were loaded successfully.
*/
private static boolean _macClassesLoadedSuccessfully = true;
/**
* The openURL method of com.apple.mrj.MRJFileUtils.
*/
private static Method _openURL;
/**
* Loads the necessary Mac classes if running on Mac.
*/
static {
if(OSUtils.isMacOSX()) {
try {
loadMacClasses();
} catch(IOException ioe) {
_macClassesLoadedSuccessfully = false;
}
}
}
/**
* This class should be never be instantiated; this just ensures so.
*/
private Launcher() {}
/**
* Opens the specified url in a browser.
*
* <p>A browser will only be opened if the underlying operating system
* recognizes the url as one that should be opened in a browser,
* namely a url that ends in .htm or .html.
*
* @param url The url to open
*
* @return An int indicating the success of the browser launch
*
* @throws IOException if the url cannot be loaded do to an IO problem
*/
public static int openURL(String url) throws IOException {
if(OSUtils.isWindows()) {
return openURLWindows(url);
}
else if(OSUtils.isMacOSX()) {
openURLMac(url);
}
else {
// Other OS
launchFileOther(url);
}
return -1;
}
/**
* Opens the default web browser on windows, passing it the specified
* url.
*
* @param url the url to open in the browser
* @return the error code of the native call, -1 if the call failed
* for any reason
*/
private static int openURLWindows(String url) throws IOException {
return SystemUtils.openURL(url);
}
/**
* Opens the specified url in the default browser on the Mac.
* This makes use of the dynamically-loaded MRJ classes.
*
* @param url the url to load
*
* @throws <tt>IOException</tt> if the necessary mac classes were not
* loaded successfully or if another exception was
* throws -- it wraps these exceptions in an <tt>IOException</tt>
*/
private static void openURLMac(String url) throws IOException {
if(!_macClassesLoadedSuccessfully) throw new IOException();
try {
Object[] params = new Object[] {url};
_openURL.invoke(null, params);
}
catch (NoSuchMethodError err) {
throw new IOException();
// this can occur when earlier versions of MRJ are used which
// do not support the openURL method.
} catch (NoClassDefFoundError err) {
throw new IOException();
// this can occur under runtime environments other than MRJ.
} catch (IllegalAccessException iae) {
throw new IOException();
} catch (InvocationTargetException ite) {
throw new IOException();
}
}
/**
* Launches the file whose abstract path is specified in the <tt>File</tt>
* parameter. This method will not launch any file with .exe, .vbs, .lnk,
* .bat, .sys, or .com extensions, diplaying an error if one of the file is
* of one of these types.
*
* @param path
* The path of the file to launch
* @return an object for accessing the launch process; null, if the process
* can be represented (e.g. the file was launched through a native
* call)
* @throws IOException
* if the file cannot be launched
* @throws SecurityException
* if the file has an extension that is not allowed
*/
public static LimeProcess launchFile(File file) throws IOException, SecurityException {
String path = file.getCanonicalPath();
String extCheckString = path.toLowerCase();
// expand pmf files before display
if (extCheckString.endsWith(".pmf")) {
file = PackagedMediaFileUtils.preparePMFFile(file.toString());
// don't launch an invalid file
if (file == null) {
throw new IOException("Invalid file");
}
path = file.getCanonicalPath();
extCheckString = path.toLowerCase();
}
if(!extCheckString.endsWith(".exe") &&
!extCheckString.endsWith(".vbs") &&
!extCheckString.endsWith(".lnk") &&
!extCheckString.endsWith(".bat") &&
!extCheckString.endsWith(".sys") &&
!extCheckString.endsWith(".com")) {
if(OSUtils.isWindows()) {
launchFileWindows(path);
return null;
}
else if(OSUtils.isMacOSX()) {
return launchFileMacOSX(path);
}
else {
// Other OS, use helper apps
return launchFileOther(path);
}
} else {
throw new SecurityException();
}
}
/**
* Launches the Explorer/Finder and highlights the file.
*
* @param file the file to show in explorer
* @return null, if not supported by platform; the launched process otherwise
* @see #launchFile(File)
*/
public static LimeProcess launchExplorer(File file) throws IOException, SecurityException {
if (OSUtils.isWindows()) {
String explorePath = file.getPath();
try {
explorePath = file.getCanonicalPath();
} catch (IOException ignored) {
}
if(file.isDirectory()) {
// launches explorer in the directory
LimeProcess.exec(new String[] { "explorer", explorePath });
} else {
// launches explorer and highlights the file
return LimeProcess.exec(new String[] { "explorer", "/select,", explorePath });
}
} else if (OSUtils.isMacOSX()) {
// launches the Finder and highlights the file
return LimeProcess.exec(selectFileCommand(file));
}
return null;
}
/**
* Launches the given file on Windows.
*
* @param path the path of the file to launch
*
* @return an int for the exit code of the native method
*/
private static int launchFileWindows(String path) throws IOException {
try {
return SystemUtils.openFile(path);
} catch(IOException iox) {
throw new LaunchException(iox, path);
}
}
/**
* Launches a file on OSX, appending the full path of the file to the
* "open" command that opens files in their associated applications
* on OSX.
*
* @param file the <tt>File</tt> instance denoting the abstract pathname
* of the file to launch
* @return
* @throws IOException if an I/O error occurs in making the runtime.exec()
* call or in getting the canonical path of the file
*/
private static LimeProcess launchFileMacOSX(final String file) throws IOException {
return LimeProcess.exec(new String[]{"open", file});
}
/**
* Launches the Finder and selects the given File
*/
private static String[] selectFileCommand(File file) {
String path = null;
try {
path = file.getCanonicalPath();
} catch (IOException err) {
path = file.getAbsolutePath();
}
String[] command = new String[] {
"osascript",
"-e", "set unixPath to \"" + path + "\"",
"-e", "set hfsPath to POSIX file unixPath",
"-e", "tell application \"Finder\"",
"-e", "activate",
"-e", "select hfsPath",
"-e", "end tell"
};
return command;
}
/**
* Loads specialized classes for the Mac needed to launch files.
*
* @return <tt>true</tt> if initialization succeeded,
* <tt>false</tt> if initialization failed
*
* @throws <tt>IOException</tt> if an exception occurs loading the
* necessary classes
*/
@SuppressWarnings("unchecked")
private static void loadMacClasses() throws IOException {
try {
Class mrjAdapter = Class.forName("net.roydesign.mac.MRJAdapter");
_openURL = mrjAdapter.getDeclaredMethod("openURL", new Class[]{String.class});
} catch (ClassNotFoundException cnfe) {
throw new IOException();
} catch (NoSuchMethodException nsme) {
throw new IOException();
} catch (SecurityException se) {
throw new IOException();
}
}
/**
* Attempts to launch the given file.
*
* @throws IOException if the call to Runtime.exec throws an IOException
* or if the Process created by the Runtime.exec call
* throws an InterruptedException
*/
private static LimeProcess launchFileOther(String path) throws IOException {
String handler;
if (MediaType.getAudioMediaType().matches(path)) {
handler = URLHandlerSettings.AUDIO_PLAYER.getValue();
} else if (MediaType.getVideoMediaType().matches(path)) {
handler = URLHandlerSettings.VIDEO_PLAYER.getValue();
} else if (MediaType.getImageMediaType().matches(path)) {
handler = URLHandlerSettings.IMAGE_VIEWER.getValue();
} else {
handler = URLHandlerSettings.BROWSER.getValue();
}
QuotedStringTokenizer tok = new QuotedStringTokenizer(handler);
String[] strs = new String[tok.countTokens()];
for (int i = 0; i < strs.length; i++) {
strs[i] = StringUtils.replace(tok.nextToken(), "$URL$", path);
}
return LimeProcess.exec(strs);
}
}
The table below shows all metrics for Launcher.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 49.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 144.00 | Comment lines | |
| COMMENT_DENSITY | 1.12 | Comment density | |
| COMPARISONS | 20.00 | Number of comparison operators | |
| CYCLOMATIC | 39.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 16.00 | Comments in declarations | |
| DOC_COMMENT | 133.00 | Number of javadoc comment lines | |
| ELOC | 129.00 | Effective lines of code | |
| EXEC_COMMENTS | 9.00 | Comments in executable code | |
| EXITS | 31.00 | Procedure exits | |
| FUNCTIONS | 11.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 49.33 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 55.00 | 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 | 1.00 | 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 | 1.00 | 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 | 3.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 1.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 2.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 1.00 | 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 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 6.00 | 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 | 2.00 | 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 | 321.00 | 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 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 2.00 | 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 | 1.00 | 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 | 335.00 | Number of lines in the source file | |
| LINE_COMMENT | 11.00 | Number of line comments | |
| LOC | 162.00 | Lines of code | |
| LOGICAL_LINES | 67.00 | Number of statements | |
| LOOPS | 1.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 333.00 | Number of operands | |
| OPERATORS | 716.00 | Number of operators | |
| PARAMS | 9.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1049.00 | Halstead program length | |
| PROGRAM_VOCAB | 175.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 46.00 | Number of return points from functions | |
| SIZE | 11124.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 135.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 40.00 | Number of unique operators | |
| WHITESPACE | 29.00 | Number of whitespace lines | |