StandardPreverifier.java
| Index Score | ||
|---|---|---|
 |
 |
eclipseme.core.model.impl |
 |
 |
EclipseME |
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 |  |
| DECL_COMMENTS | Comments in declarations | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| LINE_COMMENT | Number of line comments | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| RETURNS | Number of return points from functions | |
| SIZE | Size of the file in bytes | |
| OPERANDS | Number of operands | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| EXEC_COMMENTS | Comments in executable code | |
| PROGRAM_LENGTH | Halstead program length | |
| LINES | Number of lines in the source file | |
| ELOC | Effective lines of code | |
| LOGICAL_LINES | Number of statements | |
| OPERATORS | Number of operators | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| LOC | Lines of code | |
| COMMENTS | Comment lines | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| LOOPS | Number of loops | |
| COMPARISONS | Number of comparison operators | |
| BLOCKS | Number of blocks | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0109 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| FUNCTIONS | Number of function declarations | |
| JAVA0163 | JAVA0163 Empty statement | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| UNIQUE_OPERATORS | Number of unique operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| JAVA0174 | JAVA0174 Assigned local variable never used | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0064 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0087 | JAVA0087 Use of Thread.sleep() | |
/**
* Copyright (c) 2003-2006 Craig Setera
* All Rights Reserved.
* Licensed under the Eclipse Public License - v 1.0
* For more information see http://www.eclipse.org/legal/epl-v10.html
*/
package eclipseme.core.model.impl;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.debug.core.IStreamListener;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.debug.core.model.IStreamMonitor;
import org.eclipse.debug.core.model.IStreamsProxy;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.IVMInstallType;
import org.eclipse.jdt.launching.JavaRuntime;
import eclipseme.core.BuildLoggingConfiguration;
import eclipseme.core.IEclipseMECoreConstants;
import eclipseme.core.console.BuildConsoleProxy;
import eclipseme.core.console.IBuildConsoleProxy;
import eclipseme.core.internal.EclipseMECorePlugin;
import eclipseme.core.internal.PreferenceAccessor;
import eclipseme.core.internal.utils.EnvironmentVariables;
import eclipseme.core.internal.utils.TemporaryFileManager;
import eclipseme.core.internal.utils.Utils;
import eclipseme.core.model.IMidletSuiteProject;
import eclipseme.core.model.IPreverifier;
import eclipseme.core.model.Version;
import eclipseme.core.persistence.IPersistenceProvider;
import eclipseme.core.persistence.PersistenceException;
import eclipseme.preverifier.results.IClassErrorInformation;
import eclipseme.preverifier.results.PreverificationError;
import eclipseme.preverifier.results.PreverificationErrorLocation;
import eclipseme.preverifier.results.PreverificationErrorLocationType;
import eclipseme.preverifier.results.PreverificationErrorType;
/**
* A standard preverifier implementation. This preverifier
* requires the preverification binary and the available
* CLDC parameters to be specified. Once created, the
* preverifier may be stored and retrieved using the standard
* persistence mechanism.
* <p />
* Copyright (c) 2003-2006 Craig Setera<br>
* All Rights Reserved.<br>
* Licensed under the Eclipse Public License - v 1.0<p/>
* <br>
* $Revision: 1.7 $
* <br>
* $Date: 2006/12/18 02:13:47 $
* <br>
* @author Craig Setera
*/
public class StandardPreverifier implements IPreverifier {
private static final int MAX_COMMAND_LENGTH = 2000;
// The regular expression we will use to match the preverify
// error
private static final String PREV_ERR_REGEX =
"^Error preverifying class (\\S*)$";
// The compiled pattern for regular expression matching
private static final Pattern PREV_ERR_PATTERN =
Pattern.compile(PREV_ERR_REGEX, Pattern.MULTILINE);
/**
* Extract the class name from the specified
* IResource within the specified java project.
*
* @param javaProject the java project to provide the relative name
* @param resource the resource to extract a class name
* @return the class name or <code>null</code> if the resource
* name cannot be converted for some reason.
* @throws JavaModelException
*/
public static String extractClassName(
IJavaProject javaProject,
IResource resource)
throws JavaModelException
{
IPath classPath = extractResourcePath(javaProject, resource);
return (classPath == null) ? null :
classPath.removeFileExtension().toString().replace('/', '.');
}
/**
* Extract the class path from the specified
* IResource within the specified java project.
*
* @param javaProject
* @param resource
* @return the extracted resource path
* @throws JavaModelException
*/
public static IPath extractResourcePath(
IJavaProject javaProject,
IResource resource)
throws JavaModelException
{
IPath resultPath = null;
IPath projectOutputPath =
javaProject.getOutputLocation().makeAbsolute();
IPath resourcePath = resource.getFullPath();
IClasspathEntry[] classpath = javaProject.getRawClasspath();
for (int i = 0; i < classpath.length; i++) {
IClasspathEntry entry = classpath[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
IPath entryPath = entry.getOutputLocation();
entryPath = (entryPath == null) ?
projectOutputPath : entryPath.makeAbsolute();
if (entryPath.isPrefixOf(resourcePath)) {
resultPath =
resourcePath.removeFirstSegments(entryPath.segmentCount());
}
}
}
return resultPath;
}
// The executable to use for preverification
private File preverifierExecutable;
// The parameters to use
private StandardPreverifierParameters parameters;
/**
* @see eclipseme.core.persistence.IPersistable#loadUsing(eclipseme.core.persistence.IPersistenceProvider)
*/
public void loadUsing(IPersistenceProvider persistenceProvider)
throws PersistenceException
{
String preverifierExeString = persistenceProvider.loadString("preverifierExecutable");
preverifierExecutable = new File(preverifierExeString);
parameters = (StandardPreverifierParameters) persistenceProvider.loadPersistable("parameters");
}
/**
* @see eclipseme.core.model.IPreverifier#preverify(eclipseme.core.model.IMidletSuiteProject, org.eclipse.core.resources.IResource[], org.eclipse.core.resources.IFolder, org.eclipse.core.runtime.IProgressMonitor)
*/
public PreverificationError[] preverify(
IMidletSuiteProject midletProject,
IResource[] toVerify,
IFolder outputFolder,
IProgressMonitor monitor)
throws CoreException, IOException
{
ArrayList allErrors = new ArrayList();
// Create the temporary file of commands for
// the verifier
ensureFolderExists(outputFolder, monitor);
File outputFile = outputFolder.getLocation().toFile();
ArrayList baseArguments = constructCommandLine(
midletProject,
outputFile,
monitor);
ArrayList arguments = new ArrayList(baseArguments);
for (int i = 0; i < toVerify.length; i++) {
IResource resource = toVerify[i];
switch (resource.getType()) {
case IResource.FOLDER:
case IResource.PROJECT:
arguments.add(resource.getLocation().toOSString());
break;
case IResource.FILE:
if (resource.getName().endsWith(".class")) {
addClassTarget(arguments, resource);
} else if (resource.getName().endsWith(".jar")) {
arguments.add(resource.getLocation().toOSString());
}
break;
}
if (commandLength(arguments) > MAX_COMMAND_LENGTH) {
// Launch the system process
String[] commandLine = (String[]) arguments.toArray(new String[arguments.size()]);
PreverificationError[] errors = runPreverifier(commandLine, null, monitor);
allErrors.addAll(Arrays.asList(errors));
arguments = new ArrayList(baseArguments);
}
}
if (arguments.size() != baseArguments.size()) {
// Launch the system process
String[] commandLine = (String[]) arguments.toArray(new String[arguments.size()]);
PreverificationError[] errors = runPreverifier(commandLine, null, monitor);
allErrors.addAll(Arrays.asList(errors));
}
return (PreverificationError[]) allErrors.toArray(new PreverificationError[allErrors.size()]);
}
/**
* @see eclipseme.core.model.IPreverifier#preverifyJarFile(eclipseme.core.model.IMidletSuiteProject, java.io.File, org.eclipse.core.resources.IFolder, org.eclipse.core.runtime.IProgressMonitor)
*/
public PreverificationError[] preverifyJarFile(
IMidletSuiteProject midletProject,
File jarFile,
IFolder outputFolder,
IProgressMonitor monitor)
throws CoreException, IOException
{
// Rather than trying to preverify a jar file, we will expand it
// first and then preverify against the expanded classes.
File srcDirectory = TemporaryFileManager.instance.createTempDirectory(
jarFile.getName().replace('.', '_') + "_",
".tmp");
srcDirectory.mkdirs();
Utils.extractArchive(jarFile, srcDirectory);
// Create the target directory for the preverification. We will
// tell the preverifier to use this when doing the preverification.
File tgtDirectory = TemporaryFileManager.instance.createTempDirectory(
jarFile.getName().replace('.', '_') + "_",
".tmp");
tgtDirectory.mkdirs();
ArrayList arguments = constructCommandLine(
midletProject,
tgtDirectory,
monitor);
arguments.add(srcDirectory.toString());
// Launch the system process
String[] environment = getEnvironment(jarFile);
String[] commandLine = (String[]) arguments.toArray(new String[arguments.size()]);
PreverificationError[] errors = runPreverifier(commandLine, environment, monitor);
// TODO we need to test the outcome of the previous before going much further
// here...
// Copy all of the non-class resources so they end up back in the
// jar file
FileFilter classFilter = new FileFilter() {
public boolean accept(File pathname) {
return
pathname.isDirectory() ||
!pathname.getName().endsWith(".class");
}
};
Utils.copy(srcDirectory, tgtDirectory, classFilter);
// Finally, re-jar the output of the preverification into the requested jar file...
File outputJarFile = new File(outputFolder.getLocation().toFile(), jarFile.getName());
Utils.createArchive(outputJarFile, tgtDirectory);
return errors;
}
/**
* Return the length of the command-line length given the specified argument list.
*
* @param arguments
* @return
*/
private int commandLength(ArrayList arguments) {
int length = 0;
Iterator iter = arguments.iterator();
while (iter.hasNext()) {
Object arg = (Object) iter.next();
length += arg.toString().length();
if (iter.hasNext()) length++;
}
return length;
}
/**
* Construct the command line for the specified preverification.
*
* @param midletProject
* @param target
* @return
* @throws CoreException
*/
private ArrayList constructCommandLine(
IMidletSuiteProject midletProject,
File target,
IProgressMonitor monitor)
throws CoreException
{
ArrayList arguments = new ArrayList();
// The program we are running...
arguments.add(preverifierExecutable.toString());
// Configuration parameters
String[] configurationParameters = getCLDCConfigurationParameters(midletProject);
for (int i = 0; i < configurationParameters.length; i++) {
arguments.add(configurationParameters[i]);
}
addClasspath(arguments, midletProject, monitor);
addOptions(arguments, configurationParameters, target);
return arguments;
}
/**
* @return Returns the parameters.
*/
public StandardPreverifierParameters getParameters() {
return parameters;
}
/**
* @return Returns the preverifierExecutable.
*/
public File getPreverifierExecutable() {
return preverifierExecutable;
}
/**
* @param parameters The parameters to set.
*/
public void setParameters(StandardPreverifierParameters parameters) {
this.parameters = parameters;
}
/**
* @param preverifierExecutable The preverifierExecutable to set.
*/
public void setPreverifierExecutable(File preverifierExecutable) {
this.preverifierExecutable = preverifierExecutable;
}
/**
* @see eclipseme.core.persistence.IPersistable#storeUsing(eclipseme.core.persistence.IPersistenceProvider)
*/
public void storeUsing(IPersistenceProvider persistenceProvider)
throws PersistenceException
{
persistenceProvider.storeString("preverifierExecutable", preverifierExecutable.toString());
persistenceProvider.storePersistable("parameters", parameters);
}
/**
* Return the parameters to be used for controlling the CLDC
* preverification.
*
* @param midletProject
* @return
* @throws CoreException if an error occurs working with the midlet project.
*/
protected String[] getCLDCConfigurationParameters(IMidletSuiteProject midletProject)
throws CoreException
{
IProject project = midletProject.getProject();
Version configVersion =
PreferenceAccessor.instance.getPreverificationConfigurationVersion(project);
return isCLDC1_0(configVersion) ? parameters.cldc10 : parameters.cldc11;
}
/**
* Return a boolean indicating whether the specified configuration
* is a 1.0 CLDC config.
*
* @param configSpec
* @return
*/
protected boolean isCLDC1_0(Version configVersion) {
return (configVersion.getMajor().equals("1") && configVersion.getMinor().equals("0"));
}
/**
* Run the preverifier program and capture the errors that
* occurred during preverification.
*
* @param commandLine
* @param environment
* @throws CoreException
*/
protected PreverificationError[] runPreverifier(
String[] commandLine,
String[] environment,
IProgressMonitor monitor)
throws CoreException
{
final ArrayList errorList = new ArrayList();
IProcess process = Utils.launchApplication(
commandLine, null,
environment,
"Preverifier", "CLDC Preverifier");
// Listen on the process output streams
IStreamsProxy proxy = process.getStreamsProxy();
if (BuildLoggingConfiguration.instance.isPreverifierOutputEnabled()) {
BuildConsoleProxy.instance.traceln("======================== Launching Preverification =========================");
BuildConsoleProxy.instance.addConsoleStreamListener(
IBuildConsoleProxy.ID_ERROR_STREAM,
proxy.getErrorStreamMonitor());
BuildConsoleProxy.instance.addConsoleStreamListener(
IBuildConsoleProxy.ID_OUTPUT_STREAM,
proxy.getOutputStreamMonitor());
}
proxy.getErrorStreamMonitor().addListener(new IStreamListener() {
public void streamAppended(String text, IStreamMonitor monitor) {
handleErrorReceived(text, errorList);
}
});
// Wait until completion
while ((!monitor.isCanceled()) && (!process.isTerminated())) {
try { Thread.sleep(100); } catch (InterruptedException e) {};
}
if (BuildLoggingConfiguration.instance.isPreverifierOutputEnabled()) {
BuildConsoleProxy.instance.traceln("======================== Preverification exited with code: " + process.getExitValue());
}
return (PreverificationError[]) errorList.toArray(new PreverificationError[errorList.size()]);
}
/**
* Add classpath information to the arguments for
* the specified java project and referenced projects.
*
* @param commandLine
* @param midletProject
* @throws CoreException
*/
private void addClasspath(ArrayList args, IMidletSuiteProject midletProject, IProgressMonitor monitor)
throws CoreException
{
String classpath = getFullClasspath(midletProject);
args.add("-classpath");
args.add(classpath);
}
/**
* Add a class target to the resources to be verified.
*
* @param args
* @param resource
* @throws JavaModelException
*/
private void addClassTarget(
List args,
IResource resource)
throws JavaModelException
{
// Find the source directory this class resides in
IProject project = resource.getProject();
IJavaProject javaProject = JavaCore.create(project);
String className = extractClassName(javaProject, resource);
if (className != null) {
args.add(className);
}
}
/**
* Add the options to the argument list.
*
* @param args
* @param configurationParameters
* @param outputDir
*/
private void addOptions(
ArrayList args,
String[] configurationParameters,
File outputDir)
{
args.add("-d");
args.add(outputDir.toString());
}
/**
* Ensure the specified output folder exists or create if it does not already
* exist.
*
* @param folder
* @param monitor
* @throws CoreException
*/
private void ensureFolderExists(IFolder folder, IProgressMonitor monitor) throws CoreException {
// Make sure the output folder exists before we start
if (!folder.exists()) {
folder.create(true, true, monitor);
}
}
/**
* Get the environment values for the preverification processing.
*
* @param The resources to verify. If this is a jar file, the
* jar program must be available on the path.
* @return
* @throws CoreException
*/
private String[] getEnvironment(File jarFileToVerify)
throws CoreException
{
String[] environment = null;
if (jarFileToVerify != null) {
// See if the jar executable is available already...
if (!isJarExecutableOnPath()) {
// See if we can get it from the VM installation
IVMInstall fullJDK = searchForVMInstallWithJar();
if (fullJDK == null) {
IStatus status = EclipseMECorePlugin.newStatus(
IStatus.ERROR,
IEclipseMECoreConstants.ERR_COULD_NOT_FIND_JAR_TOOL,
"Could not find jar tool executable.");
EclipseMECorePlugin.statusPrompt(status, this);
} else {
// Found a VM installation with the jar tool...
// Set the PATH environment value so that the
// preverifier can find the jar tool.
String pathValue =
new File(fullJDK.getInstallLocation(), "bin").toString();
environment = getEnvironmentWithAugmentedPath(pathValue);
}
}
}
return environment;
}
/**
* Augment the PATH environment variables and return them
* in a form that can be used in an exec() call.
*
* @param pathValue
* @return
* @throws CoreException
*/
private String[] getEnvironmentWithAugmentedPath(String pathValue)
throws CoreException
{
String[] environment = null;
try {
EnvironmentVariables envVars = new EnvironmentVariables();
String path = envVars.getVariable("PATH");
path = path + File.pathSeparator + pathValue;
envVars.setVariable("PATH", path);
environment = envVars.convertToStrings();
} catch (IOException e) {
EclipseMECorePlugin.throwCoreException(IStatus.ERROR, -999, e);
}
return environment;
}
/**
* Get the full classpath including all J2ME libraries.
*
* @param midletProject
* @return
* @throws CoreException
*/
private String getFullClasspath(IMidletSuiteProject midletProject) throws CoreException {
IJavaProject javaProject = midletProject.getJavaProject();
String[] entries = JavaRuntime.computeDefaultRuntimeClassPath(javaProject);
StringBuffer sb = new StringBuffer();
for (int i = 0; i < entries.length; i++) {
if (i != 0) {
sb.append(File.pathSeparatorChar);
}
sb.append(entries[i]);
}
return sb.toString();
}
/**
* Get the executable for creation of jar files.
*
* @return
*/
private String getJarExecutable() {
String executable = null;
String os = System.getProperty("os.name").toLowerCase();
if (
(os.indexOf("windows 9") > -1) ||
(os.indexOf("nt") > -1) ||
(os.indexOf("windows 2000") > -1) ||
(os.indexOf("windows xp") > -1)) {
executable = "jar.exe";
} else {
executable = "jar";
}
return executable;
}
/**
* Handle the arrival of text on the error stream.
*
* @param text
* @param errorList
*/
protected void handleErrorReceived(String text, List errorList)
{
text = text.trim();
Matcher matcher = PREV_ERR_PATTERN.matcher(text);
if (matcher.find()) {
// Found a match for the error...
if (matcher.groupCount() > 0) {
final String classname = matcher.group(1);
String errorText = "Error preverifying class";
if (matcher.end() < text.length()) {
StringBuffer sb = new StringBuffer(errorText);
sb.append(": ");
String detail = text.substring(matcher.end());
detail = detail.trim();
sb.append(detail);
errorText = sb.toString();
}
IClassErrorInformation classInfo = new IClassErrorInformation() {
public String getName() {
return classname;
}
public String getSourceFile() {
return null;
}
};
PreverificationErrorLocation location =
new PreverificationErrorLocation(
PreverificationErrorLocationType.UNKNOWN_LOCATION,
classInfo, null, null, -1);
PreverificationError error = new PreverificationError(
PreverificationErrorType.UNKNOWN_ERROR,
location,
text);
errorList.add(error);
}
} else {
EclipseMECorePlugin.log(IStatus.WARNING, text);
}
}
/**
* Return a boolean indicating whether the specified
* virtual machine installation appears to have the
* jar executable within it.
*
* @param install
* @return
*/
private boolean installContainsJarExecutable(IVMInstall install) {
boolean containsJar = false;
File installLocation = install.getInstallLocation();
if (installLocation != null) {
File bin = new File(installLocation, "bin");
if (bin.exists()) {
File[] matches = bin.listFiles(new FileFilter() {
public boolean accept(File pathname) {
return pathname.isFile() && pathname.getName().startsWith("jar");
}
});
containsJar = ((matches != null) && (matches.length > 0));
}
}
return containsJar;
}
/**
* Return a boolean indicating whether the JAR executable can be
* found on the system path.
*
* @param testJar
* @return
* @throws CoreException
*/
private boolean isJarExecutableOnPath()
throws CoreException
{
boolean onPath = false;
String executable = getJarExecutable();
try {
EnvironmentVariables envVars = new EnvironmentVariables();
String pathString = envVars.getVariable("PATH");
StringTokenizer st = new StringTokenizer(pathString, File.pathSeparator);
while (st.hasMoreTokens()) {
File path = new File(st.nextToken());
File jar = new File(path, executable);
if (jar.exists()) {
onPath = true;
break;
}
}
} catch (IOException e) {
EclipseMECorePlugin.throwCoreException(IStatus.ERROR, -999, e);
}
return onPath;
}
/**
* Search for and return a virtual machine installation that appears
* to have the jar tool executable contained within.
*
* @return
*/
private IVMInstall searchForVMInstallWithJar() {
IVMInstall fullJDK = null;
IVMInstall install = JavaRuntime.getDefaultVMInstall();
if (installContainsJarExecutable(install)) {
fullJDK = install;
} else {
IVMInstallType installType = install.getVMInstallType();
IVMInstall[] installs = installType.getVMInstalls();
for (int i = 0; i < installs.length; i++) {
install = installs[i];
if (installContainsJarExecutable(install)) {
fullJDK = install;
break;
}
}
}
return fullJDK;
}
}
The table below shows all metrics for StandardPreverifier.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 73.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 220.00 | Comment lines | |
| COMMENT_DENSITY | 0.59 | Comment density | |
| COMPARISONS | 52.00 | Number of comparison operators | |
| CYCLOMATIC | 79.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 33.00 | Comments in declarations | |
| DOC_COMMENT | 189.00 | Number of javadoc comment lines | |
| ELOC | 373.00 | Effective lines of code | |
| EXEC_COMMENTS | 18.00 | Comments in executable code | |
| EXITS | 114.00 | Procedure exits | |
| FUNCTIONS | 32.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 74.36 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 111.00 | 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 | 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 | 1.00 | 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 | 2.00 | 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 | 2.00 | 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 | 1.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 1.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 1.00 | 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 | 6.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 4.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 3.00 | 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 | 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 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 8.00 | 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 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 1.00 | 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 | 3.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 1416.00 | 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 | 1.00 | 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 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 2.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 1.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 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 | 4.00 | 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 | 764.00 | Number of lines in the source file | |
| LINE_COMMENT | 31.00 | Number of line comments | |
| LOC | 455.00 | Lines of code | |
| LOGICAL_LINES | 227.00 | Number of statements | |
| LOOPS | 8.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 1146.00 | Number of operands | |
| OPERATORS | 1902.00 | Number of operators | |
| PARAMS | 45.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3048.00 | Halstead program length | |
| PROGRAM_VOCAB | 444.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 66.00 | Number of return points from functions | |
| SIZE | 23493.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 393.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 51.00 | Number of unique operators | |
| WHITESPACE | 89.00 | Number of whitespace lines | |