EmulatorRunner.java
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|---|---|---|
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eclipseme.core.internal.launching |
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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 |  |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| RETURNS | Number of return points from functions | |
| DOC_COMMENT | Number of javadoc comment lines | |
| ELOC | Effective lines of code | |
| UNIQUE_OPERANDS | Number of unique operands | |
| LINES | Number of lines in the source file | |
| DECL_COMMENTS | Comments in declarations | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| SIZE | Size of the file in bytes | |
| LOC | Lines of code | |
| BLOCKS | Number of blocks | |
| PARAMS | Number of formal parameter declarations | |
| OPERANDS | Number of operands | |
| LOGICAL_LINES | Number of statements | |
| PROGRAM_LENGTH | Halstead program length | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| OPERATORS | Number of operators | |
| COMMENTS | Comment lines | |
| EXEC_COMMENTS | Comments in executable code | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| JAVA0087 | JAVA0087 Use of Thread.sleep() | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| LOOPS | Number of loops | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0082 | JAVA0082 Unnecessary widening cast | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| NEST_DEPTH | Maximum nesting depth | |
| COMPARISONS | Number of comparison operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0285 | JAVA0285 Dereference of potentially null variable | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
/**
* Copyright (c) 2003-2005 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.internal.launching;
import java.io.File;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.debug.core.IStatusHandler;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.jdi.Bootstrap;
import org.eclipse.jdt.debug.core.JDIDebugModel;
import org.eclipse.jdt.launching.AbstractVMRunner;
import org.eclipse.jdt.launching.ExecutionArguments;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jdt.launching.SocketUtil;
import org.eclipse.jdt.launching.VMRunnerConfiguration;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.connect.AttachingConnector;
import com.sun.jdi.connect.Connector;
import com.sun.jdi.connect.IllegalConnectorArgumentsException;
import com.sun.jdi.connect.ListeningConnector;
import eclipseme.core.EclipseMECoreStrings;
import eclipseme.core.IEclipseMECoreConstants;
import eclipseme.core.internal.EclipseMECorePlugin;
import eclipseme.core.internal.utils.Utils;
import eclipseme.core.model.IMidletSuiteProject;
import eclipseme.core.model.LaunchEnvironment;
import eclipseme.core.model.device.IDevice;
import eclipseme.core.model.device.IDevice2;
/**
* A VMRunner implementation that debugs against a wireless
* toolkit emulator. Places the standard VM debug arguments
* as program arguments when in debug mode. Otherwise, does
* not mess with that when not in debug mode.
* <p />
* Copyright (c) 2003-2005 Craig Setera<br>
* All Rights Reserved.<br>
* Licensed under the Eclipse Public License - v 1.0<p/>
* <br>
* $Revision: 1.8 $
* <br>
* $Date: 2006/02/11 21:26:57 $
* <br>
* @author Craig Setera
*/
public class EmulatorRunner extends AbstractVMRunner {
/**
* Used to attach to a VM in a seperate thread, to allow for cancellation
* and detect that the associated System process died before the connect
* occurred.
*/
static class ConnectRunnable implements Runnable {
private VirtualMachine fVirtualMachine = null;
private ListeningConnector fConnector = null;
private Map fConnectionMap = null;
private Exception fException = null;
/**
* Constructs a runnable to connect to a VM via the given connector
* with the given connection arguments.
*
* @param connector
* @param map
*/
public ConnectRunnable(ListeningConnector connector, Map map) {
fConnector = connector;
fConnectionMap = map;
}
/**
* Thread entrypoint.
* @see java.lang.Runnable#run()
*/
public void run() {
try {
fVirtualMachine = fConnector.accept(fConnectionMap);
} catch (IOException e) {
fException = e;
} catch (IllegalConnectorArgumentsException e) {
fException = e;
}
}
/**
* Returns the VM that was attached to, or <code>null</code> if none.
*
* @return the VM that was attached to, or <code>null</code> if none
*/
public VirtualMachine getVirtualMachine() {
return fVirtualMachine;
}
/**
* Returns any exception that occurred while attaching, or <code>null</code>.
*
* @return IOException or IllegalConnectorArgumentsException
*/
public Exception getException() {
return fException;
}
}
/**
* Render the debug target string.
*
* @param classToRun
* @param host
* @return
*/
private static String renderDebugTarget(String classToRun, int host) {
return EclipseMECoreStrings.getString(
"debugvmrunner.debug_target_string",
new String[] { classToRun, String.valueOf(host) });
}
/**
* Render the process label string.
*
* @param commandLine
* @return
*/
public static String renderProcessLabel(String[] commandLine) {
String timestamp =
DateFormat.getInstance().format(
new Date(System.currentTimeMillis()));
return EclipseMECoreStrings.getString(
"debugvmrunner.process_label_string",
new String[] { commandLine[0], timestamp });
}
/**
* Render the command line string.
*
* @param commandLine
* @return
*/
private static String renderCommandLine(String[] commandLine) {
StringBuffer buf = new StringBuffer();
if (commandLine.length > 1) {
for (int i = 0; i < commandLine.length; i++) {
if (i > 0) buf.append(' ');
buf.append(commandLine[i]);
}
}
return buf.toString();
}
private IMidletSuiteProject suite;
private IDevice device;
private boolean debugMode;
/**
* Construct an VM runner instance for an executable emulator.
*
* @param emulator
*/
public EmulatorRunner(IMidletSuiteProject suite, IDevice device, String mode)
{
this.suite = suite;
this.device = device;
debugMode = ILaunchManager.DEBUG_MODE.equals(mode);
}
/**
* @see org.eclipse.jdt.launching.IVMRunner#run(org.eclipse.jdt.launching.VMRunnerConfiguration, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
*/
public void run(
VMRunnerConfiguration vmRunnerConfig,
ILaunchConfiguration launchConfig,
ILaunch launch,
IProgressMonitor monitor)
throws CoreException
{
if (debugMode) {
runInDebug(vmRunnerConfig, launchConfig, launch, monitor);
} else {
runWithoutDebug(vmRunnerConfig, launchConfig, launch, monitor);
}
}
/**
* Run the emulator with debugging.
*
* @param vmRunnerConfig
* @param launchConfig
* @param launch
* @param monitor
* @throws CoreException
*/
public void runInDebug(
VMRunnerConfiguration vmRunnerConfig,
ILaunchConfiguration launchConfig,
ILaunch launch,
IProgressMonitor monitor)
throws CoreException
{
if (monitor == null) {
monitor = new NullProgressMonitor();
}
IProgressMonitor subMonitor = new SubProgressMonitor(monitor, 1);
subMonitor.beginTask(EclipseMECoreStrings.getString("debugvmrunner.launching_vm"), 4);
subMonitor.subTask(EclipseMECoreStrings.getString("debugvmrunner.finding_free_socket"));
int port = SocketUtil.findFreePort();
if (port == -1) {
abort(
EclipseMECoreStrings.getString("debugvmrunner.no_free_socket"),
null, IJavaLaunchConfigurationConstants.ERR_NO_SOCKET_AVAILABLE);
}
subMonitor.worked(1);
// check for cancellation
if (monitor.isCanceled()) {
return;
}
subMonitor.subTask(EclipseMECoreStrings.getString("debugvmrunner.constructing_cmd_line"));
String[] cmdLine = getCommandLine(launchConfig, port, monitor);
Utils.dumpCommandLine(cmdLine);
// check for cancellation
if (monitor.isCanceled()) {
return;
}
subMonitor.worked(1);
subMonitor.subTask(EclipseMECoreStrings.getString("debugvmrunner.starting_VM"));
Connector connector = getConnector();
if (connector == null) {
abort(
EclipseMECoreStrings.getString("debugvmrunner.no_connector"),
null,
IJavaLaunchConfigurationConstants.ERR_CONNECTOR_NOT_AVAILABLE);
}
Map map = connector.defaultArguments();
specifyArguments(map, port);
Process p = null;
try {
try {
// check for cancellation
if (monitor.isCanceled()) {
return;
}
if (!device.isDebugServer()) {
((ListeningConnector) connector).startListening(map);
}
File workingDir = getWorkingDir(vmRunnerConfig);
p = exec(cmdLine, workingDir);
if (p == null) {
return;
}
// check for cancellation
if (monitor.isCanceled()) {
p.destroy();
return;
}
IProcess process = DebugPlugin.newProcess(
launch, p,
renderProcessLabel(cmdLine),
getDefaultProcessMap());
process.setAttribute(
IProcess.ATTR_CMDLINE,
renderCommandLine(cmdLine));
subMonitor.worked(1);
subMonitor.subTask(
EclipseMECoreStrings.getString("debugvmrunner.establishing_debug_conn"));
VirtualMachine vm =
createVirtualMachine(connector, map, p, process, monitor);
JDIDebugModel.newDebugTarget(
launch, vm,
renderDebugTarget(vmRunnerConfig.getClassToLaunch(), port),
process, true, false);
subMonitor.worked(1);
subMonitor.done();
return;
} finally {
if (!device.isDebugServer()) {
((ListeningConnector) connector).stopListening(map);
}
}
} catch (IOException e) {
abort(
EclipseMECoreStrings.getString("debugvmrunner.couldnt_connect_to_vm"),
e, IJavaLaunchConfigurationConstants.ERR_CONNECTION_FAILED);
} catch (IllegalConnectorArgumentsException e) {
abort(
EclipseMECoreStrings.getString("debugvmrunner.couldnt_connect_to_vm"),
e, IJavaLaunchConfigurationConstants.ERR_CONNECTION_FAILED);
}
if (p != null) {
p.destroy();
}
}
/**
* Create a new VirtualMachine instances for the specified
* Connector and associated information.
*
* @param connector
* @param map
* @param p
* @param process
* @param monitor
* @return
* @throws IOException
* @throws IllegalConnectorArgumentsException
* @throws CoreException
*/
private VirtualMachine createVirtualMachine(
Connector connector, Map map,
Process p, IProcess process,
IProgressMonitor monitor)
throws IOException,
IllegalConnectorArgumentsException,
CoreException
{
VirtualMachine vm = (device.isDebugServer()) ?
(waitForRemoteDebugger((AttachingConnector)connector, map)):
waitForDebuggerConnection(
(ListeningConnector) connector, p, process, map, monitor);
return vm;
}
/**
* Get the appropriate Connector dependent on what
* the IEmulator instance requires.
*
* @return
*/
private Connector getConnector() {
Connector connector = (device.isDebugServer()) ?
(Connector) getAttachingConnector() :
(Connector) getListeningConnector();
return connector;
}
/**
*
* Connect to the remote VM debugger and
* return a new VirtualMachine. Will retry until
* launch timeout is reached.
*
* @param connector
* @param map
* @return
* @throws IOException
* @throws IllegalConnectorArgumentsException
* @throws CoreException
*/
private VirtualMachine waitForRemoteDebugger(
AttachingConnector connector,
Map map)
throws IOException, IllegalConnectorArgumentsException, CoreException
{
Preferences preferences =
EclipseMECorePlugin.getDefault().getPluginPreferences();
VirtualMachine vm = null;
int launchTimeout = preferences.getInt(IEclipseMECoreConstants.PREF_RMTDBG_TIMEOUT);
int launchRetryInterval = preferences.getInt(IEclipseMECoreConstants.PREF_RMTDBG_INTERVAL);
long launchEndTime = System.currentTimeMillis() + launchTimeout;
boolean retry = true;
do {
try {
vm = connector.attach(map);
retry=false;
} catch (IOException e) {
if (System.currentTimeMillis() > launchEndTime) {
throw new IOException("Debugger launch time-out exceeded");
} else {
try {
Thread.sleep(launchRetryInterval);
} catch(InterruptedException ex) {
// No action, re-try immediately in this case.
}
}
}
} while (retry);
return vm;
}
/**
* Wait for the debugger to connect to our connector
* and return the new VirtualMachine.
*
* @param connector
* @param p
* @param process
* @param map
* @param monitor
* @return
* @throws CoreException
* @throws IOException
* @throws IllegalConnectorArgumentsException
*/
private VirtualMachine waitForDebuggerConnection(
ListeningConnector connector,
Process p,
IProcess process,
Map map,
IProgressMonitor monitor)
throws CoreException, IOException,
IllegalConnectorArgumentsException
{
VirtualMachine vm = null;
boolean retry = false;
do {
try {
ConnectRunnable runnable =
new ConnectRunnable(connector, map);
Thread connectThread =
new Thread(runnable, "Listening Connector");
connectThread.start();
while (connectThread.isAlive()) {
if (monitor.isCanceled()) {
connector.stopListening(map);
p.destroy();
break;
}
try {
p.exitValue();
// process has terminated - stop waiting for a connection
try {
connector.stopListening(map);
} catch (IOException e) {
// expected
}
checkErrorMessage(process);
} catch (IllegalThreadStateException e) {
// expected while process is alive
}
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
}
Exception ex = runnable.getException();
if (ex instanceof IllegalConnectorArgumentsException) {
throw (IllegalConnectorArgumentsException)ex;
}
if (ex instanceof InterruptedIOException) {
throw (InterruptedIOException)ex;
}
if (ex instanceof IOException) {
throw (IOException)ex;
}
vm = runnable.getVirtualMachine();
break;
} catch (InterruptedIOException e) {
checkErrorMessage(process);
// timeout, consult status handler if there is one
IStatus status = new Status(
IStatus.ERROR,
IEclipseMECoreConstants.PLUGIN_ID,
IJavaLaunchConfigurationConstants.ERR_VM_CONNECT_TIMEOUT,
"", e);
IStatusHandler handler = DebugPlugin.getDefault().getStatusHandler(status);
retry = false;
if (handler == null) {
// if there is no handler, throw the exception
throw new CoreException(status);
} else {
Object result = handler.handleStatus(status, this);
if (result instanceof Boolean) {
retry = ((Boolean)result).booleanValue();
}
}
}
} while (retry);
return vm;
}
/**
* Run the emulator without debugging.
*
* @param vmRunnerConfig
* @param launchConfig
* @param launch
* @param monitor
* @throws CoreException
*/
public void runWithoutDebug(
VMRunnerConfiguration vmRunnerConfig,
ILaunchConfiguration launchConfig,
ILaunch launch,
IProgressMonitor monitor)
throws CoreException
{
if (monitor == null) {
monitor = new NullProgressMonitor();
}
IProgressMonitor subMonitor = new SubProgressMonitor(monitor, 1);
subMonitor.beginTask(EclipseMECoreStrings.getString("debugvmrunner.launching_vm"), 3);
// check for cancellation
if (monitor.isCanceled()) {
return;
}
subMonitor.subTask(EclipseMECoreStrings.getString("debugvmrunner.constructing_cmd_line"));
String[] cmdLine = getCommandLine(launchConfig, -1, monitor);
Utils.dumpCommandLine(cmdLine);
// check for cancellation
if (monitor.isCanceled()) {
return;
}
subMonitor.worked(1);
subMonitor.subTask(EclipseMECoreStrings.getString("debugvmrunner.starting_VM"));
// check for cancellation
if (monitor.isCanceled()) {
return;
}
File workingDir = getWorkingDir(vmRunnerConfig);
Process p = exec(cmdLine, workingDir);
if (p == null) {
return;
}
// check for cancellation
if (monitor.isCanceled()) {
p.destroy();
return;
}
IProcess process = DebugPlugin.newProcess(
launch, p,
renderProcessLabel(cmdLine),
getDefaultProcessMap());
process.setAttribute(
IProcess.ATTR_CMDLINE,
renderCommandLine(cmdLine));
subMonitor.worked(1);
}
/**
* @see org.eclipse.jdt.launching.AbstractVMRunner#getPluginIdentifier()
*/
protected String getPluginIdentifier() {
return IEclipseMECoreConstants.PLUGIN_ID;
}
/**
* Add the specified arguments array to the list of arguments.
*
* @param args
* @param allArgs
*/
protected void addArguments(String[] args, List allArgs) {
if (args != null) {
for (int i= 0; i < args.length; i++) {
allArgs.add(args[i]);
}
}
}
/**
* Check for an error message and throw an exception as necessary.
*
* @param process
* @throws CoreException
*/
protected void checkErrorMessage(IProcess process) throws CoreException {
String errorMessage = process.getStreamsProxy().getErrorStreamMonitor().getContents();
if (errorMessage.length() == 0) {
errorMessage = process.getStreamsProxy().getOutputStreamMonitor().getContents();
}
if (errorMessage.length() != 0) {
abort(errorMessage, null, IJavaLaunchConfigurationConstants.ERR_VM_LAUNCH_ERROR);
}
}
/**
* Get the appropriate JDI AttachingConnector instance.
*
* @return
*/
private AttachingConnector getAttachingConnector() {
AttachingConnector connector = null;
List connectors =
Bootstrap.virtualMachineManager().attachingConnectors();
for (int i= 0; i < connectors.size(); i++) {
AttachingConnector c = (AttachingConnector) connectors.get(i);
if ("com.sun.jdi.SocketAttach".equals(c.name()))
connector = c;
}
return connector;
}
/**
* Get the appropriate JDI ListenerConnector instance.
*
* @return
*/
private ListeningConnector getListeningConnector() {
ListeningConnector connector = null;
List connectors = Bootstrap.virtualMachineManager().listeningConnectors();
for (int i= 0; i < connectors.size(); i++) {
ListeningConnector c = (ListeningConnector) connectors.get(i);
if ("com.sun.jdi.SocketListen".equals(c.name()))
connector = c;
}
return connector;
}
/**
* Returns the working directory to use for the launched VM,
* or <code>null</code> if the working directory is to be inherited
* from the current process.
*
* @return the working directory to use
* @exception CoreException if the working directory specified by
* the configuration does not exist or is not a directory
*/
private File getWorkingDir(VMRunnerConfiguration config)
throws CoreException
{
File dir = null;
String path = null;
if (device instanceof IDevice2) {
File deviceWorkingDirectory = ((IDevice2) device).getWorkingDirectory();
if ((deviceWorkingDirectory != null) && deviceWorkingDirectory.exists()) {
path = deviceWorkingDirectory.getPath();
}
}
if (path == null) {
path = config.getWorkingDirectory();
}
if (path != null) {
dir = new File(path);
if (!dir.isDirectory()) {
abort(EclipseMECoreStrings.getString(
"debugvmrunner.workingdir_not_dir",
new String[] {path}),
null,
IJavaLaunchConfigurationConstants.ERR_WORKING_DIRECTORY_DOES_NOT_EXIST);
}
}
return dir;
}
/**
* Specify new connector arguments to the JDI connector.
*
* @param map
* @param portNumber
*/
private void specifyArguments(Map map, int portNumber) {
Connector.IntegerArgument port =
(Connector.IntegerArgument) map.get("port");
port.setValue(portNumber);
Connector.IntegerArgument timeoutArg =
(Connector.IntegerArgument) map.get("timeout");
if (timeoutArg != null) {
int timeout =
JavaRuntime.getPreferences().getInt(JavaRuntime.PREF_CONNECT_TIMEOUT);
timeoutArg.setValue(timeout);
}
}
/**
* @param monitor
* @see eclipseme.core.internal.launching.EmulatorRunner#getCommandLine(org.eclipse.jdt.launching.VMRunnerConfiguration, int)
*/
protected String[] getCommandLine(ILaunchConfiguration config, int port, IProgressMonitor monitor)
throws CoreException
{
LaunchEnvironment launchEnvironment = new LaunchEnvironment();
launchEnvironment.setDebugLaunch(debugMode);
launchEnvironment.setDebugListenerPort(port);
launchEnvironment.setLaunchConfiguration(config);
launchEnvironment.setMidletSuite(suite);
String commandLineString = device.getLaunchCommand(launchEnvironment, monitor);
ExecutionArguments execArgs = new ExecutionArguments("", commandLineString);
String[] cmdLine = execArgs.getProgramArgumentsArray();
return cmdLine;
}
/**
* @see org.eclipse.jdt.launching.IVMRunner#run(org.eclipse.jdt.launching.VMRunnerConfiguration, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
*/
public void run(VMRunnerConfiguration configuration, ILaunch launch, IProgressMonitor monitor)
throws CoreException
{
// Method provided to meet the superclass requirement. Is not called.
}
}
The table below shows all metrics for EmulatorRunner.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 89.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 202.00 | Comment lines | |
| COMMENT_DENSITY | 0.53 | Comment density | |
| COMPARISONS | 43.00 | Number of comparison operators | |
| CYCLOMATIC | 80.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 27.00 | Comments in declarations | |
| DOC_COMMENT | 187.00 | Number of javadoc comment lines | |
| ELOC | 383.00 | Effective lines of code | |
| EXEC_COMMENTS | 15.00 | Comments in executable code | |
| EXITS | 85.00 | Procedure exits | |
| FUNCTIONS | 24.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 80.85 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 112.00 | 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 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 3.00 | 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 | 2.00 | 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 | 2.00 | 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 | 2.00 | 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 | 10.00 | 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 | 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 | 3.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 1.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 4.00 | 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 | 2.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 1653.00 | 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 | 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 | 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 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 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 | 1.00 | 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 | 1.00 | 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 | 765.00 | Number of lines in the source file | |
| LINE_COMMENT | 15.00 | Number of line comments | |
| LOC | 468.00 | Lines of code | |
| LOGICAL_LINES | 214.00 | Number of statements | |
| LOOPS | 7.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 1020.00 | Number of operands | |
| OPERATORS | 1760.00 | Number of operators | |
| PARAMS | 45.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2780.00 | Halstead program length | |
| PROGRAM_VOCAB | 380.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 67.00 | Number of return points from functions | |
| SIZE | 21335.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 328.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 52.00 | Number of unique operators | |
| WHITESPACE | 95.00 | Number of whitespace lines | |