Package org.eclipse.cdt.core

Class CommandLauncher

java.lang.Object

org.eclipse.cdt.core.CommandLauncher

All Implemented Interfaces:

ICommandLauncher

public class CommandLauncher
extends Object
implements ICommandLauncher

Restriction:

This class is not intended to be subclassed by clients.

Field Summary

Fields

Modifier and Type	Field	Description
static int	COMMAND_CANCELED
protected static long	DELAY	The number of milliseconds to pause between polling.
protected String[]	fCommandArgs
protected String	fErrorMessage
protected Process	fProcess
protected boolean	fShowCommand
static int	ILLEGAL_COMMAND
static int	OK

Constructor Summary

Constructors

Constructor	Description
CommandLauncher()	Creates a new launcher Fills in stderr and stdout output to the given streams.

Method Summary

Modifier and Type	Method	Description
protected String[]	constructCommandArray(String command, String[] commandArgs)	Constructs a command array that will be passed to the process
Process	execute(org.eclipse.core.runtime.IPath commandPath, String[] args, String[] env, org.eclipse.core.runtime.IPath changeToDirectory)	Deprecated.
Process	execute(org.eclipse.core.runtime.IPath commandPath, String[] args, String[] env, org.eclipse.core.runtime.IPath workingDirectory, org.eclipse.core.runtime.IProgressMonitor monitor)	Execute a command
String[]	getCommandArgs()	Returns an array of the command line arguments that were last used to execute a command.
String	getCommandLine()	Returns the constructed command line of the last command executed.
protected String	getCommandLine(String[] commandArgs)
Properties	getEnvironment()	Returns the set of environment variables in the context of which this launcher will execute commands.
String	getErrorMessage()	Returns a human readable error message corresponding to the last error encountered during command execution.
org.eclipse.core.resources.IProject	getProject()	Gets the project this launcher is associated with.
protected void	printCommandLine(OutputStream os)
void	setErrorMessage(String error)	Sets the human readable error message corresponding to the last error encountered during command execution.
void	setProject(org.eclipse.core.resources.IProject project)	Sets the project that this launcher is associated with, or null if there is no such project.
void	showCommand(boolean show)	Sets if the command should be printed out first before executing.
int	waitAndRead(OutputStream out, OutputStream err)	Deprecated.
int	waitAndRead(OutputStream output, OutputStream err, org.eclipse.core.runtime.IProgressMonitor monitor)	Reads output form the process to the streams.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

COMMAND_CANCELED

public static final int COMMAND_CANCELED

See Also:

Constant Field Values

ILLEGAL_COMMAND

public static final int ILLEGAL_COMMAND

See Also:

Constant Field Values

OK

public static final int OK

See Also:

Constant Field Values

fProcess

protected Process fProcess

fShowCommand

protected boolean fShowCommand

fCommandArgs

protected String[] fCommandArgs

fErrorMessage

protected String fErrorMessage

DELAY

protected static final long DELAY

The number of milliseconds to pause between polling.

See Also:

Constant Field Values

Constructor Detail

CommandLauncher

public CommandLauncher()

Creates a new launcher Fills in stderr and stdout output to the given streams. Streams can be set to null, if output not required

Method Detail

showCommand

public void showCommand(boolean show)

Description copied from interface: ICommandLauncher

Sets if the command should be printed out first before executing.

Specified by:

showCommand in interface ICommandLauncher

getErrorMessage

public String getErrorMessage()

Description copied from interface: ICommandLauncher

Returns a human readable error message corresponding to the last error encountered during command execution.

Specified by:

getErrorMessage in interface ICommandLauncher

Returns:

A String corresponding to the error, or null if there has been no error. The message could be multi-line, however it is NOT guaranteed that it ends with end of line.

setErrorMessage

public void setErrorMessage(String error)

Description copied from interface: ICommandLauncher

Sets the human readable error message corresponding to the last error encountered during command execution. A subsequent call to getErrorMessage() will return this string.

Specified by:

setErrorMessage in interface ICommandLauncher

Parameters:

error - A String corresponding to the error message, or null if the error state is intended to be cleared.

getCommandArgs

public String[] getCommandArgs()

Description copied from interface: ICommandLauncher

Returns an array of the command line arguments that were last used to execute a command.

Specified by:

getCommandArgs in interface ICommandLauncher

Returns:

an array of type String[] corresponding to the arguments. The array can be empty, but should not be null.

getEnvironment

public Properties getEnvironment()

Description copied from interface: ICommandLauncher

Returns the set of environment variables in the context of which this launcher will execute commands.

Specified by:

getEnvironment in interface ICommandLauncher

Returns:

Properties

getCommandLine

public String getCommandLine()

Description copied from interface: ICommandLauncher

Returns the constructed command line of the last command executed.

Specified by:

getCommandLine in interface ICommandLauncher

Returns:

String

constructCommandArray

protected String[] constructCommandArray(String command,
                                         String[] commandArgs)

Constructs a command array that will be passed to the process

execute

@Deprecated
public Process execute(org.eclipse.core.runtime.IPath commandPath,
                       String[] args,
                       String[] env,
                       org.eclipse.core.runtime.IPath changeToDirectory)

Deprecated.

Since:

5.1

execute

public Process execute(org.eclipse.core.runtime.IPath commandPath,
                       String[] args,
                       String[] env,
                       org.eclipse.core.runtime.IPath workingDirectory,
                       org.eclipse.core.runtime.IProgressMonitor monitor)
                throws org.eclipse.core.runtime.CoreException

Description copied from interface: ICommandLauncher

Execute a command

Specified by:

execute in interface ICommandLauncher

env - The list of environment variables in variable=value format.

Throws:

org.eclipse.core.runtime.CoreException - if there is an error executing the command.

Since:

5.1

See Also:

ICommandLauncher.execute(IPath, String[], String[], IPath, IProgressMonitor)

waitAndRead

@Deprecated
public int waitAndRead(OutputStream out,
                       OutputStream err)

Deprecated.

Specified by:

waitAndRead in interface ICommandLauncher

waitAndRead

public int waitAndRead(OutputStream output,
                       OutputStream err,
                       org.eclipse.core.runtime.IProgressMonitor monitor)

Description copied from interface: ICommandLauncher

Reads output form the process to the streams. A progress monitor is polled to test if the cancel button has been pressed. Destroys the process if the monitor becomes canceled override to implement a different way to read the process inputs

Specified by:

waitAndRead in interface ICommandLauncher

printCommandLine

protected void printCommandLine(OutputStream os)

getCommandLine

protected String getCommandLine(String[] commandArgs)

getProject

public org.eclipse.core.resources.IProject getProject()

Description copied from interface: ICommandLauncher

Gets the project this launcher is associated with.

Specified by:

getProject in interface ICommandLauncher

Returns:

IProject, or null if there is no such project.

Since:

5.1

See Also:

ICommandLauncher.getProject()

setProject

public void setProject(org.eclipse.core.resources.IProject project)

Description copied from interface: ICommandLauncher

Sets the project that this launcher is associated with, or null if there is no such project.

Specified by:

setProject in interface ICommandLauncher

Since:

5.1

See Also:

ICommandLauncher.setProject(org.eclipse.core.resources.IProject)