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/*******************************************************************************
* Copyright (c) 2005, 2009, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Red Hat Inc. - modify to use with RDT
*******************************************************************************/
package org.eclipse.linuxtools.internal.rdt.proxy;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.util.Arrays;
import java.util.Map;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.linuxtools.profiling.launch.IRemoteCommandLauncher;
import org.eclipse.linuxtools.rdt.proxy.Activator;
import org.eclipse.ptp.remote.core.IRemoteConnection;
import org.eclipse.ptp.remote.core.IRemoteFileManager;
import org.eclipse.ptp.remote.core.IRemoteProcess;
import org.eclipse.ptp.remote.core.IRemoteProcessBuilder;
import org.eclipse.ptp.remote.core.IRemoteServices;
import org.eclipse.ptp.remote.core.PTPRemoteCorePlugin;
import org.eclipse.ptp.remote.core.RemoteProcessAdapter;
/**
* @noextend This class is not intended to be subclassed by clients.
*/
public class RDTCommandLauncher implements IRemoteCommandLauncher {
public final static int COMMAND_CANCELED = IRemoteCommandLauncher.COMMAND_CANCELED;
public final static int ILLEGAL_COMMAND = IRemoteCommandLauncher.ILLEGAL_COMMAND;
public final static int OK = IRemoteCommandLauncher.OK;
protected IRemoteProcess fProcess;
protected boolean fShowCommand;
protected String[] fCommandArgs;
protected String fErrorMessage = ""; //$NON-NLS-1$
private String lineSeparator;
private IProject fProject;
/**
* The number of milliseconds to pause between polling.
*/
protected static final long DELAY = 50L;
/**
* Creates a new launcher Fills in stderr and stdout output to the given
* streams. Streams can be set to <code>null</code>, if output not
* required
*/
public RDTCommandLauncher(IProject project) {
fProcess = null;
fShowCommand = false;
fProject = project;
lineSeparator = System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
}
public void showCommand(boolean show) {
fShowCommand = show;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.ICommandLauncher#getErrorMessage()
*/
public String getErrorMessage() {
return fErrorMessage;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.ICommandLauncher#setErrorMessage(java.lang.String)
*/
public void setErrorMessage(String error) {
fErrorMessage = error;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.ICommandLauncher#getCommandArgs()
*/
public String[] getCommandArgs() {
return fCommandArgs;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.ICommandLauncher#getCommandLine()
*/
public String getCommandLine() {
return getCommandLine(getCommandArgs());
}
/**
* Constructs a command array that will be passed to the process
*/
protected String[] constructCommandArray(String command, String[] commandArgs) {
String[] args = new String[1 + commandArgs.length];
args[0] = command;
System.arraycopy(commandArgs, 0, args, 1, commandArgs.length);
return args;
}
/**
* @see org.eclipse.cdt.core.IRemoteCommandLauncher#execute(IPath, String[], String[], IPath, IProgressMonitor)
*/
public Process execute(IPath commandPath, String[] args, String[] env, IPath changeToDirectory, IProgressMonitor monitor) throws CoreException {
try {
// add platform specific arguments (shell invocation)
fCommandArgs = constructCommandArray(commandPath.toOSString(), args);
fShowCommand = true;
URI uri = fProject.getLocationURI();
IRemoteServices services = PTPRemoteCorePlugin.getDefault().getRemoteServices(uri);
IRemoteConnection connection = services.getConnectionManager().getConnection(uri);
IRemoteFileManager fm = services.getFileManager(connection);
IRemoteProcessBuilder builder = services.getProcessBuilder(connection, Arrays.asList(fCommandArgs));
if (changeToDirectory != null)
builder.directory(fm.getResource(changeToDirectory.toString()));
Map<String,String> envMap = builder.environment();
for (int i = 0; i < env.length; ++i) {
String s = env[i];
String[] tokens = s.split("=", 2);
envMap.put(tokens[0], tokens[1]);
}
fProcess = builder.start();
fErrorMessage = ""; //$NON-NLS-1$
} catch (IOException e) {
setErrorMessage(e.getMessage());
return null;
}
return new RemoteProcessAdapter(fProcess);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IRemoteCommandLauncher#waitAndRead(java.io.OutputStream, java.io.OutputStream, org.eclipse.core.runtime.IProgressMonitor)
*/
public int waitAndRead(OutputStream output, OutputStream err, IProgressMonitor monitor) {
if (fShowCommand) {
printCommandLine(output);
}
if (fProcess == null) {
return ILLEGAL_COMMAND;
}
RemoteProcessClosure closure = new RemoteProcessClosure(fProcess, output, err);
closure.runNonBlocking();
while (!monitor.isCanceled() && closure.isAlive()) {
try {
Thread.sleep(DELAY);
} catch (InterruptedException ie) {
// ignore
}
}
int state = OK;
// Operation canceled by the user, terminate abnormally.
if (monitor.isCanceled()) {
closure.terminate();
state = COMMAND_CANCELED;
setErrorMessage(Activator.getResourceString("CommandLauncher.error.commandCanceled")); //$NON-NLS-1$
}
try {
fProcess.waitFor();
} catch (InterruptedException e) {
// ignore
}
return state;
}
protected void printCommandLine(OutputStream os) {
if (os != null) {
String cmd = getCommandLine(getCommandArgs());
try {
os.write(cmd.getBytes());
os.flush();
} catch (IOException e) {
// ignore;
}
}
}
protected String getCommandLine(String[] commandArgs) {
StringBuffer buf = new StringBuffer();
if (fCommandArgs != null) {
for (String commandArg : commandArgs) {
buf.append(commandArg);
buf.append(' ');
}
buf.append(lineSeparator);
}
return buf.toString();
}
}
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