/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* 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 - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.consolelog.structures;
import java.io.IOException;
import org.eclipse.linuxtools.internal.systemtap.ui.consolelog.structures.Messages;
import org.eclipse.linuxtools.systemtap.graphing.ui.widgets.ExceptionErrorDialog;
import org.eclipse.linuxtools.systemtap.structures.listeners.IGobblerListener;
import org.eclipse.ui.console.IOConsoleOutputStream;
/**
* A class push data to a ScriptConsole.
* @author Ryan Morse
*/
public class ConsoleStreamDaemon implements IGobblerListener {
public ConsoleStreamDaemon(ScriptConsole console) {
if(null != console) {
ioConsole = console.newOutputStream();
}
disposed = false;
}
/**
* Prints out the new output data to the console
*/
protected void pushData() {
if(null != ioConsole) {
try {
ioConsole.write(output);
} catch (IOException e) {
ExceptionErrorDialog.openError(Messages.ConsoleStreamDaemon_errorWritingToConsole, e);
}
}
}
/**
* Captures data events and pushes the data to the console
*/
@Override
public void handleDataEvent(String line) {
output = line;
this.pushData();
}
/**
* Checks to see if the class has been disposed already
* @return boolean representing whether or not the class has been disposed
*/
public boolean isDisposed() {
return disposed;
}
/**
* Disposes of all internal references in the class. No method should be called after this.
*/
public void dispose() {
if(!disposed) {
disposed = true;
output = null;
ioConsole = null;
}
}
protected String output;
protected IOConsoleOutputStream ioConsole;
private boolean disposed;
}