/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.process;
import java.util.List;
import java.util.Vector;
/**
* Convenience class used to have more than one listener on any given process.
* @author Nicolas Rinaudo
*/
public class ProcessListenerList implements ProcessListener {
// - Instance fields -----------------------------------------------------
// -----------------------------------------------------------------------
/** All registered listeners. */
private List<ProcessListener> listeners;
// - Initialisation ------------------------------------------------------
// -----------------------------------------------------------------------
/**
* Creates a new process listener list.
*/
public ProcessListenerList() {
listeners = new Vector<ProcessListener>();
}
// - Listener registration -----------------------------------------------
// -----------------------------------------------------------------------
/**
* Adds the specified listener to the list of listeners.
* @param listener process listener to add.
*/
public void add(ProcessListener listener) {listeners.add(listener);}
/**
* Removes the specified listener from the list of listeners.
* @param listener process listener to remove.
*/
public void remove(ProcessListener listener) {listeners.remove(listener);}
// - Listener code -------------------------------------------------------
// -----------------------------------------------------------------------
/**
* Propagates the <i>process died</i> event to all registered listeners.
*/
public void processDied(int returnValue) {
for(ProcessListener listener : listeners)
listener.processDied(returnValue);
}
/**
* Propagates the <i>process output</i> event to all registered listeners.
*/
public void processOutput(byte[] buffer, int offset, int length) {
for(ProcessListener listener : listeners)
listener.processOutput(buffer, offset, length);
}
/**
* Propagates the <i>process output</i> event to all registered listeners.
*/
public void processOutput(String output) {
for(ProcessListener listener : listeners)
listener.processOutput(output);
}
}