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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.core.client;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.team.internal.ccvs.core.client.listeners.IConsoleListener;
/**
* Class which forwards CVS console output to 1 or more
* registered console listeners.
*/
public class ConsoleListeners implements IConsoleListener {
private static ConsoleListeners instance = new ConsoleListeners();
private Set listeners = new HashSet();
/**
* Return the console listeners
* @return the console listeners
*/
public static ConsoleListeners getInstance() {
return instance;
}
public void addListener(IConsoleListener listener) {
synchronized(listeners) {
listeners.add(listener);
}
}
public void removeListener(IConsoleListener listener) {
synchronized(listeners) {
listeners.remove(listener);
}
}
private IConsoleListener[] getListeners() {
synchronized(listeners) {
return (IConsoleListener[]) listeners.toArray(new IConsoleListener[listeners.size()]);
}
}
@Override
public void commandInvoked(final Session session, final String line) {
if (listeners.isEmpty()) return;
IConsoleListener[] listeners = getListeners();
for (int i = 0; i < listeners.length; i++) {
final IConsoleListener listener = listeners[i];
Platform.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
// Exception logged by Platform
}
public void run() throws Exception {
listener.commandInvoked(session, line);
}
});
}
}
@Override
public void messageLineReceived(final Session session, final String line, final IStatus status) {
if (listeners.isEmpty()) return;
IConsoleListener[] listeners = getListeners();
for (int i = 0; i < listeners.length; i++) {
final IConsoleListener listener = listeners[i];
Platform.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
// Exception logged by Platform
}
public void run() throws Exception {
listener.messageLineReceived(session, line, status);
}
});
}
}
@Override
public void errorLineReceived(final Session session, final String line, final IStatus status) {
if (listeners.isEmpty()) return;
IConsoleListener[] listeners = getListeners();
for (int i = 0; i < listeners.length; i++) {
final IConsoleListener listener = listeners[i];
Platform.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
// Exception logged by Platform
}
public void run() throws Exception {
listener.errorLineReceived(session, line, status);
}
});
}
}
@Override
public void commandCompleted(final Session session, final IStatus status, final Exception exception) {
if (listeners.isEmpty()) return;
IConsoleListener[] listeners = getListeners();
for (int i = 0; i < listeners.length; i++) {
final IConsoleListener listener = listeners[i];
Platform.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
// Exception logged by Platform
}
public void run() throws Exception {
listener.commandCompleted(session, status, exception);
}
});
}
}
}
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