| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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 |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.core; |
| |
| |
| import java.io.IOException; |
| |
| import org.eclipse.debug.core.model.IStreamMonitor; |
| import org.eclipse.debug.core.model.IStreamsProxy; |
| import org.eclipse.debug.core.model.IStreamsProxy2; |
| |
| /** |
| * Standard implementation of a streams proxy for s |
| * StreamsProxy |
| */ |
| |
| public class StreamsProxy implements IStreamsProxy, IStreamsProxy2 { |
| /** |
| * The monitor for the output stream (connected to standard out of the process) |
| */ |
| private OutputStreamMonitor fOutputMonitor; |
| /** |
| * The monitor for the error stream (connected to standard error of the process) |
| */ |
| private OutputStreamMonitor fErrorMonitor; |
| /** |
| * The monitor for the input stream (connected to standard in of the process) |
| */ |
| private InputStreamMonitor fInputMonitor; |
| /** |
| * Records the open/closed state of communications with |
| * the underlying streams. |
| */ |
| private boolean fClosed= false; |
| /** |
| * Creates a <code>StreamsProxy</code> on the streams |
| * of the given system process. |
| * |
| * @param process system process to create a streams proxy on |
| * @param encoding the process's encoding or <code>null</code> if default |
| */ |
| public StreamsProxy(Process process, String encoding) { |
| if (process == null) { |
| return; |
| } |
| fOutputMonitor= new OutputStreamMonitor(process.getInputStream(), encoding); |
| fErrorMonitor= new OutputStreamMonitor(process.getErrorStream(), encoding); |
| fInputMonitor= new InputStreamMonitor(process.getOutputStream()); |
| fOutputMonitor.startMonitoring(); |
| fErrorMonitor.startMonitoring(); |
| fInputMonitor.startMonitoring(); |
| } |
| |
| /** |
| * Causes the proxy to close all |
| * communications between it and the |
| * underlying streams after all remaining data |
| * in the streams is read. |
| */ |
| public void close() { |
| if (!fClosed) { |
| fClosed= true; |
| fOutputMonitor.close(); |
| fErrorMonitor.close(); |
| fInputMonitor.close(); |
| } |
| } |
| |
| /** |
| * Causes the proxy to close all |
| * communications between it and the |
| * underlying streams immediately. |
| * Data remaining in the streams is lost. |
| */ |
| public void kill() { |
| fClosed= true; |
| fOutputMonitor.kill(); |
| fErrorMonitor.kill(); |
| fInputMonitor.close(); |
| } |
| |
| /** |
| * @see IStreamsProxy#getErrorStreamMonitor() |
| */ |
| public IStreamMonitor getErrorStreamMonitor() { |
| return fErrorMonitor; |
| } |
| |
| /** |
| * @see IStreamsProxy#getOutputStreamMonitor() |
| */ |
| public IStreamMonitor getOutputStreamMonitor() { |
| return fOutputMonitor; |
| } |
| |
| /** |
| * @see IStreamsProxy#write(String) |
| */ |
| public void write(String input) throws IOException { |
| if (!fClosed) { |
| fInputMonitor.write(input); |
| } else { |
| throw new IOException(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IStreamsProxy2#closeInputStream() |
| */ |
| public void closeInputStream() throws IOException { |
| if (!fClosed) { |
| fInputMonitor.closeInputStream(); |
| } else { |
| throw new IOException(); |
| } |
| |
| } |
| |
| } |