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/*******************************************************************************
* Copyright (c) 2000, 2020 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.debug.internal.core;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.debug.core.IBinaryStreamListener;
import org.eclipse.debug.core.IStreamListener;
import org.eclipse.debug.core.model.IBinaryStreamMonitor;
import org.eclipse.debug.core.model.IBinaryStreamsProxy;
import org.eclipse.debug.core.model.IStreamMonitor;
public class NullStreamsProxy implements IBinaryStreamsProxy {
private NullStreamMonitor outputStreamMonitor;
private NullStreamMonitor errorStreamMonitor;
@SuppressWarnings("resource")
public NullStreamsProxy(Process process) {
outputStreamMonitor = new NullStreamMonitor(process.getInputStream());
errorStreamMonitor = new NullStreamMonitor(process.getErrorStream());
}
@Override
public void closeInputStream() throws IOException {
}
@Override
public IStreamMonitor getErrorStreamMonitor() {
return errorStreamMonitor;
}
@Override
public IStreamMonitor getOutputStreamMonitor() {
return outputStreamMonitor;
}
@Override
public void write(String input) throws IOException {
}
@Override
public IBinaryStreamMonitor getBinaryErrorStreamMonitor() {
return errorStreamMonitor;
}
@Override
public IBinaryStreamMonitor getBinaryOutputStreamMonitor() {
return outputStreamMonitor;
}
@Override
public void write(byte[] data, int offset, int length) throws IOException {
}
private class NullStreamMonitor implements IBinaryStreamMonitor {
private InputStream fStream;
public NullStreamMonitor(InputStream stream) {
fStream = stream;
startReaderThread();
}
private void startReaderThread() {
Thread thread = new Thread((Runnable) () -> {
byte[] bytes = new byte[1024];
try (InputStream stream = fStream) {
while (stream.read(bytes) >= 0) {
// do nothing
}
} catch (IOException e) {
}
}, DebugCoreMessages.NullStreamsProxy_0);
thread.setDaemon(true);
thread.start();
}
@Override
public void addListener(IStreamListener listener) {
}
@Override
public String getContents() {
return ""; //$NON-NLS-1$
}
@Override
public void flushContents() {
}
@Override
public void setBuffered(boolean buffer) {
}
@Override
public boolean isBuffered() {
return false;
}
@Override
public void removeListener(IStreamListener listener) {
}
@Override
public void addBinaryListener(IBinaryStreamListener listener) {
}
@Override
public byte[] getData() {
return new byte[0];
}
@Override
public void removeBinaryListener(IBinaryStreamListener listener) {
}
}
}
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