| /********************************************************************** |
| * Copyright (c) 2014, 2015 Wind River Systems, Inc. and others |
| * |
| * All rights reserved. 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: |
| * Markus Schorn - Initial API and implementation |
| **********************************************************************/ |
| package org.eclipse.tracecompass.internal.tmf.remote.core.shell; |
| |
| import static org.eclipse.tracecompass.common.core.NonNullUtils.nullToEmptyString; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jdt.annotation.NonNullByDefault; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.tmf.remote.core.shell.ICommandOutputListener; |
| |
| @NonNullByDefault |
| class InputReader { |
| private static final int JOIN_TIMEOUT = 300; |
| private static final int BYTES_PER_KB = 1024; |
| |
| private final InputStreamReader fReader; |
| private final Thread fThread; |
| private final StringBuilder fResult; |
| private volatile boolean fDone; |
| |
| public InputReader(InputStream inputStream, @Nullable final ICommandOutputListener listener, final boolean isStdOut) { |
| fResult = new StringBuilder(); |
| fReader = new InputStreamReader(inputStream); |
| fThread = new Thread() { |
| @Override |
| public void run() { |
| final char[] buffer = new char[BYTES_PER_KB]; |
| int read; |
| try { |
| while (!fDone && (read = fReader.read(buffer)) > 0) { |
| fResult.append(buffer, 0, read); |
| if (listener != null) { |
| if (isStdOut) { |
| listener.outputUpdated(String.valueOf(buffer, 0, read)); |
| } else { |
| listener.errorOutputUpdated(String.valueOf(buffer, 0, read)); |
| } |
| } |
| } |
| } catch (IOException e) { |
| } |
| } |
| }; |
| fThread.start(); |
| } |
| |
| public void waitFor(IProgressMonitor monitor) throws InterruptedException { |
| while (fThread.isAlive() && (!monitor.isCanceled())) { |
| fThread.join(JOIN_TIMEOUT); |
| } |
| } |
| |
| public void stop() { |
| fDone = true; |
| fThread.interrupt(); |
| } |
| |
| @Override |
| public String toString() { |
| return nullToEmptyString(fResult.toString()); |
| } |
| |
| } |