| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.storm.maven.plugin.util; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.maven.plugin.Mojo; |
| |
| public class CommandExec { |
| private Mojo mojo; |
| |
| public CommandExec(Mojo mojo) { |
| this.mojo = mojo; |
| } |
| |
| public int run(List<String> command, List<String> output) { |
| int retCode = 1; |
| ProcessBuilder pb = new ProcessBuilder(command); |
| try { |
| Process p = pb.start(); |
| OutputBufferThread stdOut = new OutputBufferThread(p.getInputStream()); |
| OutputBufferThread stdErr = new OutputBufferThread(p.getErrorStream()); |
| stdOut.start(); |
| stdErr.start(); |
| retCode = p.waitFor(); |
| if (retCode != 0) { |
| mojo.getLog().warn(command + " failed with error code " + retCode); |
| for (String s : stdErr.getOutput()) { |
| mojo.getLog().debug(s); |
| } |
| } |
| stdOut.join(); |
| stdErr.join(); |
| output.addAll(stdOut.getOutput()); |
| } catch (Exception ex) { |
| mojo.getLog().warn(command + " failed: " + ex.toString()); |
| } |
| return retCode; |
| } |
| |
| private static class OutputBufferThread extends Thread { |
| private List<String> output; |
| private BufferedReader reader; |
| |
| public OutputBufferThread(InputStream is) { |
| this.setDaemon(true); |
| output = new ArrayList<String>(); |
| reader = new BufferedReader(new InputStreamReader(is)); |
| } |
| |
| @Override |
| public void run() { |
| try { |
| String line = reader.readLine(); |
| while (line != null) { |
| output.add(line); |
| line = reader.readLine(); |
| } |
| } catch (IOException ex) { |
| throw new RuntimeException("make failed with error code " |
| + ex.toString()); |
| } |
| } |
| |
| public List<String> getOutput() { |
| return output; |
| } |
| } |
| } |