/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.ant;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.Task;
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public class Launcher extends Thread {
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Task task;
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String[] command;
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String endMsg;
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File dir;
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Map<String, String> environmentVariables = new HashMap<String, String>();
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public Launcher(Task task, String[] command, String endMsg, String dir) {
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this.task = task;
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this.command = command;
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this.endMsg = endMsg;
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this.dir = (dir!=null ? new File(dir) : null);
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}
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public void run() {
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String logCommand = "";
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for (String commandPart: command) {
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logCommand += commandPart+" ";
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}
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try {
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task.log("starting '" + logCommand + "'...");
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ProcessBuilder processBuilder = new ProcessBuilder(command)
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.redirectErrorStream(true)
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.directory(dir);
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if (!environmentVariables.isEmpty()) {
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processBuilder.environment().putAll(environmentVariables);
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}
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Process process = processBuilder.start();
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BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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String line = "";
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while (line.indexOf(endMsg) == -1) {
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line = reader.readLine();
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task.log(line);
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}
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task.log("'" + command[0] + "' started.");
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} catch (IOException e) {
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throw new BuildException("couldn't start '" + logCommand + "'", e);
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}
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}
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public void setEnvironmentVariable(String variableName, String value) {
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environmentVariables.put(variableName, value);
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}
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}
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