Android Open Source - mobilecloud Process Helper

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License

The source code is released under:

Apache License

Java Source Code

package com.fastnu.thesis;
/*w w  w  .ja  va 2  s. c  o m*/
/**
 * Copyright (c) 2011, FAST NU and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of FAST-NU or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * 
 * @author  Muhammad Ali
 * @author  Jawwad Shamsi
 * @version 0.1
 * @since   0.1
 */

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

public class ProcessHelper {
  // private static Logger log = Logger.getLogger(ProcessHelper.class);
  private List<Process> processes;

  public ProcessHelper() {
    processes = new ArrayList<Process>();

  }

  public Process startNewJavaProcess(final String optionsAsString,
      final String mainClass, final String[] arguments)
      throws IOException {

    ProcessBuilder processBuilder = createProcess(optionsAsString,
        mainClass, arguments);
    Process process = processBuilder.start();
    processes.add(process);
    // log.debug("Process " + process.toString() + " has started");
    return process;
  }

  private ProcessBuilder createProcess(final String optionsAsString,
      final String mainClass, final String[] arguments) {
    String jvm = System.getProperty("java.home") + File.separator + "bin"
        + File.separator + "java";
    String classpath = System.getProperty("java.class.path");
    // log.debug("classpath: " + classpath);
    // String workingDirectory = System.getProperty("user.dir");

    String[] options = optionsAsString.split(" ");
    List<String> command = new ArrayList<String>();
    command.add(jvm);
    command.addAll(Arrays.asList(options));
    command.add(mainClass);
    command.addAll(Arrays.asList(arguments));

    ProcessBuilder processBuilder = new ProcessBuilder(command);
    Map<String, String> environment = processBuilder.environment();
    environment.put("CLASSPATH", classpath);
    return processBuilder;
  }

  public void killProcess(final Process process) {
    process.destroy();
  }

  /**
   * Kill all processes.
   */
  public void shutdown() {
    // log.debug("Killing " + processes.size() + " processes.");
    for (Process process : processes) {
      killProcess(process);
    }
  }
}

Java Source Code List

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