Java13CommandLauncher.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  *  contributor license agreements.  See the NOTICE file distributed with
  4.  *  this work for additional information regarding copyright ownership.
  5.  *  The ASF licenses this file to You under the Apache License, Version 2.0
  6.  *  (the "License"); you may not use this file except in compliance with
  7.  *  the License.  You may obtain a copy of the License at
  8.  *
  9.  *      https://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  *  Unless required by applicable law or agreed to in writing, software
  12.  *  distributed under the License is distributed on an "AS IS" BASIS,
  13.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  *  See the License for the specific language governing permissions and
  15.  *  limitations under the License.
  16.  */

  17. package org.apache.commons.exec.launcher;

  18. import java.io.File;
  19. import java.io.IOException;
  20. import java.util.Map;

  21. import org.apache.commons.exec.CommandLine;
  22. import org.apache.commons.exec.environment.EnvironmentUtils;

  23. /**
  24.  * A command launcher for Java 1.3 (and higher). Uses the built-in {@link Runtime#exec(String, String[], File)} command.
  25.  */
  26. public class Java13CommandLauncher extends CommandLauncherImpl {

  27.     /**
  28.      * Constructs a new instance.
  29.      */
  30.     public Java13CommandLauncher() {
  31.     }

  32.     /**
  33.      * Launches the given command in a new process, in the given working directory.
  34.      *
  35.      * @param cmd        the command line to execute as an array of strings.
  36.      * @param env        the environment to set as an array of strings.
  37.      * @param workingDir the working directory where the command should run.
  38.      * @throws IOException probably forwarded from {@link Runtime#exec(String[], String[], File)}.
  39.      */
  40.     @Override
  41.     public Process exec(final CommandLine cmd, final Map<String, String> env, final File workingDir) throws IOException {
  42.         return Runtime.getRuntime().exec(cmd.toStrings(), EnvironmentUtils.toStrings(env), workingDir);
  43.     }
  44. }