001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 *
017 */
018
019 package org.apache.commons.exec.launcher;
020
021 import java.io.File;
022 import java.io.IOException;
023 import java.util.Map;
024
025 import org.apache.commons.exec.CommandLine;
026 import org.apache.commons.exec.environment.EnvironmentUtils;
027
028 /**
029 * A command launcher for JDK/JRE 1.3 (and higher). Uses the built-in
030 * Runtime.exec() command
031 */
032 public class Java13CommandLauncher extends CommandLauncherImpl {
033
034 /**
035 * Constructor
036 */
037 public Java13CommandLauncher() {
038 }
039
040 /**
041 * Launches the given command in a new process, in the given working
042 * directory
043 *
044 * @param cmd
045 * the command line to execute as an array of strings
046 * @param env
047 * the environment to set as an array of strings
048 * @param workingDir
049 * the working directory where the command should run
050 * @throws IOException
051 * probably forwarded from Runtime#exec
052 */
053 public Process exec(final CommandLine cmd, final Map env,
054 final File workingDir) throws IOException {
055
056 String[] envVars = EnvironmentUtils.toStrings(env);
057
058 return Runtime.getRuntime().exec(cmd.toStrings(),
059 envVars, workingDir);
060 }
061 }