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; 026 027 /** 028 * A command launcher for Windows XP/2000/NT that uses 'cmd.exe' when launching 029 * commands in directories other than the current working directory. 030 */ 031 public class WinNTCommandLauncher extends CommandLauncherProxy { 032 public WinNTCommandLauncher(final CommandLauncher launcher) { 033 super(launcher); 034 } 035 036 /** 037 * Launches the given command in a new process, in the given working 038 * directory. 039 * 040 * @param cmd 041 * the command line to execute as an array of strings 042 * @param env 043 * the environment to set as an array of strings 044 * @param workingDir 045 * working directory where the command should run 046 * @throws IOException 047 * forwarded from the exec method of the command launcher 048 */ 049 public Process exec(final CommandLine cmd, final Map env, 050 final File workingDir) throws IOException { 051 if (workingDir == null) { 052 return exec(cmd, env); 053 } 054 055 // Use cmd.exe to change to the specified directory before running 056 // the command 057 CommandLine newCmd = new CommandLine("cmd"); 058 newCmd.addArgument("/c"); 059 newCmd.addArguments(cmd.toStrings()); 060 061 return exec(newCmd, env); 062 } 063 }