org.apache.tools.ant.taskdefs.launcher.WinNTCommandLauncher Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.taskdefs.launcher;
import java.io.File;
import java.io.IOException;
import org.apache.tools.ant.Project;
/**
* A command launcher for Windows XP/2000/NT that uses 'cmd.exe' when
* launching commands in directories other than the current working
* directory.
*/
public class WinNTCommandLauncher extends CommandLauncherProxy {
public WinNTCommandLauncher(CommandLauncher launcher) {
super(launcher);
}
/**
* Launches the given command in a new process, in the given
* working directory.
*
* @param project
* the Ant project.
* @param cmd
* the command line to execute as an array of strings.
* @param env
* the environment to set as an array of strings.
* @param workingDir
* working directory where the command should run.
* @return the created Process.
* @throws IOException
* forwarded from the exec method of the command launcher.
*/
@Override
public Process exec(Project project, String[] cmd, String[] env,
File workingDir) throws IOException {
File commandDir = workingDir;
if (workingDir == null) {
if (project != null) {
commandDir = project.getBaseDir();
} else {
return exec(project, cmd, env);
}
}
// Use cmd.exe to change to the specified directory before running
// the command
final int preCmdLength = 6;
String[] newcmd = new String[cmd.length + preCmdLength];
// CheckStyle:MagicNumber OFF - do not bother
newcmd[0] = "cmd";
newcmd[1] = "/c";
newcmd[2] = "cd";
newcmd[3] = "/d";
newcmd[4] = commandDir.getAbsolutePath();
newcmd[5] = "&&";
// CheckStyle:MagicNumber ON
System.arraycopy(cmd, 0, newcmd, preCmdLength, cmd.length);
return exec(project, newcmd, env);
}
}