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/*
* Copyright 2002-2004 The Apache Software Foundation
*
* Licensed 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.
*
*/
/*
* Since the initial version of this file was deveolped on the clock on
* an NSF grant I should say the following boilerplate:
*
* This material is based upon work supported by the National Science
* Foundaton under Grant No. EIA-0196404. Any opinions, findings, and
* conclusions or recommendations expressed in this material are those
* of the author and do not necessarily reflect the views of the
* National Science Foundation.
*/
package org.apache.tools.ant.taskdefs.optional.unix;
import org.apache.tools.ant.BuildException;
/**
* Chown equivalent for unix-like environments.
*
* @since Ant 1.6
*
* @ant.task category="filesystem"
*/
public class Chown extends AbstractAccessTask {
private boolean haveOwner = false;
/**
* Chown task for setting file and directory permissions.
*/
public Chown() {
super.setExecutable("chown");
}
/**
* Set the owner atribute.
*
* @param owner The new owner for the file(s) or directory(ies)
*/
public void setOwner(String owner) {
createArg().setValue(owner);
haveOwner = true;
}
/**
* Ensure that all the required arguments and other conditions have
* been set.
*/
protected void checkConfiguration() {
if (!haveOwner) {
throw new BuildException("Required attribute owner not set in"
+ " chown", getLocation());
}
super.checkConfiguration();
}
/**
* We don't want to expose the executable atribute, so overide it.
*
* @param e User supplied executable that we won't accept.
*/
public void setExecutable(String e) {
throw new BuildException(getTaskType()
+ " doesn\'t support the executable"
+ " attribute", getLocation());
}
}
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