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/*
* 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.
*
*/
/*
* 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;
/**
* Chgrp equivalent for unix-like environments.
*
* @since Ant 1.6
*
* @ant.task category="filesystem"
*/
public class Chgrp extends AbstractAccessTask {
private boolean haveGroup = false;
/**
* Chgrp task for setting unix group of a file.
*/
public Chgrp() {
super.setExecutable("chgrp");
}
/**
* Set the group attribute.
*
* @param group The new group for the file(s) or directory(ies)
*/
public void setGroup(String group) {
createArg().setValue(group);
haveGroup = true;
}
/**
* Ensure that all the required arguments and other conditions have
* been set.
*/
protected void checkConfiguration() {
if (!haveGroup) {
throw new BuildException("Required attribute group not set in "
+ "chgrp", getLocation());
}
super.checkConfiguration();
}
/**
* We don't want to expose the executable attribute, so override 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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