| /* |
| * 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 atribute. |
| * |
| * @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 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()); |
| } |
| } |