/*
 *  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
 *
 *      https://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;

import java.io.File;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;

Determines the directory name of the specified file.
This task can accept the following attributes:

file
property

Both file and property are required.

When this task executes, it will set the specified property to the
value of the specified file up to, but not including, the last path
element. If file is a file, the directory will be the current
directory.
Since:
Ant 1.5
@ant.task
category="property"/**
 * Determines the directory name of the specified file.
 *
 * This task can accept the following attributes:
 * <ul>
 * <li>file
 * <li>property
 * </ul>
 * Both <b>file</b> and <b>property</b> are required.
 * <p>
 * When this task executes, it will set the specified property to the
 * value of the specified file up to, but not including, the last path
 * element. If file is a file, the directory will be the current
 * directory.
 *
 *
 * @since Ant 1.5
 *
 * @ant.task category="property"
 */

public class Dirname extends Task {
    private File file;
    private String property;

    
Path to take the dirname of.
Params:
file – a File value/**
     * Path to take the dirname of.
     * @param file a <code>File</code> value
     */
    public void setFile(File file) {
        this.file = file;
    }

    
The name of the property to set.
Params:
property – the name of the property/**
     * The name of the property to set.
     * @param property the name of the property
     */
    public void setProperty(String property) {
        this.property = property;
    }

    
Execute this task.
Throws:
BuildException – on error/**
     * Execute this task.
     * @throws BuildException on error
     */
    @Override
    public void execute() throws BuildException {
        if (property == null) {
            throw new BuildException("property attribute required", getLocation());
        }
        if (file == null) {
            throw new BuildException("file attribute required", getLocation());
        }
        getProject().setNewProperty(property, file.getParent());
    }
}