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Ant example source code file (Sequential.java)

This example Ant source code file (Sequential.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

buildexception, buildexception, iterator, iterator, sequential, task, task, taskcontainer, util, vector, vector

The Sequential.java source code

/*
 *  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;

import java.util.Iterator;
import java.util.Vector;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.TaskContainer;

/**
 * Sequential is a container task - it can contain other Ant tasks. The nested
 * tasks are simply executed in sequence. Sequential's primary use is to support
 * the sequential execution of a subset of tasks within the {@link Parallel Parallel Task}

 * <p>
 * The sequential task has no attributes and does not support any nested
 * elements apart from Ant tasks. Any valid Ant task may be embedded within the
 * sequential task.</p>
 *
 * @since Ant 1.4
 * @ant.task category="control"
 */
public class Sequential extends Task implements TaskContainer {

    /** Optional Vector holding the nested tasks */
    private Vector nestedTasks = new Vector();

    /**
     * Add a nested task to Sequential.
     * <p>
     * @param nestedTask  Nested task to execute Sequential
     * <p>
     */
    public void addTask(Task nestedTask) {
        nestedTasks.addElement(nestedTask);
    }

    /**
     * Execute all nestedTasks.
     *
     * @throws BuildException if one of the nested tasks fails.
     */
    public void execute() throws BuildException {
        for (Iterator i = nestedTasks.iterator(); i.hasNext();) {
            Task nestedTask = (Task) i.next();
            nestedTask.perform();
        }
    }
}

Other Ant examples (source code examples)

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