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Ant example source code file (

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

Java - Ant tags/keywords

arraylist, arraylist, baseresourcecollectioncontainer, buildexception, collection, collection, intersect, iterator, iterator, list, resourcecollection, the, the, util

The 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
 *  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.

import java.util.List;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.Collection;


 * ResourceCollection representing the intersection
 * of multiple nested ResourceCollections.
 * @since Ant 1.7
public class Intersect extends BaseResourceCollectionContainer {

     * Calculate the intersection of the nested ResourceCollections.
     * @return a Collection of Resources.
    protected Collection getCollection() {
        List rcs = getResourceCollections();
        int size = rcs.size();
        if (size < 2) {
            throw new BuildException("The intersection of " + size
                + " resource collection" + ((size == 1) ? "" : "s")
                + " is undefined.");
        ArrayList al = new ArrayList();
        Iterator rc = rcs.iterator();
        while (rc.hasNext()) {
        return al;

    private ArrayList collect(Object o) {
        ArrayList result = new ArrayList();
        for (Iterator i = ((ResourceCollection) o).iterator(); i.hasNext();) {
        return result;

Other Ant examples (source code examples)

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