Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 Copyright 1996-2008 Ariba, Inc.
    
 Licensed 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.
    
 $Id: //ariba/platform/ui/widgets/ariba/ui/widgets/XMLUtil.java#4 $
 */

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
    Return an array of all the children of PARENT that are TAG
    elements. <p>
    @return all children with matching <code>tag</code>;
            is not <code>null</code>
     */
    public static Element[] getAllChildren(Element parent, String tag) {
        if (parent == null) {
            return new Element[0];
        }

        // get the children with this tag
        return getElementsByTag(parent, tag);
    }

    private static Element[] getElementsByTag(Element element, String tag) {
        NodeList children = element.getChildNodes();
        int size = children.getLength();
        int elemCount = 0;
        boolean wildCard = tag == null;

        for (int i = 0; i < size; i++) {
            Node child = children.item(i);
            if (isElement(child) && (wildCard || tag.equals(((Element) child).getTagName()))) {
                elemCount++;
            }
        }

        Element elems[] = new Element[elemCount];
        for (int i = 0, j = 0; j < elemCount; i++) {
            Node child = children.item(i);

            if (isElement(child) && (wildCard || tag.equals(((Element) child).getTagName()))) {
                elems[j++] = (Element) child;
            }
        }

        return elems;
    }

    public static boolean isElement(Node e) {
        return e.getNodeType() == Node.ELEMENT_NODE;
    }
}