Java XML Element Get getElementsByTag(Element element, String tag)

Description

get Elements By Tag

License

Apache License

Declaration

private static Element[] getElementsByTag(Element element, String tag) 

Method Source Code

//package com.java2s;
/*//from  w  w  w  . j  a  v a2s  .  c o m
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 {
    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;
    }
}

Related

1. getElements(Element root, String element)
2. getElements(Element root, String tagName)
3. getElements(Element topElm)
4. getElements(final String elementName, final InputStream is, final boolean onlyValues)
5. getElementsByName(Element elem, String s)
6. getElementsByTagName(Element aElement, String aTagName)
7. getElementsByTagName(Element element, String tag)
8. getElementsByTagName(Element element, String tagName)
9. getElementsByTagName(Element node, String tagName)