return the attribute value of XML element. - Java XML

Java examples for XML:XML Attribute

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Description

return the attribute value of XML element.

Demo Code

/*// w ww .  j av a2s . c  o  m
 *  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 com.java2s;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

public class Main {
    /**
     * return the attribute value of an element.
     * @param node the node to get the attribute from.
     * @param name the name of the attribute we are looking for the value.
     * @return the value of the requested attribute or <tt>null</tt> if the
     *         attribute was not found or if <tt>node</tt> is not an <tt>Element</tt>.
     */
    public static String getNodeAttribute(Node node, String name) {
        if (node instanceof Element) {
            Element element = (Element) node;
            return element.getAttribute(name);
        }
        return null;
    }
}

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