Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Licensed to the University Corporation for Advanced Internet Development, 
 * Inc. (UCAID) under one or more contributor license agreements.  See the 
 * NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The UCAID 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.
 */

import org.w3c.dom.Attr;

import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

public class Main {
    /**
     * Gets the ID attribute of a DOM element.
     * 
     * @param domElement the DOM element
     * 
     * @return the ID attribute or null if there isn't one
     */
    public static Attr getIdAttribute(Element domElement) {
        if (!domElement.hasAttributes()) {
            return null;
        }

        NamedNodeMap attributes = domElement.getAttributes();
        Attr attribute;
        for (int i = 0; i < attributes.getLength(); i++) {
            attribute = (Attr) attributes.item(i);
            if (attribute.isId()) {
                return attribute;
            }
        }

        return null;
    }
}