Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (c) 2013 VMware, Inc. All Rights Reserved.
 * 
 * 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.
 */

import java.util.ArrayList;
import java.util.HashMap;

import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    /**
     * Puts the node attributes (if it has any) into HashMap<String,String> Retrieves only those
     * attributes that are in attr ArrayList Ignores other attributes values that are in node
     * 
     * @param node : XML node to look for its attributes
     * @param attrNames : attributes to fetch from node
     * @return Hashmap<String,String> of the node attributes
     */
    public static HashMap<String, String> getAttributesByName(Node node, ArrayList<String> attrNames) {
        String attrName = null;
        String attrValue = null;
        HashMap<String, String> attributesMap = new HashMap<String, String>();
        NamedNodeMap attributes = node.getAttributes();
        for (int attrIndex = 0; attrIndex < attributes.getLength(); attrIndex++) {
            attrName = attributes.item(attrIndex).getNodeName();
            attrValue = attributes.item(attrIndex).getNodeValue();
            if (attrNames.contains(attrName)) {
                attributesMap.put(attrName, attrValue);
            }
        }
        return attributesMap.size() == 0 ? null : attributesMap;
    }

    /**
     * Puts the node attributes (if it has any) into HashMap<String,String>
     * 
     * @param node : XML node to look for its attributes
     * @return Hashmap<String,String> of the node attributes
     */
    public static HashMap<String, String> getAttributes(Node node) {
        String attrName = null;
        String attrValue = null;
        HashMap<String, String> attributesMap = new HashMap<String, String>();
        NamedNodeMap attributes = node.getAttributes();
        for (int attrIndex = 0; attributes != null && attrIndex < attributes.getLength(); attrIndex++) {
            attrName = attributes.item(attrIndex).getNodeName();
            attrValue = attributes.item(attrIndex).getNodeValue();
            attributesMap.put(attrName, attrValue);
        }
        return attributesMap.size() == 0 ? null : attributesMap;
    }
}