Java XML Attribute Get getAttributesByName(Node node, ArrayList attrNames)

Declaration

public static HashMap<String, String> getAttributesByName(Node node, ArrayList<String> attrNames) 

Method Source Code

//package com.java2s;
/*//  w w w.  j av  a 2  s. c o m
 * 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;
    }
}

Related

1. getAttributes(Node node)
2. getAttributes(Node node)
3. getAttributes(String element, String xsd)
4. getAttributes(XMLEvent evt)
5. getAttributesAsMap(Element e)
6. getAttributesCompact(NamedNodeMap attributes)
7. getAttributesNamesOf(Element element)
8. getAttributeString(Node node, String name)
9. getAttributeStringValue(Node htmlForm, String attributeName, String defaultValue)