Java XML Attribute Get getAttributeValue(Node n, String nodePath, String attrName)

Description

get Attribute Value

License

Apache License

Declaration

public static String getAttributeValue(Node n, String nodePath, String attrName)
            throws XPathExpressionException 

Method Source Code

//package com.java2s;
/**/*from  www  . j a  v  a2  s.  c o  m*/
 * Copyright [2016] Gaurav Gupta
 *
 * 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 javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static String getAttributeValue(Node n, String nodePath, String attrName)
            throws XPathExpressionException {
        String attrValue = null;
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr3 = xpath.compile(nodePath + "/@" + attrName);
        Object result3 = expr3.evaluate(n, XPathConstants.NODESET);
        NodeList nodes3 = (NodeList) result3;
        for (int i = 0; i < nodes3.getLength(); i++) {
            attrValue = nodes3.item(i).getNodeValue();
            break;
        }
        return attrValue;
    }
}

Related

1. getAttributeValue(Node element, String attribute)
2. getAttributeValue(Node htmlForm, String attributeName)
3. getAttributeValue(Node iNode, String iAttributeName)
4. getAttributeValue(Node n, String name)
5. getAttributeValue(Node n, String name)
6. getAttributeValue(Node node, String attName)
7. getAttributeValue(Node node, String attName)
8. getAttributeValue(Node node, String attribute)
9. getAttributeValue(Node node, String attribute)