select Single Node using XPath from XML String - Android XML

Android examples for XML:XML Node

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Description

select Single Node using XPath from XML String

Demo Code

/*//from   ww w  . jav a2  s  . c  om
 *  Copyright Beijing 58 Information Technology Co.,Ltd.
 *
 *  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.*;

import javax.xml.xpath.*;

public class Main {
    public static void main(String[] argv) throws Exception {
        String express = "java2s.com";
        Object source = "java2s.com";
        System.out.println(selectSingleNode(express, source));
    }

    public static Node selectSingleNode(String express, Object source) {
        Node result = null;
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        try {
            result = (Node) xpath.evaluate(express, source,
                    XPathConstants.NODE);
        } catch (XPathExpressionException e) {
            e.printStackTrace();
        }

        return result;
    }
}

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