Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/* ************************************************************************** *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.
 *
 * This file is licensed 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 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;

public class Main {
    /**
     * Applies the specified XPath expression to the given node and returns the
     * first result.
     * 
     * @param node the root element; the given XPath expression is applied to
     *        this node
     * @param path the XPath expression
     * @return the first node corresponding to the specified XPath expression
     * @throws XPathExpressionException
     */
    public static Node evalFirst(Node node, String path) throws XPathExpressionException {
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(path);
        final Node result = (Node) expr.evaluate(node, XPathConstants.NODE);
        return result;
    }
}