Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * 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.
 */

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Return content of child element with given tag name.
     * If more than one children with this name are present, the content of the last
     * element is returned.
     *
     * @param elem
     * @param childTagName
     * @return content of child element or null if no child element with this name was found
     */
    public static String getChildText(Element elem, String childTagName) {
        NodeList nodeList = elem.getElementsByTagName(childTagName);
        int len = nodeList.getLength();
        if (len == 0) {
            return null;
        }

        return getElementText((Element) nodeList.item(len - 1));

    }

    public static String getElementText(Element elem) {
        StringBuilder buf = new StringBuilder();
        NodeList nodeList = elem.getChildNodes();
        for (int i = 0, len = nodeList.getLength(); i < len; i++) {
            Node n = nodeList.item(i);
            if (n.getNodeType() == Node.TEXT_NODE) {
                buf.append(n.getNodeValue());
            } else {
                //TODO see jsf-samples
                //throw new FacesException("Unexpected node type " + n.getNodeType());
            }
        }
        return buf.toString();
    }
}