Main.java Source code

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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.CharacterData;

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

public class Main {
    /**
     * Returns text content of a given Node.
     */
    static String getText(Node node) {

        NodeList nodes = node.getChildNodes();
        int len = nodes.getLength();

        if (len == 0) {
            return null;
        }

        StringBuilder text = new StringBuilder();
        for (int i = 0; i < len; i++) {
            Node child = nodes.item(i);

            if (child instanceof CharacterData) {
                text.append(((CharacterData) child).getData());
            }
        }

        return text.length() == 0 ? null : text.toString();
    }
}