Extract the textual content from a XML Node. - Java XML

Java examples for XML:XML Node Text

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Description

Extract the textual content from a XML Node.

Demo Code

/*//from www .j  a v a2s  .  c om
 * Copyright 2005 Joe Walker
 *
 * 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.
 */
//package com.java2s;
import org.w3c.dom.CharacterData;
import org.w3c.dom.Comment;
import org.w3c.dom.EntityReference;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Extract the textual content from a Node.
     * This is rather like the XPath value of a Node.
     * @param node The node to extract the text from
     * @return The textual value of the node
     */
    public static String getText(Node node) {
        StringBuffer reply = new StringBuffer();

        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);

            if ((child instanceof CharacterData && !(child instanceof Comment))
                    || child instanceof EntityReference) {
                reply.append(child.getNodeValue());
            } else if (child.getNodeType() == Node.ELEMENT_NODE) {
                reply.append(getText(child));
            }
        }

        return reply.toString();
    }
}

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