Java XML Node Text Value getTextContent(final Node node)

Description

get Text Content

License

Apache License

Declaration

public static String getTextContent(final Node node) 

Method Source Code

//package com.java2s;
/**/*from w  ww.ja  v a  2 s. c  o  m*/
 * Copyright (C) FuseSource, Inc.
 * http://fusesource.com
 *
 * 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.
 */

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

public class Main {
    public static String getTextContent(final Node node) {
        switch (node.getNodeType()) {
        case Node.ELEMENT_NODE:
        case Node.ATTRIBUTE_NODE:
        case Node.ENTITY_NODE:
        case Node.ENTITY_REFERENCE_NODE:
        case Node.DOCUMENT_FRAGMENT_NODE:
            return mergeTextContent(node.getChildNodes());
        case Node.TEXT_NODE:
        case Node.CDATA_SECTION_NODE:
        case Node.COMMENT_NODE:
        case Node.PROCESSING_INSTRUCTION_NODE:
            return node.getNodeValue();
        case Node.DOCUMENT_NODE:
        case Node.DOCUMENT_TYPE_NODE:
        case Node.NOTATION_NODE:
        default:
            return null;
        }
    }

    private static String mergeTextContent(final NodeList nodes) {
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < nodes.getLength(); i++) {
            Node n = nodes.item(i);
            final String text;

            switch (n.getNodeType()) {
            case Node.COMMENT_NODE:
            case Node.PROCESSING_INSTRUCTION_NODE:
                // ignore comments when merging
                text = null;
                break;
            default:
                text = getTextContent(n);
                break;
            }

            if (text != null) {
                buf.append(text);
            }
        }
        return buf.toString();
    }
}

Related

1. getText(Node node)
2. getTextBefore(Node node)
3. getTextBetween(Node node1, Node node2)
4. getTextBuffer(Node e, StringBuilder sb)
5. getTextContent(final Node node)
6. getTextContent(final Node node, final String defaultValue)
7. getTextContent(final Node node, final StringBuffer sb)
8. getTextContent(final Node xmlNode)
9. getTextContent(Node baseNode)