Java XML Element Text getSimpleElementText(Element node)

Description

*

This function is intended for use when you have merely text between an XML Element (i.e.

License

Apache License

Parameter

Parameter	Description
node	The DOM XML Tag, with text inbetween.

Return

String text inbetween the simple element tag.

Declaration

public static String getSimpleElementText(Element node) 

Method Source Code

//package com.java2s;
/*//from   w ww . j a va  2 s  . co m
 * 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.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import org.w3c.dom.Text;

public class Main {
    /**
     * *
     * <p>
     * This function is intended when you have a DOM element with no other DOM
     * elements inside (i.e. <Tag><Tag2>here is text</Tag2></Tag>)
     * </p> *
     * 
     * @param node
     *            The DOM 'SimpleElement' as defined in the Function definition.
     * @param name
     *            The name of the Text to retreive.
     * @return the Text inbetween the simple element tags.
     */
    public static String getSimpleElementText(Element node, String name) throws Exception {
        Element namedElement = getFirstElement(node, name);
        return getSimpleElementText(namedElement);
    }

    /**
     * *
     * <p>
     * This function is intended for use when you have merely text between an
     * XML Element (i.e. <Tag>text here</Tag>).
     * </p>
     * 
     * @param node
     *            The DOM XML Tag, with text inbetween.
     * @return String text inbetween the simple element tag.
     */
    public static String getSimpleElementText(Element node) {
        StringBuffer sb = new StringBuffer();
        NodeList children = node.getChildNodes();

        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Text) {
                sb.append(child.getNodeValue());
            }
        }

        return sb.toString();
    }

    /**
     * 
     * <p>
     * Method returns the First occurence of Element 'name' in the DOM Node
     * 'element'.
     * </p>
     * 
     * @param element
     *            The DOM Element node to traverse.
     * @param name
     *            The XML name of the Element to return.
     * @return Element "element" with Name "name"'s first occurence.
     */
    public static Element getFirstElement(Element element, String name) throws Exception {
        NodeList n1 = element.getElementsByTagName(name);

        if (n1.getLength() < 1) {
            throw new Exception("Element: " + element + " does not contain: " + name);
        }

        return (Element) n1.item(0);
    }
}

Related

1. getElementTextOrNull(final XMLStreamReader reader)
2. getElementTextValue(Element element)
3. getElementTextValue(Element in)
4. getSimpleElementText(Element element)
5. getSimpleElementText(Element node)
6. getSimpleElementText(Element node, boolean trim)
7. getSimpleElementText(final Element element, final String nodeName)