Java XML Element Get getElementContent(Element elem)

Description

Returns the string content of an element (e.g., xsl:value-of() except that the markup of subelements is included in the string).

License

Apache License

Parameter

Parameter	Description
elem	Element to get the value of.

Declaration

public static String getElementContent(Element elem) 

Method Source Code

//package com.java2s;
/*--------------------------------------------------------------------------------
Copyright 2009 DITA2InDesign project (dita2indesign.sourceforge.net)
    //from   w  ww. ja v a 2 s  .c  om
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.Attr;

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

public class Main {
    /**
     * Returns the string content of an element (e.g., xsl:value-of() except
     * that the markup of subelements is included in the string).
     * @param elem Element to get the value of.
     */
    public static String getElementContent(Element elem) {
        String resultStr = "";
        if (elem != null) {
            NodeList childs = elem.getChildNodes();
            for (int i = 0; i < childs.getLength(); i++) {
                Node child = childs.item(i);
                if (child.getNodeType() == Node.ELEMENT_NODE) {
                    resultStr = resultStr + echoStartTag((Element) child);
                    resultStr = resultStr + getElementContent((Element) child);
                    resultStr = resultStr + echoEndTag((Element) child);
                } else if (child.getNodeType() == Node.TEXT_NODE) {
                    resultStr = resultStr + ((Text) child).getData();
                } // Else: ignore other node types
            }
        }
        return resultStr;
    }

    public static String echoStartTag(Element elem) {
        String resultStr = "<" + elem.getTagName();
        String attstr = "";
        NamedNodeMap atts = elem.getAttributes();
        for (int j = 0; j < atts.getLength(); j++) {
            Attr att = (Attr) (atts.item(j));
            // FIXME: doesn't account for '"' within attribute value.
            attstr = attstr + " " + att.getNodeName() + "=\"" + att.getNodeValue() + "\"";
        }
        resultStr = resultStr + attstr + ">";
        return resultStr;
    }

    public static String echoEndTag(Element elem) {
        return "</" + elem.getTagName() + ">";
    }
}

Related

1. getElementByTagName(Element element, String name, int index)
2. getElementByTagName(Element element, String tag)
3. getElementByTagName(Element element, String tag)
4. getElementByTagName(Element n, String elementName)
5. getElementContent(Element e)
6. getElementContent(Element elem)
7. getElementContent(Element element, String defaultStr)
8. getElementContent(Element element, String defaultStr)
9. getElementContent(final Element el)