Java XML Element to String getString(Element xmlElement)

Description

get String Data

License

Open Source License

Parameter

Parameter	Description
xmlElement	an <CODE>Element</CODE> of XML document

Return

String representing contents of xmlElement

Declaration

public static String getString(Element xmlElement) 

Method Source Code

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

public class Main {
    /**
     * get String Data
     * @param  xmlElement an <CODE>Element</CODE> of XML document
     * @return String representing contents of <CODE>xmlElement</CODE>
     */
    public static String getString(Element xmlElement) {
        Node node = xmlElement.getFirstChild();
        if (node == null)
            return "";
        if (node instanceof Text) {
            Text text = (Text) node;
            if (text.getData() == null)
                return "";
            else
                return text.getData().trim();
        }
        return getPseudoHTML(xmlElement);
    }

    public static String getPseudoHTML(Element xmlElement) {
        StringBuffer html = new StringBuffer();
        if (xmlElement.hasChildNodes()) {
            NodeList nodes = xmlElement.getChildNodes();
            int children = nodes.getLength();
            for (int i = 0; i < children; i++)
                parsePseudoHTML(nodes.item(i), html);
        }
        return html.toString();
    }

    public static void parsePseudoHTML(Node e, StringBuffer html) {
        String nodeName = e.getNodeName();
        boolean toAppendTag = !(e instanceof Text);
        boolean isBR = nodeName.equals("BR");
        if (toAppendTag & !isBR) {
            html.append('<');
            html.append(nodeName);
            html.append('>');
        }
        if (!e.hasChildNodes() && !isBR) {
            html.append(e.getNodeValue());
        } else {
            NodeList nodes = e.getChildNodes();
            int children = nodes.getLength();
            for (int i = 0; i < children; i++)
                parsePseudoHTML(nodes.item(i), html);
        }
        if (toAppendTag) {
            if (isBR) {
                html.append("<BR>");
            } else {
                html.append("</");
                html.append(nodeName);
                html.append(">\n");
            }
        }
    }
}

Related

1. getString(Element el, String label)
2. getString(Element element)
3. getString(Element element, String expr)
4. getString(Element element, String name, String def)
5. getString(Element root, String name)
6. getString(final Element element)
7. getStringByTagName(Element element, String tag)
8. getStringFromParagraphElement(Element element)
9. getStringOptionsList(final Element configuration, final String optionPrefix, final String option)