Java XML Element to String getElementText(Element e)

Description

get Element Text

License

Apache License

Declaration

public static String getElementText(Element e) 

Method Source Code

//package com.java2s;
/**//from  w  ww.  ja  v a  2s.  com
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo 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 the following location:
 *
 *   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 java.io.StringWriter;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.XMLEvent;
import javax.xml.transform.OutputKeys;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class Main {
    private static final TransformerFactory transformerFactory = TransformerFactory.newInstance();

    public static String getElementText(Element e) {
        final StringBuilder val = new StringBuilder();
        for (Node n = e.getFirstChild(); n != null; n = n.getNextSibling()) {
            if (n.getNodeType() == Node.TEXT_NODE || n.getNodeType() == Node.CDATA_SECTION_NODE) {
                val.append(n.getNodeValue());
            }
        }
        return val.toString();
    }

    public static String toString(Node node) {
        final Transformer identityTransformer;
        try {
            identityTransformer = transformerFactory.newTransformer();
        } catch (TransformerConfigurationException e) {
            throw new RuntimeException("Failed to create identity transformer to serialize Node to String", e);
        }
        identityTransformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

        final StringWriter outputWriter = new StringWriter();
        final StreamResult outputTarget = new StreamResult(outputWriter);
        final DOMSource xmlSource = new DOMSource(node);
        try {
            identityTransformer.transform(xmlSource, outputTarget);
        } catch (TransformerException e) {
            throw new RuntimeException("Failed to convert Node to String using Transformer", e);
        }

        return outputWriter.toString();
    }

    public static String toString(XMLEvent event) {
        final StringWriter writer = new StringWriter();
        try {
            event.writeAsEncodedUnicode(writer);
        } catch (XMLStreamException e) {
            writer.write(event.toString());
        }

        return writer.toString();
    }
}

Related

1. elementToString(final Element element)
2. extractText(Element element)
3. extractText(Element obj, String localName)
4. extractTextElementValue(final Element textElement)
5. getElementAsInputStream(Element xml)
6. getNamedElemXml(Element parent, String elementName)
7. getString(Element el, String label)
8. getString(Element element)
9. getString(Element element, String expr)