XSLTTransformer.java

package de.fu.xml.xread.main.transformer;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

/**
 * @author Monia
 * 
 */

public class XSLTTransformer {

	/**
	 * Transformiert XML durch XSLT zu HTML. Das Ergebnis wird als ein String
	 * zurueck gegeben.
	 * 
	 * @param xml
	 *            - StreamSource
	 * @param xsl
	 *            - StreamSource
	 * @return - String
	 * @throws IOException
	 */
	public static String transform(StreamSource xml, StreamSource xsl)
			throws IOException {

		String htmlString = null;

		// Writer um aus dem StreamResult einen String zu erstellen
		Writer outWriter = new StringWriter();
		StreamResult result = new StreamResult(outWriter);

		try {

			TransformerFactory tFactory = TransformerFactory.newInstance();

			Transformer transformer = tFactory.newTransformer(xsl);

			transformer.transform(xml, result);

		} catch (Exception e) {
			e.printStackTrace();
		}

		// Umwandlung des StreamResults in einen String
		outWriter.flush();

		StringWriter sw = (StringWriter) result.getWriter();
		StringBuffer sb = sw.getBuffer();
		htmlString = sb.toString();

		return htmlString;
	}
}