teichmann@475: package org.dive4elements.artifacts.common.utils;
sascha@382: 
sascha@382: import java.io.InputStream;
sascha@382: import java.io.StringWriter;
sascha@382: 
sascha@382: import java.util.HashMap;
sascha@382: import java.util.Map;
sascha@382: 
sascha@382: import javax.xml.transform.Source;
sascha@382: import javax.xml.transform.Transformer;
sascha@382: import javax.xml.transform.TransformerConfigurationException;
sascha@382: import javax.xml.transform.TransformerException;
sascha@382: import javax.xml.transform.TransformerFactory;
sascha@382: 
sascha@382: import javax.xml.transform.dom.DOMSource;
sascha@382: 
sascha@382: import javax.xml.transform.stream.StreamResult;
sascha@382: import javax.xml.transform.stream.StreamSource;
sascha@382: 
sascha@382: import org.apache.log4j.Logger;
sascha@382: 
sascha@382: import org.w3c.dom.Node;
sascha@382: 
sascha@394: public class XSLTransformer {
sascha@382: 
sascha@382:     private static Logger log = Logger.getLogger(XSLTransformer.class);
sascha@382: 
sascha@385:     protected Map<String, Object> parameters;
sascha@382: 
sascha@382:     public XSLTransformer() {
sascha@382:     }
sascha@382: 
sascha@382:     public String transform(Node source, InputStream transform) {
sascha@382: 
sascha@382:         try {
sascha@382:             Source templateSource = new StreamSource(transform);
sascha@382:             TransformerFactory xformFactory =
sascha@382:                 TransformerFactory.newInstance();
sascha@382:             Transformer transformer =
sascha@382:                 xformFactory.newTransformer(templateSource);
sascha@382: 
sascha@382:             if (parameters != null) {
sascha@385:                 for (Map.Entry<String, Object> entry: parameters.entrySet()) {
sascha@382:                     transformer.setParameter(entry.getKey(), entry.getValue());
sascha@382:                 }
sascha@382:             }
sascha@382: 
sascha@382:             StringWriter result = new StringWriter();
sascha@382: 
sascha@382:             DOMSource    src = new DOMSource(source);
sascha@382:             StreamResult dst = new StreamResult(result);
sascha@382:             transformer.transform(src, dst);
sascha@382: 
sascha@382:             return result.toString();
sascha@382:         }
sascha@382:         catch (TransformerConfigurationException tce) {
sascha@382:             log.error(tce, tce);
sascha@382:         }
sascha@382:         catch (TransformerException te) {
sascha@382:             log.error(te, te);
sascha@382:         }
sascha@382: 
sascha@382:         return null;
sascha@382:     }
sascha@382: 
sascha@385:     public void addParameter(String key, Object value) {
sascha@382:         if (parameters == null) {
sascha@385:             parameters = new HashMap<String, Object>();
sascha@382:         }
sascha@382:         parameters.put(key, value);
sascha@382:     }
sascha@382: }
sascha@382: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :