gmazza 2004/07/11 15:55:09
Modified: src/java/org/apache/fop/servlet FopPrintServlet.java
Log:
Moved FOPPrintServlet from using XSLTInputHandler to JAXP.
Revision Changes Path
1.14 +31 -10 xml-fop/src/java/org/apache/fop/servlet/FopPrintServlet.java
Index: FopPrintServlet.java
===================================================================
RCS file: /home/cvs/xml-fop/src/java/org/apache/fop/servlet/FopPrintServlet.java,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -r1.13 -r1.14
--- FopPrintServlet.java 25 Jun 2004 23:35:00 -0000 1.13
+++ FopPrintServlet.java 11 Jul 2004 22:55:08 -0000 1.14
@@ -22,18 +22,30 @@
import java.io.InputStream;
import java.io.PrintWriter;
+// JAXP
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
+import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.Result;
+import javax.xml.transform.Source;
+import javax.xml.transform.sax.SAXResult;
+import javax.xml.transform.stream.StreamSource;
+// XML
import org.apache.commons.logging.impl.SimpleLog;
import org.apache.commons.logging.Log;
import org.apache.fop.apps.Driver;
-import org.apache.fop.apps.XSLTInputHandler;
import org.xml.sax.InputSource;
+//Java
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+
+
/**
* Example servlet to generate a fop printout from a servlet.
* Printing goes to the default printer on host where the servlet executes.
@@ -55,7 +67,6 @@
* @version $Id$
* (todo) Doesn't work since there's no AWTRenderer at the moment. Revisit when
* available.
- * (todo) Don't use XSLTInputHandler anymore
* (todo) Ev. add caching mechanism for Templates objects
*/
public class FopPrintServlet extends HttpServlet {
@@ -101,10 +112,7 @@
InputStream file = new java.io.FileInputStream(foParam);
renderFO(new InputSource(file), response);
} else if ((xmlParam != null) && (xsltParam != null)) {
- XSLTInputHandler input =
- new XSLTInputHandler(new File(xmlParam),
- new File(xsltParam), null);
- renderXML(input, response);
+ renderXML(new File(xmlParam), new File(xsltParam), response);
} else {
response.setContentType("text/html");
@@ -142,16 +150,29 @@
/**
* Renders an FO generated using an XML and a stylesheet to the default printer.
- * @param input XSLTInputHandler to use
- * @param response Response to write to
+ * @param xmlfile XML file object
+ * @param xsltfile XSLT stylesheet
+ * @param response HTTP response object
* @throws ServletException In case of a problem
*/
- public void renderXML(XSLTInputHandler input,
+ public void renderXML(File xmlfile, File xsltfile,
HttpServletResponse response) throws ServletException {
try {
Driver driver = new Driver();
driver.setRenderer(Driver.RENDER_PRINT);
- driver.render(input.getParser(), input.getInputSource());
+
+ // Setup XSLT
+ TransformerFactory factory = TransformerFactory.newInstance();
+ Transformer transformer = factory.newTransformer(new
StreamSource(xsltfile));
+
+ // Setup input for XSLT transformation
+ Source src = new StreamSource(xmlfile);
+
+ // Resulting SAX events (the generated FO) must be piped through to FOP
+ Result res = new SAXResult(driver.getContentHandler());
+
+ // Start XSLT transformation and FOP processing
+ transformer.transform(src, res);
reportOK (response);
} catch (Exception ex) {
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