| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 |
| * |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.servlet; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.servlet.http.HttpServletResponse; |
| |
| import javax.xml.transform.Result; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.sax.SAXResult; |
| |
| import org.apache.fop.apps.FOPException; |
| import org.apache.fop.apps.FOUserAgent; |
| import org.apache.fop.apps.Fop; |
| import org.apache.fop.apps.MimeConstants; |
| |
| |
| /** |
| * Example servlet to generate a fop printout from a servlet. |
| * Printing goes to the default printer on host where the servlet executes. |
| * Servlet param is: |
| * <ul> |
| * <li>fo: the path to a XSL-FO file to render |
| * </ul> |
| * or |
| * <ul> |
| * <li>xml: the path to an XML file to render</li> |
| * <li>xslt: the path to an XSLT file that can transform the above XML to XSL-FO</li> |
| * </ul> |
| * <br/> |
| * Example URL: http://servername/fop/servlet/FopPrintServlet?fo=readme.fo |
| * <br/> |
| * Example URL: http://servername/fop/servlet/FopPrintServlet?xml=data.xml&xsl=format.xsl |
| * <br/> |
| * <b>Note:</b> This servlet is derived from FopServlet. Most methods are inherited from the |
| * superclass. Only the differences to the base class are necessary. |
| */ |
| public class FopPrintServlet extends FopServlet { |
| |
| private static final long serialVersionUID = 1645706757391617935L; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void render(Source src, Transformer transformer, HttpServletResponse response) |
| throws FOPException, TransformerException, IOException { |
| |
| FOUserAgent foUserAgent = getFOUserAgent(); |
| |
| //Setup FOP |
| Fop fop = fopFactory.newFop(MimeConstants.MIME_FOP_PRINT, foUserAgent); |
| |
| //Make sure the XSL transformation's result is piped through to FOP |
| Result res = new SAXResult(fop.getDefaultHandler()); |
| |
| //Start the transformation and rendering process |
| transformer.transform(src, res); |
| |
| //Return the result |
| reportOK(response); |
| } |
| |
| // private helper, tell (browser) user that file printed |
| private void reportOK(HttpServletResponse response) throws IOException { |
| String sMsg = "<html><title>Success</title>\n" |
| + "<body><h1>FopPrintServlet: </h1>" |
| + "<h3>The requested data was printed to the default printer.</h3></body></html>"; |
| |
| response.setContentType("text/html"); |
| response.setContentLength(sMsg.length()); |
| |
| PrintWriter out = response.getWriter(); |
| out.println(sMsg); |
| out.flush(); |
| } |
| |
| } |
| |
