Java tutorial
/* * Copyright 2009-2011 by KNURT Systeme (http://www.knurt.de) * * Licensed under the Creative Commons License Attribution-NonCommercial-ShareAlike 3.0 Unported; * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://creativecommons.org/licenses/by-nc-sa/3.0/ * * 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. */ package de.knurt.fam.service.pdf.handler; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.io.IOUtils; import org.apache.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; import de.knurt.fam.service.pdf.control.bu.HttpServletRequest2File; /** * handler and controller for requests on generating pdf files. * * @author Daniel Oltmanns * @since 1.4.0 (05/30/2011) */ @Controller public final class FamServicePDFHandler { @RequestMapping(value = "/generated.pdf", method = RequestMethod.POST) public final ModelAndView generatePDF(HttpServletResponse response, HttpServletRequest request) { ServletOutputStream output = null; FileInputStream input = null; try { File file2write = new HttpServletRequest2File().process(request); input = new FileInputStream(file2write); output = response.getOutputStream(); response.setContentType("application/pdf;charset=UTF-8"); response.setHeader("Content-Disposition", "attachment; filename=" + file2write.getName()); int nob = IOUtils.copy(input, output); if (nob < 1) { Logger.getRootLogger().fatal("201204231353"); } } catch (IOException ex) { Logger.getRootLogger().fatal("201105301032"); } finally { IOUtils.closeQuietly(input); IOUtils.closeQuietly(output); } return null; } }