1 package tcweb.handler.report; 2  3 import java.io.File; 4 import java.io.FileInputStream; 5  6 import javax.servlet.ServletContext; 7 import javax.servlet.ServletOutputStream; 8 import javax.servlet.http.HttpServletRequest; 9 import javax.servlet.http.HttpServletResponse;10 11 import tcweb.Constants;12 import tcweb.EventHandler;13 import tcweb.Option;14 import tcweb.PathMap;15 import tcweb.WCException;16 17 public class OpenReportHandler implements EventHandler {18 19     public String process(ServletContext sc, HttpServletRequest request, HttpServletResponse response) throws WCException {20 21         String filepath = request.getParameter("filepath");22         try {23             filepath = new String(filepath.getBytes("ISO-8859-1"), "utf-8");24             int fileTypePos = filepath.lastIndexOf(".");25             String fileType = filepath.substring(fileTypePos+1, filepath.length());26             String contentType ="application/octet-stream";27             if(fileType.equalsIgnoreCase("txt")){28                 //contentType = "text/xml";29                 contentType = Constants.PAGE_CONTENT_TYPE_TEXT;30                 //contentType = "text/html";31             }else if(fileType.equalsIgnoreCase("xml")){32                 contentType = Constants.PAGE_CONTENT_TYPE_XML;33             }else if(fileType.equalsIgnoreCase("pdf")){34                 contentType = "application/pdf";35             }36             else if(fileType.equalsIgnoreCase("xls")){37                 contentType = "application/vnd.ms-excel";38             }39             else if(fileType.equalsIgnoreCase("xlsx")){40                 contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";                41             }42 //            else if(fileType.equalsIgnoreCase("accdb") || fileType.equalsIgnoreCase("mdb")){43 //                contentType = "application/msaccess";                44 //            }else if(fileType.equalsIgnoreCase("zip")){45 //                contentType = "application/zip";                46 //            }47             48             filepath = PathMap.path2SystemSeparator(filepath);49             50             String fileP = PathMap.trimEndSeparator(Option.getStoragePath()) + filepath;51             File resultFile = new File(fileP);52             if (resultFile.exists()==true){53                 filepath = fileP;54             }else{55                 filepath = PathMap.trimEndSeparator(PathMap.getRootTemporaryFolder())+filepath;56             }57             58             FileInputStream is=new FileInputStream(filepath);59               // response.reset(); 60                //response.setHeader("Content-Disposition","inline; filename=Here is the Amazing PDF");61                response.setCharacterEncoding("UTF-8");62                63                response.setContentType(contentType);  64                //response.setHeader("Content-disposition","attachment;filename="+new String("aaa.pdf".getBytes("gb2312"),"iso8859-1"));65                66                //response.setHeader("Content-Disposition","attachment;filename="+filename); 67                68                ServletOutputStream sos = response.getOutputStream();      69                byte[] buffer = new byte[1024];70                int len=0;71                while((len=is.read(buffer))>0){72                  sos.write(buffer,0,len); 73                }  74                  is.close();75                  sos.flush();      76                  sos.close(); 77 78         } catch (Exception e1) {79             e1.printStackTrace();80         }81         82         return null;83     }84 85 }