public static void renderFile( HttpServletResponse resp, String filename, InputStream cont_stream, boolean showpic, boolean ignorespace) throws IOException { if (cont_stream == null) return; if (ignorespace) filename = filename.replace(" ", ""); if (!showpic) resp.addHeader( "Content-Disposition", "attachment; filename=" + new String(filename.getBytes(), "iso8859-1")); resp.setContentType(Mime.getContentType(filename)); ServletOutputStream os = resp.getOutputStream(); byte[] buf = new byte[1024]; int len = 0; while ((len = cont_stream.read(buf)) != -1) { os.write(buf, 0, len); } os.flush(); }
public void processAction(HttpServletRequest request, HttpServletResponse response) throws IOException { System.out.println("processing test driver request ... "); processParams(request); boolean status = false; System.out.println("tc:" + tc); response.setContentType("text/plain"); ServletOutputStream out = response.getOutputStream(); out.println("TestCase: " + tc); if (tc != null) { try { Class<?> c = getClass(); Object t = this; Method[] allMethods = c.getDeclaredMethods(); for (Method m : allMethods) { String mname = m.getName(); if (!mname.equals(tc.trim())) { continue; } System.out.println("Invoking : " + mname); try { m.setAccessible(true); Object o = m.invoke(t); System.out.println("Returned => " + (Boolean) o); status = new Boolean((Boolean) o).booleanValue(); // Handle any methods thrown by method to be invoked } catch (InvocationTargetException x) { Throwable cause = x.getCause(); System.err.format("invocation of %s failed: %s%n", mname, cause.getMessage()); } catch (IllegalAccessException x) { x.printStackTrace(); } } } catch (Exception ex) { ex.printStackTrace(); } if (status) { out.println(tc + ":pass"); } else { out.println(tc + ":fail"); } } }
public static void renderXormFile( HttpServletRequest req, HttpServletResponse resp, Class xormc, String xormprop, long pkid, String filename, boolean showpic, Date lastmodify) throws ClassNotFoundException, Exception { filename = filename.replace(" ", ""); if (!showpic) resp.addHeader( "Content-Disposition", "attachment; filename=" + new String(filename.getBytes(), "iso8859-1")); if (lastmodify != null) { resp.setDateHeader("Last-Modified", lastmodify.getTime()); } if (req != null) { long l = req.getDateHeader("If-Modified-Since"); if (l > 0) { if (lastmodify != null && lastmodify.getTime() / 1000 <= l / 1000) { // 由于文件系统的最后修改时间精确到秒,所以需要去除毫秒以便于计算 resp.setStatus(304); // not modify return; } } } GDB g = GDB.getInstance(); long filelen = g.getXORMFileContLength(xormc, xormprop, pkid); if (filelen < 0) return; resp.setContentLength((int) filelen); resp.setContentType(Mime.getContentType(filename)); ServletOutputStream os = resp.getOutputStream(); GDB.getInstance().loadXORMFileContToOutputStream(xormc, xormprop, pkid, os); os.flush(); }
/** * return OutputStream of JasperReport object, this page could only be viewed from localhost for * security concern. parameter can be (id), or (table and type) * * @param id - report id, or * @param table - table name * @param type - reporttype "s","l","o", case insensitive * @param client(*) - client domain * @param version - version number, default to -1 */ public void process(HttpServletRequest request, HttpServletResponse response) throws Exception { String clientName = request.getParameter("client"); int objectId = ParamUtils.getIntAttributeOrParameter(request, "id", -1); if (objectId == -1) { // try using table and type objectId = getReportId(clientName, request.getParameter("table"), request.getParameter("type")); } if (objectId == -1) { logger.error("report not found, request is:" + Tools.toString(request)); throw new NDSException("report not found"); } int version = ParamUtils.getIntAttributeOrParameter(request, "version", -1); File reportXMLFile = new File(ReportTools.getReportFile(objectId, clientName)); if (reportXMLFile.exists()) { // generate jasperreport if file not exists or not newer String reportName = reportXMLFile.getName().substring(0, reportXMLFile.getName().lastIndexOf(".")); File reportJasperFile = new File(reportXMLFile.getParent(), reportName + ".jasper"); if (!reportJasperFile.exists() || reportJasperFile.lastModified() < reportXMLFile.lastModified()) { JasperCompileManager.compileReportToFile( reportXMLFile.getAbsolutePath(), reportJasperFile.getAbsolutePath()); } InputStream is = new FileInputStream(reportJasperFile); response.setContentType("application/octetstream;"); response.setContentLength((int) reportJasperFile.length()); // response.setHeader("Content-Disposition","inline;filename=\""+reportJasperFile.getName()+"\""); ServletOutputStream os = response.getOutputStream(); byte[] b = new byte[8192]; int bInt; while ((bInt = is.read(b, 0, b.length)) != -1) { os.write(b, 0, bInt); } is.close(); os.flush(); os.close(); } else { throw new NDSException("Not found report template"); } }
public static void renderFile( HttpServletRequest req, HttpServletResponse resp, String filename, byte[] file_cont, boolean showpic, Date lastmodify) throws IOException { if (file_cont == null) return; // if(!showpic) // resp.addHeader("Content-Disposition", "attachment; // filename=\""+MimeUtility.encodeText(filename,"UTF-8",null)+"\""); filename = filename.replace(" ", ""); if (!showpic) resp.addHeader( "Content-Disposition", "attachment; filename=" + new String(filename.getBytes(), "iso8859-1")); if (lastmodify != null) { resp.setDateHeader("Last-Modified", lastmodify.getTime()); } if (req != null) { long l = req.getDateHeader("If-Modified-Since"); if (l > 0) { if (lastmodify != null && lastmodify.getTime() / 1000 <= l / 1000) { // 由于文件系统的最后修改时间精确到秒,所以需要去除毫秒以便于计算 resp.setStatus(304); return; } } } resp.setContentType(Mime.getContentType(filename)); ServletOutputStream os = resp.getOutputStream(); os.write(file_cont); os.flush(); }
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException { String p = req.getParameter("r"); if (p == null || (p = p.trim()).equals("")) { String pi = req.getPathInfo(); return; } byte[] cont = res2cont.get(p); if (cont != null) { resp.setContentType(Mime.getContentType(p)); ServletOutputStream os = resp.getOutputStream(); os.write(cont); os.flush(); return; } InputStream is = null; try { is = appCL.getResourceAsStream(p); // getInputStreamByPath(p) ; if (is == null) { is = new Object().getClass().getResourceAsStream(p); if (is == null) return; } byte[] buf = new byte[1024]; ByteArrayOutputStream baos = new ByteArrayOutputStream(); int len; while ((len = is.read(buf)) >= 0) { baos.write(buf, 0, len); } cont = baos.toByteArray(); res2cont.put(p, cont); resp.setContentType(Mime.getContentType(p)); ServletOutputStream os = resp.getOutputStream(); os.write(cont); os.flush(); return; } finally { if (is != null) is.close(); } }
/** * Write a file to the response stream. Handles Range requests. * * @param req request * @param res response * @param file must exists and not be a directory * @param contentType must not be null * @throws IOException or error */ public static void returnFile( HttpServletRequest req, HttpServletResponse res, File file, String contentType) throws IOException { res.setContentType(contentType); // see if its a Range Request boolean isRangeRequest = false; long startPos = 0, endPos = Long.MAX_VALUE; String rangeRequest = req.getHeader("Range"); if (rangeRequest != null) { // bytes=12-34 or bytes=12- int pos = rangeRequest.indexOf("="); if (pos > 0) { int pos2 = rangeRequest.indexOf("-"); if (pos2 > 0) { String startString = rangeRequest.substring(pos + 1, pos2); String endString = rangeRequest.substring(pos2 + 1); startPos = Long.parseLong(startString); if (endString.length() > 0) endPos = Long.parseLong(endString) + 1; isRangeRequest = true; } } } // set content length long fileSize = file.length(); long contentLength = fileSize; if (isRangeRequest) { endPos = Math.min(endPos, fileSize); contentLength = endPos - startPos; } if (contentLength > Integer.MAX_VALUE) res.addHeader( "Content-Length", Long.toString(contentLength)); // allow content length > MAX_INT else res.setContentLength((int) contentLength); // note HEAD only allows this String filename = file.getPath(); boolean debugRequest = Debug.isSet("returnFile"); if (debugRequest) log.debug( "returnFile(): filename = " + filename + " contentType = " + contentType + " contentLength = " + contentLength); // indicate we allow Range Requests res.addHeader("Accept-Ranges", "bytes"); if (req.getMethod().equals("HEAD")) { log.info( "returnFile(): " + UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_OK, 0)); return; } try { if (isRangeRequest) { // set before content is sent res.addHeader("Content-Range", "bytes " + startPos + "-" + (endPos - 1) + "/" + fileSize); res.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT); FileCacheRaf.Raf craf = null; try { craf = fileCacheRaf.acquire(filename); IO.copyRafB( craf.getRaf(), startPos, contentLength, res.getOutputStream(), new byte[60000]); log.info( "returnFile(): " + UsageLog.closingMessageForRequestContext( HttpServletResponse.SC_PARTIAL_CONTENT, contentLength)); return; } finally { if (craf != null) fileCacheRaf.release(craf); } } // Return the file ServletOutputStream out = res.getOutputStream(); IO.copyFileB(file, out, 60000); res.flushBuffer(); out.close(); if (debugRequest) log.debug("returnFile(): returnFile ok = " + filename); log.info( "returnFile(): " + UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_OK, contentLength)); } // @todo Split up this exception handling: those from file access vs those from dealing with // response // File access: catch and res.sendError() // response: don't catch (let bubble up out of doGet() etc) catch (FileNotFoundException e) { log.error("returnFile(): FileNotFoundException= " + filename); log.info( "returnFile(): " + UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_NOT_FOUND, 0)); if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_NOT_FOUND); } catch (java.net.SocketException e) { log.info("returnFile(): SocketException sending file: " + filename + " " + e.getMessage()); log.info("returnFile(): " + UsageLog.closingMessageForRequestContext(STATUS_CLIENT_ABORT, 0)); } catch (IOException e) { String eName = e.getClass().getName(); // dont want compile time dependency on ClientAbortException if (eName.equals("org.apache.catalina.connector.ClientAbortException")) { log.info( "returnFile(): ClientAbortException while sending file: " + filename + " " + e.getMessage()); log.info( "returnFile(): " + UsageLog.closingMessageForRequestContext(STATUS_CLIENT_ABORT, 0)); return; } log.error("returnFile(): IOException (" + e.getClass().getName() + ") sending file ", e); log.error( "returnFile(): " + UsageLog.closingMessageForRequestContext(HttpServletResponse.SC_NOT_FOUND, 0)); if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_NOT_FOUND, "Problem sending file: " + e.getMessage()); } }
@Override public void close() throws IOException { offset = 0; target.close(); super.close(); }