/** * Carries out processing for a HTTP transaction. * * @see #starter(ThisPage) * @see #processor(ThisPage) * @see #ender(ThisPage) * @param requestValue Request object * @param responseValue Response object * @throws IOException */ public void service(HttpServletRequest requestValue, HttpServletResponse responseValue) throws IOException { ThisPage thisPage = new ThisPage(requestValue, responseValue, getConfig()); starter(thisPage); if (thisPage.getTerminateRequest()) { return; } processor(thisPage); if (thisPage.getTerminateRequest()) { return; } ender(thisPage); if (thisPage.getTerminateRequest()) { return; } String address = thisPage.getRedirectAddress(); if (address != null) { thisPage.getResponse().sendRedirect(thisPage.getResponse().encodeRedirectURL(address)); } }
/** * Process the call to the servlet. * * <p>With regard to reading data from the request, a {@link javax.servlet.ServletInputStream} * object for binary data can be obtained by {@link HttpServletRequest#getInputStream()} or a * {@link java.io.BufferedReader} can be obtained for character data by using {@link * HttpServletRequest#getReader}. * * <p>With regard to writing data to the response a {@link javax.servlet.ServletOutputStream} * object for binary data can be obtained using {@link HttpServletResponse#getOutputStream()} * while a {@link java.io.PrintWriter} object can be obtained using {@link * HttpServletResponse#getWriter()}. * * <p>The {@link java.io.ByteArrayOutputStream} class can be used as a means of collecting the * bytes contained in the attached file. * * <p>It would be desirable to have tests for enctype and method. * * @param req Request object * @param res Response object * @throws IOException if io problems */ public void service(HttpServletRequest req, HttpServletResponse res) throws IOException { ThisPage thisPage = new ThisPage(req, res, config); GenericPrinter output = thisPage.getPrinter(); if (!req.getMethod().equalsIgnoreCase("post")) { output.println("<html><head>"); output.println("<title>Must use POST method</title>"); output.println("</head><body>"); output.println("<h1>Must use POST method</h1>"); output.println("<p>Request used " + req.getMethod() + " method</p>"); output.println("<p>Must use POST method</p>"); output.println("</body></html>"); thisPage.sendContents(); return; } else if (req.getHeader("content-type") == null) { output.println("<html><head>"); output.println("<title>Missing content-type header</title>"); output.println("</head><body>"); output.println("<h1>Missing content-type header</h1>"); output.println( "<p>Must use content-type header " + "to specify multipart/form-data encoding</p>"); output.println("</body></html>"); thisPage.sendContents(); return; } else if (!req.getHeader("content-type").toLowerCase().startsWith("multipart/form-data")) { output.println("<html><head>"); output.println("<title>Must use multipart/form-data encoding</title>"); output.println("</head><body>"); output.println("<h1>Must use multipart/form-data encoding</h1>"); output.println("<p>content-type is " + req.getHeader("content-type") + " </p>"); output.println("<p>Must use multipart/form-data encoding</p>"); output.println("</body></html>"); thisPage.sendContents(); return; } String boundary = extractBoundary(req); if (boundary == null) { thisPage.addMessage("Unable to extract boundary value"); thisPage.addMessage(req.getHeader("content-type")); thisPage.errorMessage(); return; } int counter = 0; byte buffer[] = new byte[4096]; byte extract[]; int bytesRead = -1; ServletInputStream input = req.getInputStream(); bytesRead = input.readLine(buffer, 0, buffer.length); if (!new String(buffer, 0, bytesRead, "ISO8859_1").startsWith("--" + boundary)) { thisPage.addMessage( "Should be separator " + "--" + boundary + " : " + " found " + new String(buffer, 0, bytesRead)); thisPage.errorMessage(); return; } while (true) { counter++; Contents part = new Contents(); thisPage.addMessage("Starting part " + Integer.toString(counter) + " of form"); while (true) { bytesRead = input.readLine(buffer, 0, buffer.length); if (bytesRead < 0) { thisPage.addMessage("Unexpected end of packet"); thisPage.errorMessage(); return; } else { String value = new String(buffer, 0, bytesRead, "ISO8859_1"); if (value.endsWith("\r\n")) { value = stripEOL(value); } if (value.length() == 0) { extract = readPart(input, thisPage, part.getTransferEncoding()); if (thisPage.getTerminateRequest()) { return; } part.setContents(extract); thisPage.addElement(part); break; } else { thisPage.addMessage("service method - Parsing line: " + value); part.parseLine(value); } } } if (thisPage.getEndOfPacket()) { break; } } if (thisPage.getTerminateRequest()) { return; } starter(thisPage); if (thisPage.getTerminateRequest()) { return; } processor(thisPage); if (thisPage.getTerminateRequest()) { return; } ender(thisPage); if (thisPage.getTerminateRequest()) { return; } if (thisPage.getRedirectAddress() != null) { thisPage .getResponse() .sendRedirect(thisPage.getResponse().encodeRedirectURL(thisPage.getRedirectAddress())); } }