csaPostStatus=1 <% } else { // System.out.println("No XML output errors"); if(!(outputEnabled == "false")) { // Try processing any posted data ... try { // Note during development: if path to output file isn't specified, // then for server in ADE view the output file will be created in: // - $AVR/emdw directory for 10iBeta view // - j2ee/home for a 4.0.1 emdw label // Get reader for request body and read first line ... BufferedReader ibr = request.getReader(); String line = ibr.readLine(); int byteLength = 0; // First line from request body should be CSA.jsp session ID ... if ((line != null) && line.trim().startsWith("sessionID")) { byteLength += line.getBytes().length; sessionID = line.substring(line.indexOf("=")+1).trim(); // Verify that CSA.jsp created a placeholder file on server; // if not then don't output XML file to server ... String phFile = ""; String outputFile = ""; phFile = XMLOutputDir + "pCSA" + sessionID + currTS + ".xml"; boolean isAN=true; final char[] chars = phFile.toCharArray(); for (int x = 0; x < chars.length; x++) { final char c = chars[x]; if ((c >= 'a') && (c <= 'z')) continue; // lowercase if ((c >= 'A') && (c <= 'Z')) continue; // uppercase if ((c >= '0') && (c <= '9')) continue; // numeric isAN = false; break; } if (!isAN) throw new Exception ("Invalid sessionID.."); outputFile = XMLOutputDir + "CSA" + sessionID + currTS + ".xml"; System.out.println("CSA Receiver Page: placeholder file is " + phFile); System.out.println("CSA Receiver Page: output file is " + outputFile); File phf = new File(phFile); File opf = new File(outputFile); PrintWriter fpw = new PrintWriter( new BufferedWriter( new FileWriter(phFile, true))); // Read (rest of) request body and write to output ... while ( ((line = ibr.readLine()) != null) && ((byteLength / 1024) <= maxFileSize) ) { // Since applet did URLEncoder.encode, must decode here ... byteLength += line.getBytes().length; fpw.println(URLDecoder.decode(line)); } // Close the input buffered reader and the output PrintWriter ... ibr.close(); fpw.close(); //now we check if the posted data was too big if((byteLength / 1024) > maxFileSize) { System.out.println("CSA Receiver Page:error file was too big"); System.out.println("CSA Receiver Page: size is " + (byteLength / 1024) + " max is " + maxFileSize); if(!phf.delete()) { System.out.println("CSA Receiver Page: ERROR: could not delete file"); } %>
csaPostStatus=3 <% } //end if file was too big else { //file isn't too big //the file wasn't too big, so we should process it //now, before we rename the file, we must run the user's script on the file if((script != null) && !script.equals("")) { //we assume that the script provided is the full path //so we should just set up the command and run it Process proc; int status = -1; String[] commands = {script, phFile}; try { proc = Runtime.getRuntime().exec(commands); //try to flush the output //and error streams //let's try to flush the output from the stream first StreamProcessor errProcessor = new StreamProcessor(proc.getErrorStream(), "error"); StreamProcessor outProcessor = new StreamProcessor( proc.getInputStream(), "out"); outProcessor.start(); errProcessor.start(); try { status = proc.waitFor(); System.out.println("script status is " + status); } catch (InterruptedException e) { System.out.println("Script interrupted"); scriptFailed = true; } if(status != 0) { scriptFailed = true; } } catch(Exception e) { System.out.println("exception running script"); e.printStackTrace(); scriptFailed = true; } } // Now rename the placeholder file to XML output file form ... if (phf.renameTo(opf)) { // Let applet know that post was apparently successful ... if(scriptFailed) { %>
csaPostStatus=6 <% } else { %>
csaPostStatus=0 <% } } else // file rename failed { %>
csaPostStatus=2
Warning: posted data was written to placeholder file '<%= phFile %>', but rename of placeholder to final output XML filename failed.
<% } //end else rename failed }//end else file wasn't too big }//end if file has session id // Else file doesn't begin with a sessionID else { %>csaPostStatus=4 <% } //end else file has no session id }//end try catch (Exception e) { // TBD: it's better to leave any partial XML that may have already // been generated at the server by the time the exception occurred, // assuming that agent/loader will detect and report this error. // Just report the exception to the applet ... System.out.println("CSA Receiver Page: caught exception " + e.getMessage()); %>
csaPostStatus=5
Exception processing posted CSA data
<% }//end catch }//end if output enabled else { //the data will not get written, but the user doesn't need to know that %>csaPostStatus=0 <% } }//end else no xml output directory errors //implement policy to clean up old output files if(!XMLOutputDirError) { try{ fileList = xod.list(); // System.out.println("FILE LIST LENGTH IS " + fileList.length); boolean outFilesExist = false; int numOutputFiles = 0; int fileIdx = 0; File currFile = null; String currFileName = null; long currAge = 0; long oldest = 0; int oldestIdx = 0; String oldestName = ""; for(fileIdx = 0; fileIdx < fileList.length; fileIdx++) { currFileName = fileList[fileIdx]; // System.out.println("" + fileIdx + ": " + currFileName); if(currFileName.startsWith("CSA") && currFileName.endsWith(".xml")) { try{ currFile = new File(XMLOutputDir + currFileName); oldest = currFile.lastModified(); numOutputFiles++; oldestIdx = fileIdx; oldestName = currFileName; break; } catch(Exception e) { System.out.println("exception while reading the file name"); e.printStackTrace(); } } } //now we've found the first file in the list that is a CSA file if(fileIdx < fileList.length) { //if the index was equal to the length, it means that there were //no output files at all outFilesExist = true; } if(outFilesExist) { // System.out.println("output files exist"); for( fileIdx = fileIdx + 1; fileIdx < fileList.length; fileIdx++) { currFileName = fileList[fileIdx]; // System.out.println("" + fileIdx + ": " + currFileName); if(currFileName.startsWith("CSA") && currFileName.endsWith(".xml")) { try{ currFile = new File(XMLOutputDir + currFileName); currAge = currFile.lastModified(); if(currAge < oldest) { oldest = currAge; oldestIdx = fileIdx; oldestName = currFileName; } numOutputFiles++; } catch(Exception e) { System.out.println("exception while reading the file name"); e.printStackTrace(); } } } // System.out.println("oldest index is " + oldestIdx); // System.out.println("oldest name is " + oldestName); // System.out.println("num output files is " + numOutputFiles + " max is " + maxOutputFiles); if(numOutputFiles > maxOutputFiles) { try { currFile = new File(XMLOutputDir + oldestName); if(!currFile.delete()) { System.out.println("ERROR in CSA Receiver: could not delete output file"); } } catch(Exception e) { System.out.println("Exception while trying to delete file"); } } } } catch(Exception e) { System.out.println("EXCEPTION IN GETTING FILE LIST"); e.printStackTrace(); } } // Just clean up any old (and perhaps extra) placeholder files; // post-4.1 these may be collected to log applet refusal ... try { File dirFile = new File(XMLOutputDir); String[] fileNameArray; String fileName; File aFile; int ii; // Existence, etc of XMLOutputDir was already verified in CSA.jsp; // but make sure that File version of XMLOutputDir is created ... if (dirFile != null) { // Get an array of filenames in the directory ... if (((fileNameArray = dirFile.list()) != null) && (fileNameArray.length > 0)) { for (ii = 0; ii < fileNameArray.length; ii++) { // Just look at pCSA*.xml files ... fileName = fileNameArray[ii]; if (fileName.startsWith("pCSA") && fileName.endsWith(".xml")) { aFile = new File(XMLOutputDir + fileName); // Not likely, but make sure this file isn't a directory ... if (aFile.isFile()) { msLastMod = aFile.lastModified(); // If this placeholder file is older than phfMaxAge limit, // then delete it ... if ((currTS - msLastMod) >= (phfMaxAge * 1000)) { aFile.delete(); } } } } } } } catch (Exception e) { %>
Exception processing out-dated placeholder files
<% } }//end if POST method %>