List of usage examples for java.io DataOutputStream writeShort
public final void writeShort(int v) throws IOException
short to the underlying output stream as two bytes, high byte first. From source file:org.motechproject.mobile.web.OXDFormUploadServlet.java
/** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> * methods./* w w w . ja va2s. c o m*/ * * @param request * servlet request * @param response * servlet response * @throws ServletException * if a servlet-specific error occurs * @throws IOException * if an I/O error occurs */ @RequestMapping(method = RequestMethod.POST) public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { long startTime = System.currentTimeMillis(); IMPService impService = (IMPService) appCtx.getBean("impService"); StudyProcessor studyProcessor = (StudyProcessor) appCtx.getBean("studyProcessor"); InputStream input = request.getInputStream(); OutputStream output = response.getOutputStream(); ZOutputStream zOutput = null; // Wrap the streams for compression // Wrap the streams so for logical types DataInputStream dataInput = null; DataOutputStream dataOutput = null; // Set the MIME type so clients don't misinterpret response.setContentType("application/octet-stream"); try { zOutput = new ZOutputStream(output, JZlib.Z_BEST_COMPRESSION); dataInput = new DataInputStream(input); dataOutput = new DataOutputStream(zOutput); if (rawUploadLog.isInfoEnabled()) { byte[] rawPayload = IOUtils.toByteArray(dataInput); String hexEncodedPayload = Hex.encodeHexString(rawPayload); rawUploadLog.info(hexEncodedPayload); // Replace the original input stream with one using read payload dataInput.close(); dataInput = new DataInputStream(new ByteArrayInputStream(rawPayload)); } String name = dataInput.readUTF(); String password = dataInput.readUTF(); String serializer = dataInput.readUTF(); String locale = dataInput.readUTF(); byte action = dataInput.readByte(); // TODO Authentication of usename and password. Possible M6 // enhancement log.info("uploading: name=" + name + ", password=" + password + ", serializer=" + serializer + ", locale=" + locale + ", action=" + action); EpihandyXformSerializer serObj = new EpihandyXformSerializer(); serObj.addDeserializationListener(studyProcessor); try { Map<Integer, String> formVersionMap = formService.getXForms(); serObj.deserializeStudiesWithEvents(dataInput, formVersionMap); } catch (FormNotFoundException fne) { String msg = "failed to deserialize forms: "; log.error(msg + fne.getMessage()); dataOutput.writeByte(ResponseHeader.STATUS_FORMS_STALE); response.setStatus(HttpServletResponse.SC_OK); return; } catch (Exception e) { String msg = "failed to deserialize forms"; log.error(msg, e); dataOutput.writeByte(ResponseHeader.STATUS_ERROR); response.setStatus(HttpServletResponse.SC_OK); return; } String[][] studyForms = studyProcessor.getConvertedStudies(); int numForms = studyProcessor.getNumForms(); log.debug("upload contains: studies=" + studyForms.length + ", forms=" + numForms); // Starting processing here, only process until we run out of time int processedForms = 0; int faultyForms = 0; if (studyForms != null && numForms > 0) { formprocessing: for (int i = 0; i < studyForms.length; i++) { for (int j = 0; j < studyForms[i].length; j++, processedForms++) { if (maxProcessingTime > 0 && System.currentTimeMillis() - startTime > maxProcessingTime) break formprocessing; try { studyForms[i][j] = impService.processXForm(studyForms[i][j]); } catch (Exception ex) { log.error("processing form failed", ex); studyForms[i][j] = ex.getMessage(); } if (!impService.getFormProcessSuccess().equalsIgnoreCase(studyForms[i][j])) { faultyForms++; } } } } // Write out usual upload response dataOutput.writeByte(ResponseHeader.STATUS_SUCCESS); dataOutput.writeInt(processedForms); dataOutput.writeInt(faultyForms); for (int s = 0; s < studyForms.length; s++) { for (int f = 0; f < studyForms[s].length; f++) { if (!impService.getFormProcessSuccess().equalsIgnoreCase(studyForms[s][f])) { dataOutput.writeByte((byte) s); dataOutput.writeShort((short) f); dataOutput.writeUTF(studyForms[s][f]); } } } response.setStatus(HttpServletResponse.SC_OK); } catch (Exception e) { log.error("failure during upload", e); } finally { if (dataOutput != null) dataOutput.flush(); if (zOutput != null) zOutput.finish(); response.flushBuffer(); } }
From source file:org.ramadda.repository.database.DatabaseManager.java
/** * _more_/*from w ww . jav a2s . c o m*/ * * @param os _more_ * @param all _more_ * @param actionId _more_ * * @throws Exception _more_ */ public void makeDatabaseCopy(OutputStream os, boolean all, Object actionId) throws Exception { XmlEncoder encoder = new XmlEncoder(); DataOutputStream dos = new DataOutputStream(os); Connection connection = getConnection(); try { HashSet<String> skip = new HashSet<String>(); skip.add(Tables.SESSIONS.NAME); List<TableInfo> tableInfos = getTableInfos(connection, false); String xml = encoder.toXml(tableInfos, false); writeString(dos, xml); int rowCnt = 0; System.err.println("Exporting database"); for (TableInfo tableInfo : tableInfos) { if (tableInfo.getName().equalsIgnoreCase("base")) { continue; } if (tableInfo.getName().equalsIgnoreCase("agggregation")) { continue; } if (tableInfo.getName().equalsIgnoreCase("entry")) { continue; } System.err.println("Exporting table: " + tableInfo.getName()); List<ColumnInfo> columns = tableInfo.getColumns(); List valueList = new ArrayList(); Statement statement = execute("select * from " + tableInfo.getName(), 10000000, 0); SqlUtil.Iterator iter = getIterator(statement); ResultSet results; dos.writeInt(DUMPTAG_TABLE); writeString(dos, tableInfo.getName()); if (skip.contains(tableInfo.getName().toLowerCase())) { continue; } while ((results = iter.getNext()) != null) { dos.writeInt(DUMPTAG_ROW); rowCnt++; if ((rowCnt % 1000) == 0) { if (actionId != null) { getActionManager().setActionMessage(actionId, "Written " + rowCnt + " database rows"); } System.err.println("rows:" + rowCnt); } for (int i = 1; i <= columns.size(); i++) { ColumnInfo colInfo = columns.get(i - 1); int type = colInfo.getType(); if (type == ColumnInfo.TYPE_TIMESTAMP) { Timestamp ts = results.getTimestamp(i); if (ts == null) { dos.writeLong((long) -1); } else { dos.writeLong(ts.getTime()); } } else if (type == ColumnInfo.TYPE_VARCHAR) { writeString(dos, results.getString(i)); } else if (type == ColumnInfo.TYPE_TIME) { //TODO: What is the format of a type time? // writeString(dos, results.getString(i)); } else if (type == ColumnInfo.TYPE_INTEGER) { writeInteger(dos, (Integer) results.getObject(i)); } else if (type == ColumnInfo.TYPE_DOUBLE) { writeDouble(dos, (Double) results.getObject(i)); } else if (type == ColumnInfo.TYPE_CLOB) { writeString(dos, results.getString(i)); } else if (type == ColumnInfo.TYPE_BLOB) { writeString(dos, results.getString(i)); } else if (type == ColumnInfo.TYPE_BIGINT) { writeLong(dos, results.getLong(i)); } else if (type == ColumnInfo.TYPE_SMALLINT) { dos.writeShort(results.getShort(i)); } else if (type == ColumnInfo.TYPE_TINYINT) { //TODO: //dos.write(results.getChar(i)); } else { Object object = results.getObject(i); throw new IllegalArgumentException( "Unknown type:" + type + " c:" + object.getClass().getName()); } } } } System.err.println("Wrote " + rowCnt + " rows"); } finally { closeConnection(connection); } //Write the end tag dos.writeInt(DUMPTAG_END); IOUtil.close(dos); }