/** calculate work pid, */
  public String calculatePId() {

    UUIDGenerator uuidGen = UUIDGenerator.getInstance();
    UUID uuidObj = uuidGen.generateTimeBasedUUID();
    String executionId = uuidObj.toString();
    pId = executionId;
    return executionId;
  }
  @Test(expected = InvalidSharedIdException.class)
  public void getMetadataFromShareIdWithInvalidId() {
    UUID uuid = UUIDGenerator.getInstance().generateRandomBasedUUID();
    String sharedId =
        Base64.encodeBase64URLSafeString(
            uuid.toByteArray()); // => 22 chars (eg. q3bEKPeDQvmJYgt4hJxOjw)

    Map<String, Object> metadata = quickShareService.getMetaData(sharedId);
  }
Beispiel #3
0
 /**
  * 生成一个UUID。
  *
  * <p>
  *
  * @return strUuid String
  */
 public static String getUUID() {
   UUIDGenerator generator = UUIDGenerator.getInstance();
   UUID uuid = generator.generateTimeBasedUUID();
   String strUuid = uuid.toString();
   strUuid =
       strUuid.substring(0, 8)
           + strUuid.substring(9, 13)
           + strUuid.substring(14, 18)
           + strUuid.substring(19, 23)
           + strUuid.substring(24);
   return strUuid;
 }
Beispiel #4
0
  /**
   * Genera un identificador único para el String que se le pasa.
   *
   * @param id
   * @param prefijo
   * @return
   */
  private static String getUUID(String id, String prefijo) {
    String result = null;

    if (id != null) {
      long time = System.currentTimeMillis();
      id += Long.toString(time);

      UUID uuid =
          UUIDGenerator.getInstance().generateNameBasedUUID(new UUID(UUID.NAMESPACE_DNS), id);

      if (uuid != null) {
        result = uuid.toString();
        if (prefijo != null) result = prefijo + result;
      }
    }
    return result;
  }
  public static String createNewExecutionId() {
    String executionId;

    logger.debug("IN");

    executionId = null;
    try {
      UUIDGenerator uuidGen = UUIDGenerator.getInstance();
      UUID uuidObj = uuidGen.generateTimeBasedUUID();
      executionId = uuidObj.toString();
      executionId = executionId.replaceAll("-", "");
    } catch (Throwable t) {

    } finally {
      logger.debug("OUT");
    }

    return executionId;
  }
  private ExecutionInstance createExecutionInstance(
      Integer biobjectId, Integer biobjectVersion, String aRoleName, String execId, Locale locale) {
    String executionFlowId = getAttributeAsString("EXECUTION_FLOW_ID");
    Boolean displayToolbar = getAttributeAsBoolean(SpagoBIConstants.TOOLBAR_VISIBLE, true);
    Boolean displaySlider = getAttributeAsBoolean(SpagoBIConstants.SLIDERS_VISIBLE, true);
    String modality =
        requestContainsAttribute(ObjectsTreeConstants.MODALITY)
            ? getAttributeAsString(ObjectsTreeConstants.MODALITY)
            : SpagoBIConstants.NORMAL_EXECUTION_MODALITY;

    // create execution id
    UUIDGenerator uuidGen = UUIDGenerator.getInstance();
    UUID uuidObj = uuidGen.generateTimeBasedUUID();
    String executionId = uuidObj.toString();
    executionId = executionId.replaceAll("-", "");

    if (executionFlowId == null) executionFlowId = executionId;

    // create new execution instance
    ExecutionInstance instance = null;
    try {
      instance =
          new ExecutionInstance(
              getUserProfile(),
              executionFlowId,
              execId,
              biobjectId,
              biobjectVersion,
              aRoleName,
              modality,
              displayToolbar.booleanValue(),
              displaySlider.booleanValue(),
              locale);
    } catch (Exception e) {
      logger.error(e);
    }
    return instance;
  }
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    try {
      // Retrieving the file upload defaults from pentaho.xml
      String relativePath =
          PentahoSystem.getSystemSetting(
              "file-upload-defaults/relative-path",
              String.valueOf(DEFAULT_RELATIVE_UPLOAD_FILE_PATH)); // $NON-NLS-1$
      String maxFileLimit =
          PentahoSystem.getSystemSetting(
              "file-upload-defaults/max-file-limit", String.valueOf(MAX_FILE_SIZE)); // $NON-NLS-1$
      String maxFolderLimit =
          PentahoSystem.getSystemSetting(
              "file-upload-defaults/max-folder-limit",
              String.valueOf(MAX_FOLDER_SIZE)); // $NON-NLS-1$

      response.setContentType("text/plain");
      FileItem uploadItem = getFileItem(request);
      if (uploadItem == null) {
        response
            .getWriter()
            .write(
                Messages.getInstance()
                    .getErrorString("UploadFileServlet.ERROR_0001_NO_FILE_TO_UPLOAD"));
        return;
      }
      if (Long.parseLong(maxFileLimit) < uploadItem.getSize()) {
        response
            .getWriter()
            .write(
                Messages.getInstance().getErrorString("UploadFileServlet.ERROR_0003_FILE_TOO_BIG"));
        return;
      }

      String path = PentahoSystem.getApplicationContext().getSolutionPath(relativePath);

      File pathDir = new File(path);
      // create the path if it doesn't exist yet
      if (!pathDir.exists()) {
        pathDir.mkdirs();
      }

      if (uploadItem.getSize() + getFolderSize(pathDir) > Long.parseLong(maxFolderLimit)) {
        response
            .getWriter()
            .write(
                Messages.getInstance()
                    .getErrorString("UploadFileServlet.ERROR_0004_FOLDER_SIZE_LIMIT_REACHED"));
        return;
      }
      byte[] fileContents = uploadItem.get();
      UUID id = UUIDUtil.getUUID();
      String filename = id.toString() + CSV_EXT;

      if (doesFileExists(new File(path + filename))) {
        response
            .getWriter()
            .write(
                Messages.getInstance()
                    .getErrorString("UploadFileServlet.ERROR_0002_FILE_ALREADY_EXIST"));
        return;
      }
      FileOutputStream outputStream = new FileOutputStream(path + filename);
      outputStream.write(fileContents);
      outputStream.flush();
      outputStream.close();
      response.getWriter().write(new String(filename));
    } catch (Exception e) {
      response
          .getWriter()
          .write(
              Messages.getInstance()
                  .getErrorString(
                      "UploadFileServlet.ERROR_0005_UNKNOWN_ERROR", e.getLocalizedMessage()));
    }
  }
  public void doService() {
    ExecutionInstance instance;

    Integer documentId;
    String documentLabel;
    Integer documentVersion;
    String executionRole;
    String userProvidedParametersStr;

    BIObject obj;
    IEngUserProfile profile;
    List roles;

    logger.debug("IN");

    try {

      profile = getUserProfile();
      documentId =
          requestContainsAttribute(DOCUMENT_ID) ? getAttributeAsInteger(DOCUMENT_ID) : null;
      documentVersion =
          requestContainsAttribute(DOCUMENT_VERSION)
              ? getAttributeAsInteger(DOCUMENT_VERSION)
              : null;
      documentLabel = getAttributeAsString(DOCUMENT_LABEL);
      executionRole = getAttributeAsString(EXECUTION_ROLE);
      userProvidedParametersStr = getAttributeAsString(ObjectsTreeConstants.PARAMETERS);

      logger.debug("Parameter [" + DOCUMENT_ID + "] is equals to [" + documentId + "]");
      logger.debug("Parameter [" + DOCUMENT_LABEL + "] is equals to [" + documentLabel + "]");
      logger.debug("Parameter [" + DOCUMENT_VERSION + "] is equals to [" + documentVersion + "]");
      logger.debug("Parameter [" + EXECUTION_ROLE + "] is equals to [" + executionRole + "]");

      Assert.assertTrue(
          !StringUtilities.isEmpty(documentLabel) || documentId != null,
          "At least one between ["
              + DOCUMENT_ID
              + "] and ["
              + DOCUMENT_LABEL
              + "] parameter must be specified on request");

      Assert.assertTrue(
          !StringUtilities.isEmpty(executionRole),
          "Parameter [" + EXECUTION_ROLE + "] cannot be null");

      // load object to chek if it exists
      obj = null;
      if (!StringUtilities.isEmpty(documentLabel)) {
        logger.debug("Loading document with label = [" + documentLabel + "] ...");
        try {
          obj = DAOFactory.getBIObjectDAO().loadBIObjectByLabel(documentLabel);
        } catch (EMFUserError error) {
          logger.error("Object with label equals to [" + documentLabel + "] not found");
          throw new SpagoBIServiceException(
              SERVICE_NAME, "Object with label equals to [" + documentId + "] not found", error);
        }
      } else if (documentId != null) {
        logger.info("Loading biobject with id = [" + documentId + "] ...");
        try {
          obj = DAOFactory.getBIObjectDAO().loadBIObjectById(documentId);
        } catch (EMFUserError error) {
          logger.error("Object with id equals to [" + documentId + "] not found");
          throw new SpagoBIServiceException(
              SERVICE_NAME, "Object with id equals to [" + documentId + "] not found", error);
        }
      } else {
        Assert.assertUnreachable(
            "At least one between ["
                + DOCUMENT_ID
                + "] and ["
                + DOCUMENT_LABEL
                + "] parameter must be specified on request");
      }
      Assert.assertNotNull(obj, "Impossible to load document");
      logger.debug("... docuemnt loaded succesfully");
      // if into the request is specified a version of the template to use it's signed into the
      // object.
      if (documentVersion != null) obj.setDocVersion(documentVersion);

      // retrive roles for execution
      try {
        roles = ObjectsAccessVerifier.getCorrectRolesForExecution(obj.getId(), profile);
      } catch (Throwable t) {
        throw new SpagoBIServiceException(SERVICE_NAME, t);
      }

      if (roles != null && !roles.contains(executionRole)) {
        logger.error(
            "Document [id: "
                + obj.getId()
                + "; label: "
                + obj.getLabel()
                + " ] cannot be executed by any role of the user ["
                + profile.getUserUniqueIdentifier()
                + "]");
        throw new SpagoBIServiceException(
            SERVICE_NAME,
            "Document [id: "
                + obj.getId()
                + "; label: "
                + obj.getLabel()
                + " ] cannot be executed by any role of the user ["
                + profile.getUserUniqueIdentifier()
                + "]");
      }

      // so far so good: everything has been validated successfully. Let's create a new
      // ExecutionInstance.
      // instance = createExecutionInstance(obj.getId(), executionRole);

      UUIDGenerator uuidGen = UUIDGenerator.getInstance();
      UUID uuidObj = uuidGen.generateTimeBasedUUID();
      String executionContextId = uuidObj.toString();
      executionContextId = executionContextId.replaceAll("-", "");

      CoreContextManager ccm = createContext(executionContextId);
      // so far so good: everything has been validated successfully. Let's create a new
      // ExecutionInstance.
      instance =
          createExecutionInstance(
              obj.getId(), obj.getDocVersion(), executionRole, executionContextId, getLocale());

      createContext(executionContextId).set(ExecutionInstance.class.getName(), instance);

      // instance.refreshParametersValues(getSpagoBIRequestContainer().getRequest(), true);
      // instance.setParameterValues(userProvidedParametersStr, true);

      // refresh obj variable because createExecutionInstance load the BIObject in a different way
      // obj = instance.getBIObject();

      // ExecutionInstance has been created it's time to prepare the response with the instance
      // unique id and flush it to the client
      JSONObject responseJSON = null;
      responseJSON = new JSONObject();
      try {
        responseJSON.put("execContextId", executionContextId);
      } catch (JSONException e) {
        throw new SpagoBIServiceException("Impossible to serialize response", e);
      }

      try {
        writeBackToClient(new JSONSuccess(responseJSON));
      } catch (IOException e) {
        throw new SpagoBIServiceException("Impossible to write back the responce to the client", e);
      }

    } finally {
      logger.debug("OUT");
    }
  }
  /**
   * Returns an url for execute the document with the engine associated. It calls relative driver.
   *
   * @param objLabel the logical label of the document (gets from the template file)
   * @param sessionContainer session object
   * @param requestSB request object
   * @return String the complete url. It use this format: <code_error>|<url>. If there is an error
   *     during the execution <code_error> is valorized and url is null, else it is null and the url
   *     is complete.
   */
  public static String getExecutionUrl(
      String objLabel, SessionContainer sessionContainer, SourceBean requestSB) {
    logger.debug("IN");

    Monitor monitor =
        MonitorFactory.start("spagobi.engines.DocumentCompositionUtils.getExecutionUrl");

    String baseUrlReturn = "";
    String urlReturn = "";

    if (objLabel == null || objLabel.equals("")) {
      logger.error("Object Label is null: cannot get engine's url.");
      return "1008|";
    }

    try {
      // get the user profile from session
      SessionContainer permSession = sessionContainer.getPermanentContainer();
      IEngUserProfile profile =
          (IEngUserProfile) permSession.getAttribute(IEngUserProfile.ENG_USER_PROFILE);
      // get the execution role
      CoreContextManager contextManager =
          new CoreContextManager(
              new SpagoBISessionContainer(sessionContainer),
              new LightNavigatorContextRetrieverStrategy(requestSB));
      ExecutionInstance instance =
          contextManager.getExecutionInstance(ExecutionInstance.class.getName());
      String executionRole = instance.getExecutionRole();
      Integer objId = DAOFactory.getBIObjectDAO().loadBIObjectByLabel(objLabel).getId();
      BIObject obj =
          DAOFactory.getBIObjectDAO().loadBIObjectForExecutionByIdAndRole(objId, executionRole);
      //			BIObject obj =
      // DAOFactory.getBIObjectDAO().loadBIObjectForExecutionByLabelAndRole(objLabel,
      // executionRole);
      //			BIObject obj = DAOFactory.getBIObjectDAO().loadBIObjectByLabel(objLabel);
      if (obj == null) {
        logger.error(
            "Cannot obtain engine url. Document with label "
                + objLabel
                + " doesn't exist into database.");
        List l = new ArrayList();
        l.add(objLabel);
        throw new EMFUserError(EMFErrorSeverity.ERROR, "1005", l, messageBundle);
      }
      //			Engine engine = obj.getEngine();

      /*ALL CONTROLS OF COMPATIBILITY ARE REMANDED TO THE SINGLE ENGINE CALLED
      // GET THE TYPE OF ENGINE (INTERNAL / EXTERNAL) AND THE SUITABLE BIOBJECT TYPES
      Domain engineType = null;
      Domain compatibleBiobjType = null;
      try {
      	engineType = DAOFactory.getDomainDAO().loadDomainById(engine.getEngineTypeId());
      	compatibleBiobjType = DAOFactory.getDomainDAO().loadDomainById(engine.getBiobjTypeId());
      } catch (EMFUserError error) {
      	logger.error("Error retrieving document's engine information", error);
      	return "1009|";
      } catch (Exception error) {
      	logger.error("Error retrieving document's engine information", error);
      	return "1009|";
      }

      String compatibleBiobjTypeCd = compatibleBiobjType.getValueCd();
      String biobjTypeCd = obj.getBiObjectTypeCode();

      // CHECK IF THE BIOBJECT IS COMPATIBLE WITH THE TYPES SUITABLE FOR THE ENGINE

      if (!compatibleBiobjTypeCd.equalsIgnoreCase(biobjTypeCd)) {
      	// the engine document type and the biobject type are not compatible
      	logger.error("Engine cannot execute input document type: " +
      			"the engine " + engine.getName() + " can execute '" + compatibleBiobjTypeCd + "' type documents " +
      			"while the input document is a '" + biobjTypeCd + "'.");
      	Vector params = new Vector();
      	params.add(engine.getName());
      	params.add(compatibleBiobjTypeCd);
      	params.add(biobjTypeCd);
      	//errorHandler.addError(new EMFUserError(EMFErrorSeverity.ERROR, 2002, params));
      	return "2002|";
      }
       */
      // IF USER CAN'T EXECUTE THE OBJECT RETURN
      // if (!ObjectsAccessVerifier.canSee(obj, profile)) return "1010|";

      // get object configuration
      DocumentCompositionConfiguration docConfig = null;
      docConfig = (DocumentCompositionConfiguration) contextManager.get("docConfig");

      Document document = null;
      // get correct document configuration
      List lstDoc = docConfig.getLabelsArray();
      boolean foundDoc = false;
      for (int i = 0; i < lstDoc.size(); i++) {
        document = (Document) docConfig.getDocument((String) lstDoc.get(i));
        if (document != null) {
          if (!obj.getLabel().equalsIgnoreCase(document.getSbiObjLabel())) continue;
          else {
            foundDoc = true;
            break;
          }
        }
      }
      if (!foundDoc) {
        List l = new ArrayList();
        l.add(obj.getLabel());
        EMFUserError userError = new EMFUserError(EMFErrorSeverity.ERROR, 1079, l);
        logger.error(
            "The object with label " + obj.getLabel() + " hasn't got a document into template");
        return "1002|";
      }

      String className = obj.getEngine().getClassName();
      if ((className == null || className.trim().equals(""))
          && (document.getSnapshot() == null || !document.getSnapshot())) {
        // external engine
        // baseUrlReturn = obj.getEngine().getUrl() + "?";
        baseUrlReturn = obj.getEngine().getUrl();
        if (baseUrlReturn.indexOf("?") < 0) baseUrlReturn += "?";
        String driverClassName = obj.getEngine().getDriverName();
        IEngineDriver aEngineDriver = (IEngineDriver) Class.forName(driverClassName).newInstance();
        Map mapPars = aEngineDriver.getParameterMap(obj, profile, executionRole);
        String id = (String) requestSB.getAttribute("vpId");
        if (id != null) {
          IViewpointDAO VPDAO = DAOFactory.getViewpointDAO();
          Viewpoint vp = VPDAO.loadViewpointByID(new Integer(id));
          String[] vpParameters = vp.getVpValueParams().split("%26");
          if (vpParameters != null) {
            for (int i = 0; i < vpParameters.length; i++) {
              String param = (String) vpParameters[i];
              String name = param.substring(0, param.indexOf("%3D"));
              String value = param.substring(param.indexOf("%3D") + 3);
              if (mapPars.get(name) != null) {
                mapPars.remove(name);
                mapPars.put(name, value);
              } else mapPars.put(name, value);
            }
          }
        }
        mapPars.put(SpagoBIConstants.SBI_CONTEXT, GeneralUtilities.getSpagoBiContext());
        mapPars.put(SpagoBIConstants.SBI_HOST, GeneralUtilities.getSpagoBiHost());
        UUIDGenerator uuidGen = UUIDGenerator.getInstance();
        UUID uuidObj = uuidGen.generateRandomBasedUUID();
        String executionId = uuidObj.toString();
        executionId = executionId.replaceAll("-", "");
        mapPars.put("SBI_EXECUTION_ID", executionId);
        mapPars.put("EXECUTION_CONTEXT", "DOCUMENT_COMPOSITION");
        // Auditing
        AuditManager auditManager = AuditManager.getInstance();
        Integer executionAuditId =
            auditManager.insertAudit(
                instance.getBIObject(),
                null,
                profile,
                executionRole,
                instance.getExecutionModality());

        // adding parameters for AUDIT updating
        if (executionAuditId != null) {
          mapPars.put(AuditManager.AUDIT_ID, executionAuditId.toString());
        }

        Set parKeys = mapPars.keySet();
        Iterator parKeysIter = parKeys.iterator();
        do {
          if (!parKeysIter.hasNext()) {
            break;
          }
          String parkey = parKeysIter.next().toString();
          String parvalue = mapPars.get(parkey).toString();
          urlReturn =
              (new StringBuilder())
                  .append(urlReturn)
                  .append("&")
                  .append(parkey)
                  .append("=")
                  .append(parvalue)
                  .toString();
        } while (true);

      } else {

        // internal engine
        baseUrlReturn =
            GeneralUtilities.getSpagoBIProfileBaseUrl(profile.getUserUniqueIdentifier().toString());
        urlReturn = "&" + ObjectsTreeConstants.OBJECT_LABEL + "=" + objLabel;
        // identity string for context
        UUIDGenerator uuidGen = UUIDGenerator.getInstance();
        UUID uuid = uuidGen.generateRandomBasedUUID();
        urlReturn += "&" + LightNavigationManager.LIGHT_NAVIGATOR_ID + "=" + uuid.toString();
        if (document.getSnapshot() != null && document.getSnapshot()) {
          Snapshot snap = DAOFactory.getSnapshotDAO().getLastSnapshot(objId);
          if (snap != null) {
            urlReturn += "&SNAPSHOT_ID=" + snap.getId();
          }
          urlReturn += "&OBJECT_ID=" + objId;
          urlReturn += "&ACTION_NAME=GET_SNAPSHOT_CONTENT";
        } else {
          urlReturn +=
              "&PAGE=ExecuteBIObjectPage&"
                  + SpagoBIConstants.IGNORE_SUBOBJECTS_VIEWPOINTS_SNAPSHOTS
                  + "=true";
          urlReturn +=
              "&" + ObjectsTreeConstants.MODALITY + "=" + SpagoBIConstants.DOCUMENT_COMPOSITION;
        }
      }

      // I add passing of SBI_LANGUAGE and SBI_COUNTRY
      // on session container they are called AF_COUNTRY and AF_LANGUAGE
      SessionContainer sContainer = sessionContainer.getPermanentContainer();
      if (sContainer != null) {
        Object language = sContainer.getAttribute("AF_LANGUAGE");
        Object country = sContainer.getAttribute("AF_COUNTRY");
        if (language == null) {
          language = sContainer.getAttribute("SBI_LANGUAGE");
        }
        if (country == null) {
          country = sContainer.getAttribute("SBI_COUNTRY");
        }
        if (language != null && country != null) {
          urlReturn +=
              "&"
                  + SpagoBIConstants.SBI_LANGUAGE
                  + "="
                  + language
                  + "&"
                  + SpagoBIConstants.SBI_COUNTRY
                  + "="
                  + country;
        }
      }

      urlReturn += "&" + SpagoBIConstants.ROLE + "=" + executionRole;
      urlReturn += getParametersUrl(obj, document, requestSB, instance);
      // adds '|' char for management error into jsp if is necessary.

      urlReturn = baseUrlReturn + urlReturn;

      logger.debug("urlReturn: " + "|" + urlReturn);
    } catch (Exception ex) {
      logger.error("Error while getting execution url: " + ex);
      return null;
    } finally {
      monitor.stop();
    }

    logger.debug("OUT");

    return "|" + urlReturn;
  }
  /**
   * Builds list navigation buttons inside the list tag. If the number of elements is higher than
   * 10, they are divided into pages; this methods creates forward and backward arrows and page
   * number information for navigation.
   *
   * @throws JspException If any Exception occurs
   */
  protected void makeNavigationButton() throws JspException {

    String pageNumberString = (String) _content.getAttribute("PAGED_LIST.PAGE_NUMBER");
    if (_session.getAttribute("PAGE_NUMBER") != null) _session.delAttribute("PAGE_NUMBER");
    _session.setAttribute("PAGE_NUMBER", pageNumberString);

    int pageNumber = 1;
    try {
      pageNumber = Integer.parseInt(pageNumberString);
    } catch (NumberFormatException ex) {
      TracerSingleton.log(
          Constants.NOME_MODULO,
          TracerSingleton.WARNING,
          "ListTag::makeNavigationButton:: PAGE_NUMBER nullo");
    }
    String pagesNumberString = (String) _content.getAttribute("PAGED_LIST.PAGES_NUMBER");
    int pagesNumber = 1;
    try {
      pagesNumber = Integer.parseInt(pagesNumberString);
    } catch (NumberFormatException ex) {
      TracerSingleton.log(
          Constants.NOME_MODULO,
          TracerSingleton.WARNING,
          "ListTag::makeNavigationButton:: PAGES_NUMBER nullo");
    }

    int prevPage = pageNumber - 1;
    if (prevPage < 1) prevPage = 1;
    int nextPage = pageNumber + 1;
    if (nextPage > pagesNumber) nextPage = pagesNumber;

    // get the right parameters of the request
    // HashMap paramsMap  = getQueryStringParameter();
    // add the parameter for the provider
    // paramsMap.putAll(_providerUrlMap);

    _htmlStream.append(" <TABLE CELLPADDING=0 CELLSPACING=0  WIDTH='100%' BORDER=0>\n");
    _htmlStream.append("	<TR>\n");
    _htmlStream.append(
        "		<TD class='portlet-section-footer' valign='center' align='left' width='14'>\n");

    // create link for previous page
    HashMap prevParamsMap = new HashMap();
    prevParamsMap.putAll(_providerUrlMap);
    prevParamsMap.put("MESSAGE", "LIST_PAGE");
    prevParamsMap.put("LIST_PAGE", String.valueOf(prevPage));
    PortletURL prevUrl = createUrl(prevParamsMap);

    HashMap nextParamsMap = new HashMap();
    nextParamsMap.putAll(_providerUrlMap);
    nextParamsMap.put("MESSAGE", "LIST_PAGE");
    nextParamsMap.put("LIST_PAGE", String.valueOf(nextPage));
    PortletURL nextUrl = createUrl(nextParamsMap);

    // identity string for object of the page
    UUIDGenerator uuidGen = UUIDGenerator.getInstance();
    UUID uuid = uuidGen.generateTimeBasedUUID();
    String requestIdentity = uuid.toString();
    requestIdentity = requestIdentity.replaceAll("-", "");
    String formId = "formFilter" + requestIdentity;

    String valueFilter = (String) _serviceRequest.getAttribute(SpagoBIConstants.VALUE_FILTER);
    String columnFilter = (String) _serviceRequest.getAttribute(SpagoBIConstants.COLUMN_FILTER);
    String typeFilter = (String) _serviceRequest.getAttribute(SpagoBIConstants.TYPE_FILTER);
    if (valueFilter != null && columnFilter != null && typeFilter != null) {
      prevUrl.setParameter(SpagoBIConstants.VALUE_FILTER, valueFilter);
      prevUrl.setParameter(SpagoBIConstants.COLUMN_FILTER, columnFilter);
      prevUrl.setParameter(SpagoBIConstants.TYPE_FILTER, typeFilter);
      nextUrl.setParameter(SpagoBIConstants.VALUE_FILTER, valueFilter);
      nextUrl.setParameter(SpagoBIConstants.COLUMN_FILTER, columnFilter);
      nextUrl.setParameter(SpagoBIConstants.TYPE_FILTER, typeFilter);
    } else {
      valueFilter = "";
      columnFilter = "";
      typeFilter = "";
    }

    if (pageNumber != 1) {
      // _htmlStream.append("		<A href=\""+prevUrl.toString()+"\"><IMG
      // src='"+renderResponse.encodeURL(renderRequest.getContextPath() + "/img/prevPage.gif")+"'
      // ALIGN=RIGHT border=0></a>\n");
      _htmlStream.append(
          "<input type='image' "
              + "name='"
              + "prevPage"
              + "' "
              + "src ='"
              + renderResponse.encodeURL(renderRequest.getContextPath() + "/img/prevPage.gif")
              + "' "
              + "align='left' border=0"
              + "alt='"
              + "GO To Previous Page"
              + "'>\n");
    } else {
      _htmlStream.append(
          "		<IMG src='"
              + renderResponse.encodeURL(renderRequest.getContextPath() + "/img/prevPage.gif")
              + "' ALIGN=RIGHT border=0>\n");
    }
    _htmlStream.append("		</TD>\n");

    // create center blank cell
    // _htmlStream.append("		<TD class='portlet-section-footer'>&nbsp;</TD>\n");

    // visualize page numbers
    String pageLabel = msgBuilder.getMessage("ListTag.pageLable", _bundle, httpRequest);
    String pageOfLabel = msgBuilder.getMessage("ListTag.pageOfLable", _bundle, httpRequest);
    _htmlStream.append("						<TD class='portlet-section-footer' align='center'>\n");
    _htmlStream.append(
        "							<font class='aindice'>&nbsp;"
            + pageLabel
            + " "
            + pageNumber
            + " "
            + pageOfLabel
            + " "
            + pagesNumber
            + "&nbsp;</font>\n");
    _htmlStream.append("						    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n");

    // Form for list filtering; if not specified, the filter is enabled
    if (_filter == null || _filter.equalsIgnoreCase("enabled")) {

      PortletURL allUrl = createUrl(_providerUrlMap);
      PortletURL filterURL = createUrl(_providerUrlMap);

      String label = msgBuilder.getMessage("SBIListLookPage.labelFilter", _bundle, httpRequest);
      String labelStart = msgBuilder.getMessage("SBIListLookPage.startWith", _bundle, httpRequest);
      ;
      String labelEnd = msgBuilder.getMessage("SBIListLookPage.endWith", _bundle, httpRequest);
      ;
      String labelContain = msgBuilder.getMessage("SBIListLookPage.contains", _bundle, httpRequest);
      ;
      String labelEqual = msgBuilder.getMessage("SBIListLookPage.isEquals", _bundle, httpRequest);
      ;
      String labelFilter = msgBuilder.getMessage("SBIListLookPage.filter", _bundle, httpRequest);
      String labelAll = msgBuilder.getMessage("SBIListLookPage.all", _bundle, httpRequest);

      _htmlStream.append("						    <br/><br/>\n");
      _htmlStream.append(
          "						    <form action='" + filterURL + "' id='" + formId + "' method='post'>\n");
      _htmlStream.append("						    " + label + "\n");
      _htmlStream.append("						    <select name='" + SpagoBIConstants.COLUMN_FILTER + "'>\n");

      for (int i = 0; i < _columns.size(); i++) {
        String nameColumn = (String) ((SourceBean) _columns.elementAt(i)).getAttribute("NAME");
        String labelColumnCode =
            (String) ((SourceBean) _columns.elementAt(i)).getAttribute("LABEL");
        String labelColumn = new String(nameColumn);
        if (labelColumnCode != null)
          labelColumn = msgBuilder.getMessage(labelColumnCode, _bundle, httpRequest);
        String selected = "";
        if (nameColumn.equalsIgnoreCase(columnFilter)) selected = " selected='selected' ";
        _htmlStream.append(
            "						    	<option value='"
                + nameColumn
                + "' "
                + selected
                + " >"
                + labelColumn
                + "</option>\n");
      }
      String selected = "";
      _htmlStream.append("						    </select>\n");
      _htmlStream.append("						    <select name='" + SpagoBIConstants.TYPE_FILTER + "'>\n");
      if (typeFilter.equalsIgnoreCase(SpagoBIConstants.START_FILTER))
        selected = " selected='selected' ";
      else selected = "";
      _htmlStream.append(
          "						    	<option value='"
              + SpagoBIConstants.START_FILTER
              + "' "
              + selected
              + " >"
              + labelStart
              + "</option>\n");
      if (typeFilter.equalsIgnoreCase(SpagoBIConstants.END_FILTER))
        selected = " selected='selected' ";
      else selected = "";
      _htmlStream.append(
          "						    	<option value='"
              + SpagoBIConstants.END_FILTER
              + "' "
              + selected
              + " >"
              + labelEnd
              + "</option>\n");
      if (typeFilter.equalsIgnoreCase(SpagoBIConstants.EQUAL_FILTER))
        selected = " selected='selected' ";
      else selected = "";
      _htmlStream.append(
          "						    	<option value='"
              + SpagoBIConstants.EQUAL_FILTER
              + "' "
              + selected
              + " >"
              + labelEqual
              + "</option>\n");
      if (typeFilter.equalsIgnoreCase(SpagoBIConstants.CONTAIN_FILTER))
        selected = " selected='selected' ";
      else selected = "";
      _htmlStream.append(
          "						    	<option value='"
              + SpagoBIConstants.CONTAIN_FILTER
              + "' "
              + selected
              + " >"
              + labelContain
              + "</option>\n");
      _htmlStream.append("						    </select>\n");
      _htmlStream.append(
          "						    <input type=\"text\" name=\""
              + SpagoBIConstants.VALUE_FILTER
              + "\" size=\"10\" value=\""
              + valueFilter
              + "\" /> \n");
      _htmlStream.append(
          "						    <a href='javascript:document.getElementById(\""
              + formId
              + "\").submit()'>"
              + labelFilter
              + "</a> \n");
      _htmlStream.append(" <a href='" + allUrl.toString() + "'>" + labelAll + "</a> \n");
      _htmlStream.append("						    </form> \n");
    }

    // create link for next page
    _htmlStream.append(
        "		<TD class='portlet-section-footer' valign='center' align='right' width='14'>\n");
    if (pageNumber != pagesNumber) {
      // _htmlStream.append("		<A href=\""+nextUrl.toString()+"\"><IMG
      // src='"+renderResponse.encodeURL(renderRequest.getContextPath() + "/img/nextPage.gif")+"'
      // ALIGN=RIGHT border=0></a>\n");
      _htmlStream.append(
          "<input type='image' "
              + "name='"
              + "nextPage"
              + "' "
              + "src ='"
              + renderResponse.encodeURL(renderRequest.getContextPath() + "/img/nextPage.gif")
              + "' "
              + "align='right' border='0'"
              + "alt='"
              + "GO To Next Page"
              + "'>\n");
    } else {
      _htmlStream.append(
          "		<IMG src='"
              + renderResponse.encodeURL(renderRequest.getContextPath() + "/img/nextPage.gif")
              + "' ALIGN=RIGHT border=0>\n");
    }
    _htmlStream.append("		</TD>\n");
    _htmlStream.append("	</TR>\n");
    _htmlStream.append("</TABLE>\n");
  }