/**
   * Save the file uploaded
   *
   * @param user the user that save the file
   * @param host Current host
   * @param uploadedFile
   * @param folder The folder where the file is going to be save
   * @param title The filename
   * @return File
   * @throws Exception
   */
  @SuppressWarnings("unchecked")
  private static FileAsset saveFile(
      User user, Host host, java.io.File uploadedFile, String folderPath, String title)
      throws Exception {

    Folder folder = APILocator.getFolderAPI().findFolderByPath(folderPath, host, user, false);
    if (!UtilMethods.isSet(folder.getInode())) {
      User systemUser = APILocator.getUserAPI().getSystemUser();
      folder =
          APILocator.getFolderAPI()
              .createFolders(folderPath, host, APILocator.getUserAPI().getSystemUser(), false);
    }

    byte[] bytes = FileUtil.getBytes(uploadedFile);

    if (bytes != null) {
      String newFileName = "";
      String name = UtilMethods.getFileName(title);
      int counter = 1;
      String fileName = name + "." + UtilMethods.getFileExtension(title);
      while (APILocator.getFileAPI().fileNameExists(folder, fileName)) {
        newFileName = name + "(" + counter + ")";
        fileName = newFileName + "." + UtilMethods.getFileExtension(title);
        counter++;
      }
      while (APILocator.getFileAssetAPI().fileNameExists(host, folder, name, "")) {
        newFileName = name + "(" + counter + ")";
        fileName = newFileName + "." + UtilMethods.getFileExtension(title);
        counter++;
      }
      if (UtilMethods.isSet(newFileName)) {
        name = newFileName;
      }
      Contentlet cont = new Contentlet();
      cont.setStructureInode(folder.getDefaultFileType());
      cont.setStringProperty(FileAssetAPI.TITLE_FIELD, UtilMethods.getFileName(name));
      cont.setFolder(folder.getInode());
      cont.setHost(host.getIdentifier());
      cont.setBinary(FileAssetAPI.BINARY_FIELD, uploadedFile);
      if (StructureCache.getStructureByInode(cont.getStructureInode()).getStructureType()
          == Structure.STRUCTURE_TYPE_FILEASSET) cont.setStringProperty("fileName", title);
      cont = APILocator.getContentletAPI().checkin(cont, user, false);
      if (APILocator.getPermissionAPI()
          .doesUserHavePermission(cont, PermissionAPI.PERMISSION_PUBLISH, user))
        APILocator.getVersionableAPI().setLive(cont);
      return APILocator.getFileAssetAPI().fromContentlet(cont);
    }

    return null;
  }
  /**
   * Create a new content, setting the content values with the specified list of param values
   *
   * @param structureName The content structure name
   * @param parametersName The fields names
   * @param values The fields values
   * @return Contentlet
   * @throws DotDataException
   */
  private static Contentlet setAllFields(
      String structureName, List<String> parametersName, List<String[]> values)
      throws DotDataException {
    LanguageAPI lAPI = APILocator.getLanguageAPI();
    Structure st = StructureCache.getStructureByName(structureName);
    Contentlet contentlet = new Contentlet();
    contentlet.setStructureInode(st.getInode());
    contentlet.setLanguageId(lAPI.getDefaultLanguage().getId());

    for (int i = 0; i < parametersName.size(); i++) {
      String fieldname = parametersName.get(i);
      String[] fieldValue = values.get(i);
      setField(st, contentlet, fieldname, fieldValue);
    }

    return contentlet;
  }
  private void _deleteStructure(ActionForm form, ActionRequest req, ActionResponse res)
      throws Exception {

    try {
      Structure structure = (Structure) req.getAttribute(WebKeys.Structure.STRUCTURE);

      User user = _getUser(req);
      HttpServletRequest httpReq = ((ActionRequestImpl) req).getHttpServletRequest();

      // Checking permissions
      _checkDeletePermissions(structure, user, httpReq);

      // checking if there is containers using this structure
      List<Container> containers =
          APILocator.getContainerAPI().findContainersForStructure(structure.getInode());
      if (containers.size() > 0) {
        StringBuilder names = new StringBuilder();
        for (int i = 0; i < containers.size(); i++)
          names.append(containers.get(i).getFriendlyName()).append(", ");
        Logger.warn(
            EditStructureAction.class,
            "Structure "
                + structure.getName()
                + " can't be deleted because the following containers are using it: "
                + names);
        SessionMessages.add(req, "message", "message.structure.notdeletestructure.container");
        return;
      }

      if (!structure.isDefaultStructure()) {

        @SuppressWarnings("rawtypes")
        List fields = FieldFactory.getFieldsByStructure(structure.getInode());

        @SuppressWarnings("rawtypes")
        Iterator fieldsIter = fields.iterator();

        while (fieldsIter.hasNext()) {
          Field field = (Field) fieldsIter.next();
          FieldFactory.deleteField(field);
        }

        int limit = 200;
        int offset = 0;
        List<Contentlet> contentlets =
            conAPI.findByStructure(structure, user, false, limit, offset);
        int size = contentlets.size();
        while (size > 0) {
          conAPI.delete(contentlets, user, false);
          contentlets = conAPI.findByStructure(structure, user, false, limit, offset);
          size = contentlets.size();
        }

        if (structure.getStructureType() == Structure.STRUCTURE_TYPE_FORM) {

          @SuppressWarnings({"deprecation", "static-access"})
          Structure st =
              StructureCache.getStructureByName(fAPI.FORM_WIDGET_STRUCTURE_NAME_FIELD_NAME);

          if (UtilMethods.isSet(st) && UtilMethods.isSet(st.getInode())) {

            @SuppressWarnings({"deprecation", "static-access"})
            Field field = st.getField(fAPI.FORM_WIDGET_FORM_ID_FIELD_NAME);

            List<Contentlet> widgetresults =
                conAPI.search(
                    "+structureInode:"
                        + st.getInode()
                        + " +"
                        + field.getFieldContentlet()
                        + ":"
                        + structure.getInode(),
                    0,
                    0,
                    "",
                    user,
                    false);
            if (widgetresults.size() > 0) {
              conAPI.delete(widgetresults, user, false);
            }
          }
        }

        // http://jira.dotmarketing.net/browse/DOTCMS-6435
        if (structure.getStructureType() == Structure.STRUCTURE_TYPE_FILEASSET) {
          StructureFactory.updateFolderFileAssetReferences(structure);
        }

        List<Relationship> relationships = RelationshipFactory.getRelationshipsByParent(structure);
        for (Relationship rel : relationships) {
          RelationshipFactory.deleteRelationship(rel);
        }
        relationships = RelationshipFactory.getRelationshipsByChild(structure);
        for (Relationship rel : relationships) {
          RelationshipFactory.deleteRelationship(rel);
        }

        PermissionAPI perAPI = APILocator.getPermissionAPI();
        perAPI.removePermissions(structure);

        StructureFactory.deleteStructure(structure);

        // Removing the structure from cache
        FieldsCache.removeFields(structure);
        StructureCache.removeStructure(structure);
        StructureServices.removeStructureFile(structure);

        SessionMessages.add(req, "message", "message.structure.deletestructure");
      } else {
        SessionMessages.add(req, "message", "message.structure.notdeletestructure");
      }
    } catch (Exception ex) {
      Logger.debug(EditStructureAction.class, ex.toString());
      throw ex;
    }
  }
  private void _saveStructure(ActionForm form, ActionRequest req, ActionResponse res) {
    try {
      boolean newStructure = false;
      StructureForm structureForm = (StructureForm) form;
      Structure structure = (Structure) req.getAttribute(WebKeys.Structure.STRUCTURE);

      User user = _getUser(req);
      HttpServletRequest httpReq = ((ActionRequestImpl) req).getHttpServletRequest();

      if (!UtilMethods.isSet(structureForm.getHost())
          && (!UtilMethods.isSet(structureForm.getFolder())
              || structureForm.getFolder().equals("SYSTEM_FOLDER"))) {
        throw new DotDataException(LanguageUtil.get(user, "Host-or-folder-is-required"));
      }

      // Checking permissions
      _checkWritePermissions(structure, user, httpReq);

      // Check if another structure with the same name exist
      String auxStructureName = structureForm.getName();
      auxStructureName = (auxStructureName != null ? auxStructureName.trim() : "");

      @SuppressWarnings("deprecation")
      Structure auxStructure = StructureCache.getStructureByType(auxStructureName);

      if (InodeUtils.isSet(auxStructure.getInode())
          && !auxStructure.getInode().equalsIgnoreCase(structure.getInode())) {
        throw new DotDataException(
            LanguageUtil.get(user, "There-is-another-structure-with-the-same-name"));
      }

      Arrays.sort(reservedStructureNames);
      if (!InodeUtils.isSet(structureForm.getInode())
          && (Arrays.binarySearch(reservedStructureNames, auxStructureName) >= 0)) {
        throw new DotDataException("Invalid Reserved Structure Name : " + auxStructureName);
      }

      // Validate if is a new structure and if the name hasn't change
      if (!InodeUtils.isSet(structure.getInode())) {
        newStructure = true;
      } else {
        String structureName = structure.getName();
        String structureFormName = structureForm.getName();
        if (UtilMethods.isSet(structureName)
            && UtilMethods.isSet(structureFormName)
            && !structureName.equals(structureFormName)
            && !structure.isFixed()) {

          StructureCache.removeStructure(structure);
        }
      }

      // If the structure is fixed the name cannot be changed
      if (structure.isFixed()) {
        structureForm.setName(structure.getName());
      }

      // if I'm editing a structure the structureType couldn't not be
      // change
      if (UtilMethods.isSet(structure.getInode()) && InodeUtils.isSet(structure.getInode())) {
        // reset the structure type to it's original value
        structureForm.setStructureType(structure.getStructureType());
      }
      if (UtilMethods.isSet(structure.getVelocityVarName())) {
        structureForm.setVelocityVarName(structure.getVelocityVarName());
      }
      if (UtilMethods.isSet(structureForm.getHost())) {
        if (!structureForm.getHost().equals(Host.SYSTEM_HOST)
            && hostAPI.findSystemHost().getIdentifier().equals(structureForm.getHost())) {
          structureForm.setHost(Host.SYSTEM_HOST);
        }
        structureForm.setFolder("SYSTEM_FOLDER");
      } else if (UtilMethods.isSet(structureForm.getFolder())) {
        structureForm.setHost(folderAPI.find(structureForm.getFolder(), user, false).getHostId());
      }

      if (UtilMethods.isSet(structureForm.getHost())
          && (!UtilMethods.isSet(structureForm.getFolder())
              || structureForm.getFolder().equals("SYSTEM_FOLDER"))) {
        Host host = hostAPI.find(structureForm.getHost(), user, false);
        if (host != null) {
          if (structure.getStructureType() == Structure.STRUCTURE_TYPE_FORM) {
            if (!perAPI.doesUserHavePermissions(
                host,
                "PARENT:"
                    + PermissionAPI.PERMISSION_CAN_ADD_CHILDREN
                    + ", STRUCTURES:"
                    + PermissionAPI.PERMISSION_PUBLISH,
                user)) {
              throw new DotDataException(
                  LanguageUtil.get(
                      user, "User-does-not-have-add-children-permission-on-host-folder"));
            }
          } else {
            if (!perAPI.doesUserHavePermission(
                host, PermissionAPI.PERMISSION_CAN_ADD_CHILDREN, user)) {
              throw new DotDataException(
                  LanguageUtil.get(
                      user, "User-does-not-have-add-children-permission-on-host-folder"));
            }
          }
        }
      }

      if (UtilMethods.isSet(structureForm.getFolder())
          && !structureForm.getFolder().equals("SYSTEM_FOLDER")) {
        Folder folder = folderAPI.find(structureForm.getFolder(), user, false);
        if (folder != null) {
          if (structure.getStructureType() == Structure.STRUCTURE_TYPE_FORM) {
            if (!perAPI.doesUserHavePermissions(
                folder,
                "PARENT:"
                    + PermissionAPI.PERMISSION_CAN_ADD_CHILDREN
                    + ", STRUCTURES:"
                    + PermissionAPI.PERMISSION_PUBLISH,
                user)) {
              throw new DotDataException(
                  LanguageUtil.get(
                      user, "User-does-not-have-add-children-permission-on-host-folder"));
            }
          } else {
            if (!perAPI.doesUserHavePermission(
                folder, PermissionAPI.PERMISSION_CAN_ADD_CHILDREN, user)) {
              throw new DotDataException(
                  LanguageUtil.get(
                      user, "User-does-not-have-add-children-permission-on-host-folder"));
            }
          }
        }
      }

      BeanUtils.copyProperties(structure, structureForm);

      // if htmlpage doesn't exist page id should be an identifier. Should
      // be refactored once we get identifierAPI/HTMLPage API done
      String pageDetail = structureForm.getDetailPage();

      if (newStructure) {
        String structureVelocityName =
            VelocityUtil.convertToVelocityVariable(structure.getName(), true);
        List<String> velocityvarnames = StructureFactory.getAllVelocityVariablesNames();
        int found = 0;
        if (VelocityUtil.isNotAllowedVelocityVariableName(structureVelocityName)) {
          found++;
        }

        for (String velvar : velocityvarnames) {
          if (velvar != null) {
            if (structureVelocityName.equalsIgnoreCase(velvar)) {
              found++;
            } else if (velvar.toLowerCase().contains(structureVelocityName.toLowerCase())) {
              String number = velvar.substring(structureVelocityName.length());
              if (RegEX.contains(number, "^[0-9]+$")) {
                found++;
              }
            }
          }
        }
        if (found > 0) {
          structureVelocityName = structureVelocityName + Integer.toString(found);
        }
        structure.setVelocityVarName(structureVelocityName);
      }

      if (UtilMethods.isSet(pageDetail)) {
        structure.setDetailPage(pageDetail);
      }

      // Saving interval review properties
      if (structureForm.isReviewContent()) {
        structure.setReviewInterval(
            structureForm.getReviewIntervalNum() + structureForm.getReviewIntervalSelect());
      } else {
        structure.setReviewInterval(null);
        structure.setReviewerRole(null);
      }

      // If there is no default structure this would be
      Structure defaultStructure = StructureFactory.getDefaultStructure();
      if (!InodeUtils.isSet(defaultStructure.getInode())) {
        structure.setDefaultStructure(true);
      }
      if (newStructure) {
        structure.setFixed(false);
        structure.setOwner(user.getUserId());
      }
      // validate iit is a form structure set it as system by default
      if (structureForm.getStructureType() == Structure.STRUCTURE_TYPE_FORM) {
        structure.setSystem(true);
      }
      StructureFactory.saveStructure(structure);
      structureForm.setUrlMapPattern(structure.getUrlMapPattern());

      WorkflowScheme scheme = APILocator.getWorkflowAPI().findSchemeForStruct(structure);

      String schemeId = req.getParameter("workflowScheme");

      if (scheme != null && UtilMethods.isSet(schemeId) && !schemeId.equals(scheme.getId())) {
        scheme = APILocator.getWorkflowAPI().findScheme(schemeId);
        APILocator.getWorkflowAPI().saveSchemeForStruct(structure, scheme);
      }

      // if the structure is a widget we need to add the base fields.
      if (newStructure && structureForm.getStructureType() == Structure.STRUCTURE_TYPE_WIDGET) {
        wAPI.createBaseWidgetFields(structure);
      }

      // if the structure is a form we need to add the base fields.
      if (newStructure && structureForm.getStructureType() == Structure.STRUCTURE_TYPE_FORM) {
        fAPI.createBaseFormFields(structure);
      }

      // if the structure is a form we need to add the base fields.
      if (newStructure && structureForm.getStructureType() == Structure.STRUCTURE_TYPE_FILEASSET) {
        APILocator.getFileAssetAPI().createBaseFileAssetFields(structure);
      }
      if (!newStructure) {
        perAPI.resetPermissionReferences(structure);
      }

      // Saving the structure in cache
      StructureCache.removeStructure(structure);
      StructureCache.addStructure(structure);
      StructureServices.removeStructureFile(structure);

      String message = "message.structure.savestructure";
      if (structure.getStructureType() == 3) {
        message = "message.form.saveform";
      }
      SessionMessages.add(req, "message", message);
      AdminLogger.log(
          EditStructureAction.class,
          "_saveStructure",
          "Structure saved : " + structure.getName(),
          user);
    } catch (Exception ex) {
      Logger.error(this.getClass(), ex.toString());
      String message = ex.toString();
      SessionMessages.add(req, "error", message);
    }
  }