Package ca.carleton.gcrc.couch.onUpload.conversion

Examples of ca.carleton.gcrc.couch.onUpload.conversion.FileConversionContext


  }

  public void createThumbnail(AttachmentDescriptor attDescription) throws Exception {
    // Get file
    DocumentDescriptor docDescriptor = attDescription.getDocumentDescriptor();
    FileConversionContext conversionContext = attDescription.getContext();
    String mimeType = attDescription.getContentType();
    File inFile = File.createTempFile("original_", attDescription.getMediaFileName());
    conversionContext.downloadFile(attDescription.getAttachmentName(), inFile);

    File outFile = File.createTempFile("thumb_", attDescription.getMediaFileName());
   
    // Perform thumbnail
    MultimediaConversionRequest request = new MultimediaConversionRequest();
    request.setInFile( inFile );
    request.setThumbnailFile(outFile);
    request.setThumbnailRequested(true);
   
    MultimediaClass mmClass = MimeUtils.getMultimediaClassFromMimeType(mimeType);
    if( MultimediaClass.IMAGE == mmClass ) {
      // For image file, convert to appropriate file type
      mmConverter.createImageThumbnail(request);
     
    } else {
      throw new Exception("Unknown multimedia class: "+mmClass);
    }

    // Compute attachment name
    SystemFile thumbSf = SystemFile.getSystemFile(outFile);
   
    String thumbExtension = "";
    {
      String name = outFile.getName();
      int index = name.lastIndexOf('.');
      if( index > 0 ){
        thumbExtension = name.substring(index+1);
      }
    }
   
    String thumbnailAttachmentName = computeThumbnailName(attDescription.getAttachmentName(),thumbExtension);
   
    // Upload thumbnail
    String thumbMimeType = thumbSf.getMimeType();
    conversionContext.uploadFile(thumbnailAttachmentName, outFile, thumbMimeType);
   
    // Report thumbnail object
    if( request.isThumbnailCreated() ) {
     
      AttachmentDescriptor thumbnailObj = docDescriptor.getAttachmentDescription(thumbnailAttachmentName);
View Full Code Here


  }

  private void performSubmittedWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);

    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);
   
    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      logger.info("Submission can not be found");

    } else if( false == UploadConstants.UPLOAD_STATUS_SUBMITTED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      logger.info("File not in submit state");
     
    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();
      OriginalFileDescriptor originalObj = attDescription.getOriginalFileDescription();
     
      if( null == originalObj) {
        logger.error("Submission does not contain original");
        throw new Exception("Submission does not contain original");
     

      File file = originalObj.getMediaFile();
      if( null == file ){
        logger.error("No media file reported");
        throw new Exception("No media file reported");
      }
      if( false == file.exists() || false == file.isFile() ){
        logger.error(""+file.getAbsolutePath()+" is not a file.");
        throw new Exception(""+file.getAbsolutePath()+" is not a file.");
      };

      // Set file size
      long fileSize = file.length();
      originalObj.setSize(fileSize);

      // Mime type, encoding type and file class
      boolean pluginFound = false;
      String mimeType = null;
      String mimeEncoding = null;
      String fileClass = null;
      for(FileConversionPlugin fcp : this.fileConverters) {
        FileConversionMetaData md = fcp.getFileMetaData(file);
        if( md.isFileConvertable() ) {
          mimeType = md.getMimeType();
          fileClass = md.getFileClass();
          mimeEncoding = md.getMimeEncoding();
 
          pluginFound = true;
          break;
        }
      }
      if( false == pluginFound ) {
        logger.info("No plugin found for uploaded file");
       
        SystemFile sf = SystemFile.getSystemFile(file);
        mimeType = sf.getMimeType();
        mimeEncoding = sf.getMimeEncoding();
      }
      if( null != mimeType ) {
        originalObj.setContentType(mimeType);
      }
      if( null != mimeEncoding ) {
        originalObj.setEncodingType(mimeEncoding);
      }
      if( null != fileClass ){
        attDescription.setFileClass(fileClass);
      }

      // Update status
      attDescription.setStatus(UploadConstants.UPLOAD_STATUS_ANALYZED);
      conversionContext.saveDocument();
    }
  }
View Full Code Here

   * @throws Exception
   */
  private void performSubmittedInlineWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);

    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);
   
    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      logger.info("Submission can not be found");

    } else if( false == UploadConstants.UPLOAD_STATUS_SUBMITTED_INLINE.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      logger.info("File not in submit inline state");
     
    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();

      // Verify that a file is attached to the document
      if( false == attDescription.isFilePresent() ) {
        // Invalid state
        throw new Exception("Invalid state. A file must be present for submitted_inline");
      }
     
      // Download file
      File outputFile = File.createTempFile("inline", "", mediaDir);
      conversionContext.downloadFile(outputFile);
     
      // Create an original structure to point to the file in the
      // media dir. This way, when we go to "submitted" state, we will
      // be ready.
      OriginalFileDescriptor originalDescription = attDescription.getOriginalFileDescription();
      originalDescription.setMediaFileName(outputFile.getName());

      // Delete current attachment
      attDescription.removeFile();

      // Update status
      attDescription.setStatus(UploadConstants.UPLOAD_STATUS_SUBMITTED);
      conversionContext.saveDocument();
    }
  }
View Full Code Here

  }

  private void performAnalyzedWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);

    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);
   
    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      logger.info("Analysis object not found");

    } else if( false == UploadConstants.UPLOAD_STATUS_ANALYZED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      logger.info("File not in analyzed state");
     
    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();

      if( false == attDescription.isOriginalFileDescriptionAvailable() ) {
        logger.error("Analysis required but original object is not present");
        throw new Exception("Analysis required but original object is not present");
      }
      OriginalFileDescriptor originalObj = attDescription.getOriginalFileDescription();
     
      // Verify if a submitter is specified
      CouchUserContext submitter = attDescription.getSubmitter();

      boolean pluginFound = false;
      String fileClass = attDescription.getFileClass();
      for(FileConversionPlugin fcp : this.fileConverters) {
        if( fcp.handlesFileClass(fileClass, FileConversionPlugin.WORK_ANALYZE) ) {
          fcp.performWork(FileConversionPlugin.WORK_ANALYZE, conversionContext);
          pluginFound = true;
          break;
        }
      }
      if( false == pluginFound ) {
        logger.info("No plugin found to analyze file class: "+fileClass);
       
        // By default, original file is used
        attDescription.setMediaFileName(originalObj.getMediaFileName());
        attDescription.setContentType(originalObj.getContentType());
        attDescription.setEncodingType(originalObj.getEncodingType());
        attDescription.setSize(originalObj.getSize());
      }
     
      // Update document
      if( CouchNunaliitUtils.hasVetterRole(submitter, settings.getAtlasName()) ) {
        // If submitter has vetter role, then no need to wait for approval
        attDescription.setStatus(UploadConstants.UPLOAD_STATUS_APPROVED);
      } else {
        attDescription.setStatus(UploadConstants.UPLOAD_STATUS_WAITING_FOR_APPROVAL);
      }
      conversionContext.saveDocument();
     
      // Notify that upload is available
      sendContributionApprovalRequest(docId, doc, attachmentName);
    }
  }
View Full Code Here

  }

  private void performApprovedWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);
   
    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);

    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      logger.info("Approved object not found");

    } else if( false == UploadConstants.UPLOAD_STATUS_APPROVED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      logger.info("File not in approved state");
     
    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();

      boolean pluginFound = false;
      String fileClass = attDescription.getFileClass();
      for(FileConversionPlugin fcp : this.fileConverters) {
        if( fcp.handlesFileClass(fileClass, FileConversionPlugin.WORK_APPROVE) ) {
          fcp.performWork(FileConversionPlugin.WORK_APPROVE, conversionContext);
          pluginFound = true;
          break;
        }
      }
      if( false == pluginFound ) {
        logger.info("No plugin found for uploaded file class: "+fileClass);
       
        String mimeType = attDescription.getContentType();
        if( null == mimeType ) {
          mimeType = "application/octet-stream";
        }
       
        // By default, upload original file
        conversionContext.uploadFile(
          conversionContext.getAttachmentName()
          ,attDescription.getMediaFile()
          ,mimeType
          );
      }

      // Update status
      attDescription.setStatus(UploadConstants.UPLOAD_STATUS_ATTACHED);
      conversionContext.saveDocument();
    }
  }
View Full Code Here

  }
 
  private void performOrientationWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);
   
    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);

    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      logger.info("Approved object not found");

    } else if( false == UploadConstants.UPLOAD_STATUS_ATTACHED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      logger.info("File not in attached state");

    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();
      ServerWorkDescriptor serverDescription = attDescription.getServerWorkDescription();
      int orientationLevel = serverDescription.getOrientationLevel();
     
      if( orientationLevel >= UploadConstants.SERVER_ORIENTATION_VALUE ) {
        logger.info("Orientation work already done");
      } else {
        boolean pluginFound = false;
        String fileClass = attDescription.getFileClass();
        for(FileConversionPlugin fcp : this.fileConverters) {
          if( fcp.handlesFileClass(fileClass, FileConversionPlugin.WORK_ORIENT) ) {
            fcp.performWork(FileConversionPlugin.WORK_ORIENT, conversionContext);
            pluginFound = true;
            break;
          }
        }
        if( false == pluginFound ) {
          logger.info("No plugin found for uploaded file class: "+fileClass);
        }
 
        // Update status
        conversionContext.saveDocument();
      }
    }
  }
View Full Code Here

  }
 
  private void performThumbnailWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);
   
    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);

    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      logger.info("Approved object not found");

    } else if( false == UploadConstants.UPLOAD_STATUS_ATTACHED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      logger.info("File not in attached state");

    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();
      ServerWorkDescriptor serverDescription = attDescription.getServerWorkDescription();
      String thumbnailReference = attDescription.getThumbnailReference();
      int thumbnailLevel = serverDescription.getThumbnailLevel();
     
      if( thumbnailLevel >= UploadConstants.SERVER_THUMBNAIL_VALUE ) {
        logger.info("Orientation work already done");
 
      } else if( null != thumbnailReference ) {
        // This is an instance where the thumbnail was already
        // created but the server work was not noted. This happens
        // with legacy documents.
        // In this case, update server work and save document.
        serverDescription.setThumbnailLevel(UploadConstants.SERVER_THUMBNAIL_VALUE);
       
        // Update status
        conversionContext.saveDocument();
       
        logger.info("Updated server thumbnail status");

      } else {

        boolean pluginFound = false;
        String fileClass = attDescription.getFileClass();
        for(FileConversionPlugin fcp : this.fileConverters) {
          if( fcp.handlesFileClass(fileClass, FileConversionPlugin.WORK_THUMBNAIL) ) {
            fcp.performWork(FileConversionPlugin.WORK_THUMBNAIL, conversionContext);
            pluginFound = true;
           
            logger.info("Created thumbnail");
            break;
          }
        }
        if( false == pluginFound ) {
          logger.info("No plugin found for thumbnail creation, file class: "+fileClass);
        }

        // Update status
        conversionContext.saveDocument();
      }
    }
  }
View Full Code Here

  }
 
  private void performUploadOriginalImageWork(String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);
   
    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);

    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      throw new Exception("Approved object not found");

    } else if( false == UploadConstants.UPLOAD_STATUS_ATTACHED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      throw new Exception("File not in attached state");

    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();
      WorkDescriptor work = attDescription.getWorkDescription();

      boolean pluginFound = false;
      String fileClass = attDescription.getFileClass();
      for(FileConversionPlugin fcp : this.fileConverters) {
        if( fcp.handlesFileClass(fileClass, FileConversionPlugin.WORK_UPLOAD_ORIGINAL) ) {
          fcp.performWork(FileConversionPlugin.WORK_UPLOAD_ORIGINAL, conversionContext);
          pluginFound = true;
         
          logger.info("Original file uploaded");
          break;
        }
      }
      if( false == pluginFound ) {
        work.setStringAttribute(UploadConstants.UPLOAD_WORK_UPLOAD_ORIGINAL_IMAGE, "No plugin found for thumbnail creation, file class: "+fileClass);
      }

      // Update status
      conversionContext.saveDocument();
    }
  }
View Full Code Here

  }
 
  private void performRotateWork(String workType, String docId, String attachmentName) throws Exception {
    JSONObject doc = dd.getDatabase().getDocument(docId);
   
    FileConversionContext conversionContext =
      new FileConversionContext(doc,dd,attachmentName,mediaDir);

    if( false == conversionContext.isAttachmentDescriptionAvailable() ) {
      throw new Exception("Approved object not found");

    } else if( false == UploadConstants.UPLOAD_STATUS_ATTACHED.equals( conversionContext.getAttachmentDescription().getStatus() ) ) {
      throw new Exception("File not in attached state");

    } else {
      AttachmentDescriptor attDescription = conversionContext.getAttachmentDescription();
      WorkDescriptor work = attDescription.getWorkDescription();

      boolean pluginFound = false;
      String fileClass = attDescription.getFileClass();
      for(FileConversionPlugin fcp : this.fileConverters) {
        if( fcp.handlesFileClass(fileClass, workType) ) {
          fcp.performWork(workType, conversionContext);
          pluginFound = true;
         
          logger.info("Rotation work complete: "+workType);
          break;
        }
      }
      if( false == pluginFound ) {
        work.setStringAttribute(UploadConstants.UPLOAD_WORK_UPLOAD_ORIGINAL_IMAGE, "No plugin found for thumbnail creation, file class: "+fileClass);
      }

      // Update status
      conversionContext.saveDocument();
    }
  }
View Full Code Here

    logger.info("Upload worker completed: "+work);
  }

  private void performWaitingForUploadWork(Work work) throws Exception {

    FileConversionContext conversionContext =
      new FileConversionContextImpl(work,documentDbDesign,mediaDir);
   
    DocumentDescriptor docDescriptor = conversionContext.getDocument();
   
    String uploadId = work.getUploadId();
    AttachmentDescriptor attDescription = docDescriptor.findAttachmentWithUploadId(uploadId);
   
    String uploadRequestDocId = work.getUploadRequestDocId();
    JSONObject uploadRequestDoc = documentDbDesign.getDatabase().getDocument(uploadRequestDocId);
   
    attDescription.remove();
   
    JSONObject uploadRequest = uploadRequestDoc.getJSONObject("nunaliit_upload_request");
    JSONArray files = uploadRequest.getJSONArray("files");
   
    for(int i=0,e=files.length(); i<e; ++i){
      JSONObject file = files.getJSONObject(i);
     
      String attachmentName = file.getString("attachmentName");
      String originalName = file.getString("originalName");
      String submitter = file.getString("submitter");
      JSONObject original = file.getJSONObject("original");
      JSONObject data = file.getJSONObject("data");
     
      String effectiveAttachmentName = attachmentName;
      if( docDescriptor.isAttachmentDescriptionAvailable(effectiveAttachmentName) ) {
        // Select a different file name
        String prefix = "";
        String suffix = "";
        int pos = attachmentName.indexOf('.', 1);
        if( pos < 0 ) {
          prefix = attachmentName;
        } else {
          prefix = attachmentName.substring(0, pos-1);
          suffix = attachmentName.substring(pos);
        }
        int counter = 0;
        while( docDescriptor.isAttachmentDescriptionAvailable(effectiveAttachmentName) ) {
          attachmentName = prefix + counter + suffix;
          ++counter;
        }
      }
     
      AttachmentDescriptor requestAttachment =
          docDescriptor.getAttachmentDescription(effectiveAttachmentName);
      requestAttachment.setStatus(UploadConstants.UPLOAD_STATUS_SUBMITTED);
      requestAttachment.setOriginalName(originalName);
      requestAttachment.setSubmitterName(submitter);
      requestAttachment.setUploadId(uploadId);
     
      JSONObject jsonAtt = requestAttachment.getJson();
      jsonAtt.put("original", original);
      jsonAtt.put("data", data);
    }
   
    // Save document
    conversionContext.saveDocument();
   
    // Delete upload request
    documentDbDesign.getDatabase().deleteDocument(uploadRequestDoc);
  }
View Full Code Here

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