/* (non-Javadoc)
  * @see org.alfresco.service.cmr.view.Exporter#content(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName, java.io.InputStream)
  */
 public void content(
     NodeRef nodeRef, QName property, InputStream content, ContentData contentData, int index) {
   try {
     byte[] data = new byte[1048576]; // 1MB
     int read = content.read(data);
     ArrayList<Byte> total = new ArrayList<Byte>();
     while (read > -1) {
       for (int i = 0; i < read; i++) {
         total.add(data[i]);
       }
       read = content.read(data);
     }
     byte[] toEncode = new byte[total.size()];
     for (int i = 0; i < toEncode.length; i++) {
       toEncode[i] = total.get(i).byteValue();
     }
     String temp = Base64.encodeBytes(toEncode);
     String ptemp =
         contentData.getMimetype()
             + "|"
             + contentData.getSize()
             + "|"
             + contentData.getEncoding()
             + "|";
     contentHandler.characters(ptemp.toCharArray(), 0, ptemp.length());
     contentHandler.characters(temp.toCharArray(), 0, temp.length());
   } catch (Exception e) {
     throw new ExporterException("Failed to process export of base64 content: " + e.getMessage());
   }
 }
  /**
   * @see
   *     org.alfresco.repo.version.operations.VersionOperationsService#checkin(org.alfresco.repo.ref.NodeRef,
   *     Map<String,Serializable>, java.lang.String, boolean)
   */
  public NodeRef checkin(
      NodeRef workingCopyNodeRef,
      Map<String, Serializable> versionProperties,
      String contentUrl,
      boolean keepCheckedOut) {
    NodeRef nodeRef = null;

    // Check that we have been handed a working copy
    if (this.nodeService.hasAspect(workingCopyNodeRef, ContentModel.ASPECT_WORKING_COPY) == false) {
      // Error since we have not been passed a working copy
      throw new AspectMissingException(ContentModel.ASPECT_WORKING_COPY, workingCopyNodeRef);
    }

    // Check that the working node still has the copy aspect applied
    if (this.nodeService.hasAspect(workingCopyNodeRef, ContentModel.ASPECT_COPIEDFROM) == true) {
      // Invoke policy
      invokeBeforeCheckIn(workingCopyNodeRef, versionProperties, contentUrl, keepCheckedOut);

      Map<QName, Serializable> workingCopyProperties =
          nodeService.getProperties(workingCopyNodeRef);
      // Try and get the original node reference
      nodeRef = (NodeRef) workingCopyProperties.get(ContentModel.PROP_COPY_REFERENCE);
      if (nodeRef == null) {
        // Error since the original node can not be found
        throw new CheckOutCheckInServiceException(MSG_ERR_BAD_COPY);
      }

      try {
        // Release the lock
        this.lockService.unlock(nodeRef);
      } catch (UnableToReleaseLockException exception) {
        throw new CheckOutCheckInServiceException(MSG_ERR_NOT_OWNER, exception);
      }

      if (contentUrl != null) {
        ContentData contentData =
            (ContentData) workingCopyProperties.get(ContentModel.PROP_CONTENT);
        if (contentData == null) {
          throw new AlfrescoRuntimeException(
              MSG_ERR_WORKINGCOPY_HAS_NO_MIMETYPE, new Object[] {workingCopyNodeRef});
        } else {
          contentData =
              new ContentData(
                  contentUrl,
                  contentData.getMimetype(),
                  contentData.getSize(),
                  contentData.getEncoding());
        }
        // Set the content url value onto the working copy
        this.nodeService.setProperty(workingCopyNodeRef, ContentModel.PROP_CONTENT, contentData);
      }

      // Copy the contents of the working copy onto the original
      this.copyService.copy(workingCopyNodeRef, nodeRef);

      // Handle name change on working copy (only for folders/files)
      if (fileFolderService.getFileInfo(workingCopyNodeRef) != null) {
        String origName = (String) this.nodeService.getProperty(nodeRef, ContentModel.PROP_NAME);
        String name =
            (String) this.nodeService.getProperty(workingCopyNodeRef, ContentModel.PROP_NAME);
        if (hasWorkingCopyNameChanged(name, origName)) {
          // ensure working copy has working copy label in its name to avoid name clash
          if (!name.contains(" " + getWorkingCopyLabel())) {
            try {
              fileFolderService.rename(workingCopyNodeRef, createWorkingCopyName(name));
            } catch (FileExistsException e) {
              throw new CheckOutCheckInServiceException(
                  e, MSG_ERR_CANNOT_RENAME, name, createWorkingCopyName(name));
            } catch (FileNotFoundException e) {
              throw new CheckOutCheckInServiceException(
                  e, MSG_ERR_CANNOT_RENAME, name, createWorkingCopyName(name));
            }
          }
          try {
            // rename original to changed working name
            fileFolderService.rename(nodeRef, getNameFromWorkingCopyName(name));
          } catch (FileExistsException e) {
            throw new CheckOutCheckInServiceException(
                e, MSG_ERR_CANNOT_RENAME, origName, getNameFromWorkingCopyName(name));
          } catch (FileNotFoundException e) {
            throw new CheckOutCheckInServiceException(
                e, MSG_ERR_CANNOT_RENAME, name, getNameFromWorkingCopyName(name));
          }
        }
      }

      if (versionProperties != null
          && this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == true) {
        // Create the new version
        this.versionService.createVersion(nodeRef, versionProperties);
      }

      if (keepCheckedOut == false) {
        // Delete the working copy
        this.nodeService.deleteNode(workingCopyNodeRef);
      } else {
        // Re-lock the original node
        this.lockService.lock(nodeRef, LockType.READ_ONLY_LOCK);
      }

      // Invoke policy
      invokeOnCheckIn(nodeRef);
    } else {
      // Error since the copy aspect is missing
      throw new AspectMissingException(ContentModel.ASPECT_COPIEDFROM, workingCopyNodeRef);
    }

    return nodeRef;
  }