Ejemplo n.º 1
0
 /**
  * {@inheritDoc} <br>
  * Implementation which gets all the annotation class objects in the document pointed by the
  * target, and matches their ids against the ids in the passed collection of annotations. If they
  * match, they are updated with the new data in the annotations in annotation.
  *
  * @see org.xwiki.annotation.io.IOService#updateAnnotations(String, java.util.Collection)
  */
 @Override
 public void updateAnnotations(String target, Collection<Annotation> annotations)
     throws IOServiceException {
   try {
     EntityReference targetReference = referenceResolver.resolve(target, EntityType.DOCUMENT);
     // get the document name from the parsed reference
     String docName = target;
     if (targetReference.getType() == EntityType.DOCUMENT
         || targetReference.getType() == EntityType.OBJECT_PROPERTY) {
       docName = serializer.serialize(targetReference.extractReference(EntityType.DOCUMENT));
     }
     // get the document pointed to by the target
     XWikiContext deprecatedContext = getXWikiContext();
     XWikiDocument document = deprecatedContext.getWiki().getDocument(docName, deprecatedContext);
     List<String> updateNotifs = new ArrayList<String>();
     boolean updated = false;
     for (Annotation annotation : annotations) {
       // parse annotation id as string. If cannot parse, then ignore annotation, is not valid
       int annId = 0;
       try {
         annId = Integer.parseInt(annotation.getId());
       } catch (NumberFormatException e) {
         continue;
       }
       BaseObject object = document.getXObject(configuration.getAnnotationClassReference(), annId);
       if (object == null) {
         continue;
       }
       updated = updateObject(object, annotation, deprecatedContext) || updated;
       updateNotifs.add(annotation.getId());
     }
     if (updated) {
       // set the author of the document to the current user
       document.setAuthor(deprecatedContext.getUser());
       deprecatedContext
           .getWiki()
           .saveDocument(document, "Updated annotations", deprecatedContext);
       // send annotation update notifications for all annotations set to notify for
       ObservationManager observationManager = componentManager.lookup(ObservationManager.class);
       for (String updateNotif : updateNotifs) {
         observationManager.notify(
             new AnnotationUpdatedEvent(docName, updateNotif), document, deprecatedContext);
       }
     }
   } catch (XWikiException e) {
     throw new IOServiceException("An exception has occurred while updating the annotation", e);
   } catch (ComponentLookupException exc) {
     this.logger.warn(
         "Could not get the observation manager to send notifications about the annotation update");
   }
 }
Ejemplo n.º 2
0
  /**
   * {@inheritDoc} <br>
   * This implementation deletes the annotation object with the object number indicated by {@code
   * annotationID} from the document indicated by {@code target}, if its stored target matches the
   * passed target.
   *
   * @see org.xwiki.annotation.io.IOService#removeAnnotation(String, String)
   */
  @Override
  public void removeAnnotation(String target, String annotationID) throws IOServiceException {
    try {
      if (annotationID == null || target == null) {
        return;
      }

      EntityReference targetReference = referenceResolver.resolve(target, EntityType.DOCUMENT);
      // get the target identifier and the document name from the parsed reference
      String localTargetId = target;
      String docName = target;
      if (targetReference.getType() == EntityType.DOCUMENT
          || targetReference.getType() == EntityType.OBJECT_PROPERTY) {
        localTargetId = localSerializer.serialize(targetReference);
        docName = serializer.serialize(targetReference.extractReference(EntityType.DOCUMENT));
      }
      // get the document
      XWikiContext deprecatedContext = getXWikiContext();
      XWikiDocument document = deprecatedContext.getWiki().getDocument(docName, deprecatedContext);
      if (document.isNew()) {
        // if the document doesn't exist already skip it
        return;
      }
      // and the document object on it
      BaseObject annotationObject =
          document.getXObject(
              configuration.getAnnotationClassReference(),
              Integer.valueOf(annotationID.toString()));

      // if object exists and its target matches the requested target, delete it
      if (annotationObject != null
          && localTargetId.equals(annotationObject.getStringValue(Annotation.TARGET_FIELD))) {
        document.removeObject(annotationObject);
        document.setAuthor(deprecatedContext.getUser());
        deprecatedContext
            .getWiki()
            .saveDocument(document, "Deleted annotation " + annotationID, deprecatedContext);
        // notify listeners that an annotation was deleted
        ObservationManager observationManager = componentManager.lookup(ObservationManager.class);
        observationManager.notify(
            new AnnotationDeletedEvent(docName, annotationID), document, deprecatedContext);
      }
    } catch (NumberFormatException e) {
      throw new IOServiceException("An exception has occurred while parsing the annotation id", e);
    } catch (XWikiException e) {
      throw new IOServiceException("An exception has occurred while removing the annotation", e);
    } catch (ComponentLookupException exc) {
      this.logger.warn(
          "Could not get the observation manager to send notifications about the annotation delete");
    }
  }
Ejemplo n.º 3
0
 /**
  * {@inheritDoc} <br>
  * This implementation retrieves all the objects of the annotation class in the document where
  * target points to, and which have the target set to {@code target}.
  *
  * @see org.xwiki.annotation.io.IOService#getAnnotations(String)
  */
 @Override
 public Collection<Annotation> getAnnotations(String target) throws IOServiceException {
   try {
     // parse the target and extract the local reference serialized from it, by the same rules
     EntityReference targetReference = referenceResolver.resolve(target, EntityType.DOCUMENT);
     // build the target identifier for the annotation
     String localTargetId = target;
     // and the name of the document where it should be stored
     String docName = target;
     if (targetReference.getType() == EntityType.DOCUMENT
         || targetReference.getType() == EntityType.OBJECT_PROPERTY) {
       localTargetId = localSerializer.serialize(targetReference);
       docName = serializer.serialize(targetReference.extractReference(EntityType.DOCUMENT));
     }
     // get the document
     XWikiContext deprecatedContext = getXWikiContext();
     XWikiDocument document = deprecatedContext.getWiki().getDocument(docName, deprecatedContext);
     // and the annotation class objects in it
     List<BaseObject> objects = document.getXObjects(configuration.getAnnotationClassReference());
     // and build a list of Annotation objects
     List<Annotation> result = new ArrayList<Annotation>();
     if (objects == null) {
       return Collections.<Annotation>emptySet();
     }
     for (BaseObject object : objects) {
       // if it's not on the required target, ignore it
       if (object == null
           || !localTargetId.equals(object.getStringValue(Annotation.TARGET_FIELD))) {
         continue;
       }
       // use the object number as annotation id
       result.add(loadAnnotationFromObject(object, deprecatedContext));
     }
     return result;
   } catch (XWikiException e) {
     throw new IOServiceException("An exception has occurred while loading the annotations", e);
   }
 }
Ejemplo n.º 4
0
 @Override
 public Annotation getAnnotation(String target, String annotationID) throws IOServiceException {
   try {
     if (annotationID == null || target == null) {
       return null;
     }
     // parse the target and extract the local reference serialized from it, by the same rules
     EntityReference targetReference = referenceResolver.resolve(target, EntityType.DOCUMENT);
     // build the target identifier for the annotation
     String localTargetId = target;
     // and the name of the document where it should be stored
     String docName = target;
     if (targetReference.getType() == EntityType.DOCUMENT
         || targetReference.getType() == EntityType.OBJECT_PROPERTY) {
       localTargetId = localSerializer.serialize(targetReference);
       docName = serializer.serialize(targetReference.extractReference(EntityType.DOCUMENT));
     }
     // get the document
     XWikiContext deprecatedContext = getXWikiContext();
     XWikiDocument document = deprecatedContext.getWiki().getDocument(docName, deprecatedContext);
     // and the annotation class objects in it
     // parse the annotation id as object index
     BaseObject object =
         document.getXObject(
             configuration.getAnnotationClassReference(),
             Integer.valueOf(annotationID.toString()));
     if (object == null || !localTargetId.equals(object.getStringValue(Annotation.TARGET_FIELD))) {
       return null;
     }
     // use the object number as annotation id
     return loadAnnotationFromObject(object, deprecatedContext);
   } catch (NumberFormatException e) {
     throw new IOServiceException("Could not parse annotation id " + annotationID, e);
   } catch (XWikiException e) {
     throw new IOServiceException(
         "An exception has occurred while loading the annotation with id " + annotationID, e);
   }
 }
Ejemplo n.º 5
0
  /**
   * {@inheritDoc} <br>
   * This implementation saves the added annotation in the document where the target of the
   * annotation is.
   *
   * @see org.xwiki.annotation.io.IOService#addAnnotation(String, org.xwiki.annotation.Annotation)
   */
  @Override
  public void addAnnotation(String target, Annotation annotation) throws IOServiceException {
    try {
      // extract the document name from the passed target
      // by default the fullname is the passed target
      String documentFullName = target;
      EntityReference targetReference = referenceResolver.resolve(target, EntityType.DOCUMENT);
      // try to get a document reference from the passed target reference
      EntityReference docRef = targetReference.extractReference(EntityType.DOCUMENT);
      if (docRef != null) {
        documentFullName = serializer.serialize(docRef);
      }
      // now get the document with that name
      XWikiContext deprecatedContext = getXWikiContext();
      XWikiDocument document =
          deprecatedContext.getWiki().getDocument(documentFullName, deprecatedContext);
      // create a new object in this document to hold the annotation
      int id =
          document.createXObject(configuration.getAnnotationClassReference(), deprecatedContext);
      BaseObject object = document.getXObject(configuration.getAnnotationClassReference(), id);
      updateObject(object, annotation, deprecatedContext);
      // and set additional data: author to annotation author, date to now and the annotation target
      object.set(Annotation.DATE_FIELD, new Date(), deprecatedContext);
      // TODO: maybe we shouldn't trust what we receive from the caller but set the author from the
      // context.
      // Or the other way around, set the author of the document from the annotations author.
      object.set(Annotation.AUTHOR_FIELD, annotation.getAuthor(), deprecatedContext);
      // store the target of this annotation, serialized with a local serializer, to be exportable
      // and importable
      // in a different wiki
      // TODO: figure out if this is the best idea in terms of target serialization
      // 1/ the good part is that it is a fixed value that can be searched with a query in all
      // objects in the wiki
      // 2/ the bad part is that copying a document to another space will not also update its
      // annotation targets
      // 3/ if annotations are stored in the same document they annotate, the targets are only
      // required for object
      // fields
      // ftm don't store the type of the reference since we only need to recognize the field, not to
      // also read it.
      if (targetReference.getType() == EntityType.OBJECT_PROPERTY
          || targetReference.getType() == EntityType.DOCUMENT) {
        object.set(
            Annotation.TARGET_FIELD, localSerializer.serialize(targetReference), deprecatedContext);
      } else {
        object.set(Annotation.TARGET_FIELD, target, deprecatedContext);
      }
      // set the author of the document to the current user
      document.setAuthor(deprecatedContext.getUser());
      deprecatedContext
          .getWiki()
          .saveDocument(
              document,
              "Added annotation on \"" + annotation.getSelection() + "\"",
              deprecatedContext);

      // notify listeners that an annotation was added
      ObservationManager observationManager = componentManager.lookup(ObservationManager.class);
      observationManager.notify(
          new AnnotationAddedEvent(documentFullName, object.getNumber() + ""),
          document,
          deprecatedContext);

    } catch (XWikiException e) {
      throw new IOServiceException(
          "An exception message has occurred while saving the annotation", e);
    } catch (ComponentLookupException exc) {
      this.logger.warn(
          "Could not get the observation manager to send notifications about the annotation add");
    }
  }