Examples with Serializer org.apache.clerezza.rdf.core.serializedform.Serializer used on opensource projects

Example 1 with Serializer

use of org.apache.clerezza.rdf.core.serializedform.Serializer in project stanbol by apache.

the class DBPSpotlightDisambiguateEnhancementEngine method computeEnhancements.

/**
	 * Calculate the enhancements by doing a POST request to the DBpedia
	 * Spotlight endpoint and processing the results
	 * 
	 * @param ci
	 *            the {@link ContentItem}
	 */
public void computeEnhancements(ContentItem ci) throws EngineException {
    Language language = SpotlightEngineUtils.getContentLanguage(ci);
    String text = SpotlightEngineUtils.getPlainContent(ci);
    // Retrieve the existing text annotations (requires read lock)
    Graph graph = ci.getMetadata();
    String xmlTextAnnotations = this.getSpottedXml(text, graph);
    Collection<Annotation> dbpslGraph = doPostRequest(text, xmlTextAnnotations, ci.getUri());
    if (dbpslGraph != null) {
        // Acquire a write lock on the ContentItem when adding the
        // enhancements
        ci.getLock().writeLock().lock();
        try {
            createEnhancements(dbpslGraph, ci, language);
            if (log.isDebugEnabled()) {
                Serializer serializer = Serializer.getInstance();
                ByteArrayOutputStream debugStream = new ByteArrayOutputStream();
                serializer.serialize(debugStream, ci.getMetadata(), "application/rdf+xml");
                try {
                    log.debug("DBpedia Enhancements:\n{}", debugStream.toString("UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            ci.getLock().writeLock().unlock();
        }
    }
}

Example 2 with Serializer

use of org.apache.clerezza.rdf.core.serializedform.Serializer in project stanbol by apache.

the class DBPSpotlightSpotEnhancementEngine method computeEnhancements.

/**
	 * Calculate the enhancements by doing a POST request to the DBpedia
	 * Spotlight endpoint and processing the results
	 * 
	 * @param ci
	 *            the {@link ContentItem}
	 */
public void computeEnhancements(ContentItem ci) throws EngineException {
    Language language = SpotlightEngineUtils.getContentLanguage(ci);
    String text = SpotlightEngineUtils.getPlainContent(ci);
    Collection<SurfaceForm> dbpslGraph = doPostRequest(text, ci.getUri());
    if (dbpslGraph != null) {
        // Acquire a write lock on the ContentItem when adding the
        // enhancements
        ci.getLock().writeLock().lock();
        try {
            createEnhancements(dbpslGraph, ci, text, language);
            if (log.isDebugEnabled()) {
                Serializer serializer = Serializer.getInstance();
                ByteArrayOutputStream debugStream = new ByteArrayOutputStream();
                serializer.serialize(debugStream, ci.getMetadata(), "application/rdf+xml");
                try {
                    log.debug("DBpedia Spotlight Spot Enhancements:\n{}", debugStream.toString("UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            ci.getLock().writeLock().unlock();
        }
    }
}

Example 3 with Serializer

use of org.apache.clerezza.rdf.core.serializedform.Serializer in project stanbol by apache.

the class OpenCalaisEngine method computeEnhancements.

public void computeEnhancements(ContentItem ci) throws EngineException {
    Entry<IRI, Blob> contentPart = ContentItemHelper.getBlob(ci, SUPPORTED_MIMETYPES);
    if (contentPart == null) {
        throw new IllegalStateException("No ContentPart with an supported Mimetype '" + SUPPORTED_MIMETYPES + "' found for ContentItem " + ci.getUri() + ": This is also checked in the canEnhance method! -> This " + "indicated an Bug in the implementation of the " + "EnhancementJobManager!");
    }
    String text;
    try {
        text = ContentItemHelper.getText(contentPart.getValue());
    } catch (IOException e) {
        throw new InvalidContentException(this, ci, e);
    }
    Graph calaisModel = getCalaisAnalysis(text, contentPart.getValue().getMimeType());
    if (calaisModel != null) {
        //Acquire a write lock on the ContentItem when adding the enhancements
        ci.getLock().writeLock().lock();
        try {
            createEnhancements(queryModel(calaisModel), ci);
            if (log.isDebugEnabled()) {
                Serializer serializer = Serializer.getInstance();
                ByteArrayOutputStream debugStream = new ByteArrayOutputStream();
                serializer.serialize(debugStream, ci.getMetadata(), "application/rdf+xml");
                try {
                    log.debug("Calais Enhancements:\n{}", debugStream.toString("UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            ci.getLock().writeLock().unlock();
        }
    }
}

Example 4 with Serializer

use of org.apache.clerezza.rdf.core.serializedform.Serializer in project stanbol by apache.

the class DBPSpotlightAnnotateEnhancementEngine method computeEnhancements.

/**
	 * Calculate the enhancements by doing a POST request to the DBpedia
	 * Spotlight endpoint and processing the results
	 * 
	 * @param ci
	 *            the {@link ContentItem}
	 */
public void computeEnhancements(ContentItem ci) throws EngineException {
    Language language = SpotlightEngineUtils.getContentLanguage(ci);
    String text = SpotlightEngineUtils.getPlainContent(ci);
    Collection<Annotation> dbpslGraph = doPostRequest(text, ci.getUri());
    Map<SurfaceForm, IRI> surfaceForm2TextAnnotation = new HashMap<SurfaceForm, IRI>();
    if (dbpslGraph != null) {
        // Acquire a write lock on the ContentItem when adding the
        // enhancements
        ci.getLock().writeLock().lock();
        try {
            createEnhancements(dbpslGraph, ci, text, language, surfaceForm2TextAnnotation);
            if (log.isDebugEnabled()) {
                Serializer serializer = Serializer.getInstance();
                ByteArrayOutputStream debugStream = new ByteArrayOutputStream();
                serializer.serialize(debugStream, ci.getMetadata(), "application/rdf+xml");
                try {
                    log.debug("DBPedia Spotlight Enhancements:\n{}", debugStream.toString("UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            ci.getLock().writeLock().unlock();
        }
    }
}

Example 5 with Serializer

use of org.apache.clerezza.rdf.core.serializedform.Serializer in project stanbol by apache.

the class DBPSpotlightCandidatesEnhancementEngine method computeEnhancements.

/**
	 * Calculate the enhancements by doing a POST request to the DBpedia
	 * Spotlight endpoint and processing the results
	 * 
	 * @param ci
	 *            the {@link ContentItem}
	 */
public void computeEnhancements(ContentItem ci) throws EngineException {
    Language language = SpotlightEngineUtils.getContentLanguage(ci);
    String text = SpotlightEngineUtils.getPlainContent(ci);
    Collection<SurfaceForm> dbpslGraph = doPostRequest(text, ci.getUri());
    if (dbpslGraph != null) {
        // Acquire a write lock on the ContentItem when adding the
        // enhancements
        ci.getLock().writeLock().lock();
        try {
            createEnhancements(dbpslGraph, ci, text, language);
            if (log.isDebugEnabled()) {
                Serializer serializer = Serializer.getInstance();
                ByteArrayOutputStream debugStream = new ByteArrayOutputStream();
                serializer.serialize(debugStream, ci.getMetadata(), "application/rdf+xml");
                try {
                    log.debug("DBpedia Spotlight Spot Enhancements:\n{}", debugStream.toString("UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            ci.getLock().writeLock().unlock();
        }
    }
}