Java IRI类代码示例

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@Override
public OntologyInfo getOntologyInfo(String id) throws NoSuchOntologyException {
	String ontologyURI = ONTOLOGY + id;
	
	Graph g = tcManager.getMGraph(new IRI("ontonethub-graph"));
	Iterator<Triple> tripleIt = g.filter(new IRI(ontologyURI), 
			new IRI(HAS_BUNDLE), 
			null);
	
	String bundleId = null;
	if(tripleIt.hasNext()){
		Literal bundleIdLiteral = (Literal) tripleIt.next().getObject();
		bundleId = bundleIdLiteral.getLexicalForm();
	}
	
	OntologyInfo ontologyInfo = null;
	
	if(bundleId != null) ontologyInfo = ontologyInfo(id, bundleId, g);
	
	if(ontologyInfo == null) throw new NoSuchOntologyException(id);
	else return ontologyInfo;
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
public Query(IRI contentStoreUri, 
        IRI contentStoreViewUri, 
        Collection<IRI> subjects, 
        Collection<IRI> types, 
        Collection<String> searchs, 
        Integer items, Integer offset, Integer maxFacets, 
        boolean withContent) {
    this.contentStoreUri = contentStoreUri;
    this.contentStoreViewUri = contentStoreViewUri;
    this.subjects = subjects;
    this.types = types;
    this.searchs = searchs;
    this.items = items;
    this.offset = offset;
    this.maxFacets = maxFacets;
    this.withContent = withContent;
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
/**
 * This method return an RdfViewable, this is an RDF serviceUri with
 * associated presentational information.
 */
@GET
public RdfViewable serviceEntryPriviledged(@Context final UriInfo uriInfo,
        @QueryParam("subject") final List<IRI> subjects,
        @QueryParam("type") final List<IRI> types,
        @QueryParam("search") final List<String> searchs,
        @QueryParam("items") final Integer items,
        @QueryParam("offset") final @DefaultValue("0") Integer offset,
        @QueryParam("maxFacets") final @DefaultValue("10") Integer maxFacets) throws Exception {
    //here we can still access the user name
    final String userName = UserUtil.getCurrentUserName();
    try {
        return AccessController.doPrivileged(new PrivilegedExceptionAction<RdfViewable>() {
            public RdfViewable run() throws Exception {
                return serviceEntry(uriInfo, subjects, types, searchs, items, offset, maxFacets);
            }
        });
    } catch (PrivilegedActionException e) {
        throw e.getException();
    }

}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@Override
public OntologyInfo[] getOntologiesInfo() {
	List<OntologyInfo> ontologiesInfo =  new ArrayList<OntologyInfo>();
	
	Graph g = tcManager.getMGraph(new IRI("ontonethub-graph"));
	Iterator<Triple> tripleIt = g.filter(null, 
			new IRI(HAS_BUNDLE), 
			null);
	
	String bundleId = null;
	while(tripleIt.hasNext()){
		Triple triple = tripleIt.next();
		BlankNodeOrIRI subject = triple.getSubject();
		String ontologyId = subject.toString().replace("<", "").replace(">", "");
		ontologyId = ontologyId.substring(ontologyId.lastIndexOf("/")+1);
		
		Literal bundleIdLiteral = (Literal) triple.getObject();
		bundleId = bundleIdLiteral.getLexicalForm();
		if(bundleId != null){
			OntologyInfo ontologyInfo;
			try {
				ontologyInfo = ontologyInfo(ontologyId, bundleId, g);
			} catch (NoSuchOntologyException e) {
				ontologyInfo = null;
			}
			if(ontologiesInfo != null) ontologiesInfo.add(ontologyInfo);
		}
	}
	
	OntologyInfo[] ontologiesInfoArray = new OntologyInfo[ontologiesInfo.size()];
	
	return ontologiesInfo.toArray(ontologiesInfoArray);
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@Deprecated
GraphNode getContentStoreView(final IRI contentStoreUri,
        final IRI contentStoreViewUri,
        final Collection<IRI> subjects,
        final Collection<IRI> types,
        final Collection<String> searchs,
        Integer items,
        Integer offset,
        Integer maxFacets,
        boolean withContent);
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
/**
 * Add the description of a serviceUri to the specified Graph using SiteManager.
 * The description includes the metadata provided by the SiteManager.
 * 
 */
private void addResourceDescription(IRI iri, Graph mGraph) {
    final Entity entity = siteManager.getEntity(iri.getUnicodeString());
    if (entity != null) {
        final RdfValueFactory valueFactory = new RdfValueFactory(mGraph);
        final Representation representation = entity.getRepresentation();
        if (representation != null) {
            valueFactory.toRdfRepresentation(representation);
        }
    }
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
public ContentStoreImpl() {
    final List<IRI> subjectLabelPath = new ArrayList<IRI>();
    subjectLabelPath.add(DC.subject);
    subjectLabelPath.add(RDFS.label);
    subjectLabel = new PathVirtualProperty(subjectLabelPath, false);
    List<VirtualProperty> joinedProperties = new ArrayList<VirtualProperty>();
    joinedProperties.add(contentProperty);
    joinedProperties.add(subjectLabel);
    labelsAndContent = new JoinVirtualProperty(joinedProperties,false);
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
public RdfViewable serviceEntry(@Context final UriInfo uriInfo,
        @QueryParam("subject") final List<IRI> subjects,
        @QueryParam("type") final Collection<IRI> types,
        @QueryParam("search") final List<String> searchs,
        @QueryParam("items") Integer items,
        @QueryParam("offset") @DefaultValue("0") Integer offset,
        @QueryParam("maxFacets") @DefaultValue("10") Integer maxFacets) throws Exception {
    //this maks sure we are nt invoked with a trailing slash which would affect
    //relative resolution of links (e.g. css)
    TrailingSlash.enforcePresent(uriInfo);
    String viewUriString = uriInfo.getRequestUri().toString();//getAbsolutePath().toString();
    if (items == null) {
        if (viewUriString.indexOf('?') > 0) {
            viewUriString += "&";
        } else {
            viewUriString += "?";
        }
        viewUriString += "items=10";
        items = 10;
    }
    final IRI contentStoreViewUri = new IRI(viewUriString);
    //This is the URI without query params
    final IRI contentStoreUri = new IRI(uriInfo.getAbsolutePath().toString());
    GraphNode node = getContentStoreView(contentStoreUri, contentStoreViewUri,
            subjects, types, searchs, items,
            offset, maxFacets, false);
    //What we return is the GraphNode we created with a template path
    return new RdfViewable("ContentStoreView", node, ContentStoreImpl.class);
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
/**
 * Returns a GraphNode of type ContentStoreView.
 *
 * @param contentStoreUri The IRI of the content store to use
 * @param contentStoreViewUri The IRI that shall be assigned to the returned
 * view
 * @param subjects The dc:subjects the matching content items shall have
 * @param searchs The search patterns the matching documents shall satisfy
 * @param items the number of items to return
 * @param offset the position at which to start items (for pagination)
 * @param maxFacets the maximum number of facets the result shall contain
 * @return a GraphNode describing the ContentStoreView
 */
@Override
public GraphNode getContentStoreView(final IRI contentStoreUri,
        final IRI contentStoreViewUri,
        final Collection<IRI> subjects,
        final Collection<String> searchs,
        Integer items,
        Integer offset,
        Integer maxFacets,
        boolean withContent) {
    return getContentStoreView(contentStoreUri, contentStoreViewUri,
            subjects, Collections.EMPTY_LIST, searchs,
            items, offset, maxFacets, withContent);
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@POST
public String postContent(@Context final UriInfo uriInfo, final byte[] data,
        @HeaderParam("Content-Type") MediaType contentType) {
    final String digest = DigestUtils.md5Hex(data);
    String resourcePath = uriInfo.getAbsolutePath().toString();
    if (!resourcePath.endsWith("/")) {
        resourcePath += '/';
    }
    resourcePath += CONTENT_PREFIX;
    final IRI contentUri = new IRI(resourcePath + digest);
    discobitsHandler.put(contentUri, contentType, data);
    return "Posted " + data.length + " bytes, with uri " + contentUri + ": " + contentType;
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@GET
@Path("entity")
public RdfViewable getEntity(@QueryParam("uri") IRI entityUri) {
    final Graph resultGraph = new SimpleGraph();
    addResourceDescription(entityUri, resultGraph);
    final GraphNode resultNode = new GraphNode(entityUri, resultGraph);
    resultNode.addPropertyValue(RDFS.comment, "here you go");
    //TODO use own rendering spec
    return new RdfViewable("ContentStoreView", resultNode, ContentStoreImpl.class);

}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@GET
@Path(CONTENT_PREFIX + "{hash: .*}")
public Response getContent(@Context final UriInfo uriInfo) {
    final String resourcePath = uriInfo.getAbsolutePath().toString();
    final IRI contentUri = new IRI(resourcePath);
    final byte[] data = discobitsHandler.getData(contentUri);
    final MediaType mediaType = discobitsHandler.getMediaType(contentUri);
    Response.ResponseBuilder responseBuilder =
            Response.ok(data, mediaType)
            .header("Link", "<" + resourcePath + ".meta>; rel=meta");
    return responseBuilder.build();
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
@GET
@Path(CONTENT_PREFIX + "{hash: .*}.meta")
public RdfViewable getMeta(@Context final UriInfo uriInfo) {
    final String resourcePath = uriInfo.getAbsolutePath().toString();
    final IRI contentUri = new IRI(resourcePath.substring(0, resourcePath.length() - 5));
    return getMeta(contentUri);
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
/**
 * Add the description of a serviceUri to the specified Graph using
 * SiteManager. The description includes the metadata provided by the
 * SiteManager.
 *
 */
private void addResourceDescription(IRI iri, Graph mGraph) {
    final Entity entity = siteManager.getEntity(iri.getUnicodeString());
    if (entity != null) {
        final RdfValueFactory valueFactory = new RdfValueFactory(mGraph);
        final Representation representation = entity.getRepresentation();
        if (representation != null) {
            valueFactory.toRdfRepresentation(representation);
        }
    }
    //Also add selected properties from content graph
    //Note that we have to be selective or we would add all the documents the
    //entity is a subject of.
    Graph cg = contentGraphProvider.getContentGraph();
    Lock l = cg.getLock().readLock();
    l.lock();
    try {
        Iterator<Triple> allOutgoing = cg.filter(iri, null, null);
        while (allOutgoing.hasNext()) {
            Triple t = allOutgoing.next();
            if (t.getPredicate().equals(RDF.type)) {
                mGraph.add(t);
                continue;
            }
            if (t.getObject() instanceof Literal) {
                mGraph.add(t);
            }
        }
    } finally {
        l.unlock();
    }
}
 

import org.apache.clerezza.commons.rdf.IRI; //导入依赖的package包/类
private void copyProperties(GraphNode fromNode, Graph toGraph, IRI... properties) {
    for (IRI property : properties) {
        Iterator<RDFTerm> objects = fromNode.getObjects(property);
        while (objects.hasNext()) {
            RDFTerm object = objects.next();
            toGraph.add(new TripleImpl((BlankNodeOrIRI) fromNode.getNode(),
                    property, object));
        }
    }
}