001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.http.commons.domain;
019
020import static javax.ws.rs.core.Variant.mediaTypes;
021import static org.apache.jena.riot.WebContent.contentTypeN3;
022import static org.apache.jena.riot.WebContent.contentTypeN3Alt2;
023import static org.apache.jena.riot.WebContent.contentTypeNTriples;
024import static org.apache.jena.riot.WebContent.contentTypeRDFXML;
025import static org.apache.jena.riot.WebContent.contentTypeTurtle;
026import static org.apache.jena.riot.WebContent.contentTypeTurtleAlt2;
027
028import java.util.List;
029
030import javax.ws.rs.core.MediaType;
031import javax.ws.rs.core.Variant;
032
033/**
034 * This is a convenience class carrying the various RDF content-type values as
035 * Strings and MediaTypes, after the fashion of the constants available on
036 * javax.ws.rs.core.MediaType
037 *
038 * @author ba2213
039 */
040public abstract class RDFMediaType extends MediaType {
041
042    public static final String N3 = contentTypeN3;
043
044    public static final MediaType N3_TYPE = typeFromString(N3);
045
046    public static final String N3_ALT2 = contentTypeN3Alt2;
047
048    public static final MediaType N3_ALT2_TYPE = typeFromString(N3_ALT2);
049
050    public static final String TURTLE = contentTypeTurtle;
051
052    public static final MediaType TURTLE_TYPE = typeFromString(TURTLE);
053
054    public static final String TURTLE_X = contentTypeTurtleAlt2;
055
056    public static final MediaType TURTLE_X_TYPE = typeFromString(TURTLE_X);
057
058    public static final String RDF_XML = contentTypeRDFXML;
059
060    public static final MediaType RDF_XML_TYPE = typeFromString(RDF_XML);
061
062    public static final String NTRIPLES = contentTypeNTriples;
063
064    public static final MediaType NTRIPLES_TYPE = typeFromString(NTRIPLES);
065
066    public final static String JSON_LD = "application/ld+json";
067
068    public final static MediaType JSON_LD_TYPE = typeFromString(JSON_LD);
069
070    public static final List<Variant> POSSIBLE_RDF_VARIANTS = mediaTypes(
071            RDF_XML_TYPE, TURTLE_TYPE, N3_TYPE, N3_ALT2_TYPE, NTRIPLES_TYPE, APPLICATION_XML_TYPE,
072            TEXT_PLAIN_TYPE, TURTLE_X_TYPE, JSON_LD_TYPE).add().build();
073
074    public static final String POSSIBLE_RDF_RESPONSE_VARIANTS_STRING[] = {
075        TURTLE, N3, N3_ALT2, RDF_XML, NTRIPLES, TEXT_PLAIN, APPLICATION_XML, TURTLE_X, JSON_LD };
076
077    private static MediaType typeFromString(final String type) {
078        return new MediaType(type.split("/")[0], type.split("/")[1]);
079    }
080
081}