/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.clerezza.jaxrs.rdf.providers;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Consumes;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;
import org.apache.clerezza.rdf.core.TripleCollection;
import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
import org.apache.clerezza.rdf.core.serializedform.Parser;
import org.apache.clerezza.rdf.core.serializedform.SupportedFormat;
/**
* @scr.component
* @scr.service interface="java.lang.Object"
* @scr.property name="javax.ws.rs" type="Boolean" value="true"
*
* @author reto
*/
@Provider
@Consumes({SupportedFormat.N3, SupportedFormat.N_TRIPLE,
SupportedFormat.RDF_XML, SupportedFormat.TURTLE,
SupportedFormat.X_TURTLE, SupportedFormat.RDF_JSON})
public class TripleCollectionReader implements MessageBodyReader<TripleCollection> {
/**
* @scr.reference
*/
private Parser parser;
@Override
public boolean isReadable(Class<?> type, Type genericType,
Annotation[] annotations, MediaType mediaType) {
return type.isAssignableFrom(TripleCollection.class);
}
@Override
public TripleCollection readFrom(Class<TripleCollection> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
TripleCollection result = new SimpleMGraph();
return parser.parse(entityStream, mediaType.toString());
}
}