001/*
002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     tdelprat
018 */
019
020package org.nuxeo.ecm.restapi.jaxrs.io.types;
021
022import java.io.IOException;
023import java.io.OutputStream;
024import java.lang.annotation.Annotation;
025import java.lang.reflect.Type;
026
027import javax.ws.rs.Produces;
028import javax.ws.rs.core.MediaType;
029import javax.ws.rs.core.MultivaluedMap;
030import javax.ws.rs.ext.MessageBodyWriter;
031import javax.ws.rs.ext.Provider;
032
033import org.nuxeo.ecm.core.schema.types.CompositeType;
034
035import com.fasterxml.jackson.core.JsonGenerator;
036
037@Provider
038@Produces(MediaType.APPLICATION_JSON)
039public class FacetsWriter extends AbstractTypeDefWriter implements MessageBodyWriter<Facets> {
040
041    @Override
042    public void writeTo(Facets facets, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
043            MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
044        JsonGenerator jg = getGenerator(entityStream);
045
046        jg.writeStartArray();
047        for (CompositeType facet : facets.facets) {
048            jg.writeStartObject();
049            writeFacet(jg, facet, true);
050            jg.writeEndObject();
051        }
052        jg.writeEndArray();
053
054        // flush
055        jg.flush();
056        jg.close();
057        entityStream.flush();
058    }
059
060    @Override
061    public long getSize(Facets arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) {
062        return -1;
063    }
064
065    @Override
066    public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) {
067        return Facets.class == arg0;
068    }
069
070}