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.codehaus.jackson.JsonGenerator;
034import org.nuxeo.ecm.core.schema.types.CompositeType;
035
036@Provider
037@Produces(MediaType.APPLICATION_JSON)
038public class FacetsWriter extends AbstractTypeDefWriter implements MessageBodyWriter<Facets> {
039
040    @Override
041    public void writeTo(Facets facets, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
042            MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
043        JsonGenerator jg = getGenerator(entityStream);
044
045        jg.writeStartArray();
046        for (CompositeType facet : facets.facets) {
047            jg.writeStartObject();
048            writeFacet(jg, facet, true);
049            jg.writeEndObject();
050        }
051        jg.writeEndArray();
052
053        // flush
054        jg.flush();
055        jg.close();
056        entityStream.flush();
057    }
058
059    @Override
060    public long getSize(Facets arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) {
061        return -1;
062    }
063
064    @Override
065    public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) {
066        return Facets.class == arg0;
067    }
068
069}