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 */ 019package org.nuxeo.ecm.restapi.jaxrs.io.types; 020 021import java.io.IOException; 022import java.io.OutputStream; 023import java.lang.annotation.Annotation; 024import java.lang.reflect.Type; 025 026import javax.ws.rs.Produces; 027import javax.ws.rs.core.MediaType; 028import javax.ws.rs.core.MultivaluedMap; 029import javax.ws.rs.ext.MessageBodyWriter; 030import javax.ws.rs.ext.Provider; 031 032import org.codehaus.jackson.JsonGenerator; 033import org.nuxeo.ecm.core.schema.DocumentType; 034import org.nuxeo.ecm.core.schema.types.CompositeType; 035 036@Provider 037@Produces(MediaType.APPLICATION_JSON) 038public class FacetWriter extends AbstractTypeDefWriter implements MessageBodyWriter<CompositeType> { 039 040 @Override 041 public void writeTo(CompositeType facet, Class<?> type, Type genericType, Annotation[] annotations, 042 MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) 043 throws IOException { 044 JsonGenerator jg = getGenerator(entityStream); 045 jg.writeStartObject(); 046 writeFacet(jg, facet, true); 047 jg.writeEndObject(); 048 // flush 049 jg.flush(); 050 jg.close(); 051 entityStream.flush(); 052 } 053 054 @Override 055 public long getSize(CompositeType arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 056 return -1; 057 } 058 059 @Override 060 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 061 return CompositeType.class.isAssignableFrom(arg0) && !DocumentType.class.isAssignableFrom(arg0); 062 } 063 064}