001/*
002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     tdelprat
016 */
017
018package org.nuxeo.ecm.restapi.jaxrs.io.types;
019
020import java.io.IOException;
021import java.io.OutputStream;
022import java.lang.annotation.Annotation;
023import java.lang.reflect.Type;
024
025import javax.ws.rs.Produces;
026import javax.ws.rs.core.MediaType;
027import javax.ws.rs.core.MultivaluedMap;
028import javax.ws.rs.ext.MessageBodyWriter;
029import javax.ws.rs.ext.Provider;
030
031import org.codehaus.jackson.JsonGenerator;
032import org.nuxeo.ecm.core.schema.types.Schema;
033
034@Provider
035@Produces(MediaType.APPLICATION_JSON)
036public class SchemasWriter extends AbstractTypeDefWriter implements MessageBodyWriter<Schemas> {
037
038    @Override
039    public void writeTo(Schemas schemas, Class<?> type, Type genericType, Annotation[] annotations,
040            MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream)
041            throws IOException {
042        JsonGenerator jg = getGenerator(entityStream);
043        jg.writeStartArray();
044        for (Schema schema : schemas.schemas) {
045            writeSchemaObject(jg, schema);
046        }
047        jg.writeEndArray();
048        // flush
049        jg.flush();
050        jg.close();
051        entityStream.flush();
052    }
053
054    @Override
055    public long getSize(Schemas 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 Schemas.class == arg0;
062    }
063
064}