001/*
002 * (C) Copyright 2015 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 *     Gabriel Barata
018 */
019
020package org.nuxeo.ecm.platform.rendition.io;
021
022import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON;
023import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE;
024
025import java.io.IOException;
026import java.util.List;
027
028import org.codehaus.jackson.JsonGenerator;
029import org.nuxeo.ecm.core.api.DocumentModel;
030import org.nuxeo.ecm.core.io.marshallers.json.enrichers.AbstractJsonEnricher;
031import org.nuxeo.ecm.core.io.registry.reflect.Setup;
032import org.nuxeo.ecm.platform.rendition.Rendition;
033import org.nuxeo.ecm.platform.rendition.service.RenditionDefinition;
034import org.nuxeo.ecm.platform.rendition.service.RenditionService;
035import org.nuxeo.runtime.api.Framework;
036
037/**
038 * @since 8.1
039 */
040@Setup(mode = SINGLETON, priority = REFERENCE)
041public class RenditionJsonEnricher extends AbstractJsonEnricher<DocumentModel> {
042
043    public static final String RENDITION_REST_URL_FORMAT = "%sapi/v1/id/%s/@rendition/%s";
044
045    public static final String NAME = "renditions";
046
047    public RenditionJsonEnricher() {
048        super(NAME);
049    }
050
051    @Override
052    public void write(JsonGenerator jg, DocumentModel document) throws IOException {
053        RenditionService renditionService = Framework.getService(RenditionService.class);
054        List<Rendition> renditions = renditionService.getAvailableRenditions(document, true);
055        jg.writeArrayFieldStart(NAME);
056        for (Rendition rendition : renditions) {
057            jg.writeStartObject();
058            jg.writeStringField("name", rendition.getName());
059            jg.writeStringField("kind", rendition.getKind());
060            jg.writeStringField("icon", ctx.getBaseUrl().replaceAll("/$", "") + rendition.getIcon());
061            jg.writeStringField("url", String.format(RENDITION_REST_URL_FORMAT, ctx.getBaseUrl(), document.getId(),
062                rendition.getName()));
063            jg.writeEndObject();
064        }
065        jg.writeEndArray();
066    }
067
068}