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 *     Nicolas Chapurlat <nchapurlat@nuxeo.com>
018 */
019
020package org.nuxeo.ecm.core.io.marshallers.json.document;
021
022import static org.nuxeo.ecm.automation.core.util.PaginableDocumentModelList.CODEC_PARAMETER_NAME;
023import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON;
024import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE;
025
026import java.io.Closeable;
027import java.io.IOException;
028import java.util.List;
029
030import org.nuxeo.ecm.automation.core.util.PaginableDocumentModelList;
031import org.nuxeo.ecm.core.api.DocumentModel;
032import org.nuxeo.ecm.core.io.marshallers.json.DefaultListJsonWriter;
033import org.nuxeo.ecm.core.io.registry.reflect.Setup;
034
035import com.fasterxml.jackson.core.JsonGenerator;
036
037/**
038 * see {@link DefaultListJsonWriter}
039 *
040 * @since 7.2
041 */
042@Setup(mode = SINGLETON, priority = REFERENCE)
043public class DocumentModelListJsonWriter extends DefaultListJsonWriter<DocumentModel> {
044
045    public static final String ENTITY_DOCUMENT_LIST = "documents";
046
047    public DocumentModelListJsonWriter() {
048        super(ENTITY_DOCUMENT_LIST, DocumentModel.class);
049    }
050
051    @Override
052    public void write(List<DocumentModel> docs, JsonGenerator jg) throws IOException {
053        if (docs instanceof PaginableDocumentModelList) {
054            PaginableDocumentModelList paginable = (PaginableDocumentModelList) docs;
055            String codecName = paginable.getDocumentLinkBuilder();
056            try (Closeable resource = ctx.wrap().with(CODEC_PARAMETER_NAME, codecName).open()) {
057                super.write(docs, jg);
058            }
059        } else {
060            super.write(docs, jg);
061        }
062    }
063
064}