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