001/*
002 * (C) Copyright 2010 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 *     Anahide Tchertchian
018 */
019package org.nuxeo.ecm.platform.forms.layout.export;
020
021import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON;
022import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE;
023
024import java.io.IOException;
025
026import org.apache.commons.collections.CollectionUtils;
027import org.nuxeo.ecm.core.io.marshallers.json.AbstractJsonWriter;
028import org.nuxeo.ecm.core.io.registry.reflect.Setup;
029import org.nuxeo.ecm.platform.forms.layout.api.WidgetTypeDefinition;
030import org.nuxeo.ecm.platform.forms.layout.api.impl.WidgetTypeDefinitionComparator;
031
032import com.fasterxml.jackson.core.JsonGenerator;
033
034/**
035 * @author Anahide Tchertchian
036 * @since 5.4
037 * @since 10.1 converted to a marshaller
038 */
039@Setup(mode = SINGLETON, priority = REFERENCE)
040public class WidgetTypeDefinitionsJsonWriter extends AbstractJsonWriter<WidgetTypeDefinitions> {
041
042    @Override
043    public void write(WidgetTypeDefinitions entities, JsonGenerator jg) throws IOException {
044        jg.writeStartObject();
045        if (CollectionUtils.isNotEmpty(entities)) {
046            // sort so that order is deterministic
047            entities.sort(new WidgetTypeDefinitionComparator(false));
048            for (WidgetTypeDefinition entity : entities) {
049                writeEntityField(entity.getName(), entity, jg);
050            }
051        }
052        jg.writeEndObject();
053    }
054
055}