001/* 
002 * Copyright 2018 Leibniz-Institut für Analytische Wissenschaften – ISAS – e.V..
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 */
016package de.isas.mztab2.io.serialization;
017
018import com.fasterxml.jackson.core.JsonGenerator;
019import com.fasterxml.jackson.databind.SerializerProvider;
020import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
021import com.fasterxml.jackson.databind.ser.std.StdSerializer;
022import static de.isas.mztab2.io.serialization.Serializers.addLineWithNullProperty;
023import static de.isas.mztab2.io.serialization.Serializers.addLineWithProperty;
024import de.isas.mztab2.model.Database;
025import de.isas.mztab2.model.Parameter;
026import java.io.IOException;
027import java.util.Arrays;
028import java.util.Optional;
029import lombok.extern.slf4j.Slf4j;
030import uk.ac.ebi.pride.jmztab2.model.Section;
031
032/**
033 * <p>DatabaseSerializer implementation for {@link de.isas.mztab2.model.Database}.</p>
034 *
035 * @author nilshoffmann
036 *
037 */
038@Slf4j
039public class DatabaseSerializer extends StdSerializer<Database> {
040
041    /**
042     * <p>
043     * Constructor for DatabaseSerializer.</p>
044     */
045    public DatabaseSerializer() {
046        this(null);
047    }
048
049    /**
050     * <p>
051     * Constructor for DatabaseSerializer.</p>
052     *
053     * @param t a {@link java.lang.Class} object.
054     */
055    public DatabaseSerializer(Class<Database> t) {
056        super(t);
057    }
058
059    @Override
060    public void serializeWithType(Database value, JsonGenerator gen,
061        SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
062        typeSer.writeTypePrefixForObject(value, gen);
063        serialize(value, gen, serializers);
064        typeSer.writeTypeSuffixForObject(value, gen);
065    }
066
067    /**
068     * {@inheritDoc}
069     */
070    @Override
071    public void serialize(Database database, JsonGenerator jg,
072        SerializerProvider sp) throws IOException {
073        if (database != null) {
074            Serializers.checkIndexedElement(database);
075            Serializers.addLineWithPropertyParameters(jg, Section.Metadata.
076                getPrefix(),
077                null, database, Arrays.asList(database.getParam()));
078            Optional<Parameter> dbParam = Optional.ofNullable(database.getParam());
079            if (dbParam.isPresent() && dbParam.get().
080                getName().
081                equals("no database")) {
082                addLineWithNullProperty(jg, Section.Metadata.getPrefix(),
083                    Database.Properties.prefix.getPropertyName(), database);
084                addLineWithProperty(jg, Section.Metadata.getPrefix(),
085                    Database.Properties.uri.getPropertyName(), database,
086                    "null");
087            } else {
088                addLineWithProperty(jg, Section.Metadata.getPrefix(),
089                    Database.Properties.prefix.getPropertyName(), database,
090                    database.
091                        getPrefix());
092                addLineWithProperty(jg, Section.Metadata.getPrefix(),
093                    Database.Properties.uri.getPropertyName(), database,
094                    database.getUri());
095            }
096            addLineWithProperty(jg, Section.Metadata.getPrefix(),
097                Database.Properties.version.getPropertyName(), database,
098                Optional.ofNullable(database.getVersion()).orElse("Unknown"));
099
100        } else {
101           log.debug(Database.class.getSimpleName() + " is null!");
102        }
103    }
104
105}