001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.json;
016    
017    import com.liferay.portal.kernel.json.JSONSerializer;
018    import com.liferay.portal.kernel.json.JSONTransformer;
019    
020    import jodd.json.JoddJson;
021    import jodd.json.JsonContext;
022    import jodd.json.JsonSerializer;
023    import jodd.json.TypeJsonSerializer;
024    
025    /**
026     * @author Igor Spasic
027     */
028    public class JSONSerializerImpl implements JSONSerializer {
029    
030            public JSONSerializerImpl() {
031                    _jsonSerializer = new JsonSerializer();
032            }
033    
034            @Override
035            public JSONSerializerImpl exclude(String... fields) {
036                    _jsonSerializer.exclude(fields);
037    
038                    return this;
039            }
040    
041            @Override
042            public JSONSerializerImpl include(String... fields) {
043                    _jsonSerializer.include(fields);
044    
045                    return this;
046            }
047    
048            @Override
049            public String serialize(Object target) {
050                    return _jsonSerializer.serialize(target);
051            }
052    
053            @Override
054            public String serializeDeep(Object target) {
055                    return _jsonSerializer.deep(true).serialize(target);
056            }
057    
058            @Override
059            public JSONSerializerImpl transform(
060                    JSONTransformer jsonTransformer, Class<?> type) {
061    
062                    TypeJsonSerializer<?> typeJsonSerializer = null;
063    
064                    if (jsonTransformer instanceof TypeJsonSerializer) {
065                            typeJsonSerializer = (TypeJsonSerializer<?>)jsonTransformer;
066                    }
067                    else {
068                            typeJsonSerializer = new JoddJsonTransformer(jsonTransformer);
069                    }
070    
071                    _jsonSerializer.use(type, typeJsonSerializer);
072    
073                    return this;
074            }
075    
076            @Override
077            public JSONSerializerImpl transform(
078                    JSONTransformer jsonTransformer, String field) {
079    
080                    TypeJsonSerializer<?> typeJsonSerializer = null;
081    
082                    if (jsonTransformer instanceof TypeJsonSerializer) {
083                            typeJsonSerializer = (TypeJsonSerializer<?>)jsonTransformer;
084                    }
085                    else {
086                            typeJsonSerializer = new JoddJsonTransformer(jsonTransformer);
087                    }
088    
089                    _jsonSerializer.use(field, typeJsonSerializer);
090    
091                    return this;
092            }
093    
094            static {
095                    JoddJson.defaultSerializers.register(
096                            Long.TYPE, new LongToStringTypeJSONSerializer());
097                    JoddJson.defaultSerializers.register(
098                            Long.class, new LongToStringTypeJSONSerializer());
099            }
100    
101            private final JsonSerializer _jsonSerializer;
102    
103            private static class LongToStringTypeJSONSerializer
104                    implements TypeJsonSerializer<Long> {
105    
106                    @Override
107                    public void serialize(JsonContext jsonContext, Long value) {
108                            jsonContext.writeString(Long.toString(value));
109                    }
110    
111            }
112    
113    }