001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.util.json;
016    
017    import com.liferay.portal.kernel.json.JSONObject;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    
021    import org.jabsorb.JSONSerializer;
022    import org.jabsorb.serializer.MarshallException;
023    import org.jabsorb.serializer.UnmarshallException;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public class JSONFactoryUtil {
029    
030            public static Object deserialize(JSONObject jsonObj) {
031                    return _instance._deserialize(jsonObj);
032            }
033    
034            public static Object deserialize(String json) {
035                    return _instance._deserialize(json);
036            }
037    
038            public static String serialize(Object obj) {
039                    return _instance._serialize(obj);
040            }
041    
042            private JSONFactoryUtil() {
043                    _serializer = new JSONSerializer();
044    
045                     try {
046                             _serializer.registerDefaultSerializers();
047                     }
048                     catch (Exception e) {
049                             _log.error(e, e);
050                     }
051            }
052    
053            private Object _deserialize(JSONObject jsonObj) {
054                    return _deserialize(jsonObj.toString());
055            }
056    
057            private Object _deserialize(String json) {
058                    try {
059                            return _serializer.fromJSON(json);
060                    }
061                    catch (UnmarshallException ue) {
062                             _log.error(ue, ue);
063    
064                            throw new IllegalStateException("Unable to deserialize oject", ue);
065                    }
066            }
067    
068            private String _serialize(Object obj) {
069                    try {
070                            return _serializer.toJSON(obj);
071                    }
072                    catch (MarshallException me) {
073                            _log.error(me, me);
074    
075                            throw new IllegalStateException("Unable to serialize oject", me);
076                    }
077            }
078    
079            private static Log _log = LogFactoryUtil.getLog(JSONFactoryUtil.class);
080    
081            private static JSONFactoryUtil _instance = new JSONFactoryUtil();
082    
083            private JSONSerializer _serializer;
084    
085    }