001    /**
002     * Copyright (c) 2000-2013 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.service.impl;
016    
017    import com.liferay.portal.kernel.concurrent.LockRegistry;
018    import com.liferay.portal.kernel.dao.db.DB;
019    import com.liferay.portal.kernel.dao.db.DBFactoryUtil;
020    import com.liferay.portal.kernel.exception.SystemException;
021    import com.liferay.portal.kernel.log.Log;
022    import com.liferay.portal.kernel.log.LogFactoryUtil;
023    import com.liferay.portal.kernel.util.StringBundler;
024    import com.liferay.portal.kernel.util.StringPool;
025    import com.liferay.portal.kernel.util.Validator;
026    import com.liferay.portal.model.PortalPreferences;
027    import com.liferay.portal.model.PortletConstants;
028    import com.liferay.portal.service.base.PortalPreferencesLocalServiceBaseImpl;
029    import com.liferay.portlet.PortalPreferencesImpl;
030    import com.liferay.portlet.PortalPreferencesWrapper;
031    import com.liferay.portlet.PortalPreferencesWrapperCacheUtil;
032    import com.liferay.portlet.PortletPreferencesFactoryUtil;
033    
034    import java.util.concurrent.locks.Lock;
035    
036    import javax.portlet.PortletPreferences;
037    
038    /**
039     * @author Alexander Chow
040     */
041    public class PortalPreferencesLocalServiceImpl
042            extends PortalPreferencesLocalServiceBaseImpl {
043    
044            @Override
045            public PortalPreferences addPortalPreferences(
046                            long ownerId, int ownerType, String defaultPreferences)
047                    throws SystemException {
048    
049                    PortalPreferencesWrapperCacheUtil.remove(ownerId, ownerType);
050    
051                    long portalPreferencesId = counterLocalService.increment();
052    
053                    PortalPreferences portalPreferences =
054                            portalPreferencesPersistence.create(portalPreferencesId);
055    
056                    portalPreferences.setOwnerId(ownerId);
057                    portalPreferences.setOwnerType(ownerType);
058    
059                    if (Validator.isNull(defaultPreferences)) {
060                            defaultPreferences = PortletConstants.DEFAULT_PREFERENCES;
061                    }
062    
063                    portalPreferences.setPreferences(defaultPreferences);
064    
065                    try {
066                            portalPreferencesPersistence.update(portalPreferences);
067                    }
068                    catch (SystemException se) {
069                            if (_log.isWarnEnabled()) {
070                                    _log.warn(
071                                            "Add failed, fetch {ownerId=" + ownerId + ", ownerType=" +
072                                                    ownerType + "}");
073                            }
074    
075                            portalPreferences = portalPreferencesPersistence.fetchByO_O(
076                                    ownerId, ownerType, false);
077    
078                            if (portalPreferences == null) {
079                                    throw se;
080                            }
081                    }
082    
083                    return portalPreferences;
084            }
085    
086            /**
087             * @deprecated As of 6.2.0, replaced by {@link #addPortalPreferences(long,
088             *             int, String)}
089             */
090            @Override
091            public PortalPreferences addPortalPreferences(
092                            long companyId, long ownerId, int ownerType,
093                            String defaultPreferences)
094                    throws SystemException {
095    
096                    return addPortalPreferences(ownerId, ownerType, defaultPreferences);
097            }
098    
099            @Override
100            public PortletPreferences getPreferences(long ownerId, int ownerType)
101                    throws SystemException {
102    
103                    return getPreferences(ownerId, ownerType, null);
104            }
105    
106            @Override
107            public PortletPreferences getPreferences(
108                            long ownerId, int ownerType, String defaultPreferences)
109                    throws SystemException {
110    
111                    DB db = DBFactoryUtil.getDB();
112    
113                    String dbType = db.getType();
114    
115                    if (!dbType.equals(DB.TYPE_HYPERSONIC)) {
116                            return doGetPreferences(ownerId, ownerType, defaultPreferences);
117                    }
118    
119                    StringBundler sb = new StringBundler(4);
120    
121                    sb.append(ownerId);
122                    sb.append(StringPool.POUND);
123                    sb.append(ownerType);
124                    sb.append(StringPool.POUND);
125    
126                    String groupName = getClass().getName();
127                    String key = sb.toString();
128    
129                    Lock lock = LockRegistry.allocateLock(groupName, key);
130    
131                    lock.lock();
132    
133                    try {
134                            return doGetPreferences(ownerId, ownerType, defaultPreferences);
135                    }
136                    finally {
137                            lock.unlock();
138    
139                            LockRegistry.freeLock(groupName, key);
140                    }
141            }
142    
143            /**
144             * @deprecated As of 6.2.0, replaced by {@link #getPreferences(long, int)}
145             */
146            @Override
147            public PortletPreferences getPreferences(
148                            long companyId, long ownerId, int ownerType)
149                    throws SystemException {
150    
151                    return getPreferences(ownerId, ownerType);
152            }
153    
154            /**
155             * @deprecated As of 6.2.0, replaced by {@link #getPreferences(long, int,
156             *             String)}
157             */
158            @Override
159            public PortletPreferences getPreferences(
160                            long companyId, long ownerId, int ownerType,
161                            String defaultPreferences)
162                    throws SystemException {
163    
164                    return getPreferences(ownerId, ownerType, defaultPreferences);
165            }
166    
167            @Override
168            public PortalPreferences updatePreferences(
169                            long ownerId, int ownerType,
170                            com.liferay.portlet.PortalPreferences portalPreferences)
171                    throws SystemException {
172    
173                    String xml = PortletPreferencesFactoryUtil.toXML(portalPreferences);
174    
175                    return updatePreferences(ownerId, ownerType, xml);
176            }
177    
178            @Override
179            public PortalPreferences updatePreferences(
180                            long ownerId, int ownerType, String xml)
181                    throws SystemException {
182    
183                    PortalPreferencesWrapperCacheUtil.remove(ownerId, ownerType);
184    
185                    PortalPreferences portalPreferences =
186                            portalPreferencesPersistence.fetchByO_O(ownerId, ownerType);
187    
188                    if (portalPreferences == null) {
189                            long portalPreferencesId = counterLocalService.increment();
190    
191                            portalPreferences = portalPreferencesPersistence.create(
192                                    portalPreferencesId);
193    
194                            portalPreferences.setOwnerId(ownerId);
195                            portalPreferences.setOwnerType(ownerType);
196                    }
197    
198                    portalPreferences.setPreferences(xml);
199    
200                    portalPreferencesPersistence.update(portalPreferences);
201    
202                    return portalPreferences;
203            }
204    
205            protected PortletPreferences doGetPreferences(
206                            long ownerId, int ownerType, String defaultPreferences)
207                    throws SystemException {
208    
209                    PortalPreferencesWrapper portalPreferencesWrapper =
210                            PortalPreferencesWrapperCacheUtil.get(ownerId, ownerType);
211    
212                    if (portalPreferencesWrapper != null) {
213                            return portalPreferencesWrapper.clone();
214                    }
215    
216                    PortalPreferences portalPreferences =
217                            portalPreferencesPersistence.fetchByO_O(ownerId, ownerType);
218    
219                    if (portalPreferences == null) {
220                            portalPreferences =
221                                    portalPreferencesLocalService.addPortalPreferences(
222                                            ownerId, ownerType, defaultPreferences);
223                    }
224    
225                    PortalPreferencesImpl portalPreferencesImpl =
226                            (PortalPreferencesImpl)PortletPreferencesFactoryUtil.fromXML(
227                                    ownerId, ownerType, portalPreferences.getPreferences());
228    
229                    portalPreferencesWrapper = new PortalPreferencesWrapper(
230                            portalPreferencesImpl);
231    
232                    PortalPreferencesWrapperCacheUtil.put(
233                            ownerId, ownerType, portalPreferencesWrapper);
234    
235                    return portalPreferencesWrapper.clone();
236            }
237    
238            private static Log _log = LogFactoryUtil.getLog(
239                    PortalPreferencesLocalServiceImpl.class);
240    
241    }