001    /**
002     * Copyright (c) 2000-2010 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.portlet.expando.service.impl;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.json.JSONFactoryUtil;
020    import com.liferay.portal.kernel.json.JSONObject;
021    import com.liferay.portal.kernel.util.StringPool;
022    import com.liferay.portal.kernel.util.Validator;
023    import com.liferay.portal.security.permission.ActionKeys;
024    import com.liferay.portlet.expando.model.ExpandoColumn;
025    import com.liferay.portlet.expando.model.ExpandoValue;
026    import com.liferay.portlet.expando.service.base.ExpandoValueServiceBaseImpl;
027    import com.liferay.portlet.expando.service.permission.ExpandoColumnPermission;
028    
029    import java.io.Serializable;
030    
031    /**
032     * @author Brian Wing Shun Chan
033     */
034    public class ExpandoValueServiceImpl extends ExpandoValueServiceBaseImpl {
035    
036            public ExpandoValue addValue(
037                            long companyId, String className, String tableName,
038                            String columnName, long classPK, Object data)
039                    throws PortalException, SystemException {
040    
041                    ExpandoColumn column = expandoColumnLocalService.getColumn(
042                            companyId, className, tableName, columnName);
043    
044                    ExpandoColumnPermission.check(
045                            getPermissionChecker(), column, ActionKeys.UPDATE);
046    
047                    return expandoValueLocalService.addValue(
048                            companyId, className, tableName, columnName, classPK, data);
049            }
050    
051            public ExpandoValue addValue(
052                            long companyId, String className, String tableName,
053                            String columnName, long classPK, String data)
054                    throws PortalException, SystemException {
055    
056                    ExpandoColumn column = expandoColumnLocalService.getColumn(
057                            companyId, className, tableName, columnName);
058    
059                    ExpandoColumnPermission.check(
060                            getPermissionChecker(), column, ActionKeys.UPDATE);
061    
062                    return expandoValueLocalService.addValue(
063                            companyId, className, tableName, columnName, classPK, data);
064            }
065    
066            public Serializable getData(
067                            long companyId, String className, String tableName,
068                            String columnName, long classPK)
069                    throws PortalException, SystemException {
070    
071                    ExpandoColumn column = expandoColumnLocalService.getColumn(
072                            companyId, className, tableName, columnName);
073    
074                    if (ExpandoColumnPermission.contains(
075                                    getPermissionChecker(), column, ActionKeys.VIEW)) {
076    
077                            return expandoValueLocalService.getData(
078                                    companyId, className, tableName, columnName, classPK);
079                    }
080                    else {
081                            return null;
082                    }
083            }
084    
085            public JSONObject getJSONData(
086                            long companyId, String className, String tableName,
087                            String columnName, long classPK)
088                    throws PortalException, SystemException {
089    
090                    ExpandoColumn column = expandoColumnLocalService.getColumn(
091                            companyId, className, tableName, columnName);
092    
093                    if (ExpandoColumnPermission.contains(
094                                    getPermissionChecker(), column, ActionKeys.VIEW)) {
095    
096                            String data = expandoValueLocalService.getData(
097                                    companyId, className, tableName, columnName, classPK,
098                                    StringPool.BLANK);
099    
100                            if (Validator.isNotNull(data)) {
101                                    return JSONFactoryUtil.createJSONObject(data);
102                            }
103                            else {
104                                    return null;
105                            }
106                    }
107                    else {
108                            return null;
109                    }
110            }
111    
112    }