Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.content.targeting.rule.device; import com.liferay.content.targeting.anonymous.users.model.AnonymousUser; import com.liferay.content.targeting.api.model.BaseRule; import com.liferay.content.targeting.api.model.Rule; import com.liferay.content.targeting.model.RuleInstance; import com.liferay.content.targeting.model.UserSegment; import com.liferay.content.targeting.rule.categories.SessionAttributesRuleCategory; import com.liferay.content.targeting.util.ContentTargetingContextUtil; import com.liferay.content.targeting.util.PortletKeys; import com.liferay.content.targeting.util.WebKeys; import com.liferay.portal.kernel.dao.orm.QueryUtil; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.json.JSONException; import com.liferay.portal.kernel.json.JSONFactoryUtil; import com.liferay.portal.kernel.json.JSONObject; import com.liferay.portal.kernel.language.LanguageUtil; import com.liferay.portal.kernel.lar.PortletDataContext; import com.liferay.portal.kernel.lar.PortletDataException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.mobile.device.rulegroup.RuleGroupProcessorUtil; import com.liferay.portal.kernel.mobile.device.rulegroup.rule.RuleHandler; import com.liferay.portal.kernel.util.Constants; import com.liferay.portal.kernel.util.GetterUtil; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.xml.Element; import com.liferay.portal.theme.ThemeDisplay; import com.liferay.portlet.mobiledevicerules.model.MDRRule; import com.liferay.portlet.mobiledevicerules.model.MDRRuleGroup; import com.liferay.portlet.mobiledevicerules.service.MDRRuleGroupLocalServiceUtil; import java.util.ArrayList; import java.util.Collection; import java.util.LinkedHashMap; import java.util.List; import java.util.Locale; import java.util.Map; import javax.portlet.PortletRequest; import javax.portlet.PortletResponse; import javax.servlet.http.HttpServletRequest; import org.osgi.service.component.annotations.Activate; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Deactivate; /** * @author Julio Camarero * @author Eudaldo Alonso */ @Component(immediate = true, service = Rule.class) public class DeviceRule extends BaseRule { @Activate @Override public void activate() { super.activate(); } @Deactivate @Override public void deActivate() { super.deActivate(); } @Override public boolean evaluate(HttpServletRequest request, RuleInstance ruleInstance, AnonymousUser anonymousUser) throws Exception { long mdrRuleGroupId = getMDRRuleGroupId(ruleInstance); if (mdrRuleGroupId <= 0) { return false; } MDRRuleGroup mdrRuleGroup = null; try { mdrRuleGroup = MDRRuleGroupLocalServiceUtil.getMDRRuleGroup(mdrRuleGroupId); } catch (SystemException se) { _log.error(se); return false; } ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY); return evaluateRuleGroup(mdrRuleGroup, themeDisplay); } @Override public void exportData(PortletDataContext portletDataContext, Element userSegmentElement, UserSegment userSegment, Element ruleInstanceElement, RuleInstance ruleInstance) throws Exception { long mdrRuleGroupId = getMDRRuleGroupId(ruleInstance); MDRRuleGroup mdrRuleGroup = MDRRuleGroupLocalServiceUtil.fetchMDRRuleGroup(mdrRuleGroupId); if (mdrRuleGroup != null) { JSONObject jsonObj = JSONFactoryUtil.createJSONObject(); jsonObj.put("mdrRuleGroupUuid", mdrRuleGroup.getUuid()); ruleInstance.setTypeSettings(jsonObj.toString()); portletDataContext.addReferenceElement(ruleInstance, ruleInstanceElement, mdrRuleGroup, PortletDataContext.REFERENCE_TYPE_WEAK, true); return; } throw new PortletDataException(getExportImportErrorMessage(userSegment, ruleInstance, MDRRuleGroup.class.getName(), String.valueOf(mdrRuleGroupId), Constants.EXPORT)); } @Override public String getIcon() { return "icon-tablet"; } @Override public String getRuleCategoryKey() { return SessionAttributesRuleCategory.KEY; } @Override public String getSummary(RuleInstance ruleInstance, Locale locale) { long mdrRuleGroupId = getMDRRuleGroupId(ruleInstance); if (mdrRuleGroupId <= 0) { return StringPool.BLANK; } MDRRuleGroup mdrRuleGroup = null; try { mdrRuleGroup = MDRRuleGroupLocalServiceUtil.fetchMDRRuleGroup(mdrRuleGroupId); } catch (SystemException se) { _log.error(se); } if (mdrRuleGroup == null) { return StringPool.BLANK; } StringBuilder sb = new StringBuilder(3); sb.append(LanguageUtil.get(locale, "device-family")); sb.append(StringPool.COLON); sb.append(StringPool.SPACE); sb.append(mdrRuleGroup.getName(locale)); String description = mdrRuleGroup.getDescription(locale); if (Validator.isNotNull(description)) { sb.append(StringPool.COLON); sb.append(StringPool.SPACE); sb.append(mdrRuleGroup.getDescription(locale)); } return sb.toString(); } @Override public void importData(PortletDataContext portletDataContext, UserSegment userSegment, RuleInstance ruleInstance) throws Exception { String mdrRuleGroupUuid = StringPool.BLANK; try { JSONObject jsonObj = JSONFactoryUtil.createJSONObject(ruleInstance.getTypeSettings()); mdrRuleGroupUuid = jsonObj.getString("mdrRuleGroupUuid"); } catch (JSONException jse) { } MDRRuleGroup mdrRuleGroup = MDRRuleGroupLocalServiceUtil.fetchMDRRuleGroupByUuidAndGroupId(mdrRuleGroupUuid, portletDataContext.getScopeGroupId()); if (mdrRuleGroup != null) { JSONObject jsonObj = JSONFactoryUtil.createJSONObject(); jsonObj.put("mdrRuleGroupId", mdrRuleGroup.getRuleGroupId()); ruleInstance.setTypeSettings(jsonObj.toString()); return; } throw new PortletDataException(getExportImportErrorMessage(userSegment, ruleInstance, MDRRuleGroup.class.getName(), mdrRuleGroupUuid, Constants.IMPORT)); } @Override public String processRule(PortletRequest request, PortletResponse response, String id, Map<String, String> values) { long mdrRuleGroupId = GetterUtil.getInteger(values.get("mdrRuleGroupId")); JSONObject jsonObj = JSONFactoryUtil.createJSONObject(); jsonObj.put("mdrRuleGroupId", mdrRuleGroupId); return jsonObj.toString(); } protected boolean evaluateRule(MDRRule rule, ThemeDisplay themeDisplay) { RuleGroupProcessorUtil.getRuleHandler(rule.getType()); RuleHandler ruleHandler = RuleGroupProcessorUtil.getRuleHandler(rule.getType()); if (ruleHandler != null) { return ruleHandler.evaluateRule(rule, themeDisplay); } else if (_log.isWarnEnabled()) { _log.warn("No rule handler registered for type " + rule.getType()); } return false; } protected boolean evaluateRuleGroup(MDRRuleGroup mdrRuleGroup, ThemeDisplay themeDisplay) throws SystemException { Collection<MDRRule> mdrRules = mdrRuleGroup.getRules(); for (MDRRule mdrRule : mdrRules) { if (!evaluateRule(mdrRule, themeDisplay)) { return false; } } return true; } protected long getMDRRuleGroupId(RuleInstance ruleInstance) { long mdrRuleGroupId = 0; try { JSONObject jsonObj = JSONFactoryUtil.createJSONObject(ruleInstance.getTypeSettings()); mdrRuleGroupId = jsonObj.getLong("mdrRuleGroupId"); } catch (JSONException jse) { } return mdrRuleGroupId; } @Override protected void populateContext(RuleInstance ruleInstance, Map<String, Object> context, Map<String, String> values) { long mdrRuleGroupId = 0; if (!values.isEmpty()) { mdrRuleGroupId = GetterUtil.getInteger(values.get("mdrRuleGroupId")); } else if (ruleInstance != null) { String typeSettings = ruleInstance.getTypeSettings(); try { JSONObject jsonObj = JSONFactoryUtil.createJSONObject(typeSettings); mdrRuleGroupId = jsonObj.getInt("mdrRuleGroupId"); } catch (JSONException jse) { } } context.put("mdrRuleGroupId", mdrRuleGroupId); LinkedHashMap<String, Object> params = new LinkedHashMap<String, Object>(); params.put("includeGlobalScope", Boolean.TRUE); long groupId = GetterUtil.getLong(context.get("scopeGroupId")); List<MDRRuleGroup> mdrRuleGroups = new ArrayList<MDRRuleGroup>(); try { mdrRuleGroups = MDRRuleGroupLocalServiceUtil.searchByKeywords(groupId, null, params, false, QueryUtil.ALL_POS, QueryUtil.ALL_POS); } catch (SystemException se) { _log.error(se); } context.put("mdrRuleGroups", mdrRuleGroups); boolean hasMDRViewPermission = ContentTargetingContextUtil.hasControlPanelPortletViewPermission(context, PortletKeys.MOBILE_DEVICE_SITE_ADMIN); if (hasMDRViewPermission) { context.put("mDRURL", ContentTargetingContextUtil.getSiteAdministrationPortletURL(context, PortletKeys.MOBILE_DEVICE_SITE_ADMIN, null)); } } private static Log _log = LogFactoryUtil.getLog(DeviceRule.class); }