/**
* 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.mobile.device.rules.internal.events;
import com.liferay.mobile.device.rules.action.ActionHandlerManagerUtil;
import com.liferay.mobile.device.rules.internal.MDRRuleGroupInstanceImpl;
import com.liferay.mobile.device.rules.model.MDRAction;
import com.liferay.mobile.device.rules.model.MDRRuleGroupInstance;
import com.liferay.mobile.device.rules.rule.RuleGroupProcessorUtil;
import com.liferay.mobile.device.rules.service.MDRActionLocalService;
import com.liferay.portal.kernel.events.Action;
import com.liferay.portal.kernel.events.LifecycleAction;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.mobile.device.Device;
import com.liferay.portal.kernel.mobile.device.DeviceDetectionUtil;
import com.liferay.portal.kernel.mobile.device.UnknownDevice;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.TransientValue;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.util.PropsValues;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
/**
* @author Edward Han
*/
@Component(
property = {"key=servlet.service.events.pre"},
service = LifecycleAction.class
)
public class MDRServicePreAction extends Action {
@Override
public void run(HttpServletRequest request, HttpServletResponse response) {
ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
WebKeys.THEME_DISPLAY);
Device device = null;
if (PropsValues.MOBILE_DEVICE_SESSION_CACHE_ENABLED) {
HttpSession session = request.getSession();
TransientValue<Device> transientValue =
(TransientValue<Device>)session.getAttribute(WebKeys.DEVICE);
if (transientValue != null) {
device = transientValue.getValue();
}
if (device == null) {
device = DeviceDetectionUtil.detectDevice(request);
session.setAttribute(
WebKeys.DEVICE, new TransientValue<>(device));
}
}
else {
device = DeviceDetectionUtil.detectDevice(request);
}
themeDisplay.setDevice(device);
UnknownDevice unknownDevice = UnknownDevice.getInstance();
if (device.equals(unknownDevice)) {
return;
}
MDRRuleGroupInstance mdrRuleGroupInstance = null;
try {
mdrRuleGroupInstance = RuleGroupProcessorUtil.evaluateRuleGroups(
themeDisplay);
if (_log.isDebugEnabled()) {
String logMessage =
"Rule group evaluation returned rule group instance ";
if (mdrRuleGroupInstance != null) {
logMessage += mdrRuleGroupInstance.getRuleGroupInstanceId();
}
else {
logMessage += "null";
}
_log.debug(logMessage);
}
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn("Unable to retrieve rule group", e);
}
return;
}
if (mdrRuleGroupInstance == null) {
return;
}
themeDisplay.setMDRRuleGroupInstance(
new MDRRuleGroupInstanceImpl(mdrRuleGroupInstance));
try {
List<MDRAction> mdrActions = _mdrActionLocalService.getActions(
mdrRuleGroupInstance.getRuleGroupInstanceId());
ActionHandlerManagerUtil.applyActions(
mdrActions, request, response);
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn("Unable to apply device profile", e);
}
}
}
@Reference(unbind = "-")
protected void setMDRActionLocalService(
MDRActionLocalService mdrActionLocalService) {
_mdrActionLocalService = mdrActionLocalService;
}
private static final Log _log = LogFactoryUtil.getLog(
MDRServicePreAction.class);
private MDRActionLocalService _mdrActionLocalService;
}