Example usage for com.liferay.portal.kernel.mobile.device DeviceDetectionUtil detectDevice

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.mobile.device DeviceDetectionUtil detectDevice.

Prototype

public static Device detectDevice(HttpServletRequest httpServletRequest) 

Source Link

Usage

From source file:com.liferay.mobile.device.rules.internal.events.MDRServicePreAction.java

License:Open Source License

@Override
public void run(HttpServletRequest request, HttpServletResponse response) {
    ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

    Device device = null;/*  w  ww  .  j a  va 2  s  .  co  m*/

    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);
        }
    }
}

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