org.onebusaway.sms.impl.TextmarksSessionInterceptor.java Source code

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Here is the source code for org.onebusaway.sms.impl.TextmarksSessionInterceptor.java

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/**
 * Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.onebusaway.sms.impl;

import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.apache.struts2.interceptor.SessionAware;
import org.onebusaway.presentation.impl.users.XWorkRequestAttributes;
import org.onebusaway.sms.services.SessionManager;
import org.onebusaway.util.impl.analytics.GoogleAnalyticsServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;

import com.brsanthu.googleanalytics.EventHit;
import com.brsanthu.googleanalytics.PageViewHit;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;

public class TextmarksSessionInterceptor extends AbstractInterceptor {

    private static final long serialVersionUID = 1L;

    private SessionManager _sessionManager;

    private String _phoneNumberParameterName = "phoneNumber";

    @Autowired
    public void setSessionManager(SessionManager sessionManager) {
        _sessionManager = sessionManager;
    }

    @Autowired
    private GoogleAnalyticsServiceImpl _gaService;

    public void setPhoneNumberParameterName(String phoneNumberParameterName) {
        _phoneNumberParameterName = phoneNumberParameterName;
    }

    @Override
    public String intercept(ActionInvocation invocation) throws Exception {

        processGoogleAnalytics();

        ActionContext context = invocation.getInvocationContext();
        Map<String, Object> parameters = context.getParameters();

        Object phoneNumber = parameters.get(_phoneNumberParameterName);

        if (phoneNumber == null)
            return invocation.invoke();

        if (phoneNumber instanceof String[]) {
            String[] values = (String[]) phoneNumber;
            if (values.length == 0)
                return invocation.invoke();
            phoneNumber = values[0];
        }

        String sessionId = phoneNumber.toString();
        Map<String, Object> persistentSession = _sessionManager.getContext(sessionId);

        Map<String, Object> originalSession = context.getSession();
        context.setSession(persistentSession);

        XWorkRequestAttributes attributes = new XWorkRequestAttributes(context, sessionId);
        RequestAttributes originalAttributes = RequestContextHolder.getRequestAttributes();
        RequestContextHolder.setRequestAttributes(attributes);

        Object action = invocation.getAction();
        if (action instanceof SessionAware)
            ((SessionAware) action).setSession(persistentSession);

        try {
            return invocation.invoke();
        } finally {
            RequestContextHolder.setRequestAttributes(originalAttributes);
            context.setSession(originalSession);
        }
    }

    private void processGoogleAnalytics() {
        processGoogleAnalyticsPageView();
    }

    private void processGoogleAnalyticsPageView() {
        _gaService.post(new PageViewHit());
    }
}