com.persistent.cloudninja.controller.ProvisionController.java Source code

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Here is the source code for com.persistent.cloudninja.controller.ProvisionController.java

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/*******************************************************************************
 * Copyright 2012 Persistent Systems Ltd.
 * 
 * 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 com.persistent.cloudninja.controller;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;

import com.persistent.cloudninja.domainobject.IdentityProviderEntity;
import com.persistent.cloudninja.scheduler.StorageUtility;
import com.persistent.cloudninja.service.ProvisioningService;
import com.persistent.cloudninja.transferObjects.ProvisioningTenantDTO;
import com.persistent.cloudninja.utils.SchedulerSettings;
import com.persistent.cloudninja.validator.ProvisioningTenantDTOValidator;

@Controller
public class ProvisionController {

    @Autowired
    private ProvisioningTenantDTOValidator provisioningTenantDTOValidator;

    @Autowired
    private StorageUtility storageUtility;

    @Autowired
    private ProvisioningService provisionService;

    @RequestMapping("/homePage.htm")
    public String showHomePage() {
        return "homePage";
    }

    @RequestMapping("/showLoginPage.htm")
    public ModelAndView showLoginPage(
            @ModelAttribute("provisioningTenantDTO") ProvisioningTenantDTO provisioningTenantDTO,
            BindingResult result) {
        List<IdentityProviderEntity> providerList = new ArrayList<IdentityProviderEntity>();
        providerList = provisionService.getIdentityProviderList();

        provisioningTenantDTO.setIdentityProviderList(providerList);

        return new ModelAndView("loginPage", "provisioningTenantDTO", provisioningTenantDTO);
    }

    @RequestMapping(value = "/provisionTenant.htm", method = RequestMethod.POST)
    public ModelAndView addTenant(
            @ModelAttribute("provisioningTenantDTO") ProvisioningTenantDTO provisioningTenantDTO,
            BindingResult result) {
        // In case of errors the provisioningTenantDTO should have this list
        provisioningTenantDTO.setIdentityProviderList(provisionService.getIdentityProviderList());
        provisioningTenantDTOValidator.validate(provisioningTenantDTO, result);
        if (!result.hasErrors()) {
            String tenantId = provisioningTenantDTO.getTenantId();
            StringBuffer stringBuffer = new StringBuffer(tenantId);
            stringBuffer.append(",");
            stringBuffer.append(provisioningTenantDTO.getCompanyName());
            stringBuffer.append(",");
            stringBuffer.append(provisioningTenantDTO.getMemberId());
            stringBuffer.append(",");
            stringBuffer.append(provisioningTenantDTO.getMemberName());
            stringBuffer.append(",");
            stringBuffer.append(provisioningTenantDTO.getMemberPassword());
            stringBuffer.append(",");
            stringBuffer.append(provisioningTenantDTO.getInvitationCode());

            try {
                //put the message in TenantCreationQueue to provision the tenant.
                storageUtility.putMessage(SchedulerSettings.TenantCreationQueue, stringBuffer.toString());
                // Redirect to tenant provisioning status page this page will periodically check the status
                return new ModelAndView(new RedirectView("ProvisioningStatus.htm?tenantId=" + tenantId));
            } catch (Exception e) {
                provisioningTenantDTO.setSuccessMessage("Error occurred while registering.");
                e.printStackTrace();
            }

        }

        return new ModelAndView("loginPage", "provisioningTenantDTO", provisioningTenantDTO);
    }

    /**
     * This the REST API to return the status of the tenant in JSON format
     * @param request The HttpServletRequest
     * @param response The HttpServletResponse
     * @return JSON representing provisioning status messages
     */
    @RequestMapping("getProvisioningStatusData.htm")
    public ModelAndView getProvisioningStatus(HttpServletRequest request, HttpServletResponse response) {
        // get the parameter for tenantId from request
        ArrayList<String> errorList = new ArrayList<String>();
        String tenantId = request.getParameter("tenantId");
        String callback = request.getParameter("callback");
        String tenantDashboardAccessUrl = "";
        ModelAndView mv = new ModelAndView();

        if (tenantId == null || tenantId.trim().length() == 0) {
            errorList.add("tenantId is required");
        }
        if (errorList.size() == 0) {
            List<String> provisioningStatusList = provisionService.getProvisioningStatusList(tenantId);
            if (provisioningStatusList == null) {
                provisioningStatusList = new ArrayList<String>();
            } else if (provisioningStatusList.size() == 7) {
                tenantDashboardAccessUrl = provisionService.getDashBoardAccessUrl(tenantId);
            }

            mv.setViewName("provisioningStatusDataPage");
            mv.addObject("provisioningStatusList", provisioningStatusList);
            mv.addObject("tenantUrl", tenantDashboardAccessUrl);
            mv.addObject("callback", callback);
        } else {
            mv.setViewName("jsonErrorPage");
            mv.addObject("errorList", errorList);
        }
        return mv;
    }

    /**
     * Act as a redirector to Provisioning Status Page
     * @param request HttpServletRequest
     * @param response HttpServletResponse
     * @return provisioningStatusPage view
     */
    @RequestMapping("ProvisioningStatus.htm")
    public ModelAndView showProvisioningStatusPage(HttpServletRequest request, HttpServletResponse response) {
        String tenantId = request.getParameter("tenantid");
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("provisioningStatusPage");
        modelAndView.addObject("tenantId", tenantId);
        return new ModelAndView("provisioningStatusPage");
    }
}