org.energyos.espi.datacustodian.web.api.ServiceStatusRESTController.java Source code

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Here is the source code for org.energyos.espi.datacustodian.web.api.ServiceStatusRESTController.java

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/*
 * Copyright 2013, 2014, 2015 EnergyOS.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.energyos.espi.datacustodian.web.api;

import java.io.IOException;
import java.util.Date;
import java.util.Map;
import java.util.UUID;

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

import org.energyos.espi.common.domain.ApplicationInformation;
import org.energyos.espi.common.domain.Authorization;
import org.energyos.espi.common.domain.Routes;
import org.energyos.espi.common.models.atom.DateTimeType;
import org.energyos.espi.common.service.AuthorizationService;
import org.energyos.espi.common.service.ResourceService;
import org.energyos.espi.common.utils.DateConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.sun.syndication.io.FeedException;

@Controller
public class ServiceStatusRESTController {

    @Autowired
    private ResourceService resourceService;

    @Autowired
    private AuthorizationService authorizationService;

    private String getApplicationStatus(HttpServletRequest request) {
        String token = request.getHeader("authorization");
        String applicationStatus = "0";

        if (token != null) {
            token = token.replace("Bearer ", "");
            Authorization authorization = authorizationService.findByAccessToken(token);
            if (authorization != null) {
                ApplicationInformation applicationinformation = authorization.getApplicationInformation();
                if (applicationinformation != null) {
                    applicationStatus = applicationinformation.getDataCustodianApplicationStatus();
                }
            }
        }

        return applicationStatus;

    }

    // ROOT RESTful Forms
    //
    @RequestMapping(value = Routes.ROOT_SERVICE_STATUS, method = RequestMethod.GET, produces = "application/atom+xml")
    @ResponseBody
    public void index(HttpServletRequest request, HttpServletResponse response,
            @RequestParam Map<String, String> params) throws IOException, FeedException {

        response.setContentType(MediaType.APPLICATION_ATOM_XML_VALUE);
        DateTimeType updated = DateConverter.toDateTimeType(new Date());
        String temp = updated.getValue().toXMLFormat();
        String uuid = UUID.randomUUID().toString();

        response.getOutputStream().println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
        response.getOutputStream().println(
                "<ServiceStatus xmlns=\"http://naesb.org/espi\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://naesb.org/espi espiDerived.xsd\">");
        response.getOutputStream().println(
                "  <currentStatus>" + getApplicationStatus(request) + "</currentStatus>\n</ServiceStatus>");

    }

    public void setAuthorizationService(AuthorizationService authorizationService) {
        this.authorizationService = authorizationService;
    }

    public AuthorizationService getAuthorizationService() {
        return this.authorizationService;
    }

    public void setResourceService(ResourceService resourceService) {
        this.resourceService = resourceService;
    }

    public ResourceService getResourceService() {
        return this.resourceService;
    }

}