org.energyos.espi.thirdparty.repository.impl.UsagePointRESTRepositoryImpl.java Source code

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Here is the source code for org.energyos.espi.thirdparty.repository.impl.UsagePointRESTRepositoryImpl.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.thirdparty.repository.impl;

import java.io.ByteArrayInputStream;
import java.util.List;

import javax.xml.bind.JAXBException;

import org.energyos.espi.common.domain.Authorization;
import org.energyos.espi.common.domain.RetailCustomer;
import org.energyos.espi.common.domain.UsagePoint;
import org.energyos.espi.common.repositories.UsagePointRepository;
import org.energyos.espi.common.service.AuthorizationService;
import org.energyos.espi.common.service.ImportService;
import org.energyos.espi.common.service.RetailCustomerService;
import org.energyos.espi.common.service.UsagePointService;
import org.energyos.espi.thirdparty.repository.UsagePointRESTRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Repository;
import org.springframework.web.client.RestTemplate;

@Repository
public class UsagePointRESTRepositoryImpl implements UsagePointRESTRepository {
    @Autowired
    @Qualifier("restTemplate")
    private RestTemplate template;

    @Autowired
    private AuthorizationService authorizationService;

    @Autowired
    private ImportService importService;

    @Autowired
    private UsagePointService usagePointService;

    @Autowired
    private UsagePointRepository usagePointRepository;

    @Autowired
    private RetailCustomerService retailCustomerService;

    // services initializers
    //
    public void setUsagePointService(UsagePointService usagePointService) {
        this.usagePointService = usagePointService;
    }

    public void setImportService(ImportService importService) {
        this.importService = importService;
    }

    public void setRetailCustomerService(RetailCustomerService retailCustomerService) {
        this.retailCustomerService = retailCustomerService;
    }

    public void setUsagePointRepository(UsagePointRepository usagePointRepository) {
        this.usagePointRepository = usagePointRepository;
    }

    public void setTemplate(RestTemplate template) {
        this.template = template;
    }

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

    @Override
    public List<UsagePoint> findAllByRetailCustomerId(Long retailCustomerId) throws JAXBException {

        HttpEntity<String> httpResult = getUsagePoints(findAuthorization(retailCustomerId));
        ByteArrayInputStream bs = new ByteArrayInputStream(httpResult.getBody().toString().getBytes());

        try {
            importService.importData(bs, retailCustomerId);
        } catch (Exception e) {
            // TODO need to pass the exception on through appropriately
        }

        List<UsagePoint> result;
        RetailCustomer retailCustomer = retailCustomerService.findById(retailCustomerId);
        result = usagePointService.findAllByRetailCustomer(retailCustomer);
        return result;
    }

    @Override
    public UsagePoint findByHashedId(Long retailCustomerId, String usagePointHashedId) throws JAXBException {
        List<UsagePoint> usagePoints = findAllByRetailCustomerId(retailCustomerId);

        for (UsagePoint usagePoint : usagePoints) {
            if (usagePoint.getHashedId().equalsIgnoreCase(usagePointHashedId)) {
                return usagePoint;
            }
        }

        return null;
    }

    private HttpEntity<String> getUsagePoints(Authorization authorization) {
        HttpHeaders requestHeaders = new HttpHeaders();
        requestHeaders.set("Authorization", "Bearer " + authorization.getAccessToken());
        @SuppressWarnings({ "rawtypes", "unchecked" })
        HttpEntity<?> requestEntity = new HttpEntity(requestHeaders);

        return template.exchange(authorization.getResourceURI(), HttpMethod.GET, requestEntity, String.class);
    }

    private Authorization findAuthorization(Long retailCustomerId) {
        List<Authorization> authorizations = authorizationService.findAllByRetailCustomerId(retailCustomerId);
        return authorizations.get(authorizations.size() - 1);
    }

}