it.reply.orchestrator.service.CloudProviderRankerServiceImpl.java Source code

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Here is the source code for it.reply.orchestrator.service.CloudProviderRankerServiceImpl.java

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package it.reply.orchestrator.service;

/*
 * Copyright  2015-2017 Santer Reply S.p.A.
 *
 * 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.
 */
import it.reply.orchestrator.dto.ranker.CloudProviderRankerRequest;
import it.reply.orchestrator.dto.ranker.RankedCloudProvider;
import it.reply.orchestrator.exception.service.DeploymentException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@Service
@PropertySource("classpath:cloud-provider-ranker/cloud-provider-ranker.properties")
public class CloudProviderRankerServiceImpl implements CloudProviderRankerService {

    @Value("${cloud-provider-ranker.url}")
    private String url;

    @Autowired
    private RestTemplate restTemplate;

    @Override
    public String getUrl() {
        return url;
    }

    @Override
    public List<RankedCloudProvider> getProviderRanking(CloudProviderRankerRequest cloudProviderRankerRequest) {

        HttpEntity<CloudProviderRankerRequest> entity = new HttpEntity<CloudProviderRankerRequest>(
                cloudProviderRankerRequest);

        ResponseEntity<List<RankedCloudProvider>> response = restTemplate.exchange(url, HttpMethod.POST, entity,
                new ParameterizedTypeReference<List<RankedCloudProvider>>() {
                });
        if (response.getStatusCode().is2xxSuccessful()) {
            return response.getBody();
        }

        throw new DeploymentException(
                "Error retrieving cloud provider ranking data for request <" + cloudProviderRankerRequest + ">");
    }
}