eu.europa.ec.grow.espd.ted.TedService.java Source code

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Here is the source code for eu.europa.ec.grow.espd.ted.TedService.java

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/*
 *
 * Copyright 2016 EUROPEAN COMMISSION
 *
 * Licensed under the EUPL, Version 1.1 or  as soon they
 * will be approved by the European Commission - subsequent
 * versions of the EUPL (the "Licence");
 *
 * You may not use this work except in compliance with the Licence.
 *
 * You may obtain a copy of the Licence at:
 *
 * https://joinup.ec.europa.eu/community/eupl/og_page/eupl
 *
 * Unless required by applicable law or agreed to in
 * writing, software distributed under the Licence is
 * distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the Licence for the specific language governing
 * permissions and limitations under the Licence.
 *
 */

package eu.europa.ec.grow.espd.ted;

import com.google.common.io.BaseEncoding;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.*;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

/**
 * Created by ratoico on 1/21/16 at 5:08 PM.
 */
@Service
@Slf4j
public class TedService {

    private final RestTemplate restTemplate;

    @Value("${ted.api.base.url}")
    private String tedUrl;

    @Value("${ted.api.user}")
    private String tedUser;

    @Value("${ted.api.password}")
    private String tedPassword;

    @Autowired
    TedService(RestTemplate restTemplate) {
        this.restTemplate = restTemplate;
    }

    public TedResponse getContractNoticeInformation(TedRequest tedRequest) {
        String receptionId = StringUtils.trimToEmpty(tedRequest.getReceptionId());
        if (StringUtils.isBlank(receptionId)) {
            return new TedResponse();
        }

        log.info("--- Calling TED  with reception id: '{}'.", receptionId);
        try {
            HttpEntity<String> request = new HttpEntity<>(createHeaders(tedUser, tedPassword));
            ResponseEntity<TedResponse> response = restTemplate.exchange(tedUrl + "/" + receptionId, HttpMethod.GET,
                    request, TedResponse.class);
            log.info("Got response from TED: '{}'.", response);
            return response.getBody();
        } catch (Exception e) {
            log.warn(e.getMessage(), e);
            return new TedResponse();
        }
    }

    private HttpHeaders createHeaders(final String username, final String password) {
        String plainCreds = username + ":" + password;
        String base64Creds = BaseEncoding.base64().encode(plainCreds.getBytes());

        HttpHeaders headers = new HttpHeaders();
        headers.add(HttpHeaders.AUTHORIZATION, "Basic " + base64Creds);
        headers.add(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
        return headers;
    }
}