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/**
* Copyright (c) 2018 Orange
*
* 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.onap.nbi.apis.servicecatalog;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.io.IOUtils;
import org.onap.nbi.OnapComponentsUrlPaths;
import org.onap.nbi.exceptions.BackendFunctionalException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponentsBuilder;
/**
* @author user
*
*/
@Service
public class SdcClient {
public static final String HTTP_CALL_SDC_ON = "HTTP call SDC on ";
@Autowired
private RestTemplate restTemplate;
@Value("${sdc.host}")
private String sdcHost;
@Value("${sdc.header.ecompInstanceId}")
private String ecompInstanceId;
@Value("${sdc.header.authorization}")
private String sdcHeaderAuthorization;
private static final String HEADER_ECOMP_INSTANCE_ID = "x-ecomp-instanceid";
private static final String HEADER_AUTHORIZATION = "Authorization";
private static final Logger LOGGER = LoggerFactory.getLogger(SdcClient.class);
public LinkedHashMap callGet(String id) {
StringBuilder callURL = new StringBuilder().append(sdcHost).append(OnapComponentsUrlPaths.SDC_ROOT_URL)
.append(id).append(OnapComponentsUrlPaths.SDC_GET_PATH);
ResponseEntity<Object> response = callSdc(callURL.toString());
return (LinkedHashMap) response.getBody();
}
public List<LinkedHashMap> callFind(MultiValueMap<String, String> parametersMap) {
UriComponentsBuilder callURL = UriComponentsBuilder.fromHttpUrl(sdcHost + OnapComponentsUrlPaths.SDC_ROOT_URL);
if (parametersMap != null) {
Map<String, String> stringStringMap = parametersMap.toSingleValueMap();
for (String key : stringStringMap.keySet()) {
if (!key.equals("fields")) {
callURL.queryParam(key, stringStringMap.get(key));
}
}
}
ResponseEntity<Object> response = callSdc(callURL.build().encode().toUri().toString());
return (List<LinkedHashMap>) response.getBody();
}
public File callGetWithAttachment(String toscaModelUrl) {
StringBuilder callURL = new StringBuilder().append(sdcHost).append(toscaModelUrl);
String fileName = System.currentTimeMillis() + "tosca.csar";
ResponseEntity<byte[]> response = callSdcWithAttachment(callURL.toString());
File toscaFile = new File(fileName);
try {
FileOutputStream toscaFileStream = new FileOutputStream(toscaFile);
if (response != null) {
IOUtils.write(response.getBody(), toscaFileStream);
}
toscaFileStream.close();
} catch (IOException e) {
LOGGER.error("cannot get TOSCA File for url " + toscaModelUrl);
}
return toscaFile;
}
private HttpEntity<String> buildRequestHeader() {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.add(HEADER_ECOMP_INSTANCE_ID, ecompInstanceId);
httpHeaders.add(HEADER_AUTHORIZATION, sdcHeaderAuthorization);
HttpEntity<String> entity = new HttpEntity<>("parameters", httpHeaders);
return entity;
}
private ResponseEntity<Object> callSdc(String callURL) {
ResponseEntity<Object> response =
restTemplate.exchange(callURL, HttpMethod.GET, buildRequestHeader(), Object.class);
LOGGER.debug("response body : " + response.getBody().toString());
LOGGER.info("response status : " + response.getStatusCodeValue());
loggDebugIfResponseKo(callURL, response);
return response;
}
private void loggDebugIfResponseKo(String callURL, ResponseEntity<Object> response) {
if (!response.getStatusCode().equals(HttpStatus.OK)) {
LOGGER.warn(HTTP_CALL_SDC_ON + callURL + " returns " + response.getStatusCodeValue() + ", "
+ response.getBody().toString());
}
}
private ResponseEntity<byte[]> callSdcWithAttachment(String callURL) {
try {
ResponseEntity<byte[]> response =
restTemplate.exchange(callURL.toString(), HttpMethod.GET, buildRequestHeader(), byte[].class);
LOGGER.info("response status : " + response.getStatusCodeValue());
if (!response.getStatusCode().equals(HttpStatus.OK)) {
LOGGER.warn(HTTP_CALL_SDC_ON + callURL.toString() + " returns " + response.getStatusCodeValue() + ", "
+ response.getBody().toString());
}
return response;
} catch (BackendFunctionalException e) {
LOGGER.error(HTTP_CALL_SDC_ON + callURL.toString() + " error " + e);
return null;
}
}
}
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