src/main/java/org/onap/nbi/apis/servicecatalog/SdcClient.java

   1 /**
   2  * Copyright (c) 2018 Orange
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
   5  * in compliance with the License. You may obtain a copy of the License at
   6  *
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software distributed under the License
  10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  11  * or implied. See the License for the specific language governing permissions and limitations under
  12  * the License.
  13  */
  14 package org.onap.nbi.apis.servicecatalog;
  15
  16 import java.io.File;
  17 import java.io.FileOutputStream;
  18 import java.io.IOException;
  19 import java.net.URI;
  20 import java.util.LinkedHashMap;
  21 import java.util.List;
  22 import java.util.Map;
  23 import org.apache.commons.io.IOUtils;
  24 import org.onap.nbi.OnapComponentsUrlPaths;
  25 import org.onap.nbi.exceptions.BackendFunctionalException;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28 import org.springframework.beans.factory.annotation.Autowired;
  29 import org.springframework.beans.factory.annotation.Value;
  30 import org.springframework.http.HttpEntity;
  31 import org.springframework.http.HttpHeaders;
  32 import org.springframework.http.HttpMethod;
  33 import org.springframework.http.HttpStatus;
  34 import org.springframework.http.ResponseEntity;
  35 import org.springframework.stereotype.Service;
  36 import org.springframework.util.MultiValueMap;
  37 import org.springframework.web.client.RestTemplate;
  38 import org.springframework.web.util.UriComponentsBuilder;
  39
  40 /**
  41  * @author user
  42  *
  43  */
  44 @Service
  45 public class SdcClient {
  46
  47     public static final String HTTP_CALL_SDC_ON = "HTTP call SDC on ";
  48     @Autowired
  49     private RestTemplate restTemplate;
  50
  51     @Value("${sdc.host}")
  52     private String sdcHost;
  53
  54     @Value("${sdc.header.ecompInstanceId}")
  55     private String ecompInstanceId;
  56
  57     @Value("${sdc.header.authorization}")
  58     private String sdcHeaderAuthorization;
  59
  60     private static final String HEADER_ECOMP_INSTANCE_ID = "x-ecomp-instanceid";
  61     private static final String HEADER_AUTHORIZATION = "Authorization";
  62
  63     private static final Logger LOGGER = LoggerFactory.getLogger(SdcClient.class);
  64
  65
  66     public LinkedHashMap callGet(String id) {
  67         StringBuilder urlBuilder = new StringBuilder().append(sdcHost).append(OnapComponentsUrlPaths.SDC_ROOT_URL)
  68                 .append("/").append(id).append(OnapComponentsUrlPaths.SDC_GET_PATH);
  69
  70         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(urlBuilder.toString());
  71
  72         ResponseEntity<Object> response = callSdc(callURI.build().encode().toUri());
  73         return (LinkedHashMap) response.getBody();
  74
  75     }
  76
  77     public List<LinkedHashMap> callFind(MultiValueMap<String, String> parametersMap) {
  78
  79         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(sdcHost + OnapComponentsUrlPaths.SDC_ROOT_URL);
  80         if (parametersMap != null) {
  81             Map<String, String> stringStringMap = parametersMap.toSingleValueMap();
  82             for (String key : stringStringMap.keySet()) {
  83                 if (!key.equals("fields")) {
  84                     callURI.queryParam(key, stringStringMap.get(key));
  85                 }
  86             }
  87         }
  88
  89         ResponseEntity<Object> response = callSdc(callURI.build().encode().toUri());
  90         return (List<LinkedHashMap>) response.getBody();
  91
  92     }
  93
  94
  95     public File callGetWithAttachment(String toscaModelUrl) {
  96         StringBuilder urlBuilder = new StringBuilder().append(sdcHost).append(toscaModelUrl);
  97
  98         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(urlBuilder.toString());
  99
 100
 101         String fileName = System.currentTimeMillis() + "tosca.csar";
 102         ResponseEntity<byte[]> response = callSdcWithAttachment(callURI.build().encode().toUri());
 103         File toscaFile = new File(fileName);
 104         try {
 105             FileOutputStream toscaFileStream = new FileOutputStream(toscaFile);
 106             if (response != null) {
 107                 IOUtils.write(response.getBody(), toscaFileStream);
 108             }
 109             toscaFileStream.close();
 110         } catch (IOException e) {
 111             LOGGER.error("cannot get TOSCA File for url " + toscaModelUrl, e);
 112         }
 113         return toscaFile;
 114
 115     }
 116
 117     private HttpEntity<String> buildRequestHeader() {
 118         HttpHeaders httpHeaders = new HttpHeaders();
 119         httpHeaders.add(HEADER_ECOMP_INSTANCE_ID, ecompInstanceId);
 120         httpHeaders.add(HEADER_AUTHORIZATION, sdcHeaderAuthorization);
 121         HttpEntity<String> entity = new HttpEntity<>("parameters", httpHeaders);
 122
 123         return entity;
 124     }
 125
 126
 127     private ResponseEntity<Object> callSdc(URI callURI) {
 128         ResponseEntity<Object> response =
 129                 restTemplate.exchange(callURI, HttpMethod.GET, buildRequestHeader(), Object.class);
 130         LOGGER.debug("response body : " + response.getBody().toString());
 131         LOGGER.info("response status : " + response.getStatusCodeValue());
 132         loggDebugIfResponseKo(callURI.toString(), response);
 133         return response;
 134     }
 135
 136
 137     private ResponseEntity<byte[]> callSdcWithAttachment(URI callURI) {
 138         try {
 139             ResponseEntity<byte[]> response =
 140                     restTemplate.exchange(callURI, HttpMethod.GET, buildRequestHeader(), byte[].class);
 141             LOGGER.info("response status : " + response.getStatusCodeValue());
 142             if (!response.getStatusCode().equals(HttpStatus.OK)) {
 143                 LOGGER.warn(HTTP_CALL_SDC_ON + callURI.toString() + " returns " + response.getStatusCodeValue() + ", "
 144                         + response.getBody().toString());
 145             }
 146             return response;
 147
 148         } catch (BackendFunctionalException e) {
 149             LOGGER.error(HTTP_CALL_SDC_ON + callURI.toString() + " error " + e);
 150             return null;
 151         }
 152     }
 153
 154
 155     private void loggDebugIfResponseKo(String callURI, ResponseEntity<Object> response) {
 156         if (!response.getStatusCode().equals(HttpStatus.OK)) {
 157             LOGGER.warn(HTTP_CALL_SDC_ON + callURI + " returns " + response.getStatusCodeValue() + ", "
 158                 + response.getBody().toString());
 159         }
 160     }
 161 }
 162
 163