sdnr/wt/apigateway/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/apigateway/database/DatabaseHttpClient.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * ONAP : CCSDK.apps.sdnr.wt.apigateway
   4  * ================================================================================
   5  * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
   6  * All rights reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21 package org.onap.ccsdk.features.sdnr.wt.apigateway.database;
  22
  23 import java.io.IOException;
  24 import java.util.HashMap;
  25 import java.util.Map;
  26
  27 import org.json.JSONArray;
  28 import org.json.JSONObject;
  29 import org.onap.ccsdk.features.sdnr.wt.apigateway.database.http.BaseHTTPClient;
  30 import org.onap.ccsdk.features.sdnr.wt.apigateway.database.http.BaseHTTPResponse;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class DatabaseHttpClient extends BaseHTTPClient {
  35
  36         private static Logger LOG = LoggerFactory.getLogger(DatabaseHttpClient.class);
  37         private static final String URI = "/mwtn/mediator-server/_search";
  38         private final Map<String, String> headers;
  39
  40         public DatabaseHttpClient(String base, boolean trustAllCerts) {
  41                 super(base, trustAllCerts);
  42                 this.headers = this.getHeaders();
  43         }
  44
  45         private Map<String, String> getHeaders() {
  46                 Map<String, String> h = new HashMap<String, String>();
  47
  48                 return h;
  49         }
  50
  51         public Map<String, MediatorServerInfo> requestEntries() {
  52                 Map<String, MediatorServerInfo> entries = new HashMap<String, MediatorServerInfo>();
  53                 BaseHTTPResponse response = null;
  54                 try {
  55                         response = this.sendRequest(URI, "GET", (String) null, this.headers);
  56                 } catch (IOException e) {
  57                         LOG.warn("problem reading db entries of mediator server: {}", e.getMessage());
  58                 }
  59                 if (response != null && response.code == BaseHTTPResponse.CODE200) {
  60                         try {
  61                                 JSONObject o = new JSONObject(response.body);
  62                                 if (o.has("hits")) {
  63                                         JSONObject hits = o.getJSONObject("hits");
  64                                         if (hits.has("hits")) {
  65                                                 JSONArray hitsarray = hits.getJSONArray("hits");
  66                                                 if (hitsarray.length() > 0) {
  67                                                         for (int i = 0; i < hitsarray.length(); i++) {
  68                                                                 JSONObject entry = hitsarray.getJSONObject(i);
  69                                                                 entries.put(entry.getString("_id"),
  70                                                                                 new MediatorServerInfo(entry.getJSONObject("_source").getString("name"),
  71                                                                                                 entry.getJSONObject("_source").getString("url")));
  72                                                         }
  73                                                 }
  74
  75                                         }
  76                                 }
  77                         } catch (Exception e) {
  78                                 LOG.warn("problem parsing response: {} | e={}", response, e.getMessage());
  79                         }
  80                 }
  81                 return entries;
  82         }
  83 }