Coverage Summary for Class: BootstrapIndexRetriever (co.rsk.db.importer.provider.index)

Class Class, % Method, % Line, %
BootstrapIndexRetriever 0% (0/1) 0% (0/3) 0% (0/14)


1 /* 2  * This file is part of RskJ 3  * Copyright (C) 2019 RSK Labs Ltd. 4  * 5  * This program is free software: you can redistribute it and/or modify 6  * it under the terms of the GNU Lesser General Public License as published by 7  * the Free Software Foundation, either version 3 of the License, or 8  * (at your option) any later version. 9  * 10  * This program is distributed in the hope that it will be useful, 11  * but WITHOUT ANY WARRANTY; without even the implied warranty of 12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13  * GNU Lesser General Public License for more details. 14  * 15  * You should have received a copy of the GNU Lesser General Public License 16  * along with this program. If not, see <http://www.gnu.org/licenses/>. 17  */ 18  19 package co.rsk.db.importer.provider.index; 20  21 import co.rsk.db.importer.BootstrapImportException; 22 import co.rsk.db.importer.BootstrapURLProvider; 23 import co.rsk.db.importer.provider.index.data.BootstrapDataIndex; 24 import com.fasterxml.jackson.databind.ObjectMapper; 25  26 import java.io.IOException; 27 import java.net.URL; 28 import java.util.ArrayList; 29 import java.util.List; 30  31 public class BootstrapIndexRetriever { 32  33  private static final String INDEX_NAME = "index.json"; 34  35  private final List<String> publicKeys; 36  private final BootstrapURLProvider bootstrapUrlProvider; 37  private final ObjectMapper objectMapper; 38  39  public BootstrapIndexRetriever( 40  List<String> publicKeys, 41  BootstrapURLProvider bootstrapUrlProvider, ObjectMapper objectMapper) { 42  this.publicKeys = new ArrayList<>(publicKeys); 43  this.bootstrapUrlProvider = bootstrapUrlProvider; 44  this.objectMapper = objectMapper; 45  } 46  47  public List<BootstrapDataIndex> retrieve() { 48  List<BootstrapDataIndex> indices = new ArrayList<>(); 49  50  for (String pk : publicKeys) { 51  String indexSuffix = pk +"/" + INDEX_NAME; 52  URL indexURL = bootstrapUrlProvider.getFullURL(indexSuffix); 53  54  indices.add(readJson(indexURL)); 55  } 56  return indices; 57  } 58  59  private BootstrapDataIndex readJson(URL indexURL) { 60  try { 61  return objectMapper.readValue(indexURL, BootstrapDataIndex.class); 62  } catch (IOException e) { 63  throw new BootstrapImportException(String.format("Failed to download and parse index from %s", indexURL), e); 64  } 65  } 66  67 }