Coverage Summary for Class: JsonRpcMethodFilter (co.rsk.rpc)

Class Class, % Method, % Line, %
JsonRpcMethodFilter 0% (0/1) 0% (0/3) 0% (0/8)


1 /* 2  * This file is part of RskJ 3  * Copyright (C) 2017 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.rpc; 20  21 import com.fasterxml.jackson.databind.JsonNode; 22 import com.googlecode.jsonrpc4j.JsonRpcBasicServer; 23 import com.googlecode.jsonrpc4j.RequestInterceptor; 24  25 import java.io.IOException; 26 import java.util.List; 27  28 public class JsonRpcMethodFilter implements RequestInterceptor { 29  30  private List<ModuleDescription> modules; 31  32  /** 33  * This checks the JSON RPC invoked method against the received list of modules 34  * 35  * @see co.rsk.rpc.ModuleDescription#methodIsEnable 36  * 37  * @param modules list of configured modules 38  */ 39  public JsonRpcMethodFilter(List<ModuleDescription> modules) { 40  this.modules = modules; 41  } 42  43  @Override 44  public void interceptRequest(JsonNode node) throws IOException { 45  if (node.hasNonNull(JsonRpcBasicServer.METHOD)) { 46  checkMethod(node.get(JsonRpcBasicServer.METHOD).asText()); 47  } 48  } 49  50  private void checkMethod(String methodName) throws IOException { 51  for (ModuleDescription module: this.modules) { 52  if (module.methodIsEnable(methodName)) { 53  return; 54  } 55  } 56  57  throw new IOException("Method not supported: " + methodName); 58  } 59 }