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   1 /**
   2  * Copyright (c) 2010-2022 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.homematic.internal.communicator.parser;
  14
  15 import java.io.IOException;
  16 import java.util.Map;
  17
  18 import org.openhab.binding.homematic.internal.communicator.client.UnknownParameterSetException;
  19 import org.openhab.binding.homematic.internal.communicator.client.UnknownRpcFailureException;
  20 import org.openhab.binding.homematic.internal.communicator.message.RpcRequest;
  21
  22 /**
  23  * Parses the response from a RPC call, throws exception if fault response.
  24  *
  25  * @author Gerhard Riegler - Initial contribution
  26  */
  27 public class RpcResponseParser extends CommonRpcParser<Object[], Object[]> {
  28     private RpcRequest<?> request;
  29
  30     public RpcResponseParser(RpcRequest<?> request) {
  31         this.request = request;
  32     }
  33
  34     @Override
  35     @SuppressWarnings("unchecked")
  36     public Object[] parse(Object[] message) throws IOException {
  37         if (message != null && message.length > 0) {
  38             Object responseData = message[0];
  39             if (responseData instanceof Map) {
  40                 Map<String, Object> map = (Map<String, Object>) responseData;
  41                 if (map.containsKey("faultCode")) {
  42                     Number faultCode = toNumber(map.get("faultCode"));
  43                     String faultString = toString(map.get("faultString"));
  44                     String faultMessage = String.format("%s %s (sending %s)", faultCode, faultString, request);
  45                     if (faultCode.intValue() == -1 && "Failure".equals(faultString)) {
  46                         throw new UnknownRpcFailureException(faultMessage);
  47                     } else if (faultCode.intValue() == -3 && "Unknown paramset".equals(faultString)) {
  48                         throw new UnknownParameterSetException(faultMessage);
  49                     }
  50                     throw new IOException(faultMessage);
  51                 }
  52             }
  53             return message;
  54         }
  55         throw new IOException("Unknown Result: " + message);
  56     }
  57 }