Package net.zschech.gwt.comet.client

Examples of net.zschech.gwt.comet.client.CometException

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            listener.onError(e, true);
          }
        }
        break;
      default:
        listener.onError(new CometException("Invalid message received: " + message), true);
      }
    }
   
    listener.onMessage(messages);
  }
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    body = null;
    if (expectingDisconnection) {
      listener.onDisconnected();
    }
    else {
      listener.onError(new CometException("Unexpected disconnection"), false);
    }
  }
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  protected void disconnected() {
    if (expectingDisconnection) {
      listener.onDisconnected();
    }
    else {
      listener.onError(new CometException("Unexpected disconnection"), false);
    }
  }
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    }
  }
 
  protected void parse(String message, List<Serializable> messages) {
    if (expectingDisconnection) {
      listener.onError(new CometException("Expecting disconnection but received message: " + message), true);
    }
    else if (message.isEmpty()) {
      listener.onError(new CometException("Invalid empty message received"), true);
    }
    else {
      char c = message.charAt(0);
      switch (c) {
      case '!':
        String heartbeatParameter = message.substring(1);
        try {
          listener.onConnected(Integer.parseInt(heartbeatParameter));
        }
        catch (NumberFormatException e) {
          listener.onError(new CometException("Unexpected heartbeat parameter: " + heartbeatParameter), true);
        }
        break;
      case '?':
        // clean disconnection
        expectingDisconnection = true;
        break;
      case '#':
        listener.onHeartbeat();
        break;
      case '@':
        listener.onRefresh();
        break;
      case '*':
        // ignore padding
        break;
      case '|':
        messages.add(message.substring(1));
        break;
      case ']':
        messages.add(unescape(message.substring(1)));
        break;
      case '[':
      case 'R':
      case 'r':
      case 'f':
        CometSerializer serializer = client.getSerializer();
        if (serializer == null) {
          listener.onError(new SerializationException("Can not deserialize message with no serializer: " + message), true);
        }
        else {
          try {
            messages.add(serializer.parse(message));
          }
          catch (SerializationException e) {
            listener.onError(e, true);
          }
        }
        break;
      default:
        if (c >= '0' && c <= '9') {
          // error codes
          expectingDisconnection = true;
          try {
            int statusCode;
            String statusMessage;
            int index = message.indexOf(' ');
            if (index == -1) {
              statusCode = Integer.parseInt(message);
              statusMessage = null;
            }
            else {
              statusCode = Integer.parseInt(message.substring(0, index));
              statusMessage = unescape(message.substring(index + 1));
            }
            listener.onError(new StatusCodeException(statusCode, statusMessage), false);
          }
          catch (NumberFormatException e) {
            listener.onError(new CometException("Unexpected status code: " + message), false);
          }
          break;
        }
        else {
          listener.onError(new CometException("Invalid message received: " + message), true);
        }
      }
    }
  }
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        if (connected) {
          disconnected();
        }
      }
      else {
        listener.onError(new CometException("EventSource error"), connected);
      }
    }
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            listener.onError(e, true);
          }
        }
        break;
      default:
        listener.onError(new CometException("Invalid message received: " + message), true);
      }
    }
   
    listener.onMessage(messages);
  }
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    body = null;
    if (expectingDisconnection) {
      listener.onDisconnected();
    }
    else {
      listener.onError(new CometException("Unexpected disconnection"), false);
    }
  }
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  protected void disconnected() {
    if (expectingDisconnection) {
      listener.onDisconnected();
    }
    else {
      listener.onError(new CometException("Unexpected disconnection"), false);
    }
  }
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    }
  }
 
  protected void parse(String message, List<Serializable> messages) {
    if (expectingDisconnection) {
      listener.onError(new CometException("Expecting disconnection but received message: " + message), true);
    }
    else if (message.isEmpty()) {
      listener.onError(new CometException("Invalid empty message received"), true);
    }
    else {
      char c = message.charAt(0);
      switch (c) {
      case '!':
        String hertbeatParameter = message.substring(1);
        try {
          listener.onConnected(Integer.parseInt(hertbeatParameter));
        }
        catch (NumberFormatException e) {
          listener.onError(new CometException("Unexpected heartbeat parameter: " + hertbeatParameter), true);
        }
        break;
      case '?':
        // clean disconnection
        expectingDisconnection = true;
        break;
      case '#':
        listener.onHeartbeat();
        break;
      case '@':
        listener.onRefresh();
        break;
      case '*':
        // ignore padding
        break;
      case '|':
        messages.add(message.substring(1));
        break;
      case ']':
        messages.add(unescape(message.substring(1)));
        break;
      case '[':
      case 'R':
      case 'r':
      case 'f':
        CometSerializer serializer = client.getSerializer();
        if (serializer == null) {
          listener.onError(new SerializationException("Can not deserialize message with no serializer: " + message), true);
        }
        else {
          try {
            messages.add(serializer.parse(message));
          }
          catch (SerializationException e) {
            listener.onError(e, true);
          }
        }
        break;
      default:
        if (c >= '0' && c <= '9') {
          expectingDisconnection = true;
          try {
            int statusCode;
            String statusMessage;
            int index = message.indexOf(' ');
            if (index == -1) {
              statusCode = Integer.parseInt(message);
              statusMessage = null;
            }
            else {
              statusCode = Integer.parseInt(message.substring(0, index));
              statusMessage = unescape(message.substring(index + 1));
            }
            listener.onError(new StatusCodeException(statusCode, statusMessage), false);
          }
          catch (NumberFormatException e) {
            listener.onError(new CometException("Unexpected status code: " + message), false);
          }
          break;
        }
        else {
          listener.onError(new CometException("Invalid message received: " + message), true);
        }
      }
    }
  }
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Related Classes of net.zschech.gwt.comet.client.CometException

  • net.zschech.gwt.comet.client.impl.EventSourceCometTransport$EventSourceHandler
  • net.zschech.gwt.comet.client.impl.IEHTMLFileCometTransport
  • net.zschech.gwt.comet.client.impl.RawDataCometTransport
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