/** * Copyright 2015 Santhosh Kumar Tekuri * * The JLibs authors license this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package jlibs.wamp4j.msg; import com.fasterxml.jackson.databind.node.ArrayNode; import com.fasterxml.jackson.databind.node.ObjectNode; import jlibs.wamp4j.error.InvalidMessageException; import static jlibs.wamp4j.Util.nonNull; /** * A Callee announces the availability of an endpoint implementing * a procedure with a Dealer by sending a REGISTER message * * @author Santhosh Kumar Tekuri */ public class RegisterMessage extends RequestMessage{ public static final int ID = 64; /** * random, ephemeral ID chosen by the Subscriber and used to correlate the Broker's response with the request */ public final long requestID; /** * a dictionary that allows to provide additional registration request details in a extensible way */ public final ObjectNode options; /** * the procedure the Callee wants to register */ public final String procedure; public RegisterMessage(long requestID, ObjectNode options, String procedure){ this.requestID = requestID; this.options = options; this.procedure = nonNull(procedure, "null procedure"); } @Override public int getID(){ return ID; } @Override public long getRequestID(){ return requestID; } @Override public void toArrayNode(ArrayNode array){ array.add(idNodes[ID]); array.add(requestID); array.add(objectNode(options)); array.add(procedure); } static final Decoder decoder = new Decoder(){ @Override public WAMPMessage decode(ArrayNode array) throws InvalidMessageException{ if(array.size()!=4) throw new InvalidMessageException(); assert id(array)==ID; return new RegisterMessage(longValue(array, 1), objectValue(array, 2), textValue(array, 3)); } }; }