1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16
17 package io.netty.handler.codec.sctp;
18
19 import io.netty.channel.sctp.SctpMessage;
20 import io.netty.handler.codec.CodecException;
21 import io.netty.handler.codec.MessageToMessageDecoder;
22
23 public abstract class SctpMessageToMessageDecoder extends MessageToMessageDecoder<SctpMessage> {
24
25 @Override
26 public boolean acceptInboundMessage(Object msg) throws Exception {
27 if (msg instanceof SctpMessage) {
28 SctpMessage sctpMsg = (SctpMessage) msg;
29 if (sctpMsg.isComplete()) {
30 return true;
31 }
32
33 throw new CodecException(String.format("Received SctpMessage is not complete, please add %s in " +
34 "the pipeline before this handler", SctpMessageCompletionHandler.class.getSimpleName()));
35 } else {
36 return false;
37 }
38 }
39 }