| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses 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 org.apache.mina.api; |
| |
| import org.apache.mina.service.executor.IoHandlerExecutor; |
| |
| /** |
| * Handle all the I/O events generated by a {@link IoService}. |
| * <p> |
| * You should handle your business logic in an IoHandler implementation. |
| * <p> |
| * The {@link IoFilter} is dedicated to message transformation, but the IoHandler is mean to be the core of your |
| * business logic. |
| * <p> |
| * If you need to implement blocking code in your {@link IoHandler}, then you need to add a {@link IoHandlerExecutor} in |
| * the enclosing {@link IoService}. |
| */ |
| public interface IoHandler { |
| |
| /** |
| * Invoked when a connection has been opened. |
| * |
| * @param session {@link IoSession} associated with the invocation |
| */ |
| void sessionOpened(IoSession session); |
| |
| /** |
| * Invoked when a connection is closed. |
| * |
| * @param session {@link IoSession} associated with the invocation |
| */ |
| void sessionClosed(IoSession session); |
| |
| /** |
| * Invoked with the related {@link IdleStatus} when a connection becomes idle. |
| * |
| * @param session {@link IoSession} associated with the invocation |
| */ |
| void sessionIdle(IoSession session, IdleStatus status); |
| |
| /** |
| * Invoked when a message is received. |
| * |
| * @param session {@link IoSession} associated with the invocation |
| * @param message the incoming message to process |
| */ |
| void messageReceived(IoSession session, Object message); |
| |
| /** |
| * Invoked when a high level message was written to the low level O/S buffer. |
| * |
| * @param session {@link IoSession} associated with the invocation |
| * @param message the incoming message to process |
| */ |
| void messageSent(IoSession session, Object message); |
| |
| /** |
| * Invoked when a new service is activated by an {@link IoService}. |
| * |
| * @param service the {@link IoService} |
| */ |
| void serviceActivated(IoService service); |
| |
| /** |
| * Invoked when a service is inactivated by an {@link IoService}. |
| * |
| * @param service the {@link IoService} |
| */ |
| void serviceInactivated(IoService service); |
| |
| /** |
| * Invoked when any runtime exception is thrown during session processing (filters, unexpected error, etc..). |
| * |
| * @param session the session related to the exception |
| * @param cause the caught exception |
| */ |
| void exceptionCaught(IoSession session, Exception cause); |
| |
| /** |
| * Invoked for secured session when the handshake has been started. May be called |
| * several times for a single session in case of rehandshake. |
| * @param session {@link IoSession} associated with the invocation |
| */ |
| void handshakeStarted(IoSession abstractIoSession); |
| |
| /** |
| * Invoked for secured session when the handshake has been completed. May be called |
| * several times for a single session in case of rehandshake. |
| * @param session {@link IoSession} associated with the invocation |
| */ |
| void handshakeCompleted(IoSession session); |
| |
| /** |
| * Invoked for secured session when underlying SSL/TLS session has been closed. |
| * @param session {@link IoSession} associated with the invocation |
| */ |
| void secureClosed(IoSession session); |
| |
| } |