/*
* 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.common.support;
import java.net.SocketAddress;
import java.util.Set;
import org.apache.mina.common.DefaultIoFilterChainBuilder;
import org.apache.mina.common.IoFilterChainBuilder;
import org.apache.mina.common.IoService;
import org.apache.mina.common.IoServiceListener;
import org.apache.mina.common.IoSession;
/**
* Base implementation of {@link IoService}s.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (Fri, 13 Jul 2007) $
*/
public abstract class BaseIoService implements IoService {
/**
* Current filter chain builder.
*/
private IoFilterChainBuilder filterChainBuilder = new DefaultIoFilterChainBuilder();
/**
* Maintains the {@link IoServiceListener}s of this service.
*/
private final IoServiceListenerSupport listeners;
protected BaseIoService() {
this.listeners = new IoServiceListenerSupport();
}
public IoFilterChainBuilder getFilterChainBuilder() {
return filterChainBuilder;
}
public void setFilterChainBuilder(IoFilterChainBuilder builder) {
if (builder == null) {
builder = new DefaultIoFilterChainBuilder();
}
filterChainBuilder = builder;
}
public DefaultIoFilterChainBuilder getFilterChain() {
if (filterChainBuilder instanceof DefaultIoFilterChainBuilder) {
return (DefaultIoFilterChainBuilder) filterChainBuilder;
} else {
throw new IllegalStateException(
"Current filter chain builder is not a DefaultIoFilterChainBuilder.");
}
}
public void addListener(IoServiceListener listener) {
getListeners().add(listener);
}
public void removeListener(IoServiceListener listener) {
getListeners().remove(listener);
}
public Set<SocketAddress> getManagedServiceAddresses() {
return getListeners().getManagedServiceAddresses();
}
public Set<IoSession> getManagedSessions(SocketAddress serviceAddress) {
return getListeners().getManagedSessions(serviceAddress);
}
public boolean isManaged(SocketAddress serviceAddress) {
return getListeners().isManaged(serviceAddress);
}
protected IoServiceListenerSupport getListeners() {
return listeners;
}
}