/*
* 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.lang.reflect.Method;
import org.apache.mina.common.DefaultIoFilterChainBuilder;
import org.apache.mina.common.ExecutorThreadModel;
import org.apache.mina.common.IoFilterChainBuilder;
import org.apache.mina.common.IoServiceConfig;
import org.apache.mina.common.ThreadModel;
/**
* A base implementation of {@link IoServiceConfig}.
*
* @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 BaseIoServiceConfig implements IoServiceConfig, Cloneable {
/**
* Current filter chain builder.
*/
private IoFilterChainBuilder filterChainBuilder = new DefaultIoFilterChainBuilder();
/**
* The default thread model.
*/
private final ThreadModel defaultThreadModel = ExecutorThreadModel
.getInstance("AnonymousIoService");
/**
* Current thread model.
*/
private ThreadModel threadModel = defaultThreadModel;
public BaseIoServiceConfig() {
super();
}
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 ThreadModel getThreadModel() {
return threadModel;
}
public void setThreadModel(ThreadModel threadModel) {
if (threadModel == null) {
// We reuse the previous default model to prevent too much
// daemon threads are created.
threadModel = defaultThreadModel;
}
this.threadModel = threadModel;
}
@Override
public Object clone() {
BaseIoServiceConfig ret;
try {
ret = (BaseIoServiceConfig) super.clone();
} catch (CloneNotSupportedException e) {
throw (InternalError) new InternalError().initCause(e);
}
// Try to clone the chain builder.
try {
Method cloneMethod = this.filterChainBuilder.getClass().getMethod(
"clone");
if (cloneMethod.isAccessible()) {
ret.filterChainBuilder = (IoFilterChainBuilder) cloneMethod
.invoke(this.filterChainBuilder);
}
} catch (Exception e) {
// uncloneable
}
return ret;
}
}