/*
* Copyright 1999-2011 Alibaba Group.
*
* Licensed 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 com.alibaba.dubbo.remoting.exchange;
import com.alibaba.dubbo.common.Constants;
import com.alibaba.dubbo.common.ExtensionLoader;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.Version;
import com.alibaba.dubbo.remoting.ChannelHandler;
import com.alibaba.dubbo.remoting.RemotingException;
import com.alibaba.dubbo.remoting.exchange.support.ExchangeHandlerDispatcher;
import com.alibaba.dubbo.remoting.exchange.support.Replier;
import com.alibaba.dubbo.remoting.transport.ChannelHandlerAdapter;
/**
* Exchanger facade. (API, Static, ThreadSafe)
*
* @author william.liangf
*/
public class Exchangers {
public static ExchangeServer bind(String url, Replier<?> replier) throws RemotingException {
return bind(URL.valueOf(url), replier);
}
public static ExchangeServer bind(URL url, Replier<?> replier) throws RemotingException {
return bind(url, new ChannelHandlerAdapter(), replier);
}
public static ExchangeServer bind(String url, ChannelHandler handler, Replier<?> replier) throws RemotingException {
return bind(URL.valueOf(url), handler, replier);
}
public static ExchangeServer bind(URL url, ChannelHandler handler, Replier<?> replier) throws RemotingException {
return bind(url, new ExchangeHandlerDispatcher(replier, handler));
}
public static ExchangeServer bind(String url, ExchangeHandler handler) throws RemotingException {
return bind(URL.valueOf(url), handler);
}
public static ExchangeServer bind(URL url, ExchangeHandler handler) throws RemotingException {
if (url == null) {
throw new IllegalArgumentException("url == null");
}
if (handler == null) {
throw new IllegalArgumentException("handler == null");
}
url = url.addParameterIfAbsent(Constants.CODEC_KEY, "exchange");
return getExchanger(url).bind(url, handler);
}
public static ExchangeClient connect(String url) throws RemotingException {
return connect(URL.valueOf(url));
}
public static ExchangeClient connect(URL url) throws RemotingException {
return connect(url, new ChannelHandlerAdapter(), null);
}
public static ExchangeClient connect(String url, Replier<?> replier) throws RemotingException {
return connect(URL.valueOf(url), new ChannelHandlerAdapter(), replier);
}
public static ExchangeClient connect(URL url, Replier<?> replier) throws RemotingException {
return connect(url, new ChannelHandlerAdapter(), replier);
}
public static ExchangeClient connect(String url, ChannelHandler handler, Replier<?> replier) throws RemotingException {
return connect(URL.valueOf(url), handler, replier);
}
public static ExchangeClient connect(URL url, ChannelHandler handler, Replier<?> replier) throws RemotingException {
return connect(url, new ExchangeHandlerDispatcher(replier, handler));
}
public static ExchangeClient connect(String url, ExchangeHandler handler) throws RemotingException {
return connect(URL.valueOf(url), handler);
}
public static ExchangeClient connect(URL url, ExchangeHandler handler) throws RemotingException {
if (url == null) {
throw new IllegalArgumentException("url == null");
}
if (handler == null) {
throw new IllegalArgumentException("handler == null");
}
url = url.addParameterIfAbsent(Constants.CODEC_KEY, "exchange");
return getExchanger(url).connect(url, handler);
}
public static Exchanger getExchanger(URL url) {
String type = url.getParameter(Constants.EXCHANGER_KEY, Constants.DEFAULT_EXCHANGER);
return getExchanger(type);
}
public static Exchanger getExchanger(String type) {
return ExtensionLoader.getExtensionLoader(Exchanger.class).getExtension(type);
}
static {
// check duplicate jar package
Version.checkDuplicate(Exchangers.class);
}
private Exchangers(){
}
}