/* | |
* 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.rpc.protocol.dubbo.page; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.List; | |
import com.alibaba.dubbo.common.URL; | |
import com.alibaba.dubbo.common.utils.NetUtils; | |
import com.alibaba.dubbo.container.page.Page; | |
import com.alibaba.dubbo.container.page.PageHandler; | |
import com.alibaba.dubbo.remoting.exchange.ExchangeChannel; | |
import com.alibaba.dubbo.remoting.exchange.ExchangeServer; | |
import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol; | |
/** | |
* ClientsPageHandler | |
* | |
* @author william.liangf | |
*/ | |
public class ClientsPageHandler implements PageHandler { | |
public Page handle(URL url) { | |
String port = url.getParameter("port"); | |
int p = port == null || port.length() == 0 ? 0 : Integer.parseInt(port); | |
Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers(); | |
ExchangeServer server = null; | |
StringBuilder select = new StringBuilder(); | |
if (servers != null && servers.size() > 0) { | |
if (servers.size() == 1) { | |
server = servers.iterator().next(); | |
String address = server.getUrl().getAddress(); | |
select.append(" > " + NetUtils.getHostName(address) + "/" + address); | |
} else { | |
select.append(" > <select onchange=\"window.location.href='clients.html?port=' + this.value;\">"); | |
for (ExchangeServer s : servers) { | |
int sp = s.getUrl().getPort(); | |
select.append("<option value=\">"); | |
select.append(sp); | |
if (p == 0 && server == null || p == sp) { | |
server = s; | |
select.append("\" selected=\"selected"); | |
} | |
select.append("\">"); | |
select.append(s.getUrl().getAddress()); | |
select.append("</option>"); | |
} | |
select.append("</select>"); | |
} | |
} | |
List<List<String>> rows = new ArrayList<List<String>>(); | |
if (server != null) { | |
Collection<ExchangeChannel> channels = server.getExchangeChannels(); | |
for (ExchangeChannel c : channels) { | |
List<String> row = new ArrayList<String>(); | |
String address = NetUtils.toAddressString(c.getRemoteAddress()); | |
row.add(NetUtils.getHostName(address) + "/" + address); | |
rows.add(row); | |
} | |
} | |
return new Page("<a href=\"servers.html\">Servers</a>" + select.toString() + " > Clients", "Clients (" + rows.size() + ")", new String[]{"Client Address:"}, rows); | |
} | |
} |