/*
* 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.registry.pages;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import com.alibaba.dubbo.common.Extension;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.utils.NetUtils;
import com.alibaba.dubbo.container.page.Menu;
import com.alibaba.dubbo.container.page.Page;
import com.alibaba.dubbo.container.page.PageHandler;
import com.alibaba.dubbo.registry.Registry;
import com.alibaba.dubbo.registry.support.AbstractRegistry;
import com.alibaba.dubbo.registry.support.AbstractRegistryFactory;
/**
* RegistriesPageHandler
*
* @author william.liangf
*/
@Menu(name = "Registries", desc = "Show connected registries.", order = 10000)
@Extension("registries")
public class RegistriesPageHandler implements PageHandler {
public Page handle(URL url) {
List<List<String>> rows = new ArrayList<List<String>>();
Collection<Registry> registries = AbstractRegistryFactory.getRegistries();
int registeredCount = 0;
int subscribedCount = 0;
if (registries != null && registries.size() > 0) {
for (Registry registry : registries) {
String server = registry.getUrl().getAddress();
List<String> row = new ArrayList<String>();
row.add(NetUtils.getHostName(server) + "/" + server);
if (registry.isAvailable()) {
row.add("<font color=\"green\">Connected</font>");
} else {
row.add("<font color=\"red\">Disconnected</font>");
}
int registeredSize = 0;
int subscribedSize = 0;
if (registry instanceof AbstractRegistry) {
registeredSize = ((AbstractRegistry) registry).getRegistered().size();
registeredCount += registeredSize;
subscribedSize = ((AbstractRegistry) registry).getSubscribed().size();
subscribedCount += subscribedSize;
}
row.add("<a href=\"registered.html?registry=" + server + "\">Registered(" + registeredSize + ")</a>");
row.add("<a href=\"subscribed.html?registry=" + server + "\">Subscribed(" + subscribedSize + ")</a>");
rows.add(row);
}
}
return new Page("Registries", "Registries (" + rows.size() + ")",
new String[] { "Registry Address:", "Status", "Registered(" + registeredCount + ")", "Subscribed(" + subscribedCount + ")" }, rows);
}
}