/*
* 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.monitor.simple.pages;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import com.alibaba.dubbo.common.Constants;
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.monitor.simple.RegistryContainer;
/**
* HostsPageHandler
*
* @author william.liangf
*/
@Menu(name = "Hosts", desc = "Show provider and consumer hosts", order = 3000)
public class HostsPageHandler implements PageHandler {
public Page handle(URL url) {
List<List<String>> rows = new ArrayList<List<String>>();
Set<String> hosts = RegistryContainer.getInstance().getHosts();
int providersCount = 0;
int consumersCount = 0;
if (hosts != null && hosts.size() > 0) {
for (String host : hosts) {
List<String> row = new ArrayList<String>();
row.add(NetUtils.getHostName(host) + "/" + host);
List<URL> providers = RegistryContainer.getInstance().getProvidersByHost(host);
List<URL> consumers = RegistryContainer.getInstance().getConsumersByHost(host);
if (providers != null && providers.size() > 0
|| consumers != null && consumers.size() > 0) {
URL provider = (providers != null && providers.size() > 0 ? providers.iterator().next() : consumers.iterator().next());
row.add(provider.getParameter(Constants.APPLICATION_KEY, ""));
row.add(provider.getParameter("owner", "") + (provider.hasParameter("organization") ? " (" + provider.getParameter("organization") + ")" : ""));
} else {
row.add("");
row.add("");
}
int proviedSize = providers == null ? 0 : providers.size();
providersCount += proviedSize;
row.add(proviedSize == 0 ? "<font color=\"blue\">No provider</font>" : "<a href=\"providers.html?host=" + host + "\">Providers(" + proviedSize + ")</a>");
int consumersSize = consumers == null ? 0 : consumers.size();
consumersCount += consumersSize;
row.add(consumersSize == 0 ? "<font color=\"blue\">No consumer</font>" : "<a href=\"consumers.html?host=" + host + "\">Consumers(" + consumersSize + ")</a>");
rows.add(row);
}
}
return new Page("Hosts", "Hosts (" + rows.size() + ")",
new String[] { "Host Name/IP:", "Application", "Owner", "Providers(" + providersCount + ")", "Consumers(" + consumersCount + ")" }, rows);
}
}