/*
* 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.URL;
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;
/**
* ApplicationsPageHandler
*
* @author william.liangf
*/
@Menu(name = "Applications", desc = "Show application dependencies.", order = 1000)
public class ApplicationsPageHandler implements PageHandler {
public Page handle(URL url) {
Set<String> applications = RegistryContainer.getInstance().getApplications();
List<List<String>> rows = new ArrayList<List<String>>();
int providersCount = 0;
int consumersCount = 0;
int efferentCount = 0;
int afferentCount = 0;
if (applications != null && applications.size() > 0) {
for (String application : applications) {
List<String> row = new ArrayList<String>();
row.add(application);
List<URL> providers = RegistryContainer.getInstance().getProvidersByApplication(application);
List<URL> consumers = RegistryContainer.getInstance().getConsumersByApplication(application);
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("owner", "") + (provider.hasParameter("organization") ? " (" + provider.getParameter("organization") + ")" : ""));
} else {
row.add("");
}
int providersSize = providers == null ? 0 : providers.size();
providersCount += providersSize;
row.add(providersSize == 0 ? "<font color=\"blue\">No provider</font>" : "<a href=\"providers.html?application=" + application + "\">Providers(" + providersSize + ")</a>");
int consumersSize = consumers == null ? 0 : consumers.size();
consumersCount += consumersSize;
row.add(consumersSize == 0 ? "<font color=\"blue\">No consumer</font>" : "<a href=\"consumers.html?application=" + application + "\">Consumers(" + consumersSize + ")</a>");
Set<String> efferents = RegistryContainer.getInstance().getDependencies(application, false);
int efferentSize = efferents == null ? 0 : efferents.size();
efferentCount += efferentSize;
row.add(efferentSize == 0 ? "<font color=\"blue\">No dependency</font>" : "<a href=\"dependencies.html?application=" + application + "\">Depends On(" + efferentSize + ")</a>");
Set<String> afferents = RegistryContainer.getInstance().getDependencies(application, true);
int afferentSize = afferents == null ? 0 : afferents.size();
afferentCount += afferentSize;
row.add(afferentSize == 0 ? "<font color=\"blue\">No used</font>" : "<a href=\"dependencies.html?application=" + application + "&reverse=true\">Used By(" + afferentSize + ")</a>");
rows.add(row);
}
}
return new Page("Applications", "Applications (" + rows.size() + ")",
new String[] { "Application Name:", "Owner", "Providers(" + providersCount + ")", "Consumers(" + consumersCount + ")", "Depends On(" + efferentCount + ")", "Used By(" + afferentCount + ")" }, rows);
}
}