com.alibaba.dubbo.registry.pages.RegistriesPageHandler Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo2 Show documentation
The all in one project of dubbo2
The newest version!
/*
 * 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.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)
public class RegistriesPageHandler implements PageHandler {

    public Page handle(URL url) {
        List> rows = new ArrayList>();
        Collection 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 row = new ArrayList();
                row.add(NetUtils.getHostName(server) + "/" + server);
                if (registry.isAvailable()) {
                    row.add("Connected");
                } else {
                    row.add("Disconnected");
                }
                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("Registered(" + registeredSize + ")");
                row.add("Subscribed(" + subscribedSize + ")");
                rows.add(row);
            }
        }
        return new Page("Registries", "Registries (" + rows.size() + ")",
                new String[] { "Registry Address:", "Status", "Registered(" + registeredCount + ")", "Subscribed(" + subscribedCount + ")" }, rows);
    }

}