Versions.java

/*
 * Copyright 1999-2101 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.governance.web.sysinfo.module.screen;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.springframework.beans.factory.annotation.Autowired;

import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.governance.service.ConsumerService;
import com.alibaba.dubbo.governance.service.ProviderService;
import com.alibaba.dubbo.governance.web.common.module.screen.Restful;
import com.alibaba.dubbo.registry.common.domain.Consumer;
import com.alibaba.dubbo.registry.common.domain.Provider;

/**
 * @author tony.chenl
 */
public class Versions extends Restful {
    @Autowired
    private ProviderService providerService;
    
    @Autowired
    private ConsumerService consumerService;
    
    public void index(Map<String, Object> context) {
        List<Provider> providers = providerService.findAll();
        List<Consumer> consumers = consumerService.findAll();
        Set<String> parametersSet = new HashSet<String>();
        for (Provider provider : providers) {
            parametersSet.add(provider.getParameters());
        }
        for (Consumer consumer : consumers) {
            parametersSet.add(consumer.getParameters());
        }
        Map<String, Set<String>> versions = new HashMap<String, Set<String>>();
        Iterator<String> temp = parametersSet.iterator();
        while (temp.hasNext()) {
            Map<String, String> parameter = StringUtils.parseQueryString(temp.next());
            if (parameter != null) {
                String dubbo = parameter.get("dubbo");
                if(dubbo == null) dubbo = "0.0.0";
                String application = parameter.get("application");
                if (versions.get(dubbo) == null) {
                    Set<String> apps = new HashSet<String>();
                    versions.put(dubbo, apps);
                }
                versions.get(dubbo).add(application);
            }
        }
        context.put("versions", versions);
    }

    public void show(Long[] ids, Map<String, Object> context) {
        String version =(String)context.get("version");
        if (version != null && version.length() > 0) {
            List<Provider> providers = providerService.findAll();
            List<Consumer> consumers = consumerService.findAll();
            Set<String> parametersSet = new HashSet<String>();
            Set<String> applications = new HashSet<String>();
            for (Provider provider : providers) {
                parametersSet.add(provider.getParameters());
            }
            for (Consumer consumer : consumers) {
                parametersSet.add(consumer.getParameters());
            }
            Iterator<String> temp = parametersSet.iterator();
            while (temp.hasNext()) {
                Map<String, String> parameter = StringUtils.parseQueryString(temp.next());
                if (parameter != null) {
                    String dubbo = parameter.get("dubbo");
                    if(dubbo == null) dubbo = "0.0.0";
                    String application = parameter.get("application");
                    if (version.equals(dubbo)) {
                        applications.add(application);
                    }
                }
            }
            context.put("applications", applications);
        }
    }

}