com.homeadvisor.kafdrop.controller.ClusterController.java Source code

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Here is the source code for com.homeadvisor.kafdrop.controller.ClusterController.java

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/*
 * Copyright 2016 HomeAdvisor, Inc.
 *
 * 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.homeadvisor.kafdrop.controller;

import com.homeadvisor.kafdrop.config.CuratorConfiguration;
import com.homeadvisor.kafdrop.service.BrokerNotFoundException;
import com.homeadvisor.kafdrop.service.KafkaMonitor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.Collection;
import java.util.Collections;

@Controller
public class ClusterController {
    @Autowired
    private KafkaMonitor kafkaMonitor;

    @Autowired
    private CuratorConfiguration.ZookeeperProperties zookeeperProperties;

    @RequestMapping("/")
    public String allBrokers(Model model) {
        model.addAttribute("zookeeper", zookeeperProperties);
        model.addAttribute("brokers", kafkaMonitor.getBrokers());
        model.addAttribute("topics", kafkaMonitor.getTopics());
        return "cluster-overview";
    }

    @ExceptionHandler(BrokerNotFoundException.class)
    private String brokerNotFound(Model model) {
        model.addAttribute("zookeeper", zookeeperProperties);
        model.addAttribute("brokers", Collections.emptyList());
        model.addAttribute("topics", Collections.emptyList());
        return "cluster-overview";

    }
}