com.ebay.pulsar.metric.controller.PulsarReportingController.java Source code

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Here is the source code for com.ebay.pulsar.metric.controller.PulsarReportingController.java

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/*
Pulsar
Copyright (C) 2013-2015 eBay Software Foundation
Licensed under the GPL v2 license.  See LICENSE for full terms.
*/
package com.ebay.pulsar.metric.controller;

import java.net.URI;
import java.net.URISyntaxException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RestTemplate;

@Controller
@RequestMapping("/")
public class PulsarReportingController {

    private static String MetricServer = System.getProperty("metricserver.host") != null
            ? System.getProperty("metricserver.host")
            : "localhost";
    private static int MetricSeverPort = System.getProperty("metricserver.port") != null
            ? Integer.parseInt((System.getProperty("metricserver.port")))
            : 8083;
    private static String MetricCalculator = System.getProperty("metriccalculator.host") != null
            ? System.getProperty("metriccalculator.host")
            : "localhost";
    private static int MetricCalculatorPort = System.getProperty("metriccalculator.port") != null
            ? Integer.parseInt((System.getProperty("metriccalculator.port")))
            : 9999;
    private static String MetricCalculatorPath = "/Event/Processor/MCEPL";

    @Autowired
    private RestTemplate restTemplate;

    @RequestMapping(value = { "" }, method = RequestMethod.GET)
    public String loadIndex() {
        return "forward:/index.html";
    }

    @RequestMapping(value = { "pulsar/metric", "pulsar/counter" }, method = RequestMethod.GET)
    @ResponseBody
    public String listMetrics(HttpMethod method, HttpServletRequest request, HttpServletResponse response)
            throws URISyntaxException {
        URI uri = new URI("http", null, MetricServer, MetricSeverPort, request.getRequestURI(),
                request.getQueryString(), null);
        ResponseEntity<String> responseEntity = restTemplate.exchange(uri, method, HttpEntity.EMPTY, String.class);
        return responseEntity.getBody();
    }

    @SuppressWarnings("rawtypes")
    @RequestMapping(value = "pulsar/metriccalculator", method = RequestMethod.GET)
    public ResponseEntity viewMetricCalculator(HttpMethod method, HttpServletRequest request,
            HttpServletResponse response) throws URISyntaxException {
        URI url = new URI("http", null, MetricCalculator, MetricCalculatorPort, MetricCalculatorPath,
                request.getQueryString(), null);
        ResponseEntity<String> responseEntity = restTemplate.exchange(url, method, HttpEntity.EMPTY, String.class);
        return responseEntity;
    }

    public RestTemplate getRestTemplate() {
        return restTemplate;
    }

    public void setRestTemplate(RestTemplate restTemplate) {
        this.restTemplate = restTemplate;
    }
}