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package com.ssszm;

/**
 *
 * @author seelespirit
 */
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
import java.net.*;

public class Http {
    private static MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
    // Since the Configuration has not yet been setted,
    // then an unconfigured client is returned.
    private static HttpClient httpClient = new HttpClient(connectionManager);
    private static Http http;

    public static synchronized HttpClient getClient() {
        return httpClient;
    }

    private Http(String url) {
        configureClient(url);
    }

    public static Http getInstance(String url) {
        http = new Http(url);
        return http;
    }

    private void configureClient(String url) {
        int maxThreadsTotal = 300;
        int maxThreadsPerHost = 100;
        
        HttpConnectionManagerParams params = connectionManager.getParams();
        params.setConnectionTimeout(20 * 1000);
        params.setSoTimeout(20 * 1000);
        // params.setSendBufferSize(BUFFER_SIZE);
        // params.setReceiveBufferSize(BUFFER_SIZE);
        params.setMaxTotalConnections(maxThreadsTotal);
        if (maxThreadsTotal > maxThreadsPerHost) {
        params.setDefaultMaxConnectionsPerHost(maxThreadsPerHost);
        } else {
        params.setDefaultMaxConnectionsPerHost(maxThreadsTotal);
        }

        String host = "";
        int port = 80;
        try{
            URL targetUrl = new URL(url);
            host = targetUrl.getHost();
            port = (targetUrl.getPort() == -1)?80:targetUrl.getPort();
        }catch(MalformedURLException ex){
            System.out.println("ERROR PAGE:" + url);
            System.out.println(ex.toString());
        }
        httpClient.getHostConfiguration().setHost(host,port,"http");
    }
}