gistfile1.txt

package com.company;

/*
Simple TLS1.2 HTTP client for use in java 1.7 

Uses Apache libraries:

httpclient-4.5.2.jar
httpcore-4.4.5.jar
commons-codec-1.10.jar
commons-logging-1.2.jar
 */

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

import javax.net.ssl.SSLContext;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;

public class Main {

    public static void main(String[] args) throws KeyManagementException, NoSuchAlgorithmException, IOException {

        SSLContext sslContext = sslContext = SSLContexts.custom()
                    .useTLS()
                    .build();

        SSLConnectionSocketFactory f = new SSLConnectionSocketFactory(
                sslContext,
                new String[]{"TLSv1.2"},
                null,
                new NoopHostnameVerifier());

        CloseableHttpClient httpClient = HttpClients.custom()
                .setSSLSocketFactory(f)
                .build();

        HttpGet request = new HttpGet("https://.....");
        CloseableHttpResponse response = httpClient.execute(request);

        System.out.println("response: "+response);
        System.out.println("----------------------------------------");
        System.out.println(response.getStatusLine());

        BufferedReader reader = new BufferedReader(new InputStreamReader(
                response.getEntity().getContent()));

        String inputLine;
        StringBuffer responseJson = new StringBuffer();

        while ((inputLine = reader.readLine()) != null) {
            responseJson.append(inputLine);
        }
        reader.close();

        System.out.println(responseJson.toString());

        httpClient.close();

    }
}