Examples of using proxies with AWS Java SDK

ExplicitProxyV1.java

//
// This code has been released into the public domain by the author.
// It may be used or modified without attribution. and is distributed
// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
// either express or implied.
//
package com.kdgregory.sandbox.aws;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.services.securitytoken.AWSSecurityTokenService;
import com.amazonaws.services.securitytoken.AWSSecurityTokenServiceClientBuilder;
import com.amazonaws.services.securitytoken.model.GetCallerIdentityRequest;
import com.amazonaws.services.securitytoken.model.GetCallerIdentityResult;


/**
 *  Retrieves the caller's identity using an explicit proxy server.
 */
public class ExplicitProxyV1
{
    public static void main(String[] argv)
    throws Exception
    {
        ClientConfiguration config = new ClientConfiguration()
                             .withProxyProtocol(Protocol.HTTP)
                             .withProxyHost("localhost")
                             .withProxyPort(3128)
                             .withNonProxyHosts("169.254.169.254");

        AWSSecurityTokenService client = AWSSecurityTokenServiceClientBuilder.standard()
                                         .withClientConfiguration(config)
                                         .build();

        GetCallerIdentityRequest request = new GetCallerIdentityRequest();
        GetCallerIdentityResult response = client.getCallerIdentity(request);

        System.out.println("account: " + response.getAccount());
        System.out.println("user id: " + response.getUserId());
        System.out.println("arn:     " + response.getArn());
    }
}

ExplicitProxyV2.java

//
// This code has been released into the public domain by the author.
// It may be used or modified without attribution. and is distributed
// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
// either express or implied.
//
package com.kdgregory.sandbox.awsv2;

import java.net.URI;

import software.amazon.awssdk.http.apache.ApacheHttpClient;
import software.amazon.awssdk.http.apache.ProxyConfiguration;
import software.amazon.awssdk.services.sts.StsClient;
import software.amazon.awssdk.services.sts.model.*;


/**
 *  Retrieves the caller's identity using an explicit proxy server with the
 *  Apache HTTP client.
 */
public class ExplicitProxyV2
{
    public static void main(String[] argv)
    throws Exception
    {
        ProxyConfiguration config = ProxyConfiguration.builder()
                                    .endpoint(new URI("http://localhost:3128"))
                                    .addNonProxyHost("169.254.169.254")
                                    .useSystemPropertyValues(Boolean.FALSE)
                                    .build();

        ApacheHttpClient.Builder clientBuilder = ApacheHttpClient.builder()
                                                 .proxyConfiguration(config);

        StsClient client = StsClient.builder()
                           .httpClientBuilder(clientBuilder)
                           .build();

        GetCallerIdentityRequest request = GetCallerIdentityRequest.builder().build();
        GetCallerIdentityResponse response = client.getCallerIdentity(request);

        System.out.println("account: " + response.account());
        System.out.println("user id: " + response.userId());
        System.out.println("arn:     " + response.arn());
    }
}