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Java

EC2 Stop Instances

See more Amazon EC2 Examples

Demonstrates how to send a request to stop Amazon EC2 instances.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.AuthAws;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Rest;
import com.chilkatsoft.chilkat2.Xml;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Rest rest = new Rest();

        // Connect to the Amazon AWS server.
        // such as https://ec2.amazonaws.com/
        boolean bTls = true;
        int port = 443;
        boolean bAutoReconnect = true;
        rest.connect("ec2.us-west-2.amazonaws.com", port, bTls, bAutoReconnect);

        // Provide AWS credentials for the REST call.
        AuthAws authAws = new AuthAws();
        authAws.setAccessKey("AWS_ACCESS_KEY");
        authAws.setSecretKey("AWS_SECRET_KEY");
        // the region should match the region part of the domain passed to the REST connect method (above).
        authAws.setRegion("us-west-2");
        authAws.setServiceName("ec2");

        rest.setAuthAws(authAws);

        rest.addQueryParam("Action", "StopInstances");
        rest.addQueryParam("Version", "2016-11-15");
        // If DryRun is true then checks whether you have the required permissions for the action,
        // without actually making the request, and provides an error response. If you have the required permissions,
        // the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.
        // Omit the DryRun query parameter to actually start the instance.  (Or set DryRun equal to "false")
        rest.addQueryParam("DryRun", "true");
        rest.addQueryParam("InstanceId.1", "i-999719995399c9999");

        // See EC2 Stop Instances Reference Documentation
        // for more information about the Force and Hibernate query params, which are optional and true/false just like DryRun.

        String responseXml;
        try {
            responseXml = rest.fullRequestNoBody("GET", "/");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // A successful response will have a status code equal to 200.
        if (rest.getResponseStatusCode() != 200) {
            System.out.println("response status code = " + rest.getResponseStatusCode());
            System.out.println("response status text = " + rest.getResponseStatusText());
            System.out.println("response header: " + rest.getResponseHeader());
            System.out.println("response body: " + responseXml);
            return;
        }

        // Examine the successful XML response.
        Xml xml = new Xml();
        xml.loadXml(responseXml);
        System.out.println(xml.getXml());
    }
}