elbDeregister.java

package org.xmlsh.aws;

import java.io.IOException;
import java.util.List;

import javax.xml.stream.XMLStreamException;

import net.sf.saxon.s9api.SaxonApiException;

import org.xmlsh.aws.util.AWSELBCommand;
import org.xmlsh.core.CoreException;
import org.xmlsh.core.Options;
import org.xmlsh.core.OutputPort;
import org.xmlsh.core.UnexpectedException;
import org.xmlsh.core.XValue;

import com.amazonaws.services.elasticloadbalancing.model.DeregisterInstancesFromLoadBalancerRequest;
import com.amazonaws.services.elasticloadbalancing.model.DeregisterInstancesFromLoadBalancerResult;
import com.amazonaws.services.elasticloadbalancing.model.Instance;


public class elbDeregister<x> extends AWSELBCommand {



    /**
     * @param args
     * @throws IOException 
     */
    @Override
    public int run(List<XValue> args) throws Exception {


        Options opts = getOptions();
        parseOptions(opts, args);

        args = opts.getRemainingArgs();

        setSerializeOpts(this.getSerializeOpts(opts));
        if( args.size()  < 2 ){ 
            usage();
            return -1;
        }

        String elb = args.remove(0).toString();

        try {
            getELBClient(opts);
        } catch (UnexpectedException e) {
            usage( e.getLocalizedMessage() );
            return 1;

        }

        int ret = deregister( elb , args );


        return ret;


    }



    private int deregister(String elb, List<XValue> args) throws XMLStreamException, IOException, SaxonApiException, CoreException {


        OutputPort stdout = getStdout();
        mWriter = stdout.asXMLStreamWriter(getSerializeOpts());

        startDocument();
        startElement(getName());


        DeregisterInstancesFromLoadBalancerRequest request = new DeregisterInstancesFromLoadBalancerRequest(elb , instances(args));
        traceCall("deregisterInstancesFromLoadBalancer");
        DeregisterInstancesFromLoadBalancerResult result = mAmazon.deregisterInstancesFromLoadBalancer(request);
        for( Instance instance : result.getInstances()){

            startElement("instance");
            attribute( "instance-id" , instance.getInstanceId());
            endElement();

        }






        endElement();
        endDocument();
        closeWriter();		


        return 0;


    }



    @Override
    public void usage() {
        super.usage();
    }





}