Enumeration<?> names = request.getParameterNames();
while( names.hasMoreElements()) {
String key = (String)names.nextElement();
if (key.startsWith("PublicIp")) {
String[] value = request.getParameterValues( key );
if (null != value && 0 < value.length) ec2Request.addPublicIp( value[0] );
}
}
// -> execute the request
EC2Engine engine = ServiceProvider.getInstance().getEC2Engine();
serializeResponse(response, EC2SoapServiceImpl.toDescribeAddressesResponse( engine.describeAddresses( ec2Request)));