private void describeVolumes( HttpServletRequest request, HttpServletResponse response )
throws ADBException, XMLStreamException, IOException
{
EC2DescribeVolumes EC2request = new EC2DescribeVolumes();
// -> load in all the "VolumeId.n" parameters if any
Enumeration<?> names = request.getParameterNames();
while( names.hasMoreElements())
{
String key = (String)names.nextElement();
if (key.startsWith("VolumeId"))
{
String[] value = request.getParameterValues( key );
if (null != value && 0 < value.length) EC2request.addVolumeId( value[0] );
}
}
// -> are there any filters with this request?
EC2Filter[] filterSet = extractFilters( request );
if (null != filterSet)
{
EC2VolumeFilterSet vfs = new EC2VolumeFilterSet();
for( int i=0; i < filterSet.length; i++ ) vfs.addFilter( filterSet[i] );
EC2request.setFilterSet( vfs );
}
// -> execute the request
DescribeVolumesResponse EC2response = EC2SoapServiceImpl.toDescribeVolumesResponse( ServiceProvider.getInstance().getEC2Engine().handleRequest( EC2request ));
serializeResponse(response, EC2response);