package org.codehaus.xfire.soap.handler;import org.codehaus.xfire.MessageContext;import org.codehaus.xfire.XFireException;import org.codehaus.xfire.exchange.MessageSerializer;import org.codehaus.xfire.fault.XFireFault;import org.codehaus.xfire.handler.AbstractHandler;import org.codehaus.xfire.handler.Phase;import org.codehaus.xfire.soap.AbstractSoapBinding;import org.codehaus.xfire.soap.SoapSerializer;public class SoapSerializerHandler    extends AbstractHandler{        public SoapSerializerHandler()     {        super();        setPhase(Phase.POST_INVOKE);    }    /**     * Validates that the mustUnderstand and role headers are processed correctly.     *     * @param context     * @throws XFireFault     */    public void invoke(MessageContext context)        throws Exception    {        MessageSerializer serializer = context.getOutMessage().getSerializer();        if (serializer == null)        {            AbstractSoapBinding binding = (AbstractSoapBinding) context.getBinding();            if (binding == null)            {                throw new XFireException("Couldn't find the binding!");            }            serializer = AbstractSoapBinding.getSerializer(binding.getStyle(), binding.getUse());        }                context.getOutMessage().setSerializer(new SoapSerializer(serializer));    }}