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package javax.xml.ws.handler.soap;

import javax.xml.namespace.QName;
import javax.xml.ws.handler.Handler;
import java.util.Set;

The SOAPHandler class extends Handler to provide typesafety for the message context parameter and add a method to obtain access to the headers that may be processed by the handler. 
Type parameters:
<T> – message context
 @since 1.6, JAX-WS 2.0/** The {@code SOAPHandler} class extends {@code Handler}
 *  to provide typesafety for the message context parameter and add a method
 *  to obtain access to the headers that may be processed by the handler.
 *
 * @param <T> message context
 *  @since 1.6, JAX-WS 2.0
**/
public interface SOAPHandler<T extends SOAPMessageContext>
    extends Handler<T> {

  
Gets the header blocks that can be processed by this Handler instance. @return Set of QNames of header blocks processed by this handler instance. QName is the qualified name of the outermost element of the Header block. /** Gets the header blocks that can be processed by this Handler
   *  instance.
   *
   *  @return Set of {@code QNames} of header blocks processed by this
   *           handler instance. {@code QName} is the qualified
   *           name of the outermost element of the Header block.
  **/
  Set<QName> getHeaders();
}