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 *
 * Copyright (c) 2005-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
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package javax.xml.ws.handler;

import javax.xml.ws.ProtocolException;

/** The {@code Handler} interface
 *  is the base interface for JAX-WS handlers.
 *
 * @param  message context
 *  @since 1.6, JAX-WS 2.0
**/
public interface Handler {

  /** The {@code handleMessage} method is invoked for normal processing
   *  of inbound and outbound messages. Refer to the description of the handler
   *  framework in the JAX-WS specification for full details.
   *
   *  @param context the message context.
   *  @return An indication of whether handler processing should continue for
   *  the current message
   *                 
   *                 Return {@code true} to continue
   *                     processing.
   *                 Return {@code false} to block
   *                     processing.
   *                  
   *  @throws RuntimeException Causes the JAX-WS runtime to cease
   *    handler processing and generate a fault.
   *  @throws ProtocolException Causes the JAX-WS runtime to switch to
   *    fault message processing.
  **/
  public boolean handleMessage(C context);

  /** The {@code handleFault} method is invoked for fault message
   *  processing.  Refer to the description of the handler
   *  framework in the JAX-WS specification for full details.
   *
   *  @param context the message context
   *  @return An indication of whether handler fault processing should continue
   *  for the current message
   *                 
   *                 Return {@code true} to continue
   *                     processing.
   *                 Return {@code false} to block
   *                     processing.
   *                  
   *  @throws RuntimeException Causes the JAX-WS runtime to cease
   *    handler fault processing and dispatch the fault.
   *  @throws ProtocolException Causes the JAX-WS runtime to cease
   *    handler fault processing and dispatch the fault.
  **/
  public boolean handleFault(C context);

  /**
   * Called at the conclusion of a message exchange pattern just prior to
   * the JAX-WS runtime dispatching a message, fault or exception.  Refer to
   * the description of the handler
   * framework in the JAX-WS specification for full details.
   *
   * @param context the message context
  **/
  public void close(MessageContext context);
}