/* ContextHandler.java --
   Copyright (C) 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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General Public License for more details.

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02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package gnu.CORBA.GIOP;

import org.omg.CORBA.BAD_INV_ORDER;

/**
 * A header, supporting the service contexts. Such header has a context field
 * and methods for adding the new contexts.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class ContextHandler
{

  /**
   * Empty array, indicating that no service context is available.
   */
  protected static final ServiceContext[] NO_CONTEXT = new ServiceContext[0];

  /**
   * The context data.
   */
  public ServiceContext[] service_context = NO_CONTEXT;

  /**
   * Add service context to this header.
   *
   * @param context_to_add context to add.
   * @param replace if true, the existing context with this ID is replaced.
   * Otherwise, BAD_INV_ORDER is throwsn.
   */
  public void addContext(org.omg.IOP.ServiceContext context_to_add,
    boolean replace)
    throws BAD_INV_ORDER
  {
    service_context = ServiceContext.add(service_context, context_to_add,
      replace);
  }
}