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+/*************************************************************************
+ *
+ *  $RCSfile: IQueryInterface.java,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2004-03-30 16:37:45 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+package com.sun.star.uno;
+
+/**
+ * This is the delegator interface for Java objects implementing interfaces of
+ * an underlying UNO object.
+ *
+ * <p>Calls are delegated through the <code>UnoRuntime</code> to this
+ * interface.  Implement this interface in case you want to customize the
+ * behaviour of <code>UnoRuntime.queryInterface</code>.</p>
+ *
+ * @see com.sun.star.uno.UnoRuntime
+ * @since UDK 1.0
+ */
+public interface IQueryInterface {
+    /**
+     * Returns the unique object identifier (OID) of the underlying UNO object.
+     *
+     * @return the OID of the underlying object
+     */
+    String getOid();
+
+    /**
+     * Returns an object implementing the requested interface type.
+     *
+     * @param type the requested UNO interface type; must be a <code>Type</code>
+     * object representing a UNO interface type
+     * @return a reference to the requested UNO interface type if available,
+     * otherwise <code>null</code>
+     * @see com.sun.star.uno.UnoRuntime
+     */
+    Object queryInterface(Type type);
+
+    /**
+     * Tests if the given reference represents a facet of the underlying UNO
+     * object.
+     *
+     * @param object a reference to any Java object representing (a facet of) a
+     * UNO object; may be <code>null</code>
+     * @return <code>true</code> if and only if <code>object</code> is not
+     * <code>null</code> and represents the same UNO object as this object
+     */
+    boolean isSame(Object object);
+}