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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
package sun.security.jgss;
import org.ietf.jgss.GSSContext;
import org.ietf.jgss.GSSCredential;
/**
* The extending point of basic JGSS-API.
* <p>
* If a module wants to extend basic JGSS-API classes, it should extends this
* class and register itself as "the extender" using the setExtender method.
* When various GSSManager.createXXX methods are called, they will call
* "the extender"'s wrap methods to create objects of extended types
* instead of basic types.
* <p>
* We have only one extension now defined in com.sun.security.jgss, and the
* registering process is triggered in {@link GSSManagerImpl} by calling
* Class.forName("com.sun.security.jgss.Extender"). Only GSSContext
* and GSSCredential are extended now.
* <p>
* The setExtender method should be called before any JGSS call.
*/
public class JgssExtender {
// "The extender"
private static volatile JgssExtender theOne = new JgssExtender();
/**
* Gets "the extender". GSSManager calls this method so that it can
* wrap basic objects into extended objects.
* @return the extender
*/
public static JgssExtender getExtender() {
return theOne;
}
/**
* Set "the extender" so that GSSManager can create extended objects.
*/
protected static void setExtender(JgssExtender theOne) {
JgssExtender.theOne = theOne;
}
/**
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