1 files changed, 0 insertions, 150 deletions
diff --git a/libjava/classpath/gnu/java/security/util/ExpirableObject.java b/libjava/classpath/gnu/java/security/util/ExpirableObject.java
deleted file mode 100644
index e24af249aa5..00000000000
--- a/libjava/classpath/gnu/java/security/util/ExpirableObject.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/* ExpirableObject.java -- an object that is automatically destroyed.
-   Copyright (C) 2004, 2006 Free Software Foundation, Inc.
-
-This file is a 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
-the Free Software Foundation; either version 2 of the License, or (at
-your option) any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 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
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version.  */
-
-
-package gnu.java.security.util;
-
-import java.util.Timer;
-import java.util.TimerTask;
-
-import javax.security.auth.DestroyFailedException;
-import javax.security.auth.Destroyable;
-
-/**
- * The base class for objects with sensitive data that are automatically
- * destroyed after a timeout elapses. On creation, an object that extends this
- * class will automatically be added to a {@link Timer} object that, once a
- * timeout elapses, will automatically call the {@link Destroyable#destroy()}
- * method.
- * <p>
- * Concrete subclasses must implement the {@link #doDestroy()} method instead of
- * {@link Destroyable#destroy()}; the behavior of that method should match
- * exactly the behavior desired of <code>destroy()</code>.
- * <p>
- * Note that if a {@link DestroyFailedException} occurs when the timeout
- * expires, it will not be reported.
- *
- * @see Destroyable
- */
-public abstract class ExpirableObject
-    implements Destroyable
-{
-  /**
-   * The default timeout, used in the default constructor.
-   */
-  public static final long DEFAULT_TIMEOUT = 3600000L;
-
-  /**
-   * The timer that expires instances.
-   */
-  private static final Timer EXPIRER = new Timer(true);
-
-  /**
-   * A reference to the task that will destroy this object when the timeout
-   * expires.
-   */
-  private final Destroyer destroyer;
-
-  /**
-   * Create a new expirable object that will expire after one hour.
-   */
-  protected ExpirableObject()
-  {
-    this(DEFAULT_TIMEOUT);
-  }
-
-  /**
-   * Create a new expirable object that will expire after the specified timeout.
-   *
-   * @param delay The delay before expiration.
-   * @throws IllegalArgumentException If <i>delay</i> is negative, or if
-   *           <code>delay + System.currentTimeMillis()</code> is negative.
-   */
-  protected ExpirableObject(final long delay)
-  {
-    destroyer = new Destroyer(this);
-    EXPIRER.schedule(destroyer, delay);
-  }
-
-  /**
-   * Destroys this object. This method calls {@link #doDestroy}, then, if no
-   * exception is thrown, cancels the task that would destroy this object when
-   * the timeout is reached.
-   *
-   * @throws DestroyFailedException If this operation fails.
-   */
-  public final void destroy() throws DestroyFailedException
-  {
-    doDestroy();
-    destroyer.cancel();
-  }
-
-  /**
-   * Subclasses must implement this method instead of the {@link
-   * Destroyable#destroy()} method.
-   *
-   * @throws DestroyFailedException If this operation fails.
-   */
-  protected abstract void doDestroy() throws DestroyFailedException;
-
-  /**
-   * The task that destroys the target when the timeout elapses.
-   */
-  private final class Destroyer
-      extends TimerTask
-  {
-    private final ExpirableObject target;
-
-    Destroyer(final ExpirableObject target)
-    {
-      super();
-      this.target = target;
-    }
-
-    public void run()
-    {
-      try
-        {
-          if (! target.isDestroyed())
-            target.doDestroy();
-        }
-      catch (DestroyFailedException dfe)
-        {
-        }
-    }
-  }
-}