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diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/ClientMechanism.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/ClientMechanism.java
new file mode 100644
index 000000000..7f8e9c120
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/sasl/ClientMechanism.java
@@ -0,0 +1,293 @@
+/* ClientMechanism.java -- 
+   Copyright (C) 2003, 2005, 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.javax.crypto.sasl;
+
+import gnu.java.security.Registry;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.sasl.Sasl;
+import javax.security.sasl.SaslClient;
+import javax.security.sasl.SaslException;
+
+/**
+ * A base class to facilitate implementing SASL client-side mechanisms.
+ */
+public abstract class ClientMechanism
+    implements SaslClient
+{
+  /** Name of this mechanism. */
+  protected String mechanism;
+  /** The authorisation identity. */
+  protected String authorizationID;
+  /** Name of protocol using this mechanism. */
+  protected String protocol;
+  /** Name of server to authenticate to. */
+  protected String serverName;
+  /** Properties of qualities desired for this mechanism. */
+  protected Map properties;
+  /** Callback handler to use with this mechanism instance. */
+  protected CallbackHandler handler;
+  /** Channel binding data to use with this mechanism instance. */
+  protected byte[] channelBinding;
+  /** Whether authentication phase is completed (true) or not (false). */
+  protected boolean complete = false;
+  /** The state of the authentication automaton. */
+  protected int state = -1;
+
+  protected ClientMechanism(final String mechanism)
+  {
+    super();
+
+    this.mechanism = mechanism;
+    this.state = -1;
+  }
+
+  protected abstract void initMechanism() throws SaslException;
+
+  protected abstract void resetMechanism() throws SaslException;
+
+  public abstract byte[] evaluateChallenge(byte[] challenge)
+      throws SaslException;
+
+  public abstract boolean hasInitialResponse();
+
+  public boolean isComplete()
+  {
+    return complete;
+  }
+
+  public byte[] unwrap(final byte[] incoming, final int offset, final int len)
+      throws SaslException
+  {
+    if (! isComplete())
+      throw new IllegalMechanismStateException();
+    return this.engineUnwrap(incoming, offset, len);
+  }
+
+  public byte[] wrap(final byte[] outgoing, final int offset, final int len)
+      throws SaslException
+  {
+    if (! isComplete())
+      throw new IllegalMechanismStateException();
+    return this.engineWrap(outgoing, offset, len);
+  }
+
+  public String getMechanismName()
+  {
+    return mechanism;
+  }
+
+  public Object getNegotiatedProperty(final String propName)
+  {
+    if (! isComplete())
+      throw new IllegalStateException();
+    if (Sasl.QOP.equals(propName))
+      return getNegotiatedQOP();
+    if (Sasl.STRENGTH.equals(propName))
+      return getNegotiatedStrength();
+    if (Sasl.SERVER_AUTH.equals(propName))
+      return getNegotiatedServerAuth();
+    if (Sasl.MAX_BUFFER.equals(propName))
+      return getNegotiatedMaxBuffer();
+    if (Sasl.RAW_SEND_SIZE.equals(propName))
+      return getNegotiatedRawSendSize();
+    if (Sasl.POLICY_NOPLAINTEXT.equals(propName))
+      return getNegotiatedPolicyNoPlainText();
+    if (Sasl.POLICY_NOACTIVE.equals(propName))
+      return getNegotiatedPolicyNoActive();
+    if (Sasl.POLICY_NODICTIONARY.equals(propName))
+      return getNegotiatedPolicyNoDictionary();
+    if (Sasl.POLICY_NOANONYMOUS.equals(propName))
+      return getNegotiatedPolicyNoAnonymous();
+    if (Sasl.POLICY_FORWARD_SECRECY.equals(propName))
+      return getNegotiatedPolicyForwardSecrecy();
+    if (Sasl.POLICY_PASS_CREDENTIALS.equals(propName))
+      return getNegotiatedPolicyPassCredentials();
+    if (Sasl.REUSE.equals(propName))
+      return getReuse();
+    return null;
+  }
+
+  public void dispose() throws SaslException
+  {
+  }
+
+  public String getAuthorizationID()
+  {
+    return authorizationID;
+  }
+
+  protected String getNegotiatedQOP()
+  {
+    return Registry.QOP_AUTH;
+  }
+
+  protected String getNegotiatedStrength()
+  {
+    return Registry.STRENGTH_LOW;
+  }
+
+  protected String getNegotiatedServerAuth()
+  {
+    return Registry.SERVER_AUTH_FALSE;
+  }
+
+  protected String getNegotiatedMaxBuffer()
+  {
+    return null;
+  }
+
+  protected String getNegotiatedRawSendSize()
+  {
+    return String.valueOf(Registry.SASL_BUFFER_MAX_LIMIT);
+  }
+
+  protected String getNegotiatedPolicyNoPlainText()
+  {
+    return null;
+  }
+
+  protected String getNegotiatedPolicyNoActive()
+  {
+    return null;
+  }
+
+  protected String getNegotiatedPolicyNoDictionary()
+  {
+    return null;
+  }
+
+  protected String getNegotiatedPolicyNoAnonymous()
+  {
+    return null;
+  }
+
+  protected String getNegotiatedPolicyForwardSecrecy()
+  {
+    return null;
+  }
+
+  protected String getNegotiatedPolicyPassCredentials()
+  {
+    return null;
+  }
+
+  protected String getReuse()
+  {
+    return Registry.REUSE_FALSE;
+  }
+
+  protected byte[] engineUnwrap(final byte[] incoming, final int offset,
+                                final int len) throws SaslException
+  {
+    final byte[] result = new byte[len];
+    System.arraycopy(incoming, offset, result, 0, len);
+    return result;
+  }
+
+  protected byte[] engineWrap(final byte[] outgoing, final int offset,
+                              final int len) throws SaslException
+  {
+    final byte[] result = new byte[len];
+    System.arraycopy(outgoing, offset, result, 0, len);
+    return result;
+  }
+
+  /**
+   * Initialises the mechanism with designated attributes. Permissible names and
+   * values are mechanism specific.
+   * 
+   * @param attributes a set of name-value pairs that describes the desired
+   *          future behaviour of this instance.
+   * @throws IllegalMechanismStateException if the instance is already
+   *           initialised.
+   * @throws SaslException if an exception occurs during the process.
+   */
+  public void init(final Map attributes) throws SaslException
+  {
+    if (state != -1)
+      throw new IllegalMechanismStateException("init()");
+    if (properties == null)
+      properties = new HashMap();
+    else
+      properties.clear();
+    if (attributes != null)
+      {
+        authorizationID = (String) attributes.get(Registry.SASL_AUTHORISATION_ID);
+        protocol = (String) attributes.get(Registry.SASL_PROTOCOL);
+        serverName = (String) attributes.get(Registry.SASL_SERVER_NAME);
+        handler = (CallbackHandler) attributes.get(Registry.SASL_CALLBACK_HANDLER);
+        channelBinding = (byte[]) attributes.get(Registry.SASL_CHANNEL_BINDING);
+        properties.putAll(attributes);
+      }
+    else
+      handler = null;
+
+    if (authorizationID == null)
+      authorizationID = "";
+    if (protocol == null)
+      protocol = "";
+    if (serverName == null)
+      serverName = "";
+    if (channelBinding == null)
+      channelBinding = new byte[0];
+    initMechanism();
+    complete = false;
+    state = 0;
+  }
+
+  /**
+   * Resets the mechanism instance for re-initialisation and use with other
+   * characteristics.
+   * 
+   * @throws SaslException if an exception occurs during the process.
+   */
+  public void reset() throws SaslException
+  {
+    resetMechanism();
+    properties.clear();
+    authorizationID = protocol = serverName = null;
+    channelBinding = null;
+    complete = false;
+    state = -1;
+  }
+}