1 files changed, 85 insertions, 0 deletions
diff --git a/jetty-security/src/main/java/org/eclipse/jetty/security/LazyAuthentication.java b/jetty-security/src/main/java/org/eclipse/jetty/security/LazyAuthentication.java
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+++ b/jetty-security/src/main/java/org/eclipse/jetty/security/LazyAuthentication.java
@@ -0,0 +1,85 @@
+// ========================================================================
+// Copyright (c) 2008-2009 Mort Bay Consulting Pty. Ltd.
+// ------------------------------------------------------------------------
+// All rights reserved. This program and the accompanying materials
+// are made available under the terms of the Eclipse Public License v1.0
+// and Apache License v2.0 which accompanies this distribution.
+// The Eclipse Public License is available at 
+// http://www.eclipse.org/legal/epl-v10.html
+// The Apache License v2.0 is available at
+// http://www.opensource.org/licenses/apache2.0.php
+// You may elect to redistribute this code under either of these licenses. 
+// ========================================================================
+
+package org.eclipse.jetty.security;
+
+import javax.security.auth.Subject;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
+import org.eclipse.jetty.server.UserIdentity;
+
+
+/**
+ * @version $Rev: 4793 $ $Date: 2009-03-19 00:00:01 +0100 (Thu, 19 Mar 2009) $
+ */
+public class LazyAuthentication implements Authentication
+{
+    private static final Subject unauthenticatedSubject = new Subject();
+
+    private final Authenticator _serverAuthentication;
+    private final ServletRequest _request;
+    private final ServletResponse _response;
+
+    private Authentication _delegate;
+
+    public LazyAuthentication(Authenticator serverAuthentication, ServletRequest request, ServletResponse response)
+    {
+        if (serverAuthentication == null) throw new NullPointerException("No ServerAuthentication");
+        this._serverAuthentication = serverAuthentication;
+        this._request=request;
+        this._response=response;   
+    }
+
+    private Authentication getDelegate()
+    {
+        if (_delegate == null)
+        {
+            try
+            {
+                _delegate = _serverAuthentication.validateRequest(_request, _response, false);
+            }
+            catch (ServerAuthException e)
+            {
+                _delegate = DefaultAuthentication.SEND_FAILURE_RESULTS;
+            }
+        }
+        return _delegate;
+    }
+
+    public Authentication.Status getAuthStatus()
+    {
+        return getDelegate().getAuthStatus();
+    }
+
+    public boolean isSuccess()
+    {
+        return getDelegate().isSuccess();
+    }
+    
+    // for cleaning in secureResponse
+    public UserIdentity getUserIdentity()
+    {
+        return _delegate == null ? UserIdentity.UNAUTHENTICATED_IDENTITY: _delegate.getUserIdentity();
+    }
+
+    public String getAuthMethod()
+    {
+        return getDelegate().getAuthMethod();
+    }
+
+    public String toString()
+    {
+        return "{Lazy,"+_delegate+"}";
+    }
+}