diff --git a/adapters/cas/src/main/java/org/acegisecurity/adapters/cas3/CasAuthenticationHandler.java b/adapters/cas/src/main/java/org/acegisecurity/adapters/cas3/CasAuthenticationHandler.java
new file mode 100644
index 0000000000..6a51e3e022
--- /dev/null
+++ b/adapters/cas/src/main/java/org/acegisecurity/adapters/cas3/CasAuthenticationHandler.java
@@ -0,0 +1,101 @@
+/* Copyright 2004 Acegi Technology Pty Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.acegisecurity.adapters.cas3;
+
+import org.acegisecurity.Authentication;
+import org.acegisecurity.AuthenticationManager;
+import org.acegisecurity.providers.UsernamePasswordAuthenticationToken;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.jasig.cas.authentication.handler.AuthenticationException;
+import org.jasig.cas.authentication.handler.AuthenticationHandler;
+import org.jasig.cas.authentication.handler.support.AbstractUsernamePasswordAuthenticationHandler;
+import org.jasig.cas.authentication.principal.UsernamePasswordCredentials;
+import org.springframework.util.Assert;
+
+/**
+ *
+ * Provides JA-SIG CAS 3 authentication by delegating to the Acegi
+ * AuthenticationManager.
+ *
+ *
+ * This class would be configured in the
+ * webapp/WEB-INF/deployerConfigContext.xml file in the CAS
+ * distribution.
+ *
+ *
+ * @author Scott Battaglia
+ * @version $Id$
+ *
+ * @see AuthenticationHandler
+ * @see AuthenticationManager
+ */
+public final class CasAuthenticationHandler extends
+ AbstractUsernamePasswordAuthenticationHandler {
+
+ private Log log = LogFactory.getLog(this.getClass());
+
+ private AuthenticationManager authenticationManager;
+
+ protected boolean authenticateUsernamePasswordInternal(
+ final UsernamePasswordCredentials credentials)
+ throws AuthenticationException {
+
+ final Authentication authenticationRequest = new UsernamePasswordAuthenticationToken(
+ credentials.getUsername(), credentials.getPassword());
+
+ if (log.isDebugEnabled()) {
+ log.debug("Attempting to authenticate for user: "
+ + credentials.getUsername());
+ }
+
+ try {
+ this.authenticationManager.authenticate(authenticationRequest);
+ } catch (final org.acegisecurity.AuthenticationException e) {
+ if (log.isDebugEnabled()) {
+ log
+ .debug("Authentication request for "
+ + credentials.getUsername() + "failed: "
+ + e.toString());
+ }
+ return false;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("Authentication request for " + credentials.getUsername()
+ + " successful.");
+ }
+
+ return true;
+ }
+
+ protected void afterPropertiesSetInternal() throws Exception {
+ Assert.notNull(this.authenticationManager,
+ "authenticationManager cannot be null.");
+ }
+
+ /**
+ * Method to set the Acegi AuthenticationManager to delegate
+ * to.
+ *
+ * @param authenticationManager
+ * the Acegi AuthenticationManager that knows how to authenticate
+ * users.
+ */
+ public void setAuthenticationManager(
+ final AuthenticationManager authenticationManager) {
+ this.authenticationManager = authenticationManager;
+ }
+}