diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/proxy/AbstractProxyReceptorServlet.java b/cas-client-core/src/main/java/org/jasig/cas/client/proxy/AbstractProxyReceptorServlet.java
index c97f0e4..2497754 100644
--- a/cas-client-core/src/main/java/org/jasig/cas/client/proxy/AbstractProxyReceptorServlet.java
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/proxy/AbstractProxyReceptorServlet.java
@@ -9,6 +9,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.jasig.cas.client.util.CommonUtils;
 
+import javax.servlet.ServletConfig;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
@@ -85,8 +86,9 @@ public abstract class AbstractProxyReceptorServlet extends HttpServlet {
                         "<casClient:proxySuccess xmlns:casClient=\"http://www.yale.edu/tp/casClient\" />");
     }
 
-    protected final void setProxyGrantingTicketStorage(
-            final ProxyGrantingTicketStorage proxyGrantingTicketStorage) {
-        this.proxyGrantingTicketStorage = proxyGrantingTicketStorage;
+    public final void init(final ServletConfig servletConfig) throws ServletException {
+        this.proxyGrantingTicketStorage = retrieveProxyGrantingTicketStorageFromConfiguration(servletConfig);
     }
+
+    protected abstract ProxyGrantingTicketStorage retrieveProxyGrantingTicketStorageFromConfiguration(final ServletConfig servletConfig) throws ServletException;
 }
diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/proxy/SpringConfiguredProxyReceptorServlet.java b/cas-client-core/src/main/java/org/jasig/cas/client/proxy/SpringConfiguredProxyReceptorServlet.java
index a717860..9074fd2 100644
--- a/cas-client-core/src/main/java/org/jasig/cas/client/proxy/SpringConfiguredProxyReceptorServlet.java
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/proxy/SpringConfiguredProxyReceptorServlet.java
@@ -35,16 +35,14 @@ public final class SpringConfiguredProxyReceptorServlet extends
      */
     private static final long serialVersionUID = -5642050740265266568L;
 
-    public void init(final ServletConfig servletConfig) throws ServletException {
+    protected ProxyGrantingTicketStorage retrieveProxyGrantingTicketStorageFromConfiguration(final ServletConfig servletConfig) throws ServletException {
         final WebApplicationContext context = WebApplicationContextUtils
                 .getRequiredWebApplicationContext(servletConfig.getServletContext());
 
         if (context.containsBean(CONST_PROXY_GRANTING_TICKET_STORAGE_BEAN_NAME)) {
-            this
-                    .setProxyGrantingTicketStorage((ProxyGrantingTicketStorage) context
-                            .getBean(CONST_PROXY_GRANTING_TICKET_STORAGE_BEAN_NAME,
-                                    ProxyGrantingTicketStorage.class));
-            return;
+            return (ProxyGrantingTicketStorage) context
+                    .getBean(CONST_PROXY_GRANTING_TICKET_STORAGE_BEAN_NAME,
+                            ProxyGrantingTicketStorage.class);
         }
 
         final Map map = context
@@ -59,8 +57,7 @@ public final class SpringConfiguredProxyReceptorServlet extends
                     "Expecting one ProxyGrantingTicketStorage and found multiple instances.");
         }
 
-        setProxyGrantingTicketStorage((ProxyGrantingTicketStorage) map.get(map
-                .keySet().iterator().next()));
+        return (ProxyGrantingTicketStorage) map.get(map
+                .keySet().iterator().next());
     }
-
 }
diff --git a/cas-client-uportal/src/main/java/org/jasig/cas/client/integration/uportal/UPortalConfiguredProxyReceptorServlet.java b/cas-client-uportal/src/main/java/org/jasig/cas/client/integration/uportal/UPortalConfiguredProxyReceptorServlet.java
index 52c7769..a67a8f4 100644
--- a/cas-client-uportal/src/main/java/org/jasig/cas/client/integration/uportal/UPortalConfiguredProxyReceptorServlet.java
+++ b/cas-client-uportal/src/main/java/org/jasig/cas/client/integration/uportal/UPortalConfiguredProxyReceptorServlet.java
@@ -29,11 +29,12 @@ public final class UPortalConfiguredProxyReceptorServlet extends
      */
     private static final long serialVersionUID = 6596608588362834646L;
 
-    public void init(final ServletConfig servletConfig) throws ServletException {
+
+    protected ProxyGrantingTicketStorage retrieveProxyGrantingTicketStorageFromConfiguration(final ServletConfig servletConfig) throws ServletException {
         logger.info("Retrieving ProxyGrantingTicketStorage from PortalApplicationContextFacade.");
-        setProxyGrantingTicketStorage((ProxyGrantingTicketStorage) PortalApplicationContextFacade
+        return (ProxyGrantingTicketStorage) PortalApplicationContextFacade
                 .getPortalApplicationContext()
                 .getBean(
-                        AbstractCasSecurityContextFactory.CONST_CAS_PROXY_GRANTING_TICKET_STORAGE));
+                        AbstractCasSecurityContextFactory.CONST_CAS_PROXY_GRANTING_TICKET_STORAGE);
     }
 }