Cleanup redundant type casts

web/src/main/java/org/springframework/security/web/authentication/preauth/j2ee/WebXmlMappableAttributesRetriever.java

@@ -89,7 +89,7 @@ public class WebXmlMappableAttributesRetriever implements ResourceLoaderAware,
 			NodeList roles = secRoleElt.getElementsByTagName("role-name");
 
 			if (roles.getLength() > 0) {
-				String roleName = ((Element) roles.item(0)).getTextContent().trim();
+				String roleName = roles.item(0).getTextContent().trim();
 				roleNames.add(roleName);
 				logger.info("Retrieved role-name '" + roleName + "' from web.xml");
 			}

web/src/main/java/org/springframework/security/web/authentication/www/DigestAuthenticationEntryPoint.java

@@ -84,7 +84,7 @@ public class DigestAuthenticationEntryPoint implements AuthenticationEntryPoint,
 
 	public void commence(HttpServletRequest request, HttpServletResponse response,
 			AuthenticationException authException) throws IOException, ServletException {
-		HttpServletResponse httpResponse = (HttpServletResponse) response;
+		HttpServletResponse httpResponse = response;
 
 		// compute a nonce (do not use remote IP address due to proxy farms)
 		// format of nonce is:

web/src/main/java/org/springframework/security/web/savedrequest/FastHttpDateFormat.java

@@ -177,7 +177,7 @@ public class FastHttpDateFormat {
 		Long cachedDate = null;
 
 		try {
-			cachedDate = (Long) parseCache.get(value);
+			cachedDate = parseCache.get(value);
 		}
 		catch (Exception ignored) {
 		}

web/src/test/java/org/springframework/security/web/server/DefaultServerRedirectStrategyTests.java

@@ -47,12 +47,12 @@ public class DefaultServerRedirectStrategyTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void sendRedirectWhenLocationNullThenException() {
-		this.strategy.sendRedirect(this.exchange, (URI) null);
+		this.strategy.sendRedirect(this.exchange, null);
 	}
 
 	@Test(expected = IllegalArgumentException.class)
 	public void sendRedirectWhenExchangeNullThenException() {
-		this.strategy.sendRedirect((ServerWebExchange) null, this.location);
+		this.strategy.sendRedirect(null, this.location);
 	}
 
 	@Test

web/src/test/java/org/springframework/security/web/server/authentication/RedirectServerAuthenticationEntryPointTests.java

@@ -56,7 +56,7 @@ public class RedirectServerAuthenticationEntryPointTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorStringWhenNullLocationThenException() {
-		new RedirectServerAuthenticationEntryPoint((String) null);
+		new RedirectServerAuthenticationEntryPoint(null);
 	}
 
 	@Test

web/src/test/java/org/springframework/security/web/server/authentication/RedirectServerAuthenticationFailureHandlerTests.java

@@ -56,7 +56,7 @@ public class RedirectServerAuthenticationFailureHandlerTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorStringWhenNullLocationThenException() {
-		new RedirectServerAuthenticationEntryPoint((String) null);
+		new RedirectServerAuthenticationEntryPoint(null);
 	}
 
 	@Test

web/src/test/java/org/springframework/security/web/server/authorization/HttpStatusServerAccessDeniedHandlerTests.java

@@ -45,7 +45,7 @@ public class HttpStatusServerAccessDeniedHandlerTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorHttpStatusWhenNullThenException() {
-		new HttpStatusServerAccessDeniedHandler((HttpStatus) null);
+		new HttpStatusServerAccessDeniedHandler(null);
 	}
 
 	@Test