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Add Nullable Annotations

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Added Nullable to methods that may return a null value

Closes gh-18046
This commit is contained in:
Josh Cummings 2025-11-04 15:08:12 -07:00
parent 63f28a7e1f
commit 5662e17370
2 changed files with 4 additions and 4 deletions
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4
web/src/main/java/org/springframework/security/web/authentication/preauth/RequestAttributeAuthenticationFilter.java
View File

@ -58,7 +58,7 @@ public class RequestAttributeAuthenticationFilter extends AbstractPreAuthenticat
* missing and {@code exceptionIfVariableMissing} is set to {@code true}.
*/
@Override
protected Object getPreAuthenticatedPrincipal(HttpServletRequest request) {
protected @Nullable Object getPreAuthenticatedPrincipal(HttpServletRequest request) {
String principal = (String) request.getAttribute(this.principalEnvironmentVariable);
if (principal == null && this.exceptionIfVariableMissing) {
throw new PreAuthenticatedCredentialsNotFoundException(
@ -73,7 +73,7 @@ public class RequestAttributeAuthenticationFilter extends AbstractPreAuthenticat
* credentials value. Otherwise a dummy value will be used.
*/
@Override
protected Object getPreAuthenticatedCredentials(HttpServletRequest request) {
protected @Nullable Object getPreAuthenticatedCredentials(HttpServletRequest request) {
if (this.credentialsEnvironmentVariable != null) {
return request.getAttribute(this.credentialsEnvironmentVariable);
}

4
web/src/main/java/org/springframework/security/web/authentication/preauth/RequestHeaderAuthenticationFilter.java
View File

@ -59,7 +59,7 @@ public class RequestHeaderAuthenticationFilter extends AbstractPreAuthenticatedP
* {@code exceptionIfHeaderMissing} is set to {@code true}.
*/
@Override
protected Object getPreAuthenticatedPrincipal(HttpServletRequest request) {
protected @Nullable Object getPreAuthenticatedPrincipal(HttpServletRequest request) {
String principal = request.getHeader(this.principalRequestHeader);
if (principal == null && this.exceptionIfHeaderMissing) {
throw new PreAuthenticatedCredentialsNotFoundException(
@ -74,7 +74,7 @@ public class RequestHeaderAuthenticationFilter extends AbstractPreAuthenticatedP
* will be used.
*/
@Override
protected Object getPreAuthenticatedCredentials(HttpServletRequest request) {
protected @Nullable Object getPreAuthenticatedCredentials(HttpServletRequest request) {
if (this.credentialsRequestHeader != null) {
return request.getHeader(this.credentialsRequestHeader);
}