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Use instanceof pattern matching to avoid an explicit cast

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See gh-51896

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>
This commit is contained in:
Tran Ngoc Nhan
2026-09-28 14:18:41 -07:00
committed by Phillip Webb
parent e4b2ecf934
commit 68c321499a
5 changed files with 13 additions and 13 deletions
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module/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/remote/server/DispatcherFilter.java
+2 -2
View File
@@ -56,8 +56,8 @@ public class DispatcherFilter implements Filter {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
if (request instanceof HttpServletRequest && response instanceof HttpServletResponse) {
doFilter((HttpServletRequest) request, (HttpServletResponse) response, chain);
if (request instanceof HttpServletRequest req && response instanceof HttpServletResponse res) {
doFilter(req, res, chain);
}
else {
chain.doFilter(request, response);
module/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/Restarter.java
+5 -5
View File
@@ -357,11 +357,11 @@ public class Restarter {
Field field = type.getDeclaredField(fieldName);
field.setAccessible(true);
Object instance = field.get(null);
if (instance instanceof Set) {
((Set<?>) instance).clear();
if (instance instanceof Set<?> set) {
set.clear();
}
if (instance instanceof Map) {
((Map<?, ?>) instance).keySet().removeIf(this::isFromRestartClassLoader);
if (instance instanceof Map<?, ?> map) {
map.keySet().removeIf(this::isFromRestartClassLoader);
}
}
catch (Exception ex) {
@@ -372,7 +372,7 @@ public class Restarter {
}
private boolean isFromRestartClassLoader(Object object) {
return (object instanceof Class && ((Class<?>) object).getClassLoader() instanceof RestartClassLoader);
return (object instanceof Class<?> cls && cls.getClassLoader() instanceof RestartClassLoader);
}
/**