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Apply additional 'instanceof pattern matching' in spring-web

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See gh-29530
This commit is contained in:
Sam Brannen
2022-11-21 14:28:30 +01:00
parent 50109dd86d
commit 0c878d2d06
6 changed files with 20 additions and 19 deletions
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4
spring-web/src/main/java/org/springframework/http/codec/EncoderHttpMessageWriter.java
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@@ -180,10 +180,10 @@ public class EncoderHttpMessageWriter<T> implements HttpMessageWriter<T> {
}
private boolean isStreamingMediaType(@Nullable MediaType mediaType) {
if (mediaType == null || !(this.encoder instanceof HttpMessageEncoder)) {
if (mediaType == null || !(this.encoder instanceof HttpMessageEncoder<?> httpMessageEncoder)) {
return false;
}
for (MediaType streamingMediaType : ((HttpMessageEncoder<?>) this.encoder).getStreamingMediaTypes()) {
for (MediaType streamingMediaType : httpMessageEncoder.getStreamingMediaTypes()) {
if (mediaType.isCompatibleWith(streamingMediaType) && matchParameters(mediaType, streamingMediaType)) {
return true;
}

6
spring-web/src/main/java/org/springframework/http/server/reactive/JettyHeadersAdapter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -110,8 +110,8 @@ class JettyHeadersAdapter implements MultiValueMap<String, String> {
@Override
public boolean containsValue(Object value) {
return (value instanceof String &&
this.headers.stream().anyMatch(field -> field.contains((String) value)));
return (value instanceof String searchString &&
this.headers.stream().anyMatch(field -> field.contains(searchString)));
}
@Nullable

4
spring-web/src/main/java/org/springframework/web/client/HttpMessageConverterExtractor.java
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@@ -71,13 +71,13 @@ public class HttpMessageConverterExtractor<T> implements ResponseExtractor<T> {
this(responseType, messageConverters, LogFactory.getLog(HttpMessageConverterExtractor.class));
}
@SuppressWarnings("unchecked")
@SuppressWarnings({ "unchecked", "rawtypes" })
HttpMessageConverterExtractor(Type responseType, List<HttpMessageConverter<?>> messageConverters, Log logger) {
Assert.notNull(responseType, "'responseType' must not be null");
Assert.notEmpty(messageConverters, "'messageConverters' must not be empty");
Assert.noNullElements(messageConverters, "'messageConverters' must not contain null elements");
this.responseType = responseType;
this.responseClass = (responseType instanceof Class ? (Class<T>) responseType : null);
this.responseClass = (responseType instanceof Class clazz ? clazz : null);
this.messageConverters = messageConverters;
this.logger = logger;
}

10
spring-web/src/main/java/org/springframework/web/context/request/RequestContextListener.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -65,16 +65,16 @@ public class RequestContextListener implements ServletRequestListener {
public void requestDestroyed(ServletRequestEvent requestEvent) {
ServletRequestAttributes attributes = null;
Object reqAttr = requestEvent.getServletRequest().getAttribute(REQUEST_ATTRIBUTES_ATTRIBUTE);
if (reqAttr instanceof ServletRequestAttributes) {
attributes = (ServletRequestAttributes) reqAttr;
if (reqAttr instanceof ServletRequestAttributes servletRequestAttributes) {
attributes = servletRequestAttributes;
}
RequestAttributes threadAttributes = RequestContextHolder.getRequestAttributes();
if (threadAttributes != null) {
// We're assumably within the original request thread...
LocaleContextHolder.resetLocaleContext();
RequestContextHolder.resetRequestAttributes();
if (attributes == null && threadAttributes instanceof ServletRequestAttributes) {
attributes = (ServletRequestAttributes) threadAttributes;
if (attributes == null && threadAttributes instanceof ServletRequestAttributes servletRequestAttributes) {
attributes = servletRequestAttributes;
}
}
if (attributes != null) {