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Use HttpHeaders constants where possible

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This commit is contained in:
Johnny Lim
2019-05-04 09:48:21 +09:00
committed by Juergen Hoeller
parent ffbecf1427
commit d489227874
3 changed files with 14 additions and 27 deletions
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3
spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/ServletInvocableHandlerMethod.java
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@@ -26,6 +26,7 @@ import javax.servlet.http.HttpServletResponse;
import org.springframework.core.MethodParameter;
import org.springframework.core.ResolvableType;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
@@ -167,7 +168,7 @@ public class ServletInvocableHandlerMethod extends InvocableHandlerMethod {
if (!isRequestNotModified(webRequest)) {
HttpServletResponse response = webRequest.getNativeResponse(HttpServletResponse.class);
Assert.notNull(response, "Expected HttpServletResponse");
if (StringUtils.hasText(response.getHeader("ETag"))) {
if (StringUtils.hasText(response.getHeader(HttpHeaders.ETAG))) {
HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
Assert.notNull(request, "Expected HttpServletRequest");
ShallowEtagHeaderFilter.disableContentCaching(request);