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ShallowEtagHeaderFilter supports Servlet 3.1's setContentLengthLong as well

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Issue: SPR-12097
This commit is contained in:
Juergen Hoeller
2014-08-19 20:17:42 +02:00
parent 110be33337
commit 0c32d66cbd
1 changed files with 12 additions and 0 deletions
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12
spring-web/src/main/java/org/springframework/web/filter/ShallowEtagHeaderFilter.java
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@@ -46,6 +46,7 @@ import org.springframework.web.util.WebUtils;
* *
* @author Arjen Poutsma * @author Arjen Poutsma
* @author Rossen Stoyanchev * @author Rossen Stoyanchev
* @author Juergen Hoeller
* @since 3.0 * @since 3.0
*/ */
public class ShallowEtagHeaderFilter extends OncePerRequestFilter { public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
@@ -246,6 +247,17 @@ public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
} }
} }
// Overrides Servlet 3.1 setContentLengthLong(long) at runtime
public void setContentLengthLong(long len) {
if (len > Integer.MAX_VALUE) {
throw new IllegalArgumentException("Content-Length exceeds ShallowEtagHeaderFilter's maximum (" +
Integer.MAX_VALUE + "): " + len);
}
if (len > this.content.capacity()) {
this.content.resize((int) len);
}
}
@Override @Override
public void setBufferSize(int size) { public void setBufferSize(int size) {
if (size > this.content.capacity()) { if (size > this.content.capacity()) {