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Fixed generateETagHeaderValue's IOException handling 

Issue: SPR-12081
This commit is contained in:
Juergen Hoeller 2015-09-02 19:43:15 +02:00
parent 93f3b9cbe0
commit eeab7f38a2
1 changed files with 3 additions and 8 deletions
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11
spring-web/src/main/java/org/springframework/web/filter/ShallowEtagHeaderFilter.java
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@ -163,14 +163,9 @@ public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
* @return the ETag header value
* @see org.springframework.util.DigestUtils
*/
protected String generateETagHeaderValue(InputStream inputStream) {
protected String generateETagHeaderValue(InputStream inputStream) throws IOException {
StringBuilder builder = new StringBuilder("\"0");
try {
DigestUtils.appendMd5DigestAsHex(inputStream, builder);
}
catch (IOException e) {
throw new RuntimeException(e);
}
DigestUtils.appendMd5DigestAsHex(inputStream, builder);
builder.append('"');
return builder.toString();
}
@ -184,7 +179,7 @@ public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
* @since 4.2
*/
public static void disableContentCaching(ServletRequest request) {
Assert.notNull(request);
Assert.notNull(request, "ServletRequest must not be null");
request.setAttribute(STREAMING_ATTRIBUTE, true);
}