reta commented on code in PR #1819:
URL: https://github.com/apache/cxf/pull/1819#discussion_r1573288108
##########
core/src/main/java/org/apache/cxf/transport/common/gzip/GZIPOutInterceptor.java:
##########
@@ -323,21 +323,14 @@ public void thresholdReached() throws IOException {
* @param value the value to add
*/
private static void addHeader(Message message, String name, String value) {
- Map<String, List<String>> protocolHeaders = CastUtils.cast((Map<?,
?>)message
- .get(Message.PROTOCOL_HEADERS));
- if (protocolHeaders == null) {
- protocolHeaders = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- message.put(Message.PROTOCOL_HEADERS, protocolHeaders);
+ Map<String, List<String>> headers = CastUtils.cast((Map<?,
?>)message.get(Message.PROTOCOL_HEADERS));
+ if (headers == null) {
+ headers = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ message.put(Message.PROTOCOL_HEADERS, headers);
}
- List<String> header =
CastUtils.cast((List<?>)protocolHeaders.get(name));
- if (header == null) {
- header = new ArrayList<>();
- protocolHeaders.put(name, header);
- }
- if (header.isEmpty()) {
+ List<String> header = headers.computeIfAbsent(name, k -> new
ArrayList<>());
+ if (header.isEmpty() || !header.contains(value)) {
Review Comment:
@yvrng I think we are missing protocol headers update here:
```
protocolHeaders.put(name, header);
```
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