Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Skip media type parsing for known string values #16358

Merged
merged 1 commit into from
Oct 17, 2024
Merged

Skip media type parsing for known string values #16358

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions libs/core/src/main/java/org/opensearch/core/xcontent/MediaTypeRegistry.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@
public final class MediaTypeRegistry {
private static Map<String, MediaType> formatToMediaType = Map.of();
private static Map<String, MediaType> typeWithSubtypeToMediaType = Map.of();
private static Map<String, MediaType> knownStringsToMediaType = Map.of();

// Default mediaType singleton
private static MediaType DEFAULT_MEDIA_TYPE;
Expand Down Expand Up @@ -84,6 +85,8 @@ private static void register(MediaType[] acceptedMediaTypes, Map<String, MediaTy
// ensures the map is not overwritten:
Map<String, MediaType> typeMap = new HashMap<>(typeWithSubtypeToMediaType);
Map<String, MediaType> formatMap = new HashMap<>(formatToMediaType);
Map<String, MediaType> knownStringMap = new HashMap<>(knownStringsToMediaType);

for (MediaType mediaType : acceptedMediaTypes) {
if (formatMap.containsKey(mediaType.format())) {
throw new IllegalArgumentException("unable to register mediaType: [" + mediaType.format() + "]. Type already exists.");
Expand All @@ -107,13 +110,24 @@ private static void register(MediaType[] acceptedMediaTypes, Map<String, MediaTy
MediaType mediaType = entry.getValue();
typeMap.put(typeWithSubtype, mediaType);
formatMap.putIfAbsent(mediaType.format(), mediaType); // ignore if the additional type mapping already exists
knownStringMap.put(mediaType.mediaType(), mediaType);
knownStringMap.put(mediaType.mediaTypeWithoutParameters(), mediaType);
}

formatToMediaType = Map.copyOf(formatMap);
typeWithSubtypeToMediaType = Map.copyOf(typeMap);
knownStringsToMediaType = Map.copyOf(knownStringMap);
}

public static MediaType fromMediaType(String mediaType) {
if (mediaType == null) {
return null;
}
// Skip parsing if the string is an exact match for any known string value
final MediaType knownMediaType = knownStringsToMediaType.get(mediaType);
if (knownMediaType != null) {
return knownMediaType;
}
ParsedMediaType parsedMediaType = parseMediaType(mediaType);
return parsedMediaType != null ? parsedMediaType.getMediaType() : null;
}
Expand Down
Loading