diff options
Diffstat (limited to 'java/src/main/java/com/google/protobuf')
-rw-r--r-- | java/src/main/java/com/google/protobuf/nano/ExtendableMessageNano.java | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/java/src/main/java/com/google/protobuf/nano/ExtendableMessageNano.java b/java/src/main/java/com/google/protobuf/nano/ExtendableMessageNano.java index 5984d35..46cd86f 100644 --- a/java/src/main/java/com/google/protobuf/nano/ExtendableMessageNano.java +++ b/java/src/main/java/com/google/protobuf/nano/ExtendableMessageNano.java @@ -68,6 +68,18 @@ public abstract class ExtendableMessageNano<M extends ExtendableMessageNano<M>> } /** + * Checks if there is a value stored for the specified extension in this + * message. + */ + public final boolean hasExtension(Extension<M, ?> extension) { + if (unknownFieldData == null) { + return false; + } + FieldData field = unknownFieldData.get(WireFormatNano.getTagFieldNumber(extension.tag)); + return field != null; + } + + /** * Gets the value stored in the specified extension of this message. */ public final <T> T getExtension(Extension<M, T> extension) { |