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Jon Skeet
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Jon Skeet
Get field descriptor in Protocol Buffers
Is there a way to get the field descriptor by using the given field number in protocol buffers? I know it exists for C++ (FindKnownExtensionsByNumber()) using reflection, however, I couldn't one for Java.
I suspect you're looking for Descriptor.findFieldByNumber. Note that will find a field by number, not an extension. For extensions, use ExtensionRegistry.findExtensionByNumber.
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