Use setField() Java API for maps

[Jin Sun]

I have a map<string, string> field in a message. When I try to use setField(Descriptors.FieldDescriptor field, Object value) API on Message.Builder and pass in a descriptor with a Java map, it complains map cannot be converted to a list.

I want to replace the existing map with the new map. Just wondering what should I pass in for value argument.

Thanks.

[Jin Sun]

I solved the problem by passing in a list of MapEntry. For instantiating MapEntry, use descriptor from the map field.