diff options
Diffstat (limited to 'java/core/src/main/java/com/google/protobuf/DynamicMessage.java')
-rw-r--r-- | java/core/src/main/java/com/google/protobuf/DynamicMessage.java | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/java/core/src/main/java/com/google/protobuf/DynamicMessage.java b/java/core/src/main/java/com/google/protobuf/DynamicMessage.java index 859a9e8f..c54da67f 100644 --- a/java/core/src/main/java/com/google/protobuf/DynamicMessage.java +++ b/java/core/src/main/java/com/google/protobuf/DynamicMessage.java @@ -526,6 +526,14 @@ public final class DynamicMessage extends AbstractMessage { fields.clearField(oldField); } oneofCases[index] = field; + } else if (field.getFile().getSyntax() == Descriptors.FileDescriptor.Syntax.PROTO3) { + if (!field.isRepeated() + && field.getJavaType() != FieldDescriptor.JavaType.MESSAGE + && value.equals(field.getDefaultValue())) { + // In proto3, setting a field to its default value is equivalent to clearing the field. + fields.clearField(field); + return this; + } } fields.setField(field, value); return this; |