diff options
Diffstat (limited to 'java/core/src/main/java/com/google/protobuf/MessageReflection.java')
-rw-r--r-- | java/core/src/main/java/com/google/protobuf/MessageReflection.java | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/java/core/src/main/java/com/google/protobuf/MessageReflection.java b/java/core/src/main/java/com/google/protobuf/MessageReflection.java index 3d73efb3..69ad7ddf 100644 --- a/java/core/src/main/java/com/google/protobuf/MessageReflection.java +++ b/java/core/src/main/java/com/google/protobuf/MessageReflection.java @@ -31,7 +31,6 @@ package com.google.protobuf; import com.google.protobuf.Descriptors.FieldDescriptor; - import java.io.IOException; import java.util.ArrayList; import java.util.List; @@ -714,12 +713,14 @@ class MessageReflection { } /** - * Parses a single field into MergeTarget. The target can be Message.Builder, - * FieldSet or MutableMessage. + * Parses a single field into MergeTarget. The target can be Message.Builder, FieldSet or + * MutableMessage. * - * Package-private because it is used by GeneratedMessage.ExtendableMessage. + * <p>Package-private because it is used by GeneratedMessage.ExtendableMessage. * * @param tag The tag, which should have already been read. + * @param unknownFields If not null, unknown fields will be merged to this {@link + * UnknownFieldSet}, otherwise unknown fields will be discarded. * @return {@code true} unless the tag is an end-group tag. */ static boolean mergeFieldFrom( @@ -728,7 +729,8 @@ class MessageReflection { ExtensionRegistryLite extensionRegistry, Descriptors.Descriptor type, MergeTarget target, - int tag) throws IOException { + int tag) + throws IOException { if (type.getOptions().getMessageSetWireFormat() && tag == WireFormat.MESSAGE_SET_ITEM_TAG) { mergeMessageSetExtensionFromCodedStream( @@ -792,7 +794,11 @@ class MessageReflection { } if (unknown) { // Unknown field or wrong wire type. Skip. - return unknownFields.mergeFieldFrom(tag, input); + if (unknownFields != null) { + return unknownFields.mergeFieldFrom(tag, input); + } else { + return input.skipField(tag); + } } if (packed) { @@ -844,7 +850,9 @@ class MessageReflection { // If the number isn't recognized as a valid value for this enum, // drop it. if (value == null) { - unknownFields.mergeVarintField(fieldNumber, rawValue); + if (unknownFields != null) { + unknownFields.mergeVarintField(fieldNumber, rawValue); + } return true; } } @@ -947,7 +955,7 @@ class MessageReflection { mergeMessageSetExtensionFromBytes( rawBytes, extension, extensionRegistry, target); } else { // We don't know how to parse this. Ignore it. - if (rawBytes != null) { + if (rawBytes != null && unknownFields != null) { unknownFields.mergeField(typeId, UnknownFieldSet.Field.newBuilder() .addLengthDelimited(rawBytes).build()); } |