public int getSerializedSize() { int size = memoizedSize; if (size != -1) { return size; } size = 0; final boolean isMessageSet = getDescriptorForType().getOptions().getMessageSetWireFormat(); for (final Map.Entry<FieldDescriptor, Object> entry : getAllFields().entrySet()) { final FieldDescriptor field = entry.getKey(); final Object value = entry.getValue(); if (isMessageSet && field.isExtension() && field.getType() == FieldDescriptor.Type.MESSAGE && !field.isRepeated()) { size += CodedOutputStream.computeMessageSetExtensionSize(field.getNumber(), (Message) value); } else { size += FieldSet.computeFieldSize(field, value); } } final UnknownFieldSet unknownFields = getUnknownFields(); if (isMessageSet) { size += unknownFields.getSerializedSizeAsMessageSet(); } else { size += unknownFields.getSerializedSize(); } memoizedSize = size; return size; }
/** Get a hash code for given fields and values, using the given seed. */ @SuppressWarnings("unchecked") protected int hashFields(int hash, Map<FieldDescriptor, Object> map) { for (Map.Entry<FieldDescriptor, Object> entry : map.entrySet()) { FieldDescriptor field = entry.getKey(); Object value = entry.getValue(); hash = (37 * hash) + field.getNumber(); if (field.getType() != FieldDescriptor.Type.ENUM) { hash = (53 * hash) + value.hashCode(); } else if (field.isRepeated()) { List<? extends EnumLite> list = (List<? extends EnumLite>) value; hash = (53 * hash) + hashEnumList(list); } else { hash = (53 * hash) + hashEnum((EnumLite) value); } } return hash; }
public void writeTo(final CodedOutputStream output) throws IOException { final boolean isMessageSet = getDescriptorForType().getOptions().getMessageSetWireFormat(); for (final Map.Entry<FieldDescriptor, Object> entry : getAllFields().entrySet()) { final FieldDescriptor field = entry.getKey(); final Object value = entry.getValue(); if (isMessageSet && field.isExtension() && field.getType() == FieldDescriptor.Type.MESSAGE && !field.isRepeated()) { output.writeMessageSetExtension(field.getNumber(), (Message) value); } else { FieldSet.writeField(field, value, output); } } final UnknownFieldSet unknownFields = getUnknownFields(); if (isMessageSet) { unknownFields.writeAsMessageSetTo(output); } else { unknownFields.writeTo(output); } }
/** * Like {@link #mergeFrom(CodedInputStream, ExtensionRegistryLite)}, but parses a single field. * * <p>When {@code builder} is not null, the method will parse and merge the field into {@code * builder}. Otherwise, it will try to parse the field into {@code extensions}, when it's called * by the parsing constructor in generated classes. * * <p>Package-private because it is used by GeneratedMessage.ExtendableMessage. * * @param tag The tag, which should have already been read. * @return {@code true} unless the tag is an end-group tag. */ static boolean mergeFieldFrom( CodedInputStream input, UnknownFieldSet.Builder unknownFields, ExtensionRegistryLite extensionRegistry, Descriptor type, Message.Builder builder, FieldSet<FieldDescriptor> extensions, int tag) throws IOException { if (type.getOptions().getMessageSetWireFormat() && tag == WireFormat.MESSAGE_SET_ITEM_TAG) { mergeMessageSetExtensionFromCodedStream( input, unknownFields, extensionRegistry, type, builder, extensions); return true; } final int wireType = WireFormat.getTagWireType(tag); final int fieldNumber = WireFormat.getTagFieldNumber(tag); final FieldDescriptor field; Message defaultInstance = null; if (type.isExtensionNumber(fieldNumber)) { // extensionRegistry may be either ExtensionRegistry or // ExtensionRegistryLite. Since the type we are parsing is a full // message, only a full ExtensionRegistry could possibly contain // extensions of it. Otherwise we will treat the registry as if it // were empty. if (extensionRegistry instanceof ExtensionRegistry) { final ExtensionRegistry.ExtensionInfo extension = ((ExtensionRegistry) extensionRegistry).findExtensionByNumber(type, fieldNumber); if (extension == null) { field = null; } else { field = extension.descriptor; defaultInstance = extension.defaultInstance; if (defaultInstance == null && field.getJavaType() == FieldDescriptor.JavaType.MESSAGE) { throw new IllegalStateException( "Message-typed extension lacked default instance: " + field.getFullName()); } } } else { field = null; } } else if (builder != null) { field = type.findFieldByNumber(fieldNumber); } else { field = null; } boolean unknown = false; boolean packed = false; if (field == null) { unknown = true; // Unknown field. } else if (wireType == FieldSet.getWireFormatForFieldType(field.getLiteType(), false /* isPacked */)) { packed = false; } else if (field.isPackable() && wireType == FieldSet.getWireFormatForFieldType(field.getLiteType(), true /* isPacked */)) { packed = true; } else { unknown = true; // Unknown wire type. } if (unknown) { // Unknown field or wrong wire type. Skip. return unknownFields.mergeFieldFrom(tag, input); } if (packed) { final int length = input.readRawVarint32(); final int limit = input.pushLimit(length); if (field.getLiteType() == WireFormat.FieldType.ENUM) { while (input.getBytesUntilLimit() > 0) { final int rawValue = input.readEnum(); final Object value = field.getEnumType().findValueByNumber(rawValue); if (value == null) { // If the number isn't recognized as a valid value for this // enum, drop it (don't even add it to unknownFields). return true; } addRepeatedField(builder, extensions, field, value); } } else { while (input.getBytesUntilLimit() > 0) { final Object value = FieldSet.readPrimitiveField(input, field.getLiteType()); addRepeatedField(builder, extensions, field, value); } } input.popLimit(limit); } else { final Object value; switch (field.getType()) { case GROUP: { final Message.Builder subBuilder; if (defaultInstance != null) { subBuilder = defaultInstance.newBuilderForType(); } else { subBuilder = builder.newBuilderForField(field); } if (!field.isRepeated()) { mergeOriginalMessage(builder, extensions, field, subBuilder); } input.readGroup(field.getNumber(), subBuilder, extensionRegistry); value = subBuilder.buildPartial(); break; } case MESSAGE: { final Message.Builder subBuilder; if (defaultInstance != null) { subBuilder = defaultInstance.newBuilderForType(); } else { subBuilder = builder.newBuilderForField(field); } if (!field.isRepeated()) { mergeOriginalMessage(builder, extensions, field, subBuilder); } input.readMessage(subBuilder, extensionRegistry); value = subBuilder.buildPartial(); break; } case ENUM: final int rawValue = input.readEnum(); value = field.getEnumType().findValueByNumber(rawValue); // If the number isn't recognized as a valid value for this enum, // drop it. if (value == null) { unknownFields.mergeVarintField(fieldNumber, rawValue); return true; } break; default: value = FieldSet.readPrimitiveField(input, field.getLiteType()); break; } if (field.isRepeated()) { addRepeatedField(builder, extensions, field, value); } else { setField(builder, extensions, field, value); } } return true; }
/** * Like {@link #mergeFrom(CodedInputStream, UnknownFieldSet.Builder, ExtensionRegistryLite, * Message.Builder)}, but parses a single field. Package-private because it is used by * GeneratedMessage.ExtendableMessage. * * @param tag The tag, which should have already been read. * @return {@code true} unless the tag is an end-group tag. */ @SuppressWarnings("unchecked") static boolean mergeFieldFrom( final CodedInputStream input, final UnknownFieldSet.Builder unknownFields, final ExtensionRegistryLite extensionRegistry, final Message.Builder builder, final int tag) throws IOException { final Descriptor type = builder.getDescriptorForType(); if (type.getOptions().getMessageSetWireFormat() && tag == WireFormat.MESSAGE_SET_ITEM_TAG) { mergeMessageSetExtensionFromCodedStream(input, unknownFields, extensionRegistry, builder); return true; } final int wireType = WireFormat.getTagWireType(tag); final int fieldNumber = WireFormat.getTagFieldNumber(tag); final FieldDescriptor field; Message defaultInstance = null; if (type.isExtensionNumber(fieldNumber)) { // extensionRegistry may be either ExtensionRegistry or // ExtensionRegistryLite. Since the type we are parsing is a full // message, only a full ExtensionRegistry could possibly contain // extensions of it. Otherwise we will treat the registry as if it // were empty. if (extensionRegistry instanceof ExtensionRegistry) { final ExtensionRegistry.ExtensionInfo extension = ((ExtensionRegistry) extensionRegistry).findExtensionByNumber(type, fieldNumber); if (extension == null) { field = null; } else { field = extension.descriptor; defaultInstance = extension.defaultInstance; } } else { field = null; } } else { field = type.findFieldByNumber(fieldNumber); } if (field == null || wireType != FieldSet.getWireFormatForFieldType( field.getLiteType(), field.getOptions().getPacked())) { // Unknown field or wrong wire type. Skip. return unknownFields.mergeFieldFrom(tag, input); } if (field.getOptions().getPacked()) { final int length = input.readRawVarint32(); final int limit = input.pushLimit(length); if (field.getLiteType() == WireFormat.FieldType.ENUM) { while (input.getBytesUntilLimit() > 0) { final int rawValue = input.readEnum(); final Object value = field.getEnumType().findValueByNumber(rawValue); if (value == null) { // If the number isn't recognized as a valid value for this // enum, drop it (don't even add it to unknownFields). return true; } builder.addRepeatedField(field, value); } } else { while (input.getBytesUntilLimit() > 0) { final Object value = FieldSet.readPrimitiveField(input, field.getLiteType()); builder.addRepeatedField(field, value); } } input.popLimit(limit); } else { final Object value; switch (field.getType()) { case GROUP: { final Message.Builder subBuilder; if (defaultInstance != null) { subBuilder = defaultInstance.newBuilderForType(); } else { subBuilder = builder.newBuilderForField(field); } if (!field.isRepeated()) { subBuilder.mergeFrom((Message) builder.getField(field)); } input.readGroup(field.getNumber(), subBuilder, extensionRegistry); value = subBuilder.build(); break; } case MESSAGE: { final Message.Builder subBuilder; if (defaultInstance != null) { subBuilder = defaultInstance.newBuilderForType(); } else { subBuilder = builder.newBuilderForField(field); } if (!field.isRepeated()) { subBuilder.mergeFrom((Message) builder.getField(field)); } input.readMessage(subBuilder, extensionRegistry); value = subBuilder.build(); break; } case ENUM: final int rawValue = input.readEnum(); value = field.getEnumType().findValueByNumber(rawValue); // If the number isn't recognized as a valid value for this enum, // drop it. if (value == null) { unknownFields.mergeVarintField(fieldNumber, rawValue); return true; } break; default: value = FieldSet.readPrimitiveField(input, field.getLiteType()); break; } if (field.isRepeated()) { builder.addRepeatedField(field, value); } else { builder.setField(field, value); } } return true; }