diff options
Diffstat (limited to 'java/src/main/java/com/google/protobuf/nano/Extension.java')
-rw-r--r-- | java/src/main/java/com/google/protobuf/nano/Extension.java | 700 |
1 files changed, 637 insertions, 63 deletions
diff --git a/java/src/main/java/com/google/protobuf/nano/Extension.java b/java/src/main/java/com/google/protobuf/nano/Extension.java index 4512b01..177a9cc 100644 --- a/java/src/main/java/com/google/protobuf/nano/Extension.java +++ b/java/src/main/java/com/google/protobuf/nano/Extension.java @@ -30,85 +30,659 @@ package com.google.protobuf.nano; -import java.lang.reflect.ParameterizedType; -import java.lang.reflect.Type; +import java.io.IOException; +import java.lang.reflect.Array; +import java.util.ArrayList; import java.util.List; /** * Represents an extension. * * @author bduff@google.com (Brian Duff) - * @param <T> the type of the extension. + * @author maxtroy@google.com (Max Cai) + * @param <M> the type of the extendable message this extension is for. + * @param <T> the Java type of the extension; see {@link #clazz}. */ -public class Extension<T> { - public final int fieldNumber; - public boolean isRepeatedField; - public Class<T> fieldType; - public Class<T> listType; - - private Extension(int fieldNumber, TypeLiteral<T> type) { - this.fieldNumber = fieldNumber; - isRepeatedField = type.isList(); - fieldType = type.getTargetClass(); - listType = isRepeatedField ? type.getListType() : null; - } - - /** - * Creates a new instance of {@code Extension} for the specified {@code fieldNumber} and - * {@code type}. - */ - public static <T> Extension<T> create(int fieldNumber, TypeLiteral<T> type) { - return new Extension<T>(fieldNumber, type); - } - - /** - * Creates a new instance of {@code Extension} for the specified {@code fieldNumber} and - * {@code type}. This version is used for repeated fields. - */ - public static <T> Extension<List<T>> createRepeated(int fieldNumber, TypeLiteral<List<T>> type) { - return new Extension<List<T>>(fieldNumber, type); - } - - /** - * Represents a generic type literal. We can't typesafely reference a - * Class<List<Foo>>.class in Java, so we use this instead. - * See: http://gafter.blogspot.com/2006/12/super-type-tokens.html - * - * <p>Somewhat specialized because we only ever have a Foo or a List<Foo>. - */ - public static abstract class TypeLiteral<T> { - private final Type type; - - protected TypeLiteral() { - Type superclass = getClass().getGenericSuperclass(); - if (superclass instanceof Class) { - throw new RuntimeException("Missing type parameter"); - } - this.type = ((ParameterizedType) superclass).getActualTypeArguments()[0]; +public class Extension<M extends ExtendableMessageNano<M>, T> { + + /* + * Because we typically only define message-typed extensions, the Extension class hierarchy is + * designed as follows, to allow a big amount of code in this file to be removed by ProGuard: + * + * Extension // ready to use for message/group typed extensions + * Δ + * | + * PrimitiveExtension // for primitive/enum typed extensions + */ + + public static final int TYPE_DOUBLE = 1; + public static final int TYPE_FLOAT = 2; + public static final int TYPE_INT64 = 3; + public static final int TYPE_UINT64 = 4; + public static final int TYPE_INT32 = 5; + public static final int TYPE_FIXED64 = 6; + public static final int TYPE_FIXED32 = 7; + public static final int TYPE_BOOL = 8; + public static final int TYPE_STRING = 9; + public static final int TYPE_GROUP = 10; + public static final int TYPE_MESSAGE = 11; + public static final int TYPE_BYTES = 12; + public static final int TYPE_UINT32 = 13; + public static final int TYPE_ENUM = 14; + public static final int TYPE_SFIXED32 = 15; + public static final int TYPE_SFIXED64 = 16; + public static final int TYPE_SINT32 = 17; + public static final int TYPE_SINT64 = 18; + + /** + * Creates an {@code Extension} of the given message type and tag number. + * Should be used by the generated code only. + * + * @param type {@link #TYPE_MESSAGE} or {@link #TYPE_GROUP} + */ + public static <M extends ExtendableMessageNano<M>, T extends MessageNano> + Extension<M, T> createMessageTyped(int type, Class<T> clazz, int tag) { + return new Extension<M, T>(type, clazz, tag, false); + } + + /** + * Creates a repeated {@code Extension} of the given message type and tag number. + * Should be used by the generated code only. + * + * @param type {@link #TYPE_MESSAGE} or {@link #TYPE_GROUP} + */ + public static <M extends ExtendableMessageNano<M>, T extends MessageNano> + Extension<M, T[]> createRepeatedMessageTyped(int type, Class<T[]> clazz, int tag) { + return new Extension<M, T[]>(type, clazz, tag, true); + } + + /** + * Creates an {@code Extension} of the given primitive type and tag number. + * Should be used by the generated code only. + * + * @param type one of {@code TYPE_*}, except {@link #TYPE_MESSAGE} and {@link #TYPE_GROUP} + * @param clazz the boxed Java type of this extension + */ + public static <M extends ExtendableMessageNano<M>, T> + Extension<M, T> createPrimitiveTyped(int type, Class<T> clazz, int tag) { + return new PrimitiveExtension<M, T>(type, clazz, tag, false, 0, 0); + } + + /** + * Creates a repeated {@code Extension} of the given primitive type and tag number. + * Should be used by the generated code only. + * + * @param type one of {@code TYPE_*}, except {@link #TYPE_MESSAGE} and {@link #TYPE_GROUP} + * @param clazz the Java array type of this extension, with an unboxed component type + */ + public static <M extends ExtendableMessageNano<M>, T> + Extension<M, T> createRepeatedPrimitiveTyped( + int type, Class<T> clazz, int tag, int nonPackedTag, int packedTag) { + return new PrimitiveExtension<M, T>(type, clazz, tag, true, nonPackedTag, packedTag); + } + + /** + * Protocol Buffer type of this extension; one of the {@code TYPE_} constants. + */ + protected final int type; + + /** + * Java type of this extension. For a singular extension, this is the boxed Java type for the + * Protocol Buffer {@link #type}; for a repeated extension, this is an array type whose + * component type is the unboxed Java type for {@link #type}. For example, for a singular + * {@code int32}/{@link #TYPE_INT32} extension, this equals {@code Integer.class}; for a + * repeated {@code int32} extension, this equals {@code int[].class}. + */ + protected final Class<T> clazz; + + /** + * Tag number of this extension. + */ + protected final int tag; + + /** + * Whether this extension is repeated. + */ + protected final boolean repeated; + + private Extension(int type, Class<T> clazz, int tag, boolean repeated) { + this.type = type; + this.clazz = clazz; + this.tag = tag; + this.repeated = repeated; + } + + protected boolean isMatch(int unknownDataTag) { + // This implementation is for message/group extensions. + return unknownDataTag == tag; + } + + /** + * Returns the value of this extension stored in the given list of unknown fields, or + * {@code null} if no unknown fields matches this extension. + */ + final T getValueFrom(List<UnknownFieldData> unknownFields) { + if (unknownFields == null) { + return null; + } + + if (repeated) { + // For repeated extensions, read all matching unknown fields in their original order. + List<Object> resultList = new ArrayList<Object>(); + for (int i = 0; i < unknownFields.size(); i++) { + UnknownFieldData data = unknownFields.get(i); + if (isMatch(data.tag) && data.bytes.length != 0) { + readDataInto(data, resultList); + } + } + + int resultSize = resultList.size(); + if (resultSize == 0) { + return null; + } + + T result = clazz.cast(Array.newInstance(clazz.getComponentType(), resultSize)); + for (int i = 0; i < resultSize; i++) { + Array.set(result, i, resultList.get(i)); + } + return result; + } else { + // For singular extensions, get the last piece of data stored under this extension. + UnknownFieldData lastData = null; + for (int i = unknownFields.size() - 1; lastData == null && i >= 0; i--) { + UnknownFieldData data = unknownFields.get(i); + if (isMatch(data.tag) && data.bytes.length != 0) { + lastData = data; + } + } + + if (lastData == null) { + return null; + } + + return clazz.cast(readData(CodedInputByteBufferNano.newInstance(lastData.bytes))); + } + } + + protected Object readData(CodedInputByteBufferNano input) { + // This implementation is for message/group extensions. + Class<?> messageType = repeated ? clazz.getComponentType() : clazz; + try { + switch (type) { + case TYPE_GROUP: + MessageNano group = (MessageNano) messageType.newInstance(); + input.readGroup(group, WireFormatNano.getTagFieldNumber(tag)); + return group; + case TYPE_MESSAGE: + MessageNano message = (MessageNano) messageType.newInstance(); + input.readMessage(message); + return message; + default: + throw new IllegalArgumentException("Unknown type " + type); + } + } catch (InstantiationException e) { + throw new IllegalArgumentException( + "Error creating instance of class " + messageType, e); + } catch (IllegalAccessException e) { + throw new IllegalArgumentException( + "Error creating instance of class " + messageType, e); + } catch (IOException e) { + throw new IllegalArgumentException("Error reading extension field", e); + } + } + + protected void readDataInto(UnknownFieldData data, List<Object> resultList) { + // This implementation is for message/group extensions. + resultList.add(readData(CodedInputByteBufferNano.newInstance(data.bytes))); } /** - * If the generic type is a list, returns {@code true}. + * Sets the value of this extension to the given list of unknown fields. This removes any + * previously stored data matching this extension. + * + * @param value The value of this extension, or {@code null} to clear this extension from the + * unknown fields. + * @return The same {@code unknownFields} list, or a new list storing the extension value if + * the argument was null. */ - private boolean isList() { - return type instanceof ParameterizedType; + final List<UnknownFieldData> setValueTo(T value, List<UnknownFieldData> unknownFields) { + if (unknownFields != null) { + // Delete all data matching this extension + for (int i = unknownFields.size() - 1; i >= 0; i--) { + if (isMatch(unknownFields.get(i).tag)) { + unknownFields.remove(i); + } + } + } + + if (value != null) { + if (unknownFields == null) { + unknownFields = new ArrayList<UnknownFieldData>(); + } + if (repeated) { + writeDataInto(value, unknownFields); + } else { + unknownFields.add(writeData(value)); + } + } + + // After deletion or no-op addition (due to 'value' being an array of empty or + // null-only elements), unknownFields may be empty. Discard the ArrayList if so. + return (unknownFields.size() == 0) ? null : unknownFields; } - @SuppressWarnings("unchecked") - private Class<T> getListType() { - return (Class<T>) ((ParameterizedType) type).getRawType(); + protected UnknownFieldData writeData(Object value) { + // This implementation is for message/group extensions. + byte[] data; + try { + switch (type) { + case TYPE_GROUP: + MessageNano groupValue = (MessageNano) value; + int fieldNumber = WireFormatNano.getTagFieldNumber(tag); + data = new byte[CodedOutputByteBufferNano.computeGroupSizeNoTag(groupValue) + + CodedOutputByteBufferNano.computeTagSize(fieldNumber)]; + CodedOutputByteBufferNano out = CodedOutputByteBufferNano.newInstance(data); + out.writeGroupNoTag(groupValue); + // The endgroup tag must be included in the data payload. + out.writeTag(fieldNumber, WireFormatNano.WIRETYPE_END_GROUP); + break; + case TYPE_MESSAGE: + MessageNano messageValue = (MessageNano) value; + data = new byte[ + CodedOutputByteBufferNano.computeMessageSizeNoTag(messageValue)]; + CodedOutputByteBufferNano.newInstance(data).writeMessageNoTag(messageValue); + break; + default: + throw new IllegalArgumentException("Unknown type " + type); + } + } catch (IOException e) { + // Should not happen + throw new IllegalStateException(e); + } + return new UnknownFieldData(tag, data); + } + + protected void writeDataInto(T array, List<UnknownFieldData> unknownFields) { + // This implementation is for non-packed extensions. + int arrayLength = Array.getLength(array); + for (int i = 0; i < arrayLength; i++) { + Object element = Array.get(array, i); + if (element != null) { + unknownFields.add(writeData(element)); + } + } } /** - * If the generic type is a list, returns the type of element in the list. Otherwise, - * returns the actual type. + * Represents an extension of a primitive (including enum) type. If there is no primitive + * extensions, this subclass will be removable by ProGuard. */ - @SuppressWarnings("unchecked") - private Class<T> getTargetClass() { - if (isList()) { - return (Class<T>) ((ParameterizedType) type).getActualTypeArguments()[0]; - } - return (Class<T>) type; + private static class PrimitiveExtension<M extends ExtendableMessageNano<M>, T> + extends Extension<M, T> { + + /** + * Tag of a piece of non-packed data from the wire compatible with this extension. + */ + private final int nonPackedTag; + + /** + * Tag of a piece of packed data from the wire compatible with this extension. + * 0 if the type of this extension is not packable. + */ + private final int packedTag; + + public PrimitiveExtension(int type, Class<T> clazz, int tag, boolean repeated, + int nonPackedTag, int packedTag) { + super(type, clazz, tag, repeated); + this.nonPackedTag = nonPackedTag; + this.packedTag = packedTag; + } + + @Override + protected boolean isMatch(int unknownDataTag) { + if (repeated) { + return unknownDataTag == nonPackedTag || unknownDataTag == packedTag; + } else { + return unknownDataTag == tag; + } + } + + @Override + protected Object readData(CodedInputByteBufferNano input) { + try { + switch (type) { + case TYPE_DOUBLE: + return input.readDouble(); + case TYPE_FLOAT: + return input.readFloat(); + case TYPE_INT64: + return input.readInt64(); + case TYPE_UINT64: + return input.readUInt64(); + case TYPE_INT32: + return input.readInt32(); + case TYPE_FIXED64: + return input.readFixed64(); + case TYPE_FIXED32: + return input.readFixed32(); + case TYPE_BOOL: + return input.readBool(); + case TYPE_STRING: + return input.readString(); + case TYPE_BYTES: + return input.readBytes(); + case TYPE_UINT32: + return input.readUInt32(); + case TYPE_ENUM: + return input.readEnum(); + case TYPE_SFIXED32: + return input.readSFixed32(); + case TYPE_SFIXED64: + return input.readSFixed64(); + case TYPE_SINT32: + return input.readSInt32(); + case TYPE_SINT64: + return input.readSInt64(); + default: + throw new IllegalArgumentException("Unknown type " + type); + } + } catch (IOException e) { + throw new IllegalArgumentException("Error reading extension field", e); + } + } + + @Override + protected void readDataInto(UnknownFieldData data, List<Object> resultList) { + // This implementation is for primitive typed extensions, + // which can read both packed and non-packed data. + if (data.tag == nonPackedTag) { + resultList.add(readData(CodedInputByteBufferNano.newInstance(data.bytes))); + } else { + CodedInputByteBufferNano buffer = CodedInputByteBufferNano.newInstance(data.bytes); + try { + buffer.pushLimit(buffer.readRawVarint32()); // length limit + } catch (IOException e) { + throw new IllegalArgumentException("Error reading extension field", e); + } + while (!buffer.isAtEnd()) { + resultList.add(readData(buffer)); + } + } + } + + @Override + protected final UnknownFieldData writeData(Object value) { + byte[] data; + try { + switch (type) { + case TYPE_DOUBLE: + Double doubleValue = (Double) value; + data = new byte[ + CodedOutputByteBufferNano.computeDoubleSizeNoTag(doubleValue)]; + CodedOutputByteBufferNano.newInstance(data).writeDoubleNoTag(doubleValue); + break; + case TYPE_FLOAT: + Float floatValue = (Float) value; + data = new byte[ + CodedOutputByteBufferNano.computeFloatSizeNoTag(floatValue)]; + CodedOutputByteBufferNano.newInstance(data).writeFloatNoTag(floatValue); + break; + case TYPE_INT64: + Long int64Value = (Long) value; + data = new byte[ + CodedOutputByteBufferNano.computeInt64SizeNoTag(int64Value)]; + CodedOutputByteBufferNano.newInstance(data).writeInt64NoTag(int64Value); + break; + case TYPE_UINT64: + Long uint64Value = (Long) value; + data = new byte[ + CodedOutputByteBufferNano.computeUInt64SizeNoTag(uint64Value)]; + CodedOutputByteBufferNano.newInstance(data).writeUInt64NoTag(uint64Value); + break; + case TYPE_INT32: + Integer int32Value = (Integer) value; + data = new byte[ + CodedOutputByteBufferNano.computeInt32SizeNoTag(int32Value)]; + CodedOutputByteBufferNano.newInstance(data).writeInt32NoTag(int32Value); + break; + case TYPE_FIXED64: + Long fixed64Value = (Long) value; + data = new byte[ + CodedOutputByteBufferNano.computeFixed64SizeNoTag(fixed64Value)]; + CodedOutputByteBufferNano.newInstance(data).writeFixed64NoTag(fixed64Value); + break; + case TYPE_FIXED32: + Integer fixed32Value = (Integer) value; + data = new byte[ + CodedOutputByteBufferNano.computeFixed32SizeNoTag(fixed32Value)]; + CodedOutputByteBufferNano.newInstance(data).writeFixed32NoTag(fixed32Value); + break; + case TYPE_BOOL: + Boolean boolValue = (Boolean) value; + data = new byte[CodedOutputByteBufferNano.computeBoolSizeNoTag(boolValue)]; + CodedOutputByteBufferNano.newInstance(data).writeBoolNoTag(boolValue); + break; + case TYPE_STRING: + String stringValue = (String) value; + data = new byte[ + CodedOutputByteBufferNano.computeStringSizeNoTag(stringValue)]; + CodedOutputByteBufferNano.newInstance(data).writeStringNoTag(stringValue); + break; + case TYPE_BYTES: + byte[] bytesValue = (byte[]) value; + data = new byte[ + CodedOutputByteBufferNano.computeBytesSizeNoTag(bytesValue)]; + CodedOutputByteBufferNano.newInstance(data).writeBytesNoTag(bytesValue); + break; + case TYPE_UINT32: + Integer uint32Value = (Integer) value; + data = new byte[ + CodedOutputByteBufferNano.computeUInt32SizeNoTag(uint32Value)]; + CodedOutputByteBufferNano.newInstance(data).writeUInt32NoTag(uint32Value); + break; + case TYPE_ENUM: + Integer enumValue = (Integer) value; + data = new byte[CodedOutputByteBufferNano.computeEnumSizeNoTag(enumValue)]; + CodedOutputByteBufferNano.newInstance(data).writeEnumNoTag(enumValue); + break; + case TYPE_SFIXED32: + Integer sfixed32Value = (Integer) value; + data = new byte[ + CodedOutputByteBufferNano.computeSFixed32SizeNoTag(sfixed32Value)]; + CodedOutputByteBufferNano.newInstance(data) + .writeSFixed32NoTag(sfixed32Value); + break; + case TYPE_SFIXED64: + Long sfixed64Value = (Long) value; + data = new byte[ + CodedOutputByteBufferNano.computeSFixed64SizeNoTag(sfixed64Value)]; + CodedOutputByteBufferNano.newInstance(data) + .writeSFixed64NoTag(sfixed64Value); + break; + case TYPE_SINT32: + Integer sint32Value = (Integer) value; + data = new byte[ + CodedOutputByteBufferNano.computeSInt32SizeNoTag(sint32Value)]; + CodedOutputByteBufferNano.newInstance(data).writeSInt32NoTag(sint32Value); + break; + case TYPE_SINT64: + Long sint64Value = (Long) value; + data = new byte[ + CodedOutputByteBufferNano.computeSInt64SizeNoTag(sint64Value)]; + CodedOutputByteBufferNano.newInstance(data).writeSInt64NoTag(sint64Value); + break; + default: + throw new IllegalArgumentException("Unknown type " + type); + } + } catch (IOException e) { + // Should not happen + throw new IllegalStateException(e); + } + return new UnknownFieldData(tag, data); + } + + @Override + protected void writeDataInto(T array, List<UnknownFieldData> unknownFields) { + if (tag == nonPackedTag) { + // Use base implementation for non-packed data + super.writeDataInto(array, unknownFields); + } else if (tag == packedTag) { + // Packed. Note that the array element type is guaranteed to be primitive, so there + // won't be any null elements, so no null check in this block. First get data size. + int arrayLength = Array.getLength(array); + int dataSize = 0; + switch (type) { + case TYPE_BOOL: + // Bools are stored as int32 but just as 0 or 1, so 1 byte each. + dataSize = arrayLength; + break; + case TYPE_FIXED32: + case TYPE_SFIXED32: + case TYPE_FLOAT: + dataSize = arrayLength * CodedOutputByteBufferNano.LITTLE_ENDIAN_32_SIZE; + break; + case TYPE_FIXED64: + case TYPE_SFIXED64: + case TYPE_DOUBLE: + dataSize = arrayLength * CodedOutputByteBufferNano.LITTLE_ENDIAN_64_SIZE; + break; + case TYPE_INT32: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeInt32SizeNoTag( + Array.getInt(array, i)); + } + break; + case TYPE_SINT32: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeSInt32SizeNoTag( + Array.getInt(array, i)); + } + break; + case TYPE_UINT32: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeUInt32SizeNoTag( + Array.getInt(array, i)); + } + break; + case TYPE_INT64: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeInt64SizeNoTag( + Array.getLong(array, i)); + } + break; + case TYPE_SINT64: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeSInt64SizeNoTag( + Array.getLong(array, i)); + } + break; + case TYPE_UINT64: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeUInt64SizeNoTag( + Array.getLong(array, i)); + } + break; + case TYPE_ENUM: + for (int i = 0; i < arrayLength; i++) { + dataSize += CodedOutputByteBufferNano.computeEnumSizeNoTag( + Array.getInt(array, i)); + } + break; + default: + throw new IllegalArgumentException("Unexpected non-packable type " + type); + } + + // Then construct payload. + int payloadSize = + dataSize + CodedOutputByteBufferNano.computeRawVarint32Size(dataSize); + byte[] data = new byte[payloadSize]; + CodedOutputByteBufferNano output = CodedOutputByteBufferNano.newInstance(data); + try { + output.writeRawVarint32(dataSize); + switch (type) { + case TYPE_BOOL: + for (int i = 0; i < arrayLength; i++) { + output.writeBoolNoTag(Array.getBoolean(array, i)); + } + break; + case TYPE_FIXED32: + for (int i = 0; i < arrayLength; i++) { + output.writeFixed32NoTag(Array.getInt(array, i)); + } + break; + case TYPE_SFIXED32: + for (int i = 0; i < arrayLength; i++) { + output.writeSFixed32NoTag(Array.getInt(array, i)); + } + break; + case TYPE_FLOAT: + for (int i = 0; i < arrayLength; i++) { + output.writeFloatNoTag(Array.getFloat(array, i)); + } + break; + case TYPE_FIXED64: + for (int i = 0; i < arrayLength; i++) { + output.writeFixed64NoTag(Array.getLong(array, i)); + } + break; + case TYPE_SFIXED64: + for (int i = 0; i < arrayLength; i++) { + output.writeSFixed64NoTag(Array.getLong(array, i)); + } + break; + case TYPE_DOUBLE: + for (int i = 0; i < arrayLength; i++) { + output.writeDoubleNoTag(Array.getDouble(array, i)); + } + break; + case TYPE_INT32: + for (int i = 0; i < arrayLength; i++) { + output.writeInt32NoTag(Array.getInt(array, i)); + } + break; + case TYPE_SINT32: + for (int i = 0; i < arrayLength; i++) { + output.writeSInt32NoTag(Array.getInt(array, i)); + } + break; + case TYPE_UINT32: + for (int i = 0; i < arrayLength; i++) { + output.writeUInt32NoTag(Array.getInt(array, i)); + } + break; + case TYPE_INT64: + for (int i = 0; i < arrayLength; i++) { + output.writeInt64NoTag(Array.getLong(array, i)); + } + break; + case TYPE_SINT64: + for (int i = 0; i < arrayLength; i++) { + output.writeSInt64NoTag(Array.getLong(array, i)); + } + break; + case TYPE_UINT64: + for (int i = 0; i < arrayLength; i++) { + output.writeUInt64NoTag(Array.getLong(array, i)); + } + break; + case TYPE_ENUM: + for (int i = 0; i < arrayLength; i++) { + output.writeEnumNoTag(Array.getInt(array, i)); + } + break; + default: + throw new IllegalArgumentException("Unpackable type " + type); + } + } catch (IOException e) { + // Should not happen. + throw new IllegalStateException(e); + } + unknownFields.add(new UnknownFieldData(tag, data)); + } else { + throw new IllegalArgumentException("Unexpected repeated extension tag " + tag + + ", unequal to both non-packed variant " + nonPackedTag + + " and packed variant " + packedTag); + } + } } - } } |