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Diffstat (limited to 'third_party/protobuf/java/core/src/main/java/com/google/protobuf/GeneratedMessageLite.java')
| -rw-r--r-- | third_party/protobuf/java/core/src/main/java/com/google/protobuf/GeneratedMessageLite.java | 2421 |
1 files changed, 0 insertions, 2421 deletions
diff --git a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/GeneratedMessageLite.java b/third_party/protobuf/java/core/src/main/java/com/google/protobuf/GeneratedMessageLite.java deleted file mode 100644 index 2d7fd33413..0000000000 --- a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/GeneratedMessageLite.java +++ /dev/null @@ -1,2421 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package com.google.protobuf; - -import com.google.protobuf.AbstractMessageLite.Builder.LimitedInputStream; -import com.google.protobuf.GeneratedMessageLite.EqualsVisitor.NotEqualsException; -import com.google.protobuf.Internal.BooleanList; -import com.google.protobuf.Internal.DoubleList; -import com.google.protobuf.Internal.FloatList; -import com.google.protobuf.Internal.IntList; -import com.google.protobuf.Internal.LongList; -import com.google.protobuf.Internal.ProtobufList; -import com.google.protobuf.WireFormat.FieldType; -import java.io.IOException; -import java.io.InputStream; -import java.io.ObjectStreamException; -import java.io.Serializable; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.util.ArrayList; -import java.util.Collections; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -/** - * Lite version of {@link GeneratedMessage}. - * - * @author kenton@google.com Kenton Varda - */ -public abstract class GeneratedMessageLite< - MessageType extends GeneratedMessageLite<MessageType, BuilderType>, - BuilderType extends GeneratedMessageLite.Builder<MessageType, BuilderType>> - extends AbstractMessageLite<MessageType, BuilderType> { - - /** For use by generated code only. Lazily initialized to reduce allocations. */ - protected UnknownFieldSetLite unknownFields = UnknownFieldSetLite.getDefaultInstance(); - - /** For use by generated code only. */ - protected int memoizedSerializedSize = -1; - - @Override - @SuppressWarnings("unchecked") // Guaranteed by runtime. - public final Parser<MessageType> getParserForType() { - return (Parser<MessageType>) dynamicMethod(MethodToInvoke.GET_PARSER); - } - - @Override - @SuppressWarnings("unchecked") // Guaranteed by runtime. - public final MessageType getDefaultInstanceForType() { - return (MessageType) dynamicMethod(MethodToInvoke.GET_DEFAULT_INSTANCE); - } - - @Override - @SuppressWarnings("unchecked") // Guaranteed by runtime. - public final BuilderType newBuilderForType() { - return (BuilderType) dynamicMethod(MethodToInvoke.NEW_BUILDER); - } - - /** - * A reflective toString function. This is primarily intended as a developer aid, while keeping - * binary size down. The first line of the {@code toString()} representation includes a commented - * version of {@code super.toString()} to act as an indicator that this should not be relied on - * for comparisons. - * <p> - * NOTE: This method relies on the field getter methods not being stripped or renamed by proguard. - * If they are, the fields will not be included in the returned string representation. - * <p> - * NOTE: This implementation is liable to change in the future, and should not be relied on in - * code. - */ - @Override - public String toString() { - return MessageLiteToString.toString(this, super.toString()); - } - - @SuppressWarnings("unchecked") // Guaranteed by runtime - @Override - public int hashCode() { - if (memoizedHashCode == 0) { - HashCodeVisitor visitor = new HashCodeVisitor(); - visit(visitor, (MessageType) this); - memoizedHashCode = visitor.hashCode; - } - return memoizedHashCode; - } - - @SuppressWarnings("unchecked") // Guaranteed by runtime - int hashCode(HashCodeVisitor visitor) { - if (memoizedHashCode == 0) { - int inProgressHashCode = visitor.hashCode; - visitor.hashCode = 0; - visit(visitor, (MessageType) this); - memoizedHashCode = visitor.hashCode; - visitor.hashCode = inProgressHashCode; - } - return memoizedHashCode; - } - - @SuppressWarnings("unchecked") // Guaranteed by isInstance + runtime - @Override - public boolean equals(Object other) { - if (this == other) { - return true; - } - - if (!getDefaultInstanceForType().getClass().isInstance(other)) { - return false; - } - - try { - visit(EqualsVisitor.INSTANCE, (MessageType) other); - } catch (NotEqualsException e) { - return false; - } - return true; - } - - /** - * Same as {@link #equals(Object)} but throws {@code NotEqualsException}. - */ - @SuppressWarnings("unchecked") // Guaranteed by isInstance + runtime - boolean equals(EqualsVisitor visitor, MessageLite other) { - if (this == other) { - return true; - } - - if (!getDefaultInstanceForType().getClass().isInstance(other)) { - return false; - } - - visit(visitor, (MessageType) other); - return true; - } - - // The general strategy for unknown fields is to use an UnknownFieldSetLite that is treated as - // mutable during the parsing constructor and immutable after. This allows us to avoid - // any unnecessary intermediary allocations while reducing the generated code size. - - /** - * Lazily initializes unknown fields. - */ - private final void ensureUnknownFieldsInitialized() { - if (unknownFields == UnknownFieldSetLite.getDefaultInstance()) { - unknownFields = UnknownFieldSetLite.newInstance(); - } - } - - /** - * Called by subclasses to parse an unknown field. For use by generated code only. - * - * @return {@code true} unless the tag is an end-group tag. - */ - protected boolean parseUnknownField(int tag, CodedInputStream input) throws IOException { - // This will avoid the allocation of unknown fields when a group tag is encountered. - if (WireFormat.getTagWireType(tag) == WireFormat.WIRETYPE_END_GROUP) { - return false; - } - - ensureUnknownFieldsInitialized(); - return unknownFields.mergeFieldFrom(tag, input); - } - - /** - * Called by subclasses to parse an unknown field. For use by generated code only. - */ - protected void mergeVarintField(int tag, int value) { - ensureUnknownFieldsInitialized(); - unknownFields.mergeVarintField(tag, value); - } - - /** - * Called by subclasses to parse an unknown field. For use by generated code only. - */ - protected void mergeLengthDelimitedField(int fieldNumber, ByteString value) { - ensureUnknownFieldsInitialized(); - unknownFields.mergeLengthDelimitedField(fieldNumber, value); - } - - /** - * Called by subclasses to complete parsing. For use by generated code only. - */ - protected void makeImmutable() { - dynamicMethod(MethodToInvoke.MAKE_IMMUTABLE); - - unknownFields.makeImmutable(); - } - - @Override - public final boolean isInitialized() { - return dynamicMethod(MethodToInvoke.IS_INITIALIZED, Boolean.TRUE) != null; - } - - @Override - @SuppressWarnings("unchecked") - public final BuilderType toBuilder() { - BuilderType builder = (BuilderType) dynamicMethod(MethodToInvoke.NEW_BUILDER); - builder.mergeFrom((MessageType) this); - return builder; - } - - /** - * Defines which method path to invoke in {@link GeneratedMessageLite - * #dynamicMethod(MethodToInvoke, Object...)}. - * <p> - * For use by generated code only. - */ - public static enum MethodToInvoke { - // Rely on/modify instance state - IS_INITIALIZED, - VISIT, - MERGE_FROM_STREAM, - MAKE_IMMUTABLE, - - // Rely on static state - NEW_MUTABLE_INSTANCE, - NEW_BUILDER, - GET_DEFAULT_INSTANCE, - GET_PARSER; - } - - /** - * A method that implements different types of operations described in {@link MethodToInvoke}. - * Theses different kinds of operations are required to implement message-level operations for - * builders in the runtime. This method bundles those operations to reduce the generated methods - * count. - * <ul> - * <li>{@code MERGE_FROM_STREAM} is parameterized with an {@link CodedInputStream} and - * {@link ExtensionRegistryLite}. It consumes the input stream, parsing the contents into the - * returned protocol buffer. If parsing throws an {@link InvalidProtocolBufferException}, the - * implementation wraps it in a RuntimeException. - * <li>{@code NEW_INSTANCE} returns a new instance of the protocol buffer that has not yet been - * made immutable. See {@code MAKE_IMMUTABLE}. - * <li>{@code IS_INITIALIZED} is parameterized with a {@code Boolean} detailing whether to - * memoize. It returns {@code null} for false and the default instance for true. We optionally - * memoize to support the Builder case, where memoization is not desired. - * <li>{@code NEW_BUILDER} returns a {@code BuilderType} instance. - * <li>{@code VISIT} is parameterized with a {@code Visitor} and a {@code MessageType} and - * recursively iterates through the fields side by side between this and the instance. - * <li>{@code MAKE_IMMUTABLE} sets all internal fields to an immutable state. - * </ul> - * This method, plus the implementation of the Builder, enables the Builder class to be proguarded - * away entirely on Android. - * <p> - * For use by generated code only. - */ - protected abstract Object dynamicMethod(MethodToInvoke method, Object arg0, Object arg1); - - /** - * Same as {@link #dynamicMethod(MethodToInvoke, Object, Object)} with {@code null} padding. - */ - protected Object dynamicMethod(MethodToInvoke method, Object arg0) { - return dynamicMethod(method, arg0, null); - } - - /** - * Same as {@link #dynamicMethod(MethodToInvoke, Object, Object)} with {@code null} padding. - */ - protected Object dynamicMethod(MethodToInvoke method) { - return dynamicMethod(method, null, null); - } - - void visit(Visitor visitor, MessageType other) { - dynamicMethod(MethodToInvoke.VISIT, visitor, other); - unknownFields = visitor.visitUnknownFields(unknownFields, other.unknownFields); - } - - /** - * Merge some unknown fields into the {@link UnknownFieldSetLite} for this - * message. - * - * <p>For use by generated code only. - */ - protected final void mergeUnknownFields(UnknownFieldSetLite unknownFields) { - this.unknownFields = UnknownFieldSetLite.mutableCopyOf(this.unknownFields, unknownFields); - } - - @SuppressWarnings("unchecked") - public abstract static class Builder< - MessageType extends GeneratedMessageLite<MessageType, BuilderType>, - BuilderType extends Builder<MessageType, BuilderType>> - extends AbstractMessageLite.Builder<MessageType, BuilderType> { - - private final MessageType defaultInstance; - protected MessageType instance; - protected boolean isBuilt; - - protected Builder(MessageType defaultInstance) { - this.defaultInstance = defaultInstance; - this.instance = - (MessageType) defaultInstance.dynamicMethod(MethodToInvoke.NEW_MUTABLE_INSTANCE); - isBuilt = false; - } - - /** - * Called before any method that would mutate the builder to ensure that it correctly copies - * any state before the write happens to preserve immutability guarantees. - */ - protected void copyOnWrite() { - if (isBuilt) { - MessageType newInstance = - (MessageType) instance.dynamicMethod(MethodToInvoke.NEW_MUTABLE_INSTANCE); - newInstance.visit(MergeFromVisitor.INSTANCE, instance); - instance = newInstance; - isBuilt = false; - } - } - - @Override - public final boolean isInitialized() { - return GeneratedMessageLite.isInitialized(instance, false /* shouldMemoize */); - } - - @Override - public final BuilderType clear() { - // No need to copy on write since we're dropping the instance anyways. - instance = (MessageType) instance.dynamicMethod(MethodToInvoke.NEW_MUTABLE_INSTANCE); - return (BuilderType) this; - } - - @Override - public BuilderType clone() { - BuilderType builder = - (BuilderType) getDefaultInstanceForType().newBuilderForType(); - builder.mergeFrom(buildPartial()); - return builder; - } - - @Override - public MessageType buildPartial() { - if (isBuilt) { - return instance; - } - - instance.makeImmutable(); - - isBuilt = true; - return instance; - } - - @Override - public final MessageType build() { - MessageType result = buildPartial(); - if (!result.isInitialized()) { - throw newUninitializedMessageException(result); - } - return result; - } - - @Override - protected BuilderType internalMergeFrom(MessageType message) { - return mergeFrom(message); - } - - /** All subclasses implement this. */ - public BuilderType mergeFrom(MessageType message) { - copyOnWrite(); - instance.visit(MergeFromVisitor.INSTANCE, message); - return (BuilderType) this; - } - - @Override - public MessageType getDefaultInstanceForType() { - return defaultInstance; - } - - @Override - public BuilderType mergeFrom( - com.google.protobuf.CodedInputStream input, - com.google.protobuf.ExtensionRegistryLite extensionRegistry) - throws IOException { - copyOnWrite(); - try { - instance.dynamicMethod(MethodToInvoke.MERGE_FROM_STREAM, input, extensionRegistry); - } catch (RuntimeException e) { - if (e.getCause() instanceof IOException) { - throw (IOException) e.getCause(); - } - throw e; - } - return (BuilderType) this; - } - } - - - // ================================================================= - // Extensions-related stuff - - /** - * Lite equivalent of {@link com.google.protobuf.GeneratedMessage.ExtendableMessageOrBuilder}. - */ - public interface ExtendableMessageOrBuilder< - MessageType extends ExtendableMessage<MessageType, BuilderType>, - BuilderType extends ExtendableBuilder<MessageType, BuilderType>> - extends MessageLiteOrBuilder { - - /** Check if a singular extension is present. */ - <Type> boolean hasExtension( - ExtensionLite<MessageType, Type> extension); - - /** Get the number of elements in a repeated extension. */ - <Type> int getExtensionCount( - ExtensionLite<MessageType, List<Type>> extension); - - /** Get the value of an extension. */ - <Type> Type getExtension(ExtensionLite<MessageType, Type> extension); - - /** Get one element of a repeated extension. */ - <Type> Type getExtension( - ExtensionLite<MessageType, List<Type>> extension, - int index); - } - - /** - * Lite equivalent of {@link GeneratedMessage.ExtendableMessage}. - */ - public abstract static class ExtendableMessage< - MessageType extends ExtendableMessage<MessageType, BuilderType>, - BuilderType extends ExtendableBuilder<MessageType, BuilderType>> - extends GeneratedMessageLite<MessageType, BuilderType> - implements ExtendableMessageOrBuilder<MessageType, BuilderType> { - - /** - * Represents the set of extensions on this message. For use by generated - * code only. - */ - protected FieldSet<ExtensionDescriptor> extensions = FieldSet.newFieldSet(); - - @SuppressWarnings("unchecked") - protected final void mergeExtensionFields(final MessageType other) { - if (extensions.isImmutable()) { - extensions = extensions.clone(); - } - extensions.mergeFrom(((ExtendableMessage) other).extensions); - } - - @Override - final void visit(Visitor visitor, MessageType other) { - super.visit(visitor, other); - extensions = visitor.visitExtensions(extensions, other.extensions); - } - - /** - * Parse an unknown field or an extension. For use by generated code only. - * - * <p>For use by generated code only. - * - * @return {@code true} unless the tag is an end-group tag. - */ - protected <MessageType extends MessageLite> boolean parseUnknownField( - MessageType defaultInstance, - CodedInputStream input, - ExtensionRegistryLite extensionRegistry, - int tag) throws IOException { - int fieldNumber = WireFormat.getTagFieldNumber(tag); - - // TODO(dweis): How much bytecode would be saved by not requiring the generated code to - // provide the default instance? - GeneratedExtension<MessageType, ?> extension = extensionRegistry.findLiteExtensionByNumber( - defaultInstance, fieldNumber); - - return parseExtension(input, extensionRegistry, extension, tag, fieldNumber); - } - - private boolean parseExtension( - CodedInputStream input, - ExtensionRegistryLite extensionRegistry, - GeneratedExtension<?, ?> extension, - int tag, - int fieldNumber) - throws IOException { - int wireType = WireFormat.getTagWireType(tag); - boolean unknown = false; - boolean packed = false; - if (extension == null) { - unknown = true; // Unknown field. - } else if (wireType == FieldSet.getWireFormatForFieldType( - extension.descriptor.getLiteType(), - false /* isPacked */)) { - packed = false; // Normal, unpacked value. - } else if (extension.descriptor.isRepeated && - extension.descriptor.type.isPackable() && - wireType == FieldSet.getWireFormatForFieldType( - extension.descriptor.getLiteType(), - true /* isPacked */)) { - packed = true; // Packed value. - } else { - unknown = true; // Wrong wire type. - } - - if (unknown) { // Unknown field or wrong wire type. Skip. - return parseUnknownField(tag, input); - } - - if (packed) { - int length = input.readRawVarint32(); - int limit = input.pushLimit(length); - if (extension.descriptor.getLiteType() == WireFormat.FieldType.ENUM) { - while (input.getBytesUntilLimit() > 0) { - int rawValue = input.readEnum(); - Object value = - extension.descriptor.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; - } - extensions.addRepeatedField(extension.descriptor, - extension.singularToFieldSetType(value)); - } - } else { - while (input.getBytesUntilLimit() > 0) { - Object value = - FieldSet.readPrimitiveField(input, - extension.descriptor.getLiteType(), - /*checkUtf8=*/ false); - extensions.addRepeatedField(extension.descriptor, value); - } - } - input.popLimit(limit); - } else { - Object value; - switch (extension.descriptor.getLiteJavaType()) { - case MESSAGE: { - MessageLite.Builder subBuilder = null; - if (!extension.descriptor.isRepeated()) { - MessageLite existingValue = - (MessageLite) extensions.getField(extension.descriptor); - if (existingValue != null) { - subBuilder = existingValue.toBuilder(); - } - } - if (subBuilder == null) { - subBuilder = extension.getMessageDefaultInstance() - .newBuilderForType(); - } - if (extension.descriptor.getLiteType() == - WireFormat.FieldType.GROUP) { - input.readGroup(extension.getNumber(), - subBuilder, extensionRegistry); - } else { - input.readMessage(subBuilder, extensionRegistry); - } - value = subBuilder.build(); - break; - } - case ENUM: - int rawValue = input.readEnum(); - value = extension.descriptor.getEnumType() - .findValueByNumber(rawValue); - // If the number isn't recognized as a valid value for this enum, - // write it to unknown fields object. - if (value == null) { - mergeVarintField(fieldNumber, rawValue); - return true; - } - break; - default: - value = FieldSet.readPrimitiveField(input, - extension.descriptor.getLiteType(), - /*checkUtf8=*/ false); - break; - } - - if (extension.descriptor.isRepeated()) { - extensions.addRepeatedField(extension.descriptor, - extension.singularToFieldSetType(value)); - } else { - extensions.setField(extension.descriptor, - extension.singularToFieldSetType(value)); - } - } - return true; - } - - /** - * Parse an unknown field or an extension. For use by generated code only. - * - * <p>For use by generated code only. - * - * @return {@code true} unless the tag is an end-group tag. - */ - protected <MessageType extends MessageLite> boolean parseUnknownFieldAsMessageSet( - MessageType defaultInstance, - CodedInputStream input, - ExtensionRegistryLite extensionRegistry, - int tag) - throws IOException { - - if (tag == WireFormat.MESSAGE_SET_ITEM_TAG) { - mergeMessageSetExtensionFromCodedStream(defaultInstance, input, extensionRegistry); - return true; - } - - // TODO(dweis): Do we really want to support non message set wire format in message sets? - // Full runtime does... So we do for now. - int wireType = WireFormat.getTagWireType(tag); - if (wireType == WireFormat.WIRETYPE_LENGTH_DELIMITED) { - return parseUnknownField(defaultInstance, input, extensionRegistry, tag); - } else { - // TODO(dweis): Should we throw on invalid input? Full runtime does not... - return input.skipField(tag); - } - } - - /** - * Merges the message set from the input stream; requires message set wire format. - * - * @param defaultInstance the default instance of the containing message we are parsing in - * @param input the stream to parse from - * @param extensionRegistry the registry to use when parsing - */ - private <MessageType extends MessageLite> void mergeMessageSetExtensionFromCodedStream( - MessageType defaultInstance, - CodedInputStream input, - ExtensionRegistryLite extensionRegistry) - throws IOException { - // The wire format for MessageSet is: - // message MessageSet { - // repeated group Item = 1 { - // required int32 typeId = 2; - // required bytes message = 3; - // } - // } - // "typeId" is the extension's field number. The extension can only be - // a message type, where "message" contains the encoded bytes of that - // message. - // - // In practice, we will probably never see a MessageSet item in which - // the message appears before the type ID, or where either field does not - // appear exactly once. However, in theory such cases are valid, so we - // should be prepared to accept them. - - int typeId = 0; - ByteString rawBytes = null; // If we encounter "message" before "typeId" - GeneratedExtension<?, ?> extension = null; - - // Read bytes from input, if we get it's type first then parse it eagerly, - // otherwise we store the raw bytes in a local variable. - while (true) { - final int tag = input.readTag(); - if (tag == 0) { - break; - } - - if (tag == WireFormat.MESSAGE_SET_TYPE_ID_TAG) { - typeId = input.readUInt32(); - if (typeId != 0) { - extension = extensionRegistry.findLiteExtensionByNumber(defaultInstance, typeId); - } - - } else if (tag == WireFormat.MESSAGE_SET_MESSAGE_TAG) { - if (typeId != 0) { - if (extension != null) { - // We already know the type, so we can parse directly from the - // input with no copying. Hooray! - eagerlyMergeMessageSetExtension(input, extension, extensionRegistry, typeId); - rawBytes = null; - continue; - } - } - // We haven't seen a type ID yet or we want parse message lazily. - rawBytes = input.readBytes(); - - } else { // Unknown tag. Skip it. - if (!input.skipField(tag)) { - break; // End of group - } - } - } - input.checkLastTagWas(WireFormat.MESSAGE_SET_ITEM_END_TAG); - - // Process the raw bytes. - if (rawBytes != null && typeId != 0) { // Zero is not a valid type ID. - if (extension != null) { // We known the type - mergeMessageSetExtensionFromBytes(rawBytes, extensionRegistry, extension); - } else { // We don't know how to parse this. Ignore it. - if (rawBytes != null) { - mergeLengthDelimitedField(typeId, rawBytes); - } - } - } - } - - private void eagerlyMergeMessageSetExtension( - CodedInputStream input, - GeneratedExtension<?, ?> extension, - ExtensionRegistryLite extensionRegistry, - int typeId) - throws IOException { - int fieldNumber = typeId; - int tag = WireFormat.makeTag(typeId, WireFormat.WIRETYPE_LENGTH_DELIMITED); - parseExtension(input, extensionRegistry, extension, tag, fieldNumber); - } - - private void mergeMessageSetExtensionFromBytes( - ByteString rawBytes, - ExtensionRegistryLite extensionRegistry, - GeneratedExtension<?, ?> extension) - throws IOException { - MessageLite.Builder subBuilder = null; - MessageLite existingValue = (MessageLite) extensions.getField(extension.descriptor); - if (existingValue != null) { - subBuilder = existingValue.toBuilder(); - } - if (subBuilder == null) { - subBuilder = extension.getMessageDefaultInstance().newBuilderForType(); - } - rawBytes.newCodedInput().readMessage(subBuilder, extensionRegistry); - MessageLite value = subBuilder.build(); - - extensions.setField(extension.descriptor, extension.singularToFieldSetType(value)); - } - - private void verifyExtensionContainingType( - final GeneratedExtension<MessageType, ?> extension) { - if (extension.getContainingTypeDefaultInstance() != - getDefaultInstanceForType()) { - // This can only happen if someone uses unchecked operations. - throw new IllegalArgumentException( - "This extension is for a different message type. Please make " + - "sure that you are not suppressing any generics type warnings."); - } - } - - /** Check if a singular extension is present. */ - @Override - public final <Type> boolean hasExtension(final ExtensionLite<MessageType, Type> extension) { - GeneratedExtension<MessageType, Type> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - return extensions.hasField(extensionLite.descriptor); - } - - /** Get the number of elements in a repeated extension. */ - @Override - public final <Type> int getExtensionCount( - final ExtensionLite<MessageType, List<Type>> extension) { - GeneratedExtension<MessageType, List<Type>> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - return extensions.getRepeatedFieldCount(extensionLite.descriptor); - } - - /** Get the value of an extension. */ - @Override - @SuppressWarnings("unchecked") - public final <Type> Type getExtension(final ExtensionLite<MessageType, Type> extension) { - GeneratedExtension<MessageType, Type> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - final Object value = extensions.getField(extensionLite.descriptor); - if (value == null) { - return extensionLite.defaultValue; - } else { - return (Type) extensionLite.fromFieldSetType(value); - } - } - - /** Get one element of a repeated extension. */ - @Override - @SuppressWarnings("unchecked") - public final <Type> Type getExtension( - final ExtensionLite<MessageType, List<Type>> extension, final int index) { - GeneratedExtension<MessageType, List<Type>> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - return (Type) extensionLite.singularFromFieldSetType( - extensions.getRepeatedField(extensionLite.descriptor, index)); - } - - /** Called by subclasses to check if all extensions are initialized. */ - protected boolean extensionsAreInitialized() { - return extensions.isInitialized(); - } - - @Override - protected final void makeImmutable() { - super.makeImmutable(); - - extensions.makeImmutable(); - } - - /** - * Used by subclasses to serialize extensions. Extension ranges may be - * interleaved with field numbers, but we must write them in canonical - * (sorted by field number) order. ExtensionWriter helps us write - * individual ranges of extensions at once. - */ - protected class ExtensionWriter { - // Imagine how much simpler this code would be if Java iterators had - // a way to get the next element without advancing the iterator. - - private final Iterator<Map.Entry<ExtensionDescriptor, Object>> iter = - extensions.iterator(); - private Map.Entry<ExtensionDescriptor, Object> next; - private final boolean messageSetWireFormat; - - private ExtensionWriter(boolean messageSetWireFormat) { - if (iter.hasNext()) { - next = iter.next(); - } - this.messageSetWireFormat = messageSetWireFormat; - } - - public void writeUntil(final int end, final CodedOutputStream output) - throws IOException { - while (next != null && next.getKey().getNumber() < end) { - ExtensionDescriptor extension = next.getKey(); - if (messageSetWireFormat && extension.getLiteJavaType() == - WireFormat.JavaType.MESSAGE && - !extension.isRepeated()) { - output.writeMessageSetExtension(extension.getNumber(), - (MessageLite) next.getValue()); - } else { - FieldSet.writeField(extension, next.getValue(), output); - } - if (iter.hasNext()) { - next = iter.next(); - } else { - next = null; - } - } - } - } - - protected ExtensionWriter newExtensionWriter() { - return new ExtensionWriter(false); - } - protected ExtensionWriter newMessageSetExtensionWriter() { - return new ExtensionWriter(true); - } - - /** Called by subclasses to compute the size of extensions. */ - protected int extensionsSerializedSize() { - return extensions.getSerializedSize(); - } - protected int extensionsSerializedSizeAsMessageSet() { - return extensions.getMessageSetSerializedSize(); - } - } - - /** - * Lite equivalent of {@link GeneratedMessage.ExtendableBuilder}. - */ - @SuppressWarnings("unchecked") - public abstract static class ExtendableBuilder< - MessageType extends ExtendableMessage<MessageType, BuilderType>, - BuilderType extends ExtendableBuilder<MessageType, BuilderType>> - extends Builder<MessageType, BuilderType> - implements ExtendableMessageOrBuilder<MessageType, BuilderType> { - protected ExtendableBuilder(MessageType defaultInstance) { - super(defaultInstance); - - // TODO(dweis): This is kind of an unnecessary clone since we construct a - // new instance in the parent constructor which makes the extensions - // immutable. This extra allocation shouldn't matter in practice - // though. - instance.extensions = instance.extensions.clone(); - } - - // For immutable message conversion. - void internalSetExtensionSet(FieldSet<ExtensionDescriptor> extensions) { - copyOnWrite(); - instance.extensions = extensions; - } - - @Override - protected void copyOnWrite() { - if (!isBuilt) { - return; - } - - super.copyOnWrite(); - instance.extensions = instance.extensions.clone(); - } - - @Override - public final MessageType buildPartial() { - if (isBuilt) { - return instance; - } - - instance.extensions.makeImmutable(); - return super.buildPartial(); - } - - private void verifyExtensionContainingType( - final GeneratedExtension<MessageType, ?> extension) { - if (extension.getContainingTypeDefaultInstance() != - getDefaultInstanceForType()) { - // This can only happen if someone uses unchecked operations. - throw new IllegalArgumentException( - "This extension is for a different message type. Please make " + - "sure that you are not suppressing any generics type warnings."); - } - } - - /** Check if a singular extension is present. */ - @Override - public final <Type> boolean hasExtension(final ExtensionLite<MessageType, Type> extension) { - return instance.hasExtension(extension); - } - - /** Get the number of elements in a repeated extension. */ - @Override - public final <Type> int getExtensionCount( - final ExtensionLite<MessageType, List<Type>> extension) { - return instance.getExtensionCount(extension); - } - - /** Get the value of an extension. */ - @Override - @SuppressWarnings("unchecked") - public final <Type> Type getExtension(final ExtensionLite<MessageType, Type> extension) { - return instance.getExtension(extension); - } - - /** Get one element of a repeated extension. */ - @Override - @SuppressWarnings("unchecked") - public final <Type> Type getExtension( - final ExtensionLite<MessageType, List<Type>> extension, final int index) { - return instance.getExtension(extension, index); - } - - /** Set the value of an extension. */ - public final <Type> BuilderType setExtension( - final ExtensionLite<MessageType, Type> extension, - final Type value) { - GeneratedExtension<MessageType, Type> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - copyOnWrite(); - instance.extensions.setField(extensionLite.descriptor, extensionLite.toFieldSetType(value)); - return (BuilderType) this; - } - - /** Set the value of one element of a repeated extension. */ - public final <Type> BuilderType setExtension( - final ExtensionLite<MessageType, List<Type>> extension, - final int index, final Type value) { - GeneratedExtension<MessageType, List<Type>> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - copyOnWrite(); - instance.extensions.setRepeatedField( - extensionLite.descriptor, index, extensionLite.singularToFieldSetType(value)); - return (BuilderType) this; - } - - /** Append a value to a repeated extension. */ - public final <Type> BuilderType addExtension( - final ExtensionLite<MessageType, List<Type>> extension, - final Type value) { - GeneratedExtension<MessageType, List<Type>> extensionLite = - checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - copyOnWrite(); - instance.extensions.addRepeatedField( - extensionLite.descriptor, extensionLite.singularToFieldSetType(value)); - return (BuilderType) this; - } - - /** Clear an extension. */ - public final <Type> BuilderType clearExtension( - final ExtensionLite<MessageType, ?> extension) { - GeneratedExtension<MessageType, ?> extensionLite = checkIsLite(extension); - - verifyExtensionContainingType(extensionLite); - copyOnWrite(); - instance.extensions.clearField(extensionLite.descriptor); - return (BuilderType) this; - } - } - - // ----------------------------------------------------------------- - - /** For use by generated code only. */ - public static <ContainingType extends MessageLite, Type> - GeneratedExtension<ContainingType, Type> - newSingularGeneratedExtension( - final ContainingType containingTypeDefaultInstance, - final Type defaultValue, - final MessageLite messageDefaultInstance, - final Internal.EnumLiteMap<?> enumTypeMap, - final int number, - final WireFormat.FieldType type, - final Class singularType) { - return new GeneratedExtension<ContainingType, Type>( - containingTypeDefaultInstance, - defaultValue, - messageDefaultInstance, - new ExtensionDescriptor(enumTypeMap, number, type, - false /* isRepeated */, - false /* isPacked */), - singularType); - } - - /** For use by generated code only. */ - public static <ContainingType extends MessageLite, Type> - GeneratedExtension<ContainingType, Type> - newRepeatedGeneratedExtension( - final ContainingType containingTypeDefaultInstance, - final MessageLite messageDefaultInstance, - final Internal.EnumLiteMap<?> enumTypeMap, - final int number, - final WireFormat.FieldType type, - final boolean isPacked, - final Class singularType) { - @SuppressWarnings("unchecked") // Subclasses ensure Type is a List - Type emptyList = (Type) Collections.emptyList(); - return new GeneratedExtension<ContainingType, Type>( - containingTypeDefaultInstance, - emptyList, - messageDefaultInstance, - new ExtensionDescriptor( - enumTypeMap, number, type, true /* isRepeated */, isPacked), - singularType); - } - - static final class ExtensionDescriptor - implements FieldSet.FieldDescriptorLite< - ExtensionDescriptor> { - ExtensionDescriptor( - final Internal.EnumLiteMap<?> enumTypeMap, - final int number, - final WireFormat.FieldType type, - final boolean isRepeated, - final boolean isPacked) { - this.enumTypeMap = enumTypeMap; - this.number = number; - this.type = type; - this.isRepeated = isRepeated; - this.isPacked = isPacked; - } - - final Internal.EnumLiteMap<?> enumTypeMap; - final int number; - final WireFormat.FieldType type; - final boolean isRepeated; - final boolean isPacked; - - @Override - public int getNumber() { - return number; - } - - @Override - public WireFormat.FieldType getLiteType() { - return type; - } - - @Override - public WireFormat.JavaType getLiteJavaType() { - return type.getJavaType(); - } - - @Override - public boolean isRepeated() { - return isRepeated; - } - - @Override - public boolean isPacked() { - return isPacked; - } - - @Override - public Internal.EnumLiteMap<?> getEnumType() { - return enumTypeMap; - } - - @Override - @SuppressWarnings("unchecked") - public MessageLite.Builder internalMergeFrom(MessageLite.Builder to, MessageLite from) { - return ((Builder) to).mergeFrom((GeneratedMessageLite) from); - } - - - @Override - public int compareTo(ExtensionDescriptor other) { - return number - other.number; - } - } - - // ================================================================= - - /** Calls Class.getMethod and throws a RuntimeException if it fails. */ - @SuppressWarnings("unchecked") - static Method getMethodOrDie(Class clazz, String name, Class... params) { - try { - return clazz.getMethod(name, params); - } catch (NoSuchMethodException e) { - throw new RuntimeException( - "Generated message class \"" + clazz.getName() + - "\" missing method \"" + name + "\".", e); - } - } - - /** Calls invoke and throws a RuntimeException if it fails. */ - static Object invokeOrDie(Method method, Object object, Object... params) { - try { - return method.invoke(object, params); - } catch (IllegalAccessException e) { - throw new RuntimeException( - "Couldn't use Java reflection to implement protocol message " + - "reflection.", e); - } catch (InvocationTargetException e) { - final Throwable cause = e.getCause(); - if (cause instanceof RuntimeException) { - throw (RuntimeException) cause; - } else if (cause instanceof Error) { - throw (Error) cause; - } else { - throw new RuntimeException( - "Unexpected exception thrown by generated accessor method.", cause); - } - } - } - - /** - * Lite equivalent to {@link GeneratedMessage.GeneratedExtension}. - * - * Users should ignore the contents of this class and only use objects of - * this type as parameters to extension accessors and ExtensionRegistry.add(). - */ - public static class GeneratedExtension< - ContainingType extends MessageLite, Type> - extends ExtensionLite<ContainingType, Type> { - - /** - * Create a new instance with the given parameters. - * - * The last parameter {@code singularType} is only needed for enum types. - * We store integer values for enum types in a {@link ExtendableMessage} - * and use Java reflection to convert an integer value back into a concrete - * enum object. - */ - GeneratedExtension( - final ContainingType containingTypeDefaultInstance, - final Type defaultValue, - final MessageLite messageDefaultInstance, - final ExtensionDescriptor descriptor, - final Class singularType) { - // Defensive checks to verify the correct initialization order of - // GeneratedExtensions and their related GeneratedMessages. - if (containingTypeDefaultInstance == null) { - throw new IllegalArgumentException( - "Null containingTypeDefaultInstance"); - } - if (descriptor.getLiteType() == WireFormat.FieldType.MESSAGE && - messageDefaultInstance == null) { - throw new IllegalArgumentException( - "Null messageDefaultInstance"); - } - this.containingTypeDefaultInstance = containingTypeDefaultInstance; - this.defaultValue = defaultValue; - this.messageDefaultInstance = messageDefaultInstance; - this.descriptor = descriptor; - } - - final ContainingType containingTypeDefaultInstance; - final Type defaultValue; - final MessageLite messageDefaultInstance; - final ExtensionDescriptor descriptor; - - /** - * Default instance of the type being extended, used to identify that type. - */ - public ContainingType getContainingTypeDefaultInstance() { - return containingTypeDefaultInstance; - } - - /** Get the field number. */ - @Override - public int getNumber() { - return descriptor.getNumber(); - } - - - /** - * If the extension is an embedded message or group, returns the default - * instance of the message. - */ - @Override - public MessageLite getMessageDefaultInstance() { - return messageDefaultInstance; - } - - @SuppressWarnings("unchecked") - Object fromFieldSetType(final Object value) { - if (descriptor.isRepeated()) { - if (descriptor.getLiteJavaType() == WireFormat.JavaType.ENUM) { - final List result = new ArrayList(); - for (final Object element : (List) value) { - result.add(singularFromFieldSetType(element)); - } - return result; - } else { - return value; - } - } else { - return singularFromFieldSetType(value); - } - } - - Object singularFromFieldSetType(final Object value) { - if (descriptor.getLiteJavaType() == WireFormat.JavaType.ENUM) { - return descriptor.enumTypeMap.findValueByNumber((Integer) value); - } else { - return value; - } - } - - @SuppressWarnings("unchecked") - Object toFieldSetType(final Object value) { - if (descriptor.isRepeated()) { - if (descriptor.getLiteJavaType() == WireFormat.JavaType.ENUM) { - final List result = new ArrayList(); - for (final Object element : (List) value) { - result.add(singularToFieldSetType(element)); - } - return result; - } else { - return value; - } - } else { - return singularToFieldSetType(value); - } - } - - Object singularToFieldSetType(final Object value) { - if (descriptor.getLiteJavaType() == WireFormat.JavaType.ENUM) { - return ((Internal.EnumLite) value).getNumber(); - } else { - return value; - } - } - - @Override - public FieldType getLiteType() { - return descriptor.getLiteType(); - } - - @Override - public boolean isRepeated() { - return descriptor.isRepeated; - } - - @Override - public Type getDefaultValue() { - return defaultValue; - } - } - - /** - * A serialized (serializable) form of the generated message. Stores the - * message as a class name and a byte array. - */ - protected static final class SerializedForm implements Serializable { - - public static SerializedForm of(MessageLite message) { - return new SerializedForm(message); - } - - private static final long serialVersionUID = 0L; - - private final String messageClassName; - private final byte[] asBytes; - - /** - * Creates the serialized form by calling {@link com.google.protobuf.MessageLite#toByteArray}. - * @param regularForm the message to serialize - */ - SerializedForm(MessageLite regularForm) { - messageClassName = regularForm.getClass().getName(); - asBytes = regularForm.toByteArray(); - } - - /** - * When read from an ObjectInputStream, this method converts this object - * back to the regular form. Part of Java's serialization magic. - * @return a GeneratedMessage of the type that was serialized - */ - @SuppressWarnings("unchecked") - protected Object readResolve() throws ObjectStreamException { - try { - Class<?> messageClass = Class.forName(messageClassName); - java.lang.reflect.Field defaultInstanceField = - messageClass.getDeclaredField("DEFAULT_INSTANCE"); - defaultInstanceField.setAccessible(true); - MessageLite defaultInstance = (MessageLite) defaultInstanceField.get(null); - return defaultInstance.newBuilderForType() - .mergeFrom(asBytes) - .buildPartial(); - } catch (ClassNotFoundException e) { - throw new RuntimeException("Unable to find proto buffer class: " + messageClassName, e); - } catch (NoSuchFieldException e) { - return readResolveFallback(); - } catch (SecurityException e) { - throw new RuntimeException("Unable to call DEFAULT_INSTANCE in " + messageClassName, e); - } catch (IllegalAccessException e) { - throw new RuntimeException("Unable to call parsePartialFrom", e); - } catch (InvalidProtocolBufferException e) { - throw new RuntimeException("Unable to understand proto buffer", e); - } - } - - /** - * @deprecated from v3.0.0-beta-3+, for compatibility with v2.5.0 and v2.6.1 generated code. - */ - @Deprecated - private Object readResolveFallback() throws ObjectStreamException { - try { - Class<?> messageClass = Class.forName(messageClassName); - java.lang.reflect.Field defaultInstanceField = - messageClass.getDeclaredField("defaultInstance"); - defaultInstanceField.setAccessible(true); - MessageLite defaultInstance = (MessageLite) defaultInstanceField.get(null); - return defaultInstance.newBuilderForType() - .mergeFrom(asBytes) - .buildPartial(); - } catch (ClassNotFoundException e) { - throw new RuntimeException("Unable to find proto buffer class: " + messageClassName, e); - } catch (NoSuchFieldException e) { - throw new RuntimeException("Unable to find defaultInstance in " + messageClassName, e); - } catch (SecurityException e) { - throw new RuntimeException("Unable to call defaultInstance in " + messageClassName, e); - } catch (IllegalAccessException e) { - throw new RuntimeException("Unable to call parsePartialFrom", e); - } catch (InvalidProtocolBufferException e) { - throw new RuntimeException("Unable to understand proto buffer", e); - } - } - } - - /** - * Checks that the {@link Extension} is Lite and returns it as a - * {@link GeneratedExtension}. - */ - private static < - MessageType extends ExtendableMessage<MessageType, BuilderType>, - BuilderType extends ExtendableBuilder<MessageType, BuilderType>, - T> - GeneratedExtension<MessageType, T> checkIsLite( - ExtensionLite<MessageType, T> extension) { - if (!extension.isLite()) { - throw new IllegalArgumentException("Expected a lite extension."); - } - - return (GeneratedExtension<MessageType, T>) extension; - } - - /** - * A static helper method for checking if a message is initialized, optionally memoizing. - * <p> - * For use by generated code only. - */ - protected static final <T extends GeneratedMessageLite<T, ?>> boolean isInitialized( - T message, boolean shouldMemoize) { - return message.dynamicMethod(MethodToInvoke.IS_INITIALIZED, shouldMemoize) != null; - } - - protected static final <T extends GeneratedMessageLite<T, ?>> void makeImmutable(T message) { - message.dynamicMethod(MethodToInvoke.MAKE_IMMUTABLE); - } - - protected static IntList emptyIntList() { - return IntArrayList.emptyList(); - } - - protected static IntList mutableCopy(IntList list) { - int size = list.size(); - return list.mutableCopyWithCapacity( - size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); - } - - protected static LongList emptyLongList() { - return LongArrayList.emptyList(); - } - - protected static LongList mutableCopy(LongList list) { - int size = list.size(); - return list.mutableCopyWithCapacity( - size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); - } - - protected static FloatList emptyFloatList() { - return FloatArrayList.emptyList(); - } - - protected static FloatList mutableCopy(FloatList list) { - int size = list.size(); - return list.mutableCopyWithCapacity( - size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); - } - - protected static DoubleList emptyDoubleList() { - return DoubleArrayList.emptyList(); - } - - protected static DoubleList mutableCopy(DoubleList list) { - int size = list.size(); - return list.mutableCopyWithCapacity( - size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); - } - - protected static BooleanList emptyBooleanList() { - return BooleanArrayList.emptyList(); - } - - protected static BooleanList mutableCopy(BooleanList list) { - int size = list.size(); - return list.mutableCopyWithCapacity( - size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); - } - - protected static <E> ProtobufList<E> emptyProtobufList() { - return ProtobufArrayList.emptyList(); - } - - protected static <E> ProtobufList<E> mutableCopy(ProtobufList<E> list) { - int size = list.size(); - return list.mutableCopyWithCapacity( - size == 0 ? AbstractProtobufList.DEFAULT_CAPACITY : size * 2); - } - - /** - * A {@link Parser} implementation that delegates to the default instance. - * <p> - * For use by generated code only. - */ - protected static class DefaultInstanceBasedParser<T extends GeneratedMessageLite<T, ?>> - extends AbstractParser<T> { - - private T defaultInstance; - - public DefaultInstanceBasedParser(T defaultInstance) { - this.defaultInstance = defaultInstance; - } - - @Override - public T parsePartialFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - return GeneratedMessageLite.parsePartialFrom(defaultInstance, input, extensionRegistry); - } - } - - /** - * A static helper method for parsing a partial from input using the extension registry and the - * instance. - */ - // TODO(dweis): Should this verify that the last tag was 0? - static <T extends GeneratedMessageLite<T, ?>> T parsePartialFrom( - T instance, CodedInputStream input, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - @SuppressWarnings("unchecked") // Guaranteed by protoc - T result = (T) instance.dynamicMethod(MethodToInvoke.NEW_MUTABLE_INSTANCE); - try { - result.dynamicMethod(MethodToInvoke.MERGE_FROM_STREAM, input, extensionRegistry); - result.makeImmutable(); - } catch (RuntimeException e) { - if (e.getCause() instanceof InvalidProtocolBufferException) { - throw (InvalidProtocolBufferException) e.getCause(); - } - throw e; - } - return result; - } - - protected static <T extends GeneratedMessageLite<T, ?>> T parsePartialFrom( - T defaultInstance, - CodedInputStream input) - throws InvalidProtocolBufferException { - return parsePartialFrom(defaultInstance, input, ExtensionRegistryLite.getEmptyRegistry()); - } - - /** - * Helper method to check if message is initialized. - * - * @throws InvalidProtocolBufferException if it is not initialized. - * @return The message to check. - */ - private static <T extends GeneratedMessageLite<T, ?>> T checkMessageInitialized(T message) - throws InvalidProtocolBufferException { - if (message != null && !message.isInitialized()) { - throw message.newUninitializedMessageException() - .asInvalidProtocolBufferException() - .setUnfinishedMessage(message); - } - return message; - } - - // Validates last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, ByteString data) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parseFrom(defaultInstance, data, ExtensionRegistryLite.getEmptyRegistry())); - } - - // Validates last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, ByteString data, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - return checkMessageInitialized(parsePartialFrom(defaultInstance, data, extensionRegistry)); - } - - // This is a special case since we want to verify that the last tag is 0. We assume we exhaust the - // ByteString. - private static <T extends GeneratedMessageLite<T, ?>> T parsePartialFrom( - T defaultInstance, ByteString data, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - T message; - try { - CodedInputStream input = data.newCodedInput(); - message = parsePartialFrom(defaultInstance, input, extensionRegistry); - try { - input.checkLastTagWas(0); - } catch (InvalidProtocolBufferException e) { - throw e.setUnfinishedMessage(message); - } - return message; - } catch (InvalidProtocolBufferException e) { - throw e; - } - } - - // This is a special case since we want to verify that the last tag is 0. We assume we exhaust the - // ByteString. - private static <T extends GeneratedMessageLite<T, ?>> T parsePartialFrom( - T defaultInstance, byte[] data, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - T message; - try { - CodedInputStream input = CodedInputStream.newInstance(data); - message = parsePartialFrom(defaultInstance, input, extensionRegistry); - try { - input.checkLastTagWas(0); - } catch (InvalidProtocolBufferException e) { - throw e.setUnfinishedMessage(message); - } - return message; - } catch (InvalidProtocolBufferException e) { - throw e; - } - } - - // Validates last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, byte[] data) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parsePartialFrom(defaultInstance, data, ExtensionRegistryLite.getEmptyRegistry())); - } - - // Validates last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, byte[] data, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - return checkMessageInitialized(parsePartialFrom(defaultInstance, data, extensionRegistry)); - } - - // Does not validate last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, InputStream input) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parsePartialFrom(defaultInstance, CodedInputStream.newInstance(input), - ExtensionRegistryLite.getEmptyRegistry())); - } - - // Does not validate last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, InputStream input, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parsePartialFrom(defaultInstance, CodedInputStream.newInstance(input), extensionRegistry)); - } - - // Does not validate last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, CodedInputStream input) - throws InvalidProtocolBufferException { - return parseFrom(defaultInstance, input, ExtensionRegistryLite.getEmptyRegistry()); - } - - // Does not validate last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseFrom( - T defaultInstance, CodedInputStream input, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parsePartialFrom(defaultInstance, input, extensionRegistry)); - } - - // Validates last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseDelimitedFrom( - T defaultInstance, InputStream input) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parsePartialDelimitedFrom(defaultInstance, input, - ExtensionRegistryLite.getEmptyRegistry())); - } - - // Validates last tag. - protected static <T extends GeneratedMessageLite<T, ?>> T parseDelimitedFrom( - T defaultInstance, InputStream input, ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - return checkMessageInitialized( - parsePartialDelimitedFrom(defaultInstance, input, extensionRegistry)); - } - - private static <T extends GeneratedMessageLite<T, ?>> T parsePartialDelimitedFrom( - T defaultInstance, - InputStream input, - ExtensionRegistryLite extensionRegistry) - throws InvalidProtocolBufferException { - int size; - try { - int firstByte = input.read(); - if (firstByte == -1) { - return null; - } - size = CodedInputStream.readRawVarint32(firstByte, input); - } catch (IOException e) { - throw new InvalidProtocolBufferException(e.getMessage()); - } - InputStream limitedInput = new LimitedInputStream(input, size); - CodedInputStream codedInput = CodedInputStream.newInstance(limitedInput); - T message = parsePartialFrom(defaultInstance, codedInput, extensionRegistry); - try { - codedInput.checkLastTagWas(0); - } catch (InvalidProtocolBufferException e) { - throw e.setUnfinishedMessage(message); - } - return message; - } - - /** - * An abstract visitor that the generated code calls into that we use to implement various - * features. Fields that are not members of oneofs are always visited. Members of a oneof are only - * visited when they are the set oneof case value on the "other" proto. The visitOneofNotSet - * method is invoked if other's oneof case is not set. - */ - protected interface Visitor { - boolean visitBoolean(boolean minePresent, boolean mine, boolean otherPresent, boolean other); - int visitInt(boolean minePresent, int mine, boolean otherPresent, int other); - double visitDouble(boolean minePresent, double mine, boolean otherPresent, double other); - float visitFloat(boolean minePresent, float mine, boolean otherPresent, float other); - long visitLong(boolean minePresent, long mine, boolean otherPresent, long other); - String visitString(boolean minePresent, String mine, boolean otherPresent, String other); - ByteString visitByteString( - boolean minePresent, ByteString mine, boolean otherPresent, ByteString other); - - Object visitOneofBoolean(boolean minePresent, Object mine, Object other); - Object visitOneofInt(boolean minePresent, Object mine, Object other); - Object visitOneofDouble(boolean minePresent, Object mine, Object other); - Object visitOneofFloat(boolean minePresent, Object mine, Object other); - Object visitOneofLong(boolean minePresent, Object mine, Object other); - Object visitOneofString(boolean minePresent, Object mine, Object other); - Object visitOneofByteString(boolean minePresent, Object mine, Object other); - Object visitOneofLazyMessage(boolean minePresent, Object mine, Object other); - Object visitOneofMessage(boolean minePresent, Object mine, Object other); - void visitOneofNotSet(boolean minePresent); - - /** - * Message fields use null sentinals. - */ - <T extends MessageLite> T visitMessage(T mine, T other); - LazyFieldLite visitLazyMessage(LazyFieldLite mine, LazyFieldLite other); - - <T> ProtobufList<T> visitList(ProtobufList<T> mine, ProtobufList<T> other); - BooleanList visitBooleanList(BooleanList mine, BooleanList other); - IntList visitIntList(IntList mine, IntList other); - DoubleList visitDoubleList(DoubleList mine, DoubleList other); - FloatList visitFloatList(FloatList mine, FloatList other); - LongList visitLongList(LongList mine, LongList other); - FieldSet<ExtensionDescriptor> visitExtensions( - FieldSet<ExtensionDescriptor> mine, FieldSet<ExtensionDescriptor> other); - UnknownFieldSetLite visitUnknownFields(UnknownFieldSetLite mine, UnknownFieldSetLite other); - <K, V> MapFieldLite<K, V> visitMap(MapFieldLite<K, V> mine, MapFieldLite<K, V> other); - } - - /** - * Implements equals. Throws a {@link NotEqualsException} when not equal. - */ - static class EqualsVisitor implements Visitor { - - static final class NotEqualsException extends RuntimeException {} - - static final EqualsVisitor INSTANCE = new EqualsVisitor(); - - static final NotEqualsException NOT_EQUALS = new NotEqualsException(); - - private EqualsVisitor() {} - - @Override - public boolean visitBoolean( - boolean minePresent, boolean mine, boolean otherPresent, boolean other) { - if (minePresent != otherPresent || mine != other) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public int visitInt(boolean minePresent, int mine, boolean otherPresent, int other) { - if (minePresent != otherPresent || mine != other) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public double visitDouble( - boolean minePresent, double mine, boolean otherPresent, double other) { - if (minePresent != otherPresent || mine != other) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public float visitFloat(boolean minePresent, float mine, boolean otherPresent, float other) { - if (minePresent != otherPresent || mine != other) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public long visitLong(boolean minePresent, long mine, boolean otherPresent, long other) { - if (minePresent != otherPresent || mine != other) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public String visitString( - boolean minePresent, String mine, boolean otherPresent, String other) { - if (minePresent != otherPresent || !mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public ByteString visitByteString( - boolean minePresent, ByteString mine, boolean otherPresent, ByteString other) { - if (minePresent != otherPresent || !mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public Object visitOneofBoolean(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofInt(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofDouble(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofFloat(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofLong(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofString(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofByteString(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofLazyMessage(boolean minePresent, Object mine, Object other) { - if (minePresent && mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public Object visitOneofMessage(boolean minePresent, Object mine, Object other) { - if (minePresent && ((GeneratedMessageLite<?, ?>) mine).equals(this, (MessageLite) other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public void visitOneofNotSet(boolean minePresent) { - if (minePresent) { - throw NOT_EQUALS; - } - } - - @Override - public <T extends MessageLite> T visitMessage(T mine, T other) { - if (mine == null && other == null) { - return null; - } - - if (mine == null || other == null) { - throw NOT_EQUALS; - } - - ((GeneratedMessageLite<?, ?>) mine).equals(this, other); - - return mine; - } - - @Override - public LazyFieldLite visitLazyMessage( - LazyFieldLite mine, LazyFieldLite other) { - if (mine == null && other == null) { - return null; - } - if (mine == null || other == null) { - throw NOT_EQUALS; - } - if (mine.equals(other)) { - return mine; - } - throw NOT_EQUALS; - } - - @Override - public <T> ProtobufList<T> visitList(ProtobufList<T> mine, ProtobufList<T> other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public BooleanList visitBooleanList(BooleanList mine, BooleanList other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public IntList visitIntList(IntList mine, IntList other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public DoubleList visitDoubleList(DoubleList mine, DoubleList other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public FloatList visitFloatList(FloatList mine, FloatList other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public LongList visitLongList(LongList mine, LongList other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public FieldSet<ExtensionDescriptor> visitExtensions( - FieldSet<ExtensionDescriptor> mine, - FieldSet<ExtensionDescriptor> other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public UnknownFieldSetLite visitUnknownFields( - UnknownFieldSetLite mine, - UnknownFieldSetLite other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - - @Override - public <K, V> MapFieldLite<K, V> visitMap(MapFieldLite<K, V> mine, MapFieldLite<K, V> other) { - if (!mine.equals(other)) { - throw NOT_EQUALS; - } - return mine; - } - } - - /** - * Implements hashCode by accumulating state. - */ - private static class HashCodeVisitor implements Visitor { - - // The caller must ensure that the visitor is invoked parameterized with this and this such that - // other is this. This is required due to how oneof cases are handled. See the class comment - // on Visitor for more information. - - private int hashCode = 0; - - @Override - public boolean visitBoolean( - boolean minePresent, boolean mine, boolean otherPresent, boolean other) { - hashCode = (53 * hashCode) + Internal.hashBoolean(mine); - return mine; - } - - @Override - public int visitInt(boolean minePresent, int mine, boolean otherPresent, int other) { - hashCode = (53 * hashCode) + mine; - return mine; - } - - @Override - public double visitDouble( - boolean minePresent, double mine, boolean otherPresent, double other) { - hashCode = (53 * hashCode) + Internal.hashLong(Double.doubleToLongBits(mine)); - return mine; - } - - @Override - public float visitFloat(boolean minePresent, float mine, boolean otherPresent, float other) { - hashCode = (53 * hashCode) + Float.floatToIntBits(mine); - return mine; - } - - @Override - public long visitLong(boolean minePresent, long mine, boolean otherPresent, long other) { - hashCode = (53 * hashCode) + Internal.hashLong(mine); - return mine; - } - - @Override - public String visitString( - boolean minePresent, String mine, boolean otherPresent, String other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public ByteString visitByteString( - boolean minePresent, ByteString mine, boolean otherPresent, ByteString other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public Object visitOneofBoolean(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + Internal.hashBoolean(((Boolean) mine)); - return mine; - } - - @Override - public Object visitOneofInt(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + (Integer) mine; - return mine; - } - - @Override - public Object visitOneofDouble(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + Internal.hashLong(Double.doubleToLongBits((Double) mine)); - return mine; - } - - @Override - public Object visitOneofFloat(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + Float.floatToIntBits((Float) mine); - return mine; - } - - @Override - public Object visitOneofLong(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + Internal.hashLong((Long) mine); - return mine; - } - - @Override - public Object visitOneofString(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public Object visitOneofByteString(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public Object visitOneofLazyMessage(boolean minePresent, Object mine, Object other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public Object visitOneofMessage(boolean minePresent, Object mine, Object other) { - return visitMessage((MessageLite) mine, (MessageLite) other); - } - - @Override - public void visitOneofNotSet(boolean minePresent) { - if (minePresent) { - throw new IllegalStateException(); // Can't happen if other == this. - } - } - - @Override - public <T extends MessageLite> T visitMessage(T mine, T other) { - final int protoHash; - if (mine != null) { - if (mine instanceof GeneratedMessageLite) { - protoHash = ((GeneratedMessageLite) mine).hashCode(this); - } else { - protoHash = mine.hashCode(); - } - } else { - protoHash = 37; - } - hashCode = (53 * hashCode) + protoHash; - return mine; - } - - @Override - public LazyFieldLite visitLazyMessage(LazyFieldLite mine, LazyFieldLite other) { - final int protoHash; - if (mine != null) { - protoHash = mine.hashCode(); - } else { - protoHash = 37; - } - hashCode = (53 * hashCode) + protoHash; - return mine; - } - - @Override - public <T> ProtobufList<T> visitList(ProtobufList<T> mine, ProtobufList<T> other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public BooleanList visitBooleanList(BooleanList mine, BooleanList other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public IntList visitIntList(IntList mine, IntList other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public DoubleList visitDoubleList(DoubleList mine, DoubleList other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public FloatList visitFloatList(FloatList mine, FloatList other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public LongList visitLongList(LongList mine, LongList other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public FieldSet<ExtensionDescriptor> visitExtensions( - FieldSet<ExtensionDescriptor> mine, - FieldSet<ExtensionDescriptor> other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public UnknownFieldSetLite visitUnknownFields( - UnknownFieldSetLite mine, - UnknownFieldSetLite other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - - @Override - public <K, V> MapFieldLite<K, V> visitMap(MapFieldLite<K, V> mine, MapFieldLite<K, V> other) { - hashCode = (53 * hashCode) + mine.hashCode(); - return mine; - } - } - - /** - * Implements field merging semantics over the visitor interface. - */ - protected static class MergeFromVisitor implements Visitor { - - public static final MergeFromVisitor INSTANCE = new MergeFromVisitor(); - - private MergeFromVisitor() {} - - @Override - public boolean visitBoolean( - boolean minePresent, boolean mine, boolean otherPresent, boolean other) { - return otherPresent ? other : mine; - } - - @Override - public int visitInt(boolean minePresent, int mine, boolean otherPresent, int other) { - return otherPresent ? other : mine; - } - - @Override - public double visitDouble( - boolean minePresent, double mine, boolean otherPresent, double other) { - return otherPresent ? other : mine; - } - - @Override - public float visitFloat(boolean minePresent, float mine, boolean otherPresent, float other) { - return otherPresent ? other : mine; - } - - @Override - public long visitLong(boolean minePresent, long mine, boolean otherPresent, long other) { - return otherPresent ? other : mine; - } - - @Override - public String visitString( - boolean minePresent, String mine, boolean otherPresent, String other) { - return otherPresent ? other : mine; - } - - @Override - public ByteString visitByteString( - boolean minePresent, ByteString mine, boolean otherPresent, ByteString other) { - return otherPresent ? other : mine; - } - - @Override - public Object visitOneofBoolean(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofInt(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofDouble(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofFloat(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofLong(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofString(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofByteString(boolean minePresent, Object mine, Object other) { - return other; - } - - @Override - public Object visitOneofLazyMessage(boolean minePresent, Object mine, Object other) { - LazyFieldLite lazy = minePresent ? (LazyFieldLite) mine : new LazyFieldLite(); - lazy.merge((LazyFieldLite) other); - return lazy; - } - - @Override - public Object visitOneofMessage(boolean minePresent, Object mine, Object other) { - if (minePresent) { - return visitMessage((MessageLite) mine, (MessageLite) other); - } - return other; - } - - @Override - public void visitOneofNotSet(boolean minePresent) { - return; - } - - @SuppressWarnings("unchecked") // Guaranteed by runtime. - @Override - public <T extends MessageLite> T visitMessage(T mine, T other) { - if (mine != null && other != null) { - return (T) mine.toBuilder().mergeFrom(other).build(); - } - - return mine != null ? mine : other; - } - - @Override - public LazyFieldLite visitLazyMessage(LazyFieldLite mine, LazyFieldLite other) { - if (other != null) { - if (mine == null) { - mine = new LazyFieldLite(); - } - mine.merge(other); - } - return mine; - } - - @Override - public <T> ProtobufList<T> visitList(ProtobufList<T> mine, ProtobufList<T> other) { - int size = mine.size(); - int otherSize = other.size(); - if (size > 0 && otherSize > 0) { - if (!mine.isModifiable()) { - mine = mine.mutableCopyWithCapacity(size + otherSize); - } - mine.addAll(other); - } - - return size > 0 ? mine : other; - } - - @Override - public BooleanList visitBooleanList(BooleanList mine, BooleanList other) { - int size = mine.size(); - int otherSize = other.size(); - if (size > 0 && otherSize > 0) { - if (!mine.isModifiable()) { - mine = mine.mutableCopyWithCapacity(size + otherSize); - } - mine.addAll(other); - } - - return size > 0 ? mine : other; - } - - @Override - public IntList visitIntList(IntList mine, IntList other) { - int size = mine.size(); - int otherSize = other.size(); - if (size > 0 && otherSize > 0) { - if (!mine.isModifiable()) { - mine = mine.mutableCopyWithCapacity(size + otherSize); - } - mine.addAll(other); - } - - return size > 0 ? mine : other; - } - - @Override - public DoubleList visitDoubleList(DoubleList mine, DoubleList other) { - int size = mine.size(); - int otherSize = other.size(); - if (size > 0 && otherSize > 0) { - if (!mine.isModifiable()) { - mine = mine.mutableCopyWithCapacity(size + otherSize); - } - mine.addAll(other); - } - - return size > 0 ? mine : other; - } - - @Override - public FloatList visitFloatList(FloatList mine, FloatList other) { - int size = mine.size(); - int otherSize = other.size(); - if (size > 0 && otherSize > 0) { - if (!mine.isModifiable()) { - mine = mine.mutableCopyWithCapacity(size + otherSize); - } - mine.addAll(other); - } - - return size > 0 ? mine : other; - } - - @Override - public LongList visitLongList(LongList mine, LongList other) { - int size = mine.size(); - int otherSize = other.size(); - if (size > 0 && otherSize > 0) { - if (!mine.isModifiable()) { - mine = mine.mutableCopyWithCapacity(size + otherSize); - } - mine.addAll(other); - } - - return size > 0 ? mine : other; - } - - @Override - public FieldSet<ExtensionDescriptor> visitExtensions( - FieldSet<ExtensionDescriptor> mine, - FieldSet<ExtensionDescriptor> other) { - if (mine.isImmutable()) { - mine = mine.clone(); - } - mine.mergeFrom(other); - return mine; - } - - @Override - public UnknownFieldSetLite visitUnknownFields( - UnknownFieldSetLite mine, - UnknownFieldSetLite other) { - return other == UnknownFieldSetLite.getDefaultInstance() - ? mine : UnknownFieldSetLite.mutableCopyOf(mine, other); - } - - @Override - public <K, V> MapFieldLite<K, V> visitMap(MapFieldLite<K, V> mine, MapFieldLite<K, V> other) { - if (!other.isEmpty()) { - if (!mine.isMutable()) { - mine = mine.mutableCopy(); - } - mine.mergeFrom(other); - } - return mine; - } - } -} |