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Unified Diff: third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessageLite.java

Issue 1983203003: Update third_party/protobuf to protobuf-v3.0.0-beta-3 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: owners Created 4 years, 7 months ago
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Index: third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessageLite.java
diff --git a/third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessageLite.java b/third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessageLite.java
deleted file mode 100644
index 81e1862c69ae60555dca22dbba59a01cb520dcd6..0000000000000000000000000000000000000000
--- a/third_party/protobuf/java/src/main/java/com/google/protobuf/GeneratedMessageLite.java
+++ /dev/null
@@ -1,1276 +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.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.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
- implements Serializable {
-
- private static final long serialVersionUID = 1L;
-
- /** For use by generated code only. Lazily initialized to reduce allocations. */
- protected UnknownFieldSetLite unknownFields = null;
-
- /** For use by generated code only. */
- protected int memoizedSerializedSize = -1;
-
- @SuppressWarnings("unchecked") // Guaranteed by runtime.
- public final Parser<MessageType> getParserForType() {
- return (Parser<MessageType>) dynamicMethod(MethodToInvoke.GET_PARSER);
- }
-
- @SuppressWarnings("unchecked") // Guaranteed by runtime.
- public final MessageType getDefaultInstanceForType() {
- return (MessageType) dynamicMethod(MethodToInvoke.GET_DEFAULT_INSTANCE);
- }
-
- @SuppressWarnings("unchecked") // Guaranteed by runtime.
- public final BuilderType newBuilderForType() {
- return (BuilderType) dynamicMethod(MethodToInvoke.NEW_BUILDER);
- }
-
- // 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 == null) {
- 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 doneParsing() {
- if (unknownFields == null) {
- unknownFields = UnknownFieldSetLite.getDefaultInstance();
- } else {
- unknownFields.makeImmutable();
- }
- }
-
- public final boolean isInitialized() {
- return dynamicMethod(MethodToInvoke.IS_INITIALIZED, Boolean.TRUE) != null;
- }
-
- 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 {
- IS_INITIALIZED,
- PARSE_PARTIAL_FROM,
- MERGE_FROM,
- MAKE_IMMUTABLE,
- NEW_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 PARSE_PARTIAL_FROM} 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
- * <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 MERGE_FROM} is parameterized with a {@code MessageType} and merges the fields from
- * that instance into this 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);
- }
-
- /**
- * 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<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_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_INSTANCE);
- newInstance.dynamicMethod(MethodToInvoke.MERGE_FROM, instance);
- instance = newInstance;
- isBuilt = false;
- }
- }
-
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public final boolean isInitialized() {
- return GeneratedMessageLite.isInitialized(instance, false /* shouldMemoize */);
- }
-
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public final BuilderType clear() {
- // No need to copy on write since we're dropping the instance anyways.
- instance = (MessageType) instance.dynamicMethod(MethodToInvoke.NEW_INSTANCE);
- return (BuilderType) this;
- }
-
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public BuilderType clone() {
- BuilderType builder =
- (BuilderType) getDefaultInstanceForType().newBuilderForType();
- builder.mergeFrom(buildPartial());
- return builder;
- }
-
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public MessageType buildPartial() {
- if (isBuilt) {
- return instance;
- }
-
- instance.dynamicMethod(MethodToInvoke.MAKE_IMMUTABLE);
- instance.unknownFields.makeImmutable();
-
- isBuilt = true;
- return instance;
- }
-
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public final MessageType build() {
- MessageType result = buildPartial();
- if (!result.isInitialized()) {
- throw newUninitializedMessageException(result);
- }
- return result;
- }
-
- /** All subclasses implement this. */
- public BuilderType mergeFrom(MessageType message) {
- copyOnWrite();
- instance.dynamicMethod(MethodToInvoke.MERGE_FROM, message);
- return (BuilderType) this;
- }
-
- public MessageType getDefaultInstanceForType() {
- return defaultInstance;
- }
-
- public BuilderType mergeFrom(
- com.google.protobuf.CodedInputStream input,
- com.google.protobuf.ExtensionRegistryLite extensionRegistry)
- throws java.io.IOException {
- MessageType parsedMessage = null;
- try {
- parsedMessage =
- (MessageType) getDefaultInstanceForType().getParserForType().parsePartialFrom(
- input, extensionRegistry);
- } catch (com.google.protobuf.InvalidProtocolBufferException e) {
- parsedMessage = (MessageType) e.getUnfinishedMessage();
- throw e;
- } finally {
- if (parsedMessage != null) {
- mergeFrom(parsedMessage);
- }
- }
- 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();
-
- protected final void mergeExtensionFields(final MessageType other) {
- if (extensions.isImmutable()) {
- extensions = extensions.clone();
- }
- extensions.mergeFrom(((ExtendableMessage) 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 wireType = WireFormat.getTagWireType(tag);
- 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);
-
- 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;
- }
-
- 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 (Java 1.6 override semantics, but we must support 1.5)
- 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 (Java 1.6 override semantics, but we must support 1.5)
- 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 (Java 1.6 override semantics, but we must support 1.5)
- @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 (Java 1.6 override semantics, but we must support 1.5)
- @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 doneParsing() {
- super.doneParsing();
-
- 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 (Java 1.6 override semantics, but we must support 1.5)
- protected void copyOnWrite() {
- if (!isBuilt) {
- return;
- }
-
- super.copyOnWrite();
- instance.extensions = instance.extensions.clone();
- }
-
- // @Override (Java 1.6 override semantics, but we must support 1.5)
- 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 (Java 1.6 override semantics, but we must support 1.5)
- public final <Type> boolean hasExtension(
- final ExtensionLite<MessageType, Type> extension) {
- return instance.hasExtension(extension);
- }
-
- /** Get the number of elements in a repeated extension. */
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public final <Type> int getExtensionCount(
- final ExtensionLite<MessageType, List<Type>> extension) {
- return instance.getExtensionCount(extension);
- }
-
- /** Get the value of an extension. */
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- @SuppressWarnings("unchecked")
- public final <Type> Type getExtension(
- final ExtensionLite<MessageType, Type> extension) {
- return instance.getExtension(extension);
- }
-
- /** Get one element of a repeated extension. */
- @SuppressWarnings("unchecked")
- //@Override (Java 1.6 override semantics, but we must support 1.5)
- public final <Type> Type getExtension(
- final ExtensionLite<MessageType, List<Type>> extension,
- final int index) {
- return instance.getExtension(extension, index);
- }
-
- // This is implemented here only to work around an apparent bug in the
- // Java compiler and/or build system. See bug #1898463. The mere presence
- // of this dummy clone() implementation makes it go away.
- @Override
- public BuilderType clone() {
- return super.clone();
- }
-
- /** 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;
-
- public int getNumber() {
- return number;
- }
-
- public WireFormat.FieldType getLiteType() {
- return type;
- }
-
- public WireFormat.JavaType getLiteJavaType() {
- return type.getJavaType();
- }
-
- public boolean isRepeated() {
- return isRepeated;
- }
-
- public boolean isPacked() {
- return isPacked;
- }
-
- public Internal.EnumLiteMap<?> getEnumType() {
- return enumTypeMap;
- }
-
- @SuppressWarnings("unchecked")
- public MessageLite.Builder internalMergeFrom(
- MessageLite.Builder to, MessageLite from) {
- return ((Builder) to).mergeFrom((GeneratedMessageLite) from);
- }
-
-
- 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. */
- public int getNumber() {
- return descriptor.getNumber();
- }
-
-
- /**
- * If the extension is an embedded message or group, returns the default
- * instance of the message.
- */
- 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;
- }
- }
-
- public FieldType getLiteType() {
- return descriptor.getLiteType();
- }
-
- public boolean isRepeated() {
- return descriptor.isRepeated;
- }
-
- public Type getDefaultValue() {
- return defaultValue;
- }
- }
-
- /**
- * A serialized (serializable) form of the generated message. Stores the
- * message as a class name and a byte array.
- */
- static final class SerializedForm implements Serializable {
- 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) {
- throw new RuntimeException("Unable to find DEFAULT_INSTANCE in " + messageClassName, e);
- } 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);
- }
- }
- }
-
- /**
- * Replaces this object in the output stream with a serialized form.
- * Part of Java's serialization magic. Generated sub-classes must override
- * this method by calling {@code return super.writeReplace();}
- * @return a SerializedForm of this message
- */
- protected Object writeReplace() throws ObjectStreamException {
- return new SerializedForm(this);
- }
-
- /**
- * 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);
- }
-
- /**
- * A static helper method for parsing a partial from input using the extension registry and the
- * instance.
- */
- static <T extends GeneratedMessageLite<T, ?>> T parsePartialFrom(
- T instance, CodedInputStream input, ExtensionRegistryLite extensionRegistry)
- throws InvalidProtocolBufferException {
- try {
- return (T) instance.dynamicMethod(
- MethodToInvoke.PARSE_PARTIAL_FROM, input, extensionRegistry);
- } catch (RuntimeException e) {
- if (e.getCause() instanceof InvalidProtocolBufferException) {
- throw (InvalidProtocolBufferException) e.getCause();
- }
- throw e;
- }
- }
-
- /**
- * 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);
- }
- }
-
- protected static IntList newIntList() {
- return new IntArrayList();
- }
-
- protected static IntList newIntListWithCapacity(int capacity) {
- return new IntArrayList(capacity);
- }
-
- protected static IntList newIntList(List<Integer> toCopy) {
- return new IntArrayList(toCopy);
- }
-
- protected static IntList emptyIntList() {
- return IntArrayList.emptyList();
- }
-
- protected static LongList newLongList() {
- return new LongArrayList();
- }
-
- protected static LongList newLongListWithCapacity(int capacity) {
- return new LongArrayList(capacity);
- }
-
- protected static LongList newLongList(List<Long> toCopy) {
- return new LongArrayList(toCopy);
- }
-
- protected static LongList emptyLongList() {
- return LongArrayList.emptyList();
- }
-
- protected static FloatList newFloatList() {
- return new FloatArrayList();
- }
-
- protected static FloatList newFloatListWithCapacity(int capacity) {
- return new FloatArrayList(capacity);
- }
-
- protected static FloatList newFloatList(List<Float> toCopy) {
- return new FloatArrayList(toCopy);
- }
-
- protected static FloatList emptyFloatList() {
- return FloatArrayList.emptyList();
- }
-
- protected static DoubleList newDoubleList() {
- return new DoubleArrayList();
- }
-
- protected static DoubleList newDoubleListWithCapacity(int capacity) {
- return new DoubleArrayList(capacity);
- }
-
- protected static DoubleList newDoubleList(List<Double> toCopy) {
- return new DoubleArrayList(toCopy);
- }
-
- protected static DoubleList emptyDoubleList() {
- return DoubleArrayList.emptyList();
- }
-
- protected static BooleanList newBooleanList() {
- return new BooleanArrayList();
- }
-
- protected static BooleanList newBooleanListWithCapacity(int capacity) {
- return new BooleanArrayList(capacity);
- }
-
- protected static BooleanList newBooleanList(List<Boolean> toCopy) {
- return new BooleanArrayList(toCopy);
- }
-
- protected static BooleanList emptyBooleanList() {
- return BooleanArrayList.emptyList();
- }
-
- protected static <E> ProtobufList<E> newProtobufList() {
- return new ProtobufArrayList<E>();
- }
-
- protected static <E> ProtobufList<E> newProtobufList(List<E> toCopy) {
- return new ProtobufArrayList<E>(toCopy);
- }
-
- protected static <E> ProtobufList<E> newProtobufListWithCapacity(int capacity) {
- return new ProtobufArrayList<E>(capacity);
- }
-
- protected static <E> ProtobufList<E> emptyProtobufList() {
- return ProtobufArrayList.emptyList();
- }
-
- protected static LazyStringArrayList emptyLazyStringArrayList() {
- return LazyStringArrayList.emptyList();
- }
-}

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