// 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 java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.TreeMap;
/**
* {@code UnknownFieldSet} keeps track of fields which were seen when parsing a protocol
* message but whose field numbers or types are unrecognized. This most frequently occurs when new
* fields are added to a message type and then messages containing those fields are read by old
* software that was compiled before the new types were added.
*
* <p>Every {@link Message} contains an {@code UnknownFieldSet} (and every {@link Message.Builder}
* contains a {@link Builder}).
*
* <p>Most users will never need to use this class.
*
* @author [email protected] Kenton Varda
*/
public final class UnknownFieldSet implements MessageLite {
private final TreeMap<Integer, Field> fields;
/**
* Construct an {@code UnknownFieldSet} around the given map.
*/
private UnknownFieldSet(TreeMap<Integer, Field> fields) {
this.fields = fields;
}
/** Create a new {@link Builder}. */
public static Builder newBuilder() {
return Builder.create();
}
/** Create a new {@link Builder} and initialize it to be a copy of {@code copyFrom}. */
public static Builder newBuilder(UnknownFieldSet copyFrom) {
return newBuilder().mergeFrom(copyFrom);
}
/** Get an empty {@code UnknownFieldSet}. */
public static UnknownFieldSet getDefaultInstance() {
return defaultInstance;
}
@Override
public UnknownFieldSet getDefaultInstanceForType() {
return defaultInstance;
}
private static final UnknownFieldSet defaultInstance =
new UnknownFieldSet(new TreeMap<Integer, Field>());
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
return (other instanceof UnknownFieldSet) && fields.equals(((UnknownFieldSet) other).fields);
}
@Override
public int hashCode() {
if (fields.isEmpty()) { // avoid allocation of iterator.
// This optimization may not be helpful but it is needed for the allocation tests to pass.
return 0;
}
return fields.hashCode();
}
/** Get a map of fields in the set by number. */
public Map<Integer, Field> asMap() {
return (Map<Integer, Field>) fields.clone();
}
/** Check if the given field number is present in the set. */
public boolean hasField(int number) {
return fields.containsKey(number);
}
/** Get a field by number. Returns an empty field if not present. Never returns {@code null}. */
public Field getField(int number) {
Field result = fields.get(number);
return (result == null) ? Field.getDefaultInstance() : result;
}
/** Serializes the set and writes it to {@code output}. */
@Override
public void writeTo(CodedOutputStream output) throws IOException {
for (Map.Entry<Integer, Field> entry : fields.entrySet()) {
Field field = entry.getValue();
field.writeTo(entry.getKey(), output);
}
}
/**
* Converts the set to a string in protocol buffer text format. This is just a trivial wrapper
* around {@link TextFormat.Printer#printToString(UnknownFieldSet)}.
*/
@Override
public String toString() {
return TextFormat.printer().printToString(this);
}
/**
* Serializes the message to a {@code ByteString} and returns it. This is just a trivial wrapper
* around {@link #writeTo(CodedOutputStream)}.
*/
@Override
public ByteString toByteString() {
try {
ByteString.CodedBuilder out = ByteString.newCodedBuilder(getSerializedSize());
writeTo(out.getCodedOutput());
return out.build();
} catch (IOException e) {
throw new RuntimeException(
"Serializing to a ByteString threw an IOException (should never happen).", e);
}
}
/**
* Serializes the message to a {@code byte} array and returns it. This is just a trivial wrapper
* around {@link #writeTo(CodedOutputStream)}.
*/
@Override
public byte[] toByteArray() {
try {
byte[] result = new byte[getSerializedSize()];
CodedOutputStream output = CodedOutputStream.newInstance(result);
writeTo(output);
output.checkNoSpaceLeft();
return result;
} catch (IOException e) {
throw new RuntimeException(
"Serializing to a byte array threw an IOException (should never happen).", e);
}
}
/**
* Serializes the message and writes it to {@code output}. This is just a trivial wrapper around
* {@link #writeTo(CodedOutputStream)}.
*/
@Override
public void writeTo(OutputStream output) throws IOException {
CodedOutputStream codedOutput = CodedOutputStream.newInstance(output);
writeTo(codedOutput);
codedOutput.flush();
}
@Override
public void writeDelimitedTo(OutputStream output) throws IOException {
CodedOutputStream codedOutput = CodedOutputStream.newInstance(output);
codedOutput.writeUInt32NoTag(getSerializedSize());
writeTo(codedOutput);
codedOutput.flush();
}
/** Get the number of bytes required to encode this set. */
@Override
public int getSerializedSize() {
int result = 0;
if (!fields.isEmpty()) {
for (Map.Entry<Integer, Field> entry : fields.entrySet()) {
result += entry.getValue().getSerializedSize(entry.getKey());
}
}
return result;
}
/** Serializes the set and writes it to {@code output} using {@code MessageSet} wire format. */
public void writeAsMessageSetTo(CodedOutputStream output) throws IOException {
for (Map.Entry<Integer, Field> entry : fields.entrySet()) {
entry.getValue().writeAsMessageSetExtensionTo(entry.getKey(), output);
}
}
/** Serializes the set and writes it to {@code writer}. */
void writeTo(Writer writer) throws IOException {
if (writer.fieldOrder() == Writer.FieldOrder.DESCENDING) {
// Write fields in descending order.
for (Map.Entry<Integer, Field> entry : fields.descendingMap().entrySet()) {
entry.getValue().writeTo(entry.getKey(), writer);
}
} else {
// Write fields in ascending order.
for (Map.Entry<Integer, Field> entry : fields.entrySet()) {
entry.getValue().writeTo(entry.getKey(), writer);
}
}
}
/** Serializes the set and writes it to {@code writer} using {@code MessageSet} wire format. */
void writeAsMessageSetTo(Writer writer) throws IOException {
if (writer.fieldOrder() == Writer.FieldOrder.DESCENDING) {
// Write fields in descending order.
for (Map.Entry<Integer, Field> entry : fields.descendingMap().entrySet()) {
entry.getValue().writeAsMessageSetExtensionTo(entry.getKey(), writer);
}
} else {
// Write fields in ascending order.
for (Map.Entry<Integer, Field> entry : fields.entrySet()) {
entry.getValue().writeAsMessageSetExtensionTo(entry.getKey(), writer);
}
}
}
/** Get the number of bytes required to encode this set using {@code MessageSet} wire format. */
public int getSerializedSizeAsMessageSet() {
int result = 0;
for (Map.Entry<Integer, Field> entry : fields.entrySet()) {
result += entry.getValue().getSerializedSizeAsMessageSetExtension(entry.getKey());
}
return result;
}
@Override
public boolean isInitialized() {
// UnknownFieldSets do not have required fields, so they are always
// initialized.
return true;
}
/** Parse an {@code UnknownFieldSet} from the given input stream. */
public static UnknownFieldSet parseFrom(CodedInputStream input) throws IOException {
return newBuilder().mergeFrom(input).build();
}
/** Parse {@code data} as an {@code UnknownFieldSet} and return it. */
public static UnknownFieldSet parseFrom(ByteString data)
throws InvalidProtocolBufferException {
return newBuilder().mergeFrom(data).build();
}
/** Parse {@code data} as an {@code UnknownFieldSet} and return it. */
public static UnknownFieldSet parseFrom(byte[] data) throws InvalidProtocolBufferException {
return newBuilder().mergeFrom(data).build();
}
/** Parse an {@code UnknownFieldSet} from {@code input} and return it. */
public static UnknownFieldSet parseFrom(InputStream input) throws IOException {
return newBuilder().mergeFrom(input).build();
}
@Override
public Builder newBuilderForType() {
return newBuilder();
}
@Override
public Builder toBuilder() {
return newBuilder().mergeFrom(this);
}
/**
* Builder for {@link UnknownFieldSet}s.
*
* <p>Note that this class maintains {@link Field.Builder}s for all fields in the set. Thus,
* adding one element to an existing {@link Field} does not require making a copy. This is
* important for efficient parsing of unknown repeated fields. However, it implies that {@link
* Field}s cannot be constructed independently, nor can two {@link UnknownFieldSet}s share the
* same {@code Field} object.
*
* <p>Use {@link UnknownFieldSet#newBuilder()} to construct a {@code Builder}.
*/
public static final class Builder implements MessageLite.Builder {
// This constructor should never be called directly (except from 'create').
private Builder() {}
private TreeMap<Integer, Field.Builder> fieldBuilders = new TreeMap<>();
private static Builder create() {
return new Builder();
}
/**
* Get a field builder for the given field number which includes any values that already exist.
*/
private Field.Builder getFieldBuilder(int number) {
if (number == 0) {
return null;
} else {
Field.Builder builder = fieldBuilders.get(number);
if (builder == null) {
builder = Field.newBuilder();
fieldBuilders.put(number, builder);
}
return builder;
}
}
/**
* Build the {@link UnknownFieldSet} and return it.
*/
@Override
public UnknownFieldSet build() {
UnknownFieldSet result;
if (fieldBuilders.isEmpty()) {
result = getDefaultInstance();
} else {
TreeMap<Integer, Field> fields = new TreeMap<>();
for (Map.Entry<Integer, Field.Builder> entry : fieldBuilders.entrySet()) {
fields.put(entry.getKey(), entry.getValue().build());
}
result = new UnknownFieldSet(fields);
}
return result;
}
@Override
public UnknownFieldSet buildPartial() {
// No required fields, so this is the same as build().
return build();
}
@Override
public Builder clone() {
Builder clone = UnknownFieldSet.newBuilder();
for (Map.Entry<Integer, Field.Builder> entry : fieldBuilders.entrySet()) {
Integer key = entry.getKey();
Field.Builder value = entry.getValue();
clone.fieldBuilders.put(key, value.clone());
}
return clone;
}
@Override
public UnknownFieldSet getDefaultInstanceForType() {
return UnknownFieldSet.getDefaultInstance();
}
/** Reset the builder to an empty set. */
@Override
public Builder clear() {
fieldBuilders = new TreeMap<>();
return this;
}
/**
* Clear fields from the set with a given field number.
*
* @throws IllegalArgumentException if number is not positive
*/
public Builder clearField(int number) {
if (number <= 0) {
throw new IllegalArgumentException(number + " is not a valid field number.");
}
if (fieldBuilders.containsKey(number)) {
fieldBuilders.remove(number);
}
return this;
}
/**
* Merge the fields from {@code other} into this set. If a field number exists in both sets,
* {@code other}'s values for that field will be appended to the values in this set.
*/
public Builder mergeFrom(UnknownFieldSet other) {
if (other != getDefaultInstance()) {
for (Map.Entry<Integer, Field> entry : other.fields.entrySet()) {
mergeField(entry.getKey(), entry.getValue());
}
}
return this;
}
/**
* Add a field to the {@code UnknownFieldSet}. If a field with the same number already exists,
* the two are merged.
*
* @throws IllegalArgumentException if number is not positive
*/
public Builder mergeField(int number, final Field field) {
if (number <= 0) {
throw new IllegalArgumentException(number + " is not a valid field number.");
}
if (hasField(number)) {
getFieldBuilder(number).mergeFrom(field);
} else {
// Optimization: We could call getFieldBuilder(number).mergeFrom(field)
// in this case, but that would create a copy of the Field object.
// We'd rather reuse the one passed to us, so call addField() instead.
addField(number, field);
}
return this;
}
/**
* Convenience method for merging a new field containing a single varint value. This is used in
* particular when an unknown enum value is encountered.
*
* @throws IllegalArgumentException if number is not positive
*/
public Builder mergeVarintField(int number, int value) {
if (number <= 0) {
throw new IllegalArgumentException(number + " is not a valid field number.");
}
getFieldBuilder(number).addVarint(value);
return this;
}
/**
* Convenience method for merging a length-delimited field.
*
* <p>For use by generated code only.
*
* @throws IllegalArgumentException if number is not positive
*/
public Builder mergeLengthDelimitedField(int number, ByteString value) {
if (number <= 0) {
throw new IllegalArgumentException(number + " is not a valid field number.");
}
getFieldBuilder(number).addLengthDelimited(value);
return this;
}
/** Check if the given field number is present in the set. */
public boolean hasField(int number) {
return fieldBuilders.containsKey(number);
}
/**
* Add a field to the {@code UnknownFieldSet}. If a field with the same number already exists,
* it is removed.
*
* @throws IllegalArgumentException if number is not positive
*/
public Builder addField(int number, Field field) {
if (number <= 0) {
throw new IllegalArgumentException(number + " is not a valid field number.");
}
fieldBuilders.put(number, Field.newBuilder(field));
return this;
}
/**
* Get all present {@code Field}s as an immutable {@code Map}. If more fields are added, the
* changes may or may not be reflected in this map.
*/
public Map<Integer, Field> asMap() {
TreeMap<Integer, Field> fields = new TreeMap<>();
for (Map.Entry<Integer, Field.Builder> entry : fieldBuilders.entrySet()) {
fields.put(entry.getKey(), entry.getValue().build());
}
return Collections.unmodifiableMap(fields);
}
/** Parse an entire message from {@code input} and merge its fields into this set. */
@Override
public Builder mergeFrom(CodedInputStream input) throws IOException {
while (true) {
int tag = input.readTag();
if (tag == 0 || !mergeFieldFrom(tag, input)) {
break;
}
}
return this;
}
/**
* Parse a single field from {@code input} and merge it into this set.
*
* @param tag The field's tag number, which was already parsed.
* @return {@code false} if the tag is an end group tag.
*/
public boolean mergeFieldFrom(int tag, CodedInputStream input) throws IOException {
int number = WireFormat.getTagFieldNumber(tag);
switch (WireFormat.getTagWireType(tag)) {
case WireFormat.WIRETYPE_VARINT:
getFieldBuilder(number).addVarint(input.readInt64());
return true;
case WireFormat.WIRETYPE_FIXED64:
getFieldBuilder(number).addFixed64(input.readFixed64());
return true;
case WireFormat.WIRETYPE_LENGTH_DELIMITED:
getFieldBuilder(number).addLengthDelimited(input.readBytes());
return true;
case WireFormat.WIRETYPE_START_GROUP:
Builder subBuilder = newBuilder();
input.readGroup(number, subBuilder, ExtensionRegistry.getEmptyRegistry());
getFieldBuilder(number).addGroup(subBuilder.build());
return true;
case WireFormat.WIRETYPE_END_GROUP:
return false;
case WireFormat.WIRETYPE_FIXED32:
getFieldBuilder(number).addFixed32(input.readFixed32());
return true;
default:
throw InvalidProtocolBufferException.invalidWireType();
}
}
/**
* Parse {@code data} as an {@code UnknownFieldSet} and merge it with the set being built. This
* is just a small wrapper around {@link #mergeFrom(CodedInputStream)}.
*/
@Override
public Builder mergeFrom(ByteString data) throws InvalidProtocolBufferException {
try {
CodedInputStream input = data.newCodedInput();
mergeFrom(input);
input.checkLastTagWas(0);
return this;
} catch (InvalidProtocolBufferException e) {
throw e;
} catch (IOException e) {
throw new RuntimeException(
"Reading from a ByteString threw an IOException (should never happen).", e);
}
}
/**
* Parse {@code data} as an {@code UnknownFieldSet} and merge it with the set being built. This
* is just a small wrapper around {@link #mergeFrom(CodedInputStream)}.
*/
@Override
public Builder mergeFrom(byte[] data) throws InvalidProtocolBufferException {
try {
CodedInputStream input = CodedInputStream.newInstance(data);
mergeFrom(input);
input.checkLastTagWas(0);
return this;
} catch (InvalidProtocolBufferException e) {
throw e;
} catch (IOException e) {
throw new RuntimeException(
"Reading from a byte array threw an IOException (should never happen).", e);
}
}
/**
* Parse an {@code UnknownFieldSet} from {@code input} and merge it with the set being built.
* This is just a small wrapper around {@link #mergeFrom(CodedInputStream)}.
*/
@Override
public Builder mergeFrom(InputStream input) throws IOException {
CodedInputStream codedInput = CodedInputStream.newInstance(input);
mergeFrom(codedInput);
codedInput.checkLastTagWas(0);
return this;
}
@Override
public boolean mergeDelimitedFrom(InputStream input) throws IOException {
int firstByte = input.read();
if (firstByte == -1) {
return false;
}
int size = CodedInputStream.readRawVarint32(firstByte, input);
InputStream limitedInput = new LimitedInputStream(input, size);
mergeFrom(limitedInput);
return true;
}
@Override
public boolean mergeDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
throws IOException {
// UnknownFieldSet has no extensions.
return mergeDelimitedFrom(input);
}
@Override
public Builder mergeFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)
throws IOException {
// UnknownFieldSet has no extensions.
return mergeFrom(input);
}
@Override
public Builder mergeFrom(ByteString data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
// UnknownFieldSet has no extensions.
return mergeFrom(data);
}
@Override
public Builder mergeFrom(byte[] data, int off, int len) throws InvalidProtocolBufferException {
try {
CodedInputStream input = CodedInputStream.newInstance(data, off, len);
mergeFrom(input);
input.checkLastTagWas(0);
return this;
} catch (InvalidProtocolBufferException e) {
throw e;
} catch (IOException e) {
throw new RuntimeException(
"Reading from a byte array threw an IOException (should never happen).", e);
}
}
@Override
public Builder mergeFrom(byte[] data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
// UnknownFieldSet has no extensions.
return mergeFrom(data);
}
@Override
public Builder mergeFrom(byte[] data, int off, int len, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
// UnknownFieldSet has no extensions.
return mergeFrom(data, off, len);
}
@Override
public Builder mergeFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
throws IOException {
// UnknownFieldSet has no extensions.
return mergeFrom(input);
}
@Override
public Builder mergeFrom(MessageLite m) {
if (m instanceof UnknownFieldSet) {
return mergeFrom((UnknownFieldSet) m);
}
throw new IllegalArgumentException(
"mergeFrom(MessageLite) can only merge messages of the same type.");
}
@Override
public boolean isInitialized() {
// UnknownFieldSets do not have required fields, so they are always
// initialized.
return true;
}
}
/**
* Represents a single field in an {@code UnknownFieldSet}.
*
* <p>A {@code Field} consists of five lists of values. The lists correspond to the five "wire
* types" used in the protocol buffer binary format. The wire type of each field can be determined
* from the encoded form alone, without knowing the field's declared type. So, we are able to
* parse unknown values at least this far and separate them. Normally, only one of the five lists
* will contain any values, since it is impossible to define a valid message type that declares
* two different types for the same field number. However, the code is designed to allow for the
* case where the same unknown field number is encountered using multiple different wire types.
*
* <p>{@code Field} is an immutable class. To construct one, you must use a {@link Builder}.
*
* @see UnknownFieldSet
*/
public static final class Field {
private Field() {}
/** Construct a new {@link Builder}. */
public static Builder newBuilder() {
return Builder.create();
}
/** Construct a new {@link Builder} and initialize it to a copy of {@code copyFrom}. */
public static Builder newBuilder(Field copyFrom) {
return newBuilder().mergeFrom(copyFrom);
}
/** Get an empty {@code Field}. */
public static Field getDefaultInstance() {
return fieldDefaultInstance;
}
private static final Field fieldDefaultInstance = newBuilder().build();
/** Get the list of varint values for this field. */
public List<Long> getVarintList() {
return varint;
}
/** Get the list of fixed32 values for this field. */
public List<Integer> getFixed32List() {
return fixed32;
}
/** Get the list of fixed64 values for this field. */
public List<Long> getFixed64List() {
return fixed64;
}
/** Get the list of length-delimited values for this field. */
public List<ByteString> getLengthDelimitedList() {
return lengthDelimited;
}
/**
* Get the list of embedded group values for this field. These are represented using {@link
* UnknownFieldSet}s rather than {@link Message}s since the group's type is presumably unknown.
*/
public List<UnknownFieldSet> getGroupList() {
return group;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof Field)) {
return false;
}
return Arrays.equals(getIdentityArray(), ((Field) other).getIdentityArray());
}
@Override
public int hashCode() {
return Arrays.hashCode(getIdentityArray());
}
/** Returns the array of objects to be used to uniquely identify this {@link Field} instance. */
private Object[] getIdentityArray() {
return new Object[] {varint, fixed32, fixed64, lengthDelimited, group};
}
/**
* Serializes the message to a {@code ByteString} and returns it. This is just a trivial wrapper
* around {@link #writeTo(int, CodedOutputStream)}.
*/
public ByteString toByteString(int fieldNumber) {
try {
// TODO(lukes): consider caching serialized size in a volatile long
ByteString.CodedBuilder out =
ByteString.newCodedBuilder(getSerializedSize(fieldNumber));
writeTo(fieldNumber, out.getCodedOutput());
return out.build();
} catch (IOException e) {
throw new RuntimeException(
"Serializing to a ByteString should never fail with an IOException", e);
}
}
/** Serializes the field, including field number, and writes it to {@code output}. */
public void writeTo(int fieldNumber, CodedOutputStream output) throws IOException {
for (long value : varint) {
output.writeUInt64(fieldNumber, value);
}
for (int value : fixed32) {
output.writeFixed32(fieldNumber, value);
}
for (long value : fixed64) {
output.writeFixed64(fieldNumber, value);
}
for (ByteString value : lengthDelimited) {
output.writeBytes(fieldNumber, value);
}
for (UnknownFieldSet value : group) {
output.writeGroup(fieldNumber, value);
}
}
/** Get the number of bytes required to encode this field, including field number. */
public int getSerializedSize(int fieldNumber) {
int result = 0;
for (long value : varint) {
result += CodedOutputStream.computeUInt64Size(fieldNumber, value);
}
for (int value : fixed32) {
result += CodedOutputStream.computeFixed32Size(fieldNumber, value);
}
for (long value : fixed64) {
result += CodedOutputStream.computeFixed64Size(fieldNumber, value);
}
for (ByteString value : lengthDelimited) {
result += CodedOutputStream.computeBytesSize(fieldNumber, value);
}
for (UnknownFieldSet value : group) {
result += CodedOutputStream.computeGroupSize(fieldNumber, value);
}
return result;
}
/**
* Serializes the field, including field number, and writes it to {@code output}, using {@code
* MessageSet} wire format.
*/
public void writeAsMessageSetExtensionTo(int fieldNumber, CodedOutputStream output)
throws IOException {
for (ByteString value : lengthDelimited) {
output.writeRawMessageSetExtension(fieldNumber, value);
}
}
/** Serializes the field, including field number, and writes it to {@code writer}. */
void writeTo(int fieldNumber, Writer writer) throws IOException {
writer.writeInt64List(fieldNumber, varint, false);
writer.writeFixed32List(fieldNumber, fixed32, false);
writer.writeFixed64List(fieldNumber, fixed64, false);
writer.writeBytesList(fieldNumber, lengthDelimited);
if (writer.fieldOrder() == Writer.FieldOrder.ASCENDING) {
for (int i = 0; i < group.size(); i++) {
writer.writeStartGroup(fieldNumber);
group.get(i).writeTo(writer);
writer.writeEndGroup(fieldNumber);
}
} else {
for (int i = group.size() - 1; i >= 0; i--) {
writer.writeEndGroup(fieldNumber);
group.get(i).writeTo(writer);
writer.writeStartGroup(fieldNumber);
}
}
}
/**
* Serializes the field, including field number, and writes it to {@code writer}, using {@code
* MessageSet} wire format.
*/
private void writeAsMessageSetExtensionTo(int fieldNumber, Writer writer)
throws IOException {
if (writer.fieldOrder() == Writer.FieldOrder.DESCENDING) {
// Write in descending field order.
ListIterator<ByteString> iter = lengthDelimited.listIterator(lengthDelimited.size());
while (iter.hasPrevious()) {
writer.writeMessageSetItem(fieldNumber, iter.previous());
}
} else {
// Write in ascending field order.
for (ByteString value : lengthDelimited) {
writer.writeMessageSetItem(fieldNumber, value);
}
}
}
/**
* Get the number of bytes required to encode this field, including field number, using {@code
* MessageSet} wire format.
*/
public int getSerializedSizeAsMessageSetExtension(int fieldNumber) {
int result = 0;
for (ByteString value : lengthDelimited) {
result += CodedOutputStream.computeRawMessageSetExtensionSize(fieldNumber, value);
}
return result;
}
private List<Long> varint;
private List<Integer> fixed32;
private List<Long> fixed64;
private List<ByteString> lengthDelimited;
private List<UnknownFieldSet> group;
/**
* Used to build a {@link Field} within an {@link UnknownFieldSet}.
*
* <p>Use {@link Field#newBuilder()} to construct a {@code Builder}.
*/
public static final class Builder {
// This constructor should only be called directly from 'create' and 'clone'.
private Builder() {
result = new Field();
}
private static Builder create() {
Builder builder = new Builder();
return builder;
}
private Field result;
@Override
public Builder clone() {
Field copy = new Field();
if (result.varint == null) {
copy.varint = null;
} else {
copy.varint = new ArrayList<>(result.varint);
}
if (result.fixed32 == null) {
copy.fixed32 = null;
} else {
copy.fixed32 = new ArrayList<>(result.fixed32);
}
if (result.fixed64 == null) {
copy.fixed64 = null;
} else {
copy.fixed64 = new ArrayList<>(result.fixed64);
}
if (result.lengthDelimited == null) {
copy.lengthDelimited = null;
} else {
copy.lengthDelimited = new ArrayList<>(result.lengthDelimited);
}
if (result.group == null) {
copy.group = null;
} else {
copy.group = new ArrayList<>(result.group);
}
Builder clone = new Builder();
clone.result = copy;
return clone;
}
/**
* Build the field.
*/
public Field build() {
Field built = new Field();
if (result.varint == null) {
built.varint = Collections.emptyList();
} else {
built.varint = Collections.unmodifiableList(new ArrayList<>(result.varint));
}
if (result.fixed32 == null) {
built.fixed32 = Collections.emptyList();
} else {
built.fixed32 = Collections.unmodifiableList(new ArrayList<>(result.fixed32));
}
if (result.fixed64 == null) {
built.fixed64 = Collections.emptyList();
} else {
built.fixed64 = Collections.unmodifiableList(new ArrayList<>(result.fixed64));
}
if (result.lengthDelimited == null) {
built.lengthDelimited = Collections.emptyList();
} else {
built.lengthDelimited = Collections.unmodifiableList(
new ArrayList<>(result.lengthDelimited));
}
if (result.group == null) {
built.group = Collections.emptyList();
} else {
built.group = Collections.unmodifiableList(new ArrayList<>(result.group));
}
return built;
}
/** Discard the field's contents. */
public Builder clear() {
result = new Field();
return this;
}
/**
* Merge the values in {@code other} into this field. For each list of values, {@code other}'s
* values are append to the ones in this field.
*/
public Builder mergeFrom(Field other) {
if (!other.varint.isEmpty()) {
if (result.varint == null) {
result.varint = new ArrayList<Long>();
}
result.varint.addAll(other.varint);
}
if (!other.fixed32.isEmpty()) {
if (result.fixed32 == null) {
result.fixed32 = new ArrayList<Integer>();
}
result.fixed32.addAll(other.fixed32);
}
if (!other.fixed64.isEmpty()) {
if (result.fixed64 == null) {
result.fixed64 = new ArrayList<>();
}
result.fixed64.addAll(other.fixed64);
}
if (!other.lengthDelimited.isEmpty()) {
if (result.lengthDelimited == null) {
result.lengthDelimited = new ArrayList<>();
}
result.lengthDelimited.addAll(other.lengthDelimited);
}
if (!other.group.isEmpty()) {
if (result.group == null) {
result.group = new ArrayList<>();
}
result.group.addAll(other.group);
}
return this;
}
/** Add a varint value. */
public Builder addVarint(long value) {
if (result.varint == null) {
result.varint = new ArrayList<>();
}
result.varint.add(value);
return this;
}
/** Add a fixed32 value. */
public Builder addFixed32(int value) {
if (result.fixed32 == null) {
result.fixed32 = new ArrayList<>();
}
result.fixed32.add(value);
return this;
}
/** Add a fixed64 value. */
public Builder addFixed64(long value) {
if (result.fixed64 == null) {
result.fixed64 = new ArrayList<>();
}
result.fixed64.add(value);
return this;
}
/** Add a length-delimited value. */
public Builder addLengthDelimited(ByteString value) {
if (result.lengthDelimited == null) {
result.lengthDelimited = new ArrayList<>();
}
result.lengthDelimited.add(value);
return this;
}
/** Add an embedded group. */
public Builder addGroup(UnknownFieldSet value) {
if (result.group == null) {
result.group = new ArrayList<>();
}
result.group.add(value);
return this;
}
}
}
/** Parser to implement MessageLite interface. */
public static final class Parser extends AbstractParser<UnknownFieldSet> {
@Override
public UnknownFieldSet parsePartialFrom(
CodedInputStream input, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
Builder builder = newBuilder();
try {
builder.mergeFrom(input);
} catch (InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(builder.buildPartial());
} catch (IOException e) {
throw new InvalidProtocolBufferException(e).setUnfinishedMessage(builder.buildPartial());
}
return builder.buildPartial();
}
}
private static final Parser PARSER = new Parser();
@Override
public final Parser getParserForType() {
return PARSER;
}
}
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