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Diffstat (limited to 'java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java')
| -rw-r--r-- | java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java | 1037 |
1 files changed, 0 insertions, 1037 deletions
diff --git a/java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java b/java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java deleted file mode 100644 index 6d33d3a8..00000000 --- a/java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java +++ /dev/null @@ -1,1037 +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 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.Map; -import java.util.TreeMap; - -/** - * {@code UnknownFieldSet} is used to keep 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 an {@link Builder}). - * - * <p>Most users will never need to use this class. - * - * @author kenton@google.com Kenton Varda - */ -public final class UnknownFieldSet implements MessageLite { - - private UnknownFieldSet() {} - - /** 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(final 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(Collections.<Integer, Field>emptyMap()); - - /** - * Construct an {@code UnknownFieldSet} around the given map. The map is - * expected to be immutable. - */ - private UnknownFieldSet(final Map<Integer, Field> fields) { - this.fields = fields; - } - private Map<Integer, Field> fields; - - - @Override - public boolean equals(final Object other) { - if (this == other) { - return true; - } - return (other instanceof UnknownFieldSet) && - fields.equals(((UnknownFieldSet) other).fields); - } - - @Override - public int hashCode() { - return fields.hashCode(); - } - - /** Get a map of fields in the set by number. */ - public Map<Integer, Field> asMap() { - return fields; - } - - /** Check if the given field number is present in the set. */ - public boolean hasField(final 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(final int number) { - final Field result = fields.get(number); - return (result == null) ? Field.getDefaultInstance() : result; - } - - /** Serializes the set and writes it to {@code output}. */ - @Override - public void writeTo(final CodedOutputStream output) throws IOException { - for (final 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#printToString(UnknownFieldSet)}. - */ - @Override - public String toString() { - return TextFormat.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 { - final ByteString.CodedBuilder out = - ByteString.newCodedBuilder(getSerializedSize()); - writeTo(out.getCodedOutput()); - return out.build(); - } catch (final 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 { - final byte[] result = new byte[getSerializedSize()]; - final CodedOutputStream output = CodedOutputStream.newInstance(result); - writeTo(output); - output.checkNoSpaceLeft(); - return result; - } catch (final 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(final OutputStream output) throws IOException { - final CodedOutputStream codedOutput = CodedOutputStream.newInstance(output); - writeTo(codedOutput); - codedOutput.flush(); - } - - @Override - public void writeDelimitedTo(OutputStream output) throws IOException { - final CodedOutputStream codedOutput = CodedOutputStream.newInstance(output); - codedOutput.writeRawVarint32(getSerializedSize()); - writeTo(codedOutput); - codedOutput.flush(); - } - - /** Get the number of bytes required to encode this set. */ - @Override - public int getSerializedSize() { - int result = 0; - for (final 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(final CodedOutputStream output) - throws IOException { - for (final Map.Entry<Integer, Field> entry : fields.entrySet()) { - entry.getValue().writeAsMessageSetExtensionTo( - entry.getKey(), output); - } - } - - /** - * Get the number of bytes required to encode this set using - * {@code MessageSet} wire format. - */ - public int getSerializedSizeAsMessageSet() { - int result = 0; - for (final 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(final CodedInputStream input) - throws IOException { - return newBuilder().mergeFrom(input).build(); - } - - /** Parse {@code data} as an {@code UnknownFieldSet} and return it. */ - public static UnknownFieldSet parseFrom(final ByteString data) - throws InvalidProtocolBufferException { - return newBuilder().mergeFrom(data).build(); - } - - /** Parse {@code data} as an {@code UnknownFieldSet} and return it. */ - public static UnknownFieldSet parseFrom(final byte[] data) - throws InvalidProtocolBufferException { - return newBuilder().mergeFrom(data).build(); - } - - /** Parse an {@code UnknownFieldSet} from {@code input} and return it. */ - public static UnknownFieldSet parseFrom(final 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 Map<Integer, Field> fields; - - // Optimization: We keep around a builder for the last field that was - // modified so that we can efficiently add to it multiple times in a - // row (important when parsing an unknown repeated field). - private int lastFieldNumber; - private Field.Builder lastField; - - private static Builder create() { - Builder builder = new Builder(); - builder.reinitialize(); - return builder; - } - - /** - * Get a field builder for the given field number which includes any - * values that already exist. - */ - private Field.Builder getFieldBuilder(final int number) { - if (lastField != null) { - if (number == lastFieldNumber) { - return lastField; - } - // Note: addField() will reset lastField and lastFieldNumber. - addField(lastFieldNumber, lastField.build()); - } - if (number == 0) { - return null; - } else { - final Field existing = fields.get(number); - lastFieldNumber = number; - lastField = Field.newBuilder(); - if (existing != null) { - lastField.mergeFrom(existing); - } - return lastField; - } - } - - /** - * Build the {@link UnknownFieldSet} and return it. - * - * <p>Once {@code build()} has been called, the {@code Builder} will no - * longer be usable. Calling any method after {@code build()} will result - * in undefined behavior and can cause a {@code NullPointerException} to be - * thrown. - */ - @Override - public UnknownFieldSet build() { - getFieldBuilder(0); // Force lastField to be built. - final UnknownFieldSet result; - if (fields.isEmpty()) { - result = getDefaultInstance(); - } else { - result = new UnknownFieldSet(Collections.unmodifiableMap(fields)); - } - fields = null; - return result; - } - - @Override - public UnknownFieldSet buildPartial() { - // No required fields, so this is the same as build(). - return build(); - } - - @Override - public Builder clone() { - getFieldBuilder(0); // Force lastField to be built. - return UnknownFieldSet.newBuilder().mergeFrom( - new UnknownFieldSet(fields)); - } - - @Override - public UnknownFieldSet getDefaultInstanceForType() { - return UnknownFieldSet.getDefaultInstance(); - } - - private void reinitialize() { - fields = Collections.emptyMap(); - lastFieldNumber = 0; - lastField = null; - } - - /** Reset the builder to an empty set. */ - @Override - public Builder clear() { - reinitialize(); - return this; - } - - /** Clear fields from the set with a given field number. */ - public Builder clearField(final int number) { - if (number == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - if (lastField != null && lastFieldNumber == number) { - // Discard this. - lastField = null; - lastFieldNumber = 0; - } - if (fields.containsKey(number)) { - fields.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(final UnknownFieldSet other) { - if (other != getDefaultInstance()) { - for (final 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. - */ - public Builder mergeField(final int number, final Field field) { - if (number == 0) { - throw new IllegalArgumentException("Zero 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. - */ - public Builder mergeVarintField(final int number, final int value) { - if (number == 0) { - throw new IllegalArgumentException("Zero 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. - */ - public Builder mergeLengthDelimitedField( - final int number, final ByteString value) { - if (number == 0) { - throw new IllegalArgumentException("Zero 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(final int number) { - if (number == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - return number == lastFieldNumber || fields.containsKey(number); - } - - /** - * Add a field to the {@code UnknownFieldSet}. If a field with the same - * number already exists, it is removed. - */ - public Builder addField(final int number, final Field field) { - if (number == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - if (lastField != null && lastFieldNumber == number) { - // Discard this. - lastField = null; - lastFieldNumber = 0; - } - if (fields.isEmpty()) { - fields = new TreeMap<Integer,Field>(); - } - fields.put(number, 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() { - getFieldBuilder(0); // Force lastField to be built. - return Collections.unmodifiableMap(fields); - } - - /** - * Parse an entire message from {@code input} and merge its fields into - * this set. - */ - @Override - public Builder mergeFrom(final CodedInputStream input) throws IOException { - while (true) { - final 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(final int tag, final CodedInputStream input) - throws IOException { - final 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: - final 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(final ByteString data) throws InvalidProtocolBufferException { - try { - final CodedInputStream input = data.newCodedInput(); - mergeFrom(input); - input.checkLastTagWas(0); - return this; - } catch (final InvalidProtocolBufferException e) { - throw e; - } catch (final 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(final byte[] data) throws InvalidProtocolBufferException { - try { - final CodedInputStream input = CodedInputStream.newInstance(data); - mergeFrom(input); - input.checkLastTagWas(0); - return this; - } catch (final InvalidProtocolBufferException e) { - throw e; - } catch (final 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(final InputStream input) throws IOException { - final CodedInputStream codedInput = CodedInputStream.newInstance(input); - mergeFrom(codedInput); - codedInput.checkLastTagWas(0); - return this; - } - - @Override - public boolean mergeDelimitedFrom(InputStream input) throws IOException { - final int firstByte = input.read(); - if (firstByte == -1) { - return false; - } - final int size = CodedInputStream.readRawVarint32(firstByte, input); - final 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 { - final 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(final 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(final 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 field, including field number, and writes it to - * {@code output}. - */ - public void writeTo(final int fieldNumber, final CodedOutputStream output) - throws IOException { - for (final long value : varint) { - output.writeUInt64(fieldNumber, value); - } - for (final int value : fixed32) { - output.writeFixed32(fieldNumber, value); - } - for (final long value : fixed64) { - output.writeFixed64(fieldNumber, value); - } - for (final ByteString value : lengthDelimited) { - output.writeBytes(fieldNumber, value); - } - for (final UnknownFieldSet value : group) { - output.writeGroup(fieldNumber, value); - } - } - - /** - * Get the number of bytes required to encode this field, including field - * number. - */ - public int getSerializedSize(final int fieldNumber) { - int result = 0; - for (final long value : varint) { - result += CodedOutputStream.computeUInt64Size(fieldNumber, value); - } - for (final int value : fixed32) { - result += CodedOutputStream.computeFixed32Size(fieldNumber, value); - } - for (final long value : fixed64) { - result += CodedOutputStream.computeFixed64Size(fieldNumber, value); - } - for (final ByteString value : lengthDelimited) { - result += CodedOutputStream.computeBytesSize(fieldNumber, value); - } - for (final 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( - final int fieldNumber, - final CodedOutputStream output) - throws IOException { - for (final ByteString value : lengthDelimited) { - output.writeRawMessageSetExtension(fieldNumber, value); - } - } - - /** - * Get the number of bytes required to encode this field, including field - * number, using {@code MessageSet} wire format. - */ - public int getSerializedSizeAsMessageSetExtension(final int fieldNumber) { - int result = 0; - for (final 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 never be called directly (except from 'create'). - private Builder() {} - - private static Builder create() { - Builder builder = new Builder(); - builder.result = new Field(); - return builder; - } - - private Field result; - - /** - * Build the field. After {@code build()} has been called, the - * {@code Builder} is no longer usable. Calling any other method will - * result in undefined behavior and can cause a - * {@code NullPointerException} to be thrown. - */ - public Field build() { - if (result.varint == null) { - result.varint = Collections.emptyList(); - } else { - result.varint = Collections.unmodifiableList(result.varint); - } - if (result.fixed32 == null) { - result.fixed32 = Collections.emptyList(); - } else { - result.fixed32 = Collections.unmodifiableList(result.fixed32); - } - if (result.fixed64 == null) { - result.fixed64 = Collections.emptyList(); - } else { - result.fixed64 = Collections.unmodifiableList(result.fixed64); - } - if (result.lengthDelimited == null) { - result.lengthDelimited = Collections.emptyList(); - } else { - result.lengthDelimited = - Collections.unmodifiableList(result.lengthDelimited); - } - if (result.group == null) { - result.group = Collections.emptyList(); - } else { - result.group = Collections.unmodifiableList(result.group); - } - - final Field returnMe = result; - result = null; - return returnMe; - } - - /** 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(final 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<Long>(); - } - result.fixed64.addAll(other.fixed64); - } - if (!other.lengthDelimited.isEmpty()) { - if (result.lengthDelimited == null) { - result.lengthDelimited = new ArrayList<ByteString>(); - } - result.lengthDelimited.addAll(other.lengthDelimited); - } - if (!other.group.isEmpty()) { - if (result.group == null) { - result.group = new ArrayList<UnknownFieldSet>(); - } - result.group.addAll(other.group); - } - return this; - } - - /** Add a varint value. */ - public Builder addVarint(final long value) { - if (result.varint == null) { - result.varint = new ArrayList<Long>(); - } - result.varint.add(value); - return this; - } - - /** Add a fixed32 value. */ - public Builder addFixed32(final int value) { - if (result.fixed32 == null) { - result.fixed32 = new ArrayList<Integer>(); - } - result.fixed32.add(value); - return this; - } - - /** Add a fixed64 value. */ - public Builder addFixed64(final long value) { - if (result.fixed64 == null) { - result.fixed64 = new ArrayList<Long>(); - } - result.fixed64.add(value); - return this; - } - - /** Add a length-delimited value. */ - public Builder addLengthDelimited(final ByteString value) { - if (result.lengthDelimited == null) { - result.lengthDelimited = new ArrayList<ByteString>(); - } - result.lengthDelimited.add(value); - return this; - } - - /** Add an embedded group. */ - public Builder addGroup(final UnknownFieldSet value) { - if (result.group == null) { - result.group = new ArrayList<UnknownFieldSet>(); - } - 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.getMessage()) - .setUnfinishedMessage(builder.buildPartial()); - } - return builder.buildPartial(); - } - } - - private static final Parser PARSER = new Parser(); - @Override - public final Parser getParserForType() { - return PARSER; - } -} |