org.apache.comet.shaded.protobuf.AbstractParser Maven / Gradle / Ivy
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
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//
// * 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.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
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package org.apache.comet.shaded.protobuf;
import org.apache.comet.shaded.protobuf.AbstractMessageLite.Builder.LimitedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
/**
* A partial implementation of the {@link Parser} interface which implements as many methods of that
* interface as possible in terms of other methods.
*
* Note: This class implements all the convenience methods in the {@link Parser} interface. See
* {@link Parser} for related javadocs. Subclasses need to implement {@link
* Parser#parsePartialFrom(CodedInputStream, ExtensionRegistryLite)}
*
* @author [email protected] (Pherl Liu)
*/
public abstract class AbstractParser
implements Parser {
/** Creates an UninitializedMessageException for MessageType. */
private UninitializedMessageException newUninitializedMessageException(MessageType message) {
if (message instanceof AbstractMessageLite) {
return ((AbstractMessageLite) message).newUninitializedMessageException();
}
return new UninitializedMessageException(message);
}
/**
* Helper method to check if message is initialized.
*
* @throws InvalidProtocolBufferException if it is not initialized.
* @return The message to check.
*/
private MessageType checkMessageInitialized(MessageType message)
throws InvalidProtocolBufferException {
if (message != null && !message.isInitialized()) {
throw newUninitializedMessageException(message)
.asInvalidProtocolBufferException()
.setUnfinishedMessage(message);
}
return message;
}
private static final ExtensionRegistryLite EMPTY_REGISTRY =
ExtensionRegistryLite.getEmptyRegistry();
@Override
public MessageType parsePartialFrom(CodedInputStream input)
throws InvalidProtocolBufferException {
return parsePartialFrom(input, EMPTY_REGISTRY);
}
@Override
public MessageType parseFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return checkMessageInitialized(parsePartialFrom(input, extensionRegistry));
}
@Override
public MessageType parseFrom(CodedInputStream input) throws InvalidProtocolBufferException {
return parseFrom(input, EMPTY_REGISTRY);
}
@Override
public MessageType parsePartialFrom(ByteString data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
MessageType message;
try {
CodedInputStream input = data.newCodedInput();
message = parsePartialFrom(input, extensionRegistry);
try {
input.checkLastTagWas(0);
} catch (InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(message);
}
return message;
} catch (InvalidProtocolBufferException e) {
throw e;
}
}
@Override
public MessageType parsePartialFrom(ByteString data) throws InvalidProtocolBufferException {
return parsePartialFrom(data, EMPTY_REGISTRY);
}
@Override
public MessageType parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return checkMessageInitialized(parsePartialFrom(data, extensionRegistry));
}
@Override
public MessageType parseFrom(ByteString data) throws InvalidProtocolBufferException {
return parseFrom(data, EMPTY_REGISTRY);
}
@Override
public MessageType parseFrom(ByteBuffer data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
MessageType message;
try {
CodedInputStream input = CodedInputStream.newInstance(data);
message = parsePartialFrom(input, extensionRegistry);
try {
input.checkLastTagWas(0);
} catch (InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(message);
}
} catch (InvalidProtocolBufferException e) {
throw e;
}
return checkMessageInitialized(message);
}
@Override
public MessageType parseFrom(ByteBuffer data) throws InvalidProtocolBufferException {
return parseFrom(data, EMPTY_REGISTRY);
}
@Override
public MessageType parsePartialFrom(
byte[] data, int off, int len, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
try {
CodedInputStream input = CodedInputStream.newInstance(data, off, len);
MessageType message = parsePartialFrom(input, extensionRegistry);
try {
input.checkLastTagWas(0);
} catch (InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(message);
}
return message;
} catch (InvalidProtocolBufferException e) {
throw e;
}
}
@Override
public MessageType parsePartialFrom(byte[] data, int off, int len)
throws InvalidProtocolBufferException {
return parsePartialFrom(data, off, len, EMPTY_REGISTRY);
}
@Override
public MessageType parsePartialFrom(byte[] data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return parsePartialFrom(data, 0, data.length, extensionRegistry);
}
@Override
public MessageType parsePartialFrom(byte[] data) throws InvalidProtocolBufferException {
return parsePartialFrom(data, 0, data.length, EMPTY_REGISTRY);
}
@Override
public MessageType parseFrom(
byte[] data, int off, int len, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return checkMessageInitialized(parsePartialFrom(data, off, len, extensionRegistry));
}
@Override
public MessageType parseFrom(byte[] data, int off, int len)
throws InvalidProtocolBufferException {
return parseFrom(data, off, len, EMPTY_REGISTRY);
}
@Override
public MessageType parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return parseFrom(data, 0, data.length, extensionRegistry);
}
@Override
public MessageType parseFrom(byte[] data) throws InvalidProtocolBufferException {
return parseFrom(data, EMPTY_REGISTRY);
}
@Override
public MessageType parsePartialFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
CodedInputStream codedInput = CodedInputStream.newInstance(input);
MessageType message = parsePartialFrom(codedInput, extensionRegistry);
try {
codedInput.checkLastTagWas(0);
} catch (InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(message);
}
return message;
}
@Override
public MessageType parsePartialFrom(InputStream input) throws InvalidProtocolBufferException {
return parsePartialFrom(input, EMPTY_REGISTRY);
}
@Override
public MessageType parseFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return checkMessageInitialized(parsePartialFrom(input, extensionRegistry));
}
@Override
public MessageType parseFrom(InputStream input) throws InvalidProtocolBufferException {
return parseFrom(input, EMPTY_REGISTRY);
}
@Override
public MessageType parsePartialDelimitedFrom(
InputStream input, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
int size;
try {
int firstByte = input.read();
if (firstByte == -1) {
return null;
}
size = CodedInputStream.readRawVarint32(firstByte, input);
} catch (IOException e) {
throw new InvalidProtocolBufferException(e);
}
InputStream limitedInput = new LimitedInputStream(input, size);
return parsePartialFrom(limitedInput, extensionRegistry);
}
@Override
public MessageType parsePartialDelimitedFrom(InputStream input)
throws InvalidProtocolBufferException {
return parsePartialDelimitedFrom(input, EMPTY_REGISTRY);
}
@Override
public MessageType parseDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
throws InvalidProtocolBufferException {
return checkMessageInitialized(parsePartialDelimitedFrom(input, extensionRegistry));
}
@Override
public MessageType parseDelimitedFrom(InputStream input) throws InvalidProtocolBufferException {
return parseDelimitedFrom(input, EMPTY_REGISTRY);
}
}