101 lines
4.1 KiB
Java
101 lines
4.1 KiB
Java
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package com.google.protobuf;
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import java.io.IOException;
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import java.util.Map;
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@CheckReturnValue
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abstract class ExtensionSchema<T extends FieldSet.FieldDescriptorLite<T>> {
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/** Returns true for messages that support extensions. */
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abstract boolean hasExtensions(MessageLite prototype);
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/** Returns the extension {@link FieldSet} for the message instance. */
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abstract FieldSet<T> getExtensions(Object message);
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/** Replaces the extension {@link FieldSet} for the message instance. */
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abstract void setExtensions(Object message, FieldSet<T> extensions);
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/** Returns the extension {@link FieldSet} and ensures it's mutable. */
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abstract FieldSet<T> getMutableExtensions(Object message);
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/** Marks the extension {@link FieldSet} as immutable. */
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abstract void makeImmutable(Object message);
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/**
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* Parses an extension. Returns the passed-in unknownFields parameter if no unknown enum value is
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* found or a modified unknownFields (a new instance if the passed-in unknownFields is null)
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* containing unknown enum values found while parsing.
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*
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* @param <UT> The type used to store unknown fields. It's either UnknownFieldSet in full runtime
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* or UnknownFieldSetLite in lite runtime.
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*/
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abstract <UT, UB> UB parseExtension(
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Object containerMessage,
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Reader reader,
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Object extension,
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ExtensionRegistryLite extensionRegistry,
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FieldSet<T> extensions,
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UB unknownFields,
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UnknownFieldSchema<UT, UB> unknownFieldSchema)
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throws IOException;
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/** Gets the field number of an extension entry. */
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abstract int extensionNumber(Map.Entry<?, ?> extension);
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/** Serializes one extension entry. */
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abstract void serializeExtension(Writer writer, Map.Entry<?, ?> extension) throws IOException;
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/** Finds an extension by field number. */
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abstract Object findExtensionByNumber(
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ExtensionRegistryLite extensionRegistry, MessageLite defaultInstance, int number);
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/** Parses a length-prefixed MessageSet item from the reader. */
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abstract void parseLengthPrefixedMessageSetItem(
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Reader reader,
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Object extension,
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ExtensionRegistryLite extensionRegistry,
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FieldSet<T> extensions)
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throws IOException;
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/**
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* Parses the entire content of a {@link ByteString} as one MessageSet item. Unlike {@link
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* #parseLengthPrefixedMessageSetItem}, there isn't a length-prefix.
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*/
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abstract void parseMessageSetItem(
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ByteString data,
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Object extension,
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ExtensionRegistryLite extensionRegistry,
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FieldSet<T> extensions)
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throws IOException;
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}
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