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Kotlin core Protocol Buffers library. Protocol Buffers are a way of encoding structured data in an
efficient yet extensible format.
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
package com.google.protobuf;
/** A factory for message info that is generated into the message itself. */
@ExperimentalApi
class GeneratedMessageInfoFactory implements MessageInfoFactory {
private static final GeneratedMessageInfoFactory instance = new GeneratedMessageInfoFactory();
// Disallow construction - it's a singleton.
private GeneratedMessageInfoFactory() {}
public static GeneratedMessageInfoFactory getInstance() {
return instance;
}
@Override
public boolean isSupported(Class> messageType) {
return GeneratedMessageLite.class.isAssignableFrom(messageType);
}
@Override
public MessageInfo messageInfoFor(Class> messageType) {
if (!GeneratedMessageLite.class.isAssignableFrom(messageType)) {
throw new IllegalArgumentException("Unsupported message type: " + messageType.getName());
}
try {
return (MessageInfo) GeneratedMessageLite.getDefaultInstance(
messageType.asSubclass(GeneratedMessageLite.class))
.buildMessageInfo();
} catch (Exception e) {
throw new RuntimeException("Unable to get message info for " + messageType.getName(), e);
}
}
}
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