/*
* Copyright 2023, TeamDev. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Redistribution and use in source and/or binary forms, with or without
* modification, must retain the above copyright notice and the following
* disclaimer.
*
* 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.
*/
"use strict";
/**
* The map of all Protobuf types known to the application.
*
* <p>It is intended to be a static variable, but ES6 doesn't provide an easy way to do it.
*
* @type {Map<String, Class>}
* @private
*/
const types = new Map();
/**
* All Protobuf types known to the application.
*
* <p>This class serves as the registry of types generated by Protobuf complier.
*/
export default class KnownTypes {
constructor() {
throw new Error('KnownTypes is not supposed to be instantiated.');
}
/**
* Obtains the type URL for the Protobuf type.
*
* @param {!Class} messageClass the class of a Protobuf message or enum
* @return {!string} the type URL
* @public
*/
static typeUrlFor(messageClass) {
return messageClass.typeUrl();
}
/**
* Obtains JS class for the given Protobuf type URL.
*
* @param {!string} typeUrl the type URL
* @return {!Class} class of this Protobuf type
* @public
*/
static classFor(typeUrl) {
const cls = types.get(typeUrl);
if (cls === null || cls === undefined) {
throw new Error(`Class for type URL '${typeUrl}' is not found.`);
}
return cls;
}
/**
* Registers the type as a known type.
*
* @param {!Class} type the class of a Protobuf message or enum
* @param {!string} typeUrl the URL of the type
*/
static register(type, typeUrl) {
if (!KnownTypes.hasType(typeUrl)) {
types.set(typeUrl, type);
}
}
/**
* Tells whether the specified type URL is present among known types.
*
* @param {!string} typeUrl the type URL to check
*/
static hasType(typeUrl) {
return types.has(typeUrl);
}
/**
* Removes all the types.
*
* The method is purposed for the testing.
*/
static clear() {
types.clear();
}
}