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mosaicId.validator.ts
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mosaicId.validator.ts
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/*
*
* Copyright 2018-present NEM
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import {ExpectedError, ValidationContext, Validator} from 'clime';
import {MosaicId, NamespaceId} from 'nem2-sdk';
/**
* Mosaic id validator
*/
export class MosaicIdValidator implements Validator<string> {
/**
* Validates if a mosaic id object can be created from a string.
* @param {string} value - MosaicId in hexadecimal.
* @param {ValidationContext} context
* @throws {ExpectedError}
*/
validate(value: string, context?: ValidationContext): void {
try {
const ignored = new MosaicId(value);
} catch (err) {
throw new ExpectedError('Enter a mosaic id in hexadecimal format. Example: 941299B2B7E1291C');
}
}
}
/**
* Mosaic id alias validator
*/
export class MosaicIdAliasValidator implements Validator<string> {
/**
* Validates if a mosaic id object can be created from a string.
* @param {string} value - MosaicId in hexadecimal or Namespace name. If starts with '@', it is a namespace name.
* @param {ValidationContext} context
* @throws {ExpectedError}
*/
validate(value: string, context?: ValidationContext): void {
const aliasTag = '@';
if (value.charAt(0) !== aliasTag) {
try {
const ignored = new MosaicId(value);
} catch (err) {
throw new ExpectedError('Enter a mosaic id in hexadecimal format. Example: 941299B2B7E1291C');
}
} else {
const alias = value.substring(1);
try {
const ignored = new NamespaceId(alias);
} catch (err) {
throw new ExpectedError('Enter valid mosaic alias. Example: @nem.xem');
}
}
}
}