node-web-mvc/dist/validation/annotation/Size.js

node spring mvc

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const UnexpectedTypeException_1 = __importDefault(require("../../errors/UnexpectedTypeException"));
const TypeConverter_1 = require("../../serialization/TypeConverter");
const Target_1 = __importDefault(require("../../servlets/annotations/Target"));
const ElementType_1 = __importDefault(require("../../servlets/annotations/annotation/ElementType"));
const Constraints_1 = __importDefault(require("./Constraints"));
class Size extends Constraints_1.default {
    constructor() {
        super(...arguments);
        this.message = '{validation.constraints.Size.message}';
        /**
         * 当前元素必须大于等于 min
         */
        this.min = 0;
        /**
         * 当前元素必须小于等于 max
         */
        this.max = Number.MAX_VALUE;
    }
    getSize(value, context) {
        const typer = context.currentTyper;
        if (typeof value == 'string') {
            return value.length;
        }
        else if (value instanceof Array) {
            return value.length;
        }
        else if (value instanceof Map) {
            return value.size;
        }
        else if (value instanceof Set) {
            return value.size;
        }
        else if (typer.isType(TypeConverter_1.TypedArray)) {
            return value.length;
        }
        else {
            throw new UnexpectedTypeException_1.default(context);
        }
    }
    isValid(value, context) {
        if (value === null || value === undefined) {
            // 如果为null或者undefined则忽略验证
            return true;
        }
        const size = this.getSize(value, context);
        return size >= this.min && size <= this.max;
    }
}
/**
 * 验证配置元素的区间范围
 *
 * 支持的类型:
 * - `String`
 * - `Array`
 * - `Map`
 * - `Set`
 * - `TypedArray`
 *
 * `null` 或者 `undefined` 则忽略验证
 */
exports.default = (0, Target_1.default)([ElementType_1.default.PROPERTY, ElementType_1.default.PARAMETER])(Size);