jspos
Version:
JavaScript ISO8583 ,JavaScript version of JPOS
145 lines (108 loc) • 7.48 kB
JavaScript
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _ISOFieldPackager2 = require('./ISOFieldPackager');
var _ISOFieldPackager3 = _interopRequireDefault(_ISOFieldPackager2);
var _Padder = require('../Padder');
var _Padder2 = _interopRequireDefault(_Padder);
var _Interpreter = require('../Interpreter');
var _Interpreter2 = _interopRequireDefault(_Interpreter);
var _Prefixer = require('../Prefixer');
var _Prefixer2 = _interopRequireDefault(_Prefixer);
var _ISOComponent = require('../ISOComponent');
var _ISOComponent2 = _interopRequireDefault(_ISOComponent);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /**
* @author Bruno bruno.camargos@gmail.com
* @date 2016/01/18
*/
var ISOAmountFieldPackager = function (_ISOFieldPackager) {
_inherits(ISOAmountFieldPackager, _ISOFieldPackager);
function ISOAmountFieldPackager(maxLength, description, padder, interpreter, prefixer) {
_classCallCheck(this, ISOAmountFieldPackager);
var _this = _possibleConstructorReturn(this, (ISOAmountFieldPackager.__proto__ || Object.getPrototypeOf(ISOAmountFieldPackager)).call(this, maxLength, description));
_this.interpreter = interpreter;
_this.padder = padder;
_this.prefixer = prefixer;
return _this;
}
/**
* Sets the Padder.
* @param padder The padder to use during packing and unpacking.
*/
_createClass(ISOAmountFieldPackager, [{
key: 'setPadder',
value: function setPadder(padder) {
this.padder = padder;
}
/**
* Sets the Interpreter.
* @param interpreter The interpreter to use in packing and unpacking.
*/
}, {
key: 'setInterpreter',
value: function setInterpreter(interpreter) {
this.interpreter = interpreter;
}
}, {
key: 'setPrefixer',
value: function setPrefixer(prefixer) {
this.prefixer = prefixer;
}
}, {
key: 'checkLength',
value: function checkLength(len, maxLength) {
if (len > maxLength) {
throw Error('Length ' + len + ' too long for ' + this.name);
}
}
/**
* Returns the prefixer's packed length and the interpreter's packed length.
*/
}, {
key: 'getMaxPackedLength',
value: function getMaxPackedLength() {
return this.prefixer.getPackedLength() + this.interpreter.getPackedLength(this.getLength());
}
}, {
key: 'pack',
value: function pack(field) {
var data = field.getValue();
if (data.length > this.getLength()) {
throw Error('Field length ' + data.length + ' too long. Max: ' + this.getLength());
}
var sign = data.substring(0, 1);
var amount = data.substring(1);
var paddedData = this.padder.pad(amount, this.getLength() - 1);
var signLength = this.interpreter.getPackedLength(1);
var len = this.prefixer.getPackedLength() + this.interpreter.getPackedLength(paddedData.length);
var rawData = new Array(this.prefixer.getPackedLength() + signLength + this.interpreter.getPackedLength(paddedData.length));
this.prefixer.encodeLength(paddedData.length, rawData);
this.interpreter.interpret(sign, rawData, this.prefixer.getPackedLength());
this.interpreter.interpret(paddedData, rawData, this.prefixer.getPackedLength() + signLength);
return rawData;
}
}, {
key: 'unpack',
value: function unpack(field, b, offset) {
var len = this.prefixer.decodeLength(b, offset);
if (len === -1) {
// The prefixer doesn't know how long the field is, so use
// maxLength instead
len = this.getLength();
} else if (this.getLength() > 0 && len > this.getLength()) {
throw Error('Field length ' + len + ' too long. Max: ' + this.getLength());
}
var lenLen = this.prefixer.getPackedLength();
var unpacked = this.interpreter.uninterpret(b, offset + lenLen, len);
field.setValue(unpacked);
return lenLen + this.interpreter.getPackedLength(len);
}
}]);
return ISOAmountFieldPackager;
}(_ISOFieldPackager3.default);
exports.default = ISOAmountFieldPackager;