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Copy path1 - The simple factory.js
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122 lines (96 loc) · 2.29 KB
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/* BicycleShop class. */
var BicycleShop = function() {};
BicycleShop.prototype = {
sellBicycle: function(model) {
var bicycle;
switch(model) {
case 'The Speedster':
bicycle = new Speedster();
break;
case 'The Lowrider':
bicycle = new Lowrider();
break;
case 'The Comfort Cruiser':
default:
bicycle = new ComfortCruiser();
}
Interface.ensureImplements(bicycle, Bicycle);
bicycle.assemble();
bicycle.wash();
return bicycle;
}
};
/* The Bicycle interface. */
var Bicycle = new Interface('Bicycle', ['assemble', 'wash', 'ride', 'repair']);
/* Speedster class. */
var Speedster = function() { // implements Bicycle
//todo
};
Speedster.prototype = {
assemble: function() {
//todo
},
wash: function() {
//todo
},
ride: function() {
//todo
},
repair: function() {
//todo
}
};
/* Usage. */
var californiaCruisers = new BicycleShop();
var yourNewBike = californiaCruisers.sellBicycle('The Speedster');
/* BicycleFactory namespace. */
var BicycleFactory = {
createBicycle: function(model) {
var bicycle;
switch(model) {
case 'The Speedster':
bicycle = new Speedster();
break;
case 'The Lowrider':
bicycle = new Lowrider();
break;
case 'The Comfort Cruiser':
default:
bicycle = new ComfortCruiser();
}
Interface.ensureImplements(bicycle, Bicycle);
return bicycle;
}
};
/* BicycleShop class, improved. */
var BicycleShop = function() {};
BicycleShop.prototype = {
sellBicycle: function(model) {
var bicycle = BicycleFactory.createBicycle(model);
bicycle.assemble();
bicycle.wash();
return bicycle;
}
};
/* BicycleFactory namespace, with more models. */
var BicycleFactory = {
createBicycle: function(model) {
var bicycle;
switch(model) {
case 'The Speedster':
bicycle = new Speedster();
break;
case 'The Lowrider':
bicycle = new Lowrider();
break;
case 'The Flatlander':
bicycle = new Flatlander();
break;
case 'The Comfort Cruiser':
default:
bicycle = new ComfortCruiser();
}
Interface.ensureImplements(bicycle, Bicycle);
return bicycle;
}
};