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/**
*@class ArrayList
*@description
*@time 2014-09-16 21:59
*@author StarZou
**/
function ArrayList(arr) {
this._elementData = arr || [];
}
var arrayListPrototype = {
'_arrayPrototype': Array.prototype,
'_getData': function () {
return this._elementData;
},
'size': function () {
return this._getData().length;
},
'isEmpty': function () {
return this.size() === 0;
},
'contains': function (obj) {
return this.indexOf(obj) > -1;
},
'indexOf': function (obj) {
var i , data = this._getData(), length = data.length;
for (i = 0; i < length; i++) {
if (obj === data[i]) {
return i;
}
}
return -1;
},
'lastIndexOf': function (obj) {
var i , data = this._getData(), length = data.length;
for (i = length - 1; i > -1; i--) {
if (obj === data[i]) {
return i;
}
}
return -1;
},
'get': function (index) {
return this._getData()[index];
},
'set': function (index, element) {
this._getData()[index] = element;
},
'add': function (index, element) {
if (element) {
this.set(index, element);
} else {
return this._getData().push(index);
}
},
'remove': function (index) {
var oldValue = this._getData()[index];
this._getData()[index] = null;
return oldValue;
},
'clear': function () {
this._getData().length = 0;
},
'addAll': function (index, array) {
if (array) {
this._getData().splice(index, 0, array);
} else {
this._arrayPrototype.push.apply(this._getData(), index);
}
}
};
ArrayList.prototype = arrayListPrototype;
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