/brightaction/src/com/brightcove/brightaction/utils/ObjectChecker.as
ActionScript | 50 lines | 12 code | 9 blank | 29 comment | 6 complexity | 59eb1db4aaa92cba24005f5de580bedb MD5 | raw file
1/** 2 * GNU General Public License v3 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 11 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 12 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 13 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 14 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 15 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 16 * THE SOFTWARE. 17 */ 18package com.brightcove.brightaction.utils { 19 20 import com.adobe.serialization.json.JSON; 21 22 import flash.utils.*; 23 24 /** 25 * A utility object for checking and comparing properties on objects 26 * 27 * @author amanning 28 */ 29 public class ObjectChecker { 30 31 /** 32 * Return the properly on the object if it is defined, null otherwise 33 * 34 * @param object object that may contain property 35 * @param property the property name 36 * @return the value of the property if it exists, null otherwise 37 */ 38 public static function ifDefined(object:Object, property:String):Object { 39 40 if(object == null) { return null; } 41 if(property == null || property.length < 1) { return null; } 42 if(!object.hasOwnProperty(property)){ return null; } 43 44 return object[property]; 45 46 } 47 48 } 49 50}