ClassUtil

/*
    CASA Framework for ActionScript 3.0
    Copyright (c) 2011, Contributors of CASA Framework
    All rights reserved.
    
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      this list of conditions and the following disclaimer.
    
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      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    
    - Neither the name of the CASA Framework nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.
    
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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*/
package org.casalib.util {
    
    /**
        Utilities for constructing and working with Classes.
        
        @author Aaron Clinger
        @version 02/13/10
    */
    public class ClassUtil {
        
        /**
            Dynamically constructs a Class.
            
            @param type: The Class to create.
            @param arguments: Up to ten arguments to the constructor.
            @return Returns the dynamically created instance of the Class specified by type parameter.
            @throws Error if you pass more arguments than this method accepts (accepts ten or less).
            @example
                
                    var bData:* = ClassUtil.construct(BitmapData, 200, 200);
                    
                    trace(bData is BitmapData, bData.width);
                
        */
        public static function construct(type:Class, ...arguments):* {
            if (arguments.length > 10)
                throw new Error('You have passed more arguments than the "construct" method accepts (accepts ten or less).');
            
            switch (arguments.length) {
                    case 0 :
                        return new type();
                    case 1 :
                        return new type(arguments[0]);
                    case 2 :
                        return new type(arguments[0], arguments[1]);
                    case 3 :
                        return new type(arguments[0], arguments[1], arguments[2]);
                    case 4 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3]);
                    case 5 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4]);
                    case 6 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5]);
                    case 7 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5], arguments[6]);
                    case 8 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5], arguments[6], arguments[7]);
                    case 9 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5], arguments[6], arguments[7], arguments[8]);
                    case 10 :
                        return new type(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5], arguments[6], arguments[7], arguments[8], arguments[9]);
            }
        }
    }
}