001    /**
002     * Implements the CFML Function structkeyexists
003     */
004    package railo.runtime.functions.arrays;
005    
006    import railo.runtime.PageContext;
007    import railo.runtime.config.NullSupportHelper;
008    import railo.runtime.exp.PageException;
009    import railo.runtime.functions.BIF;
010    import railo.runtime.op.Caster;
011    import railo.runtime.type.Array;
012    
013    public final class ArrayIndexExists extends BIF {
014            
015            private static final long serialVersionUID = -4490011932571314711L;
016    
017            public static boolean call(PageContext pc , Array array, double index) {
018            return array.get((int)index,NullSupportHelper.NULL())!=NullSupportHelper.NULL();
019        }
020            
021            @Override
022            public Object invoke(PageContext pc, Object[] args) throws PageException {
023                    return call(pc,Caster.toArray(args[0]),Caster.toDoubleValue(args[1]));
024            }
025    }