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Validatable.java

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package net.threebit.utils.sosc ; 

public abstract class Validatable {   

        private final String type;

        protected final String number;

        private boolean isValid;

        private boolean validated;    

        public String getNumber() {
                return number;
        }

        public String getType() {
                return type;
        }

        public String toString() {
                return number;
        }

        protected Validatable(final String num, final String typ) {        
                number = num;
                type = typ;
        }

        public boolean equals(Object o)
        {
                final Validatable other;          
                other = (Validatable)o;
                return ((number.compareTo(other.number) == 0));
        }

        public final boolean validate()
        {         
                if (!validated)
                {       
                        validated = true;

                        if ((!checkSize()) || (!checkPrefix()))
                        {               
                                isValid = false;
                        }            
                        else
                        {
                                isValid = checkDigits(Utils.toDigits(number));
                        }            
                }
                return isValid;
        }     

        protected boolean checkPrefix()
        {
                return (true);
        }

        protected abstract boolean checkSize();
        protected abstract boolean checkDigits(int[] digits);    
}

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