ByteUnit enum. Made like TimeUnits from Sun

ByteUnit.java

public enum ByteUnit {
    BYTE {
        public long toBytes(long d){return d;}
        public long toKilos(long d){return d/(DEC1/DEC0);}
        public long toMegas(long d){return d/(DEC2/DEC0);}
        public long toGigas(long d){return d/(DEC3/DEC0);}
        public long toTeras(long d){return d/(DEC4/DEC0);}
        public long toPetas(long d){return d/(DEC5/DEC0);}
        public long toExas(long d){return d/(DEC6/DEC0);}
        public long toZettas(long d){return d/(DEC7/DEC0);}
        public long toYottas(long d){return d/(DEC8/DEC0);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.B;}
    },
    KILOBYTE {
        public long toBytes(long d){return x(d, DEC1/DEC0, MAX/(DEC1/DEC0));}
        public long toKilos(long d){return d;}
        public long toMegas(long d){return d/(DEC2/DEC1);}
        public long toGigas(long d){return d/(DEC3/DEC1);}
        public long toTeras(long d){return d/(DEC4/DEC1);}
        public long toPetas(long d){return d/(DEC5/DEC1);}
        public long toExas(long d){return d/(DEC6/DEC1);}
        public long toZettas(long d){return d/(DEC7/DEC1);}
        public long toYottas(long d){return d/(DEC8/DEC1);}
        public long convert(long d, ByteUnit u){return u.toKilos(d);}        
        public Abbrevation abbrevation() {return Abbrevation.kB;}
    },
    MEGABYTE {
        public long toBytes(long d){return x(d, DEC2/DEC0, MAX/(DEC2/DEC0));}
        public long toKilos(long d){return x(d, DEC2/DEC1, MAX/(DEC2/DEC1));}
        public long toMegas(long d){return d;}
        public long toGigas(long d){return d/(DEC3/DEC2);}
        public long toTeras(long d){return d/(DEC4/DEC2);}
        public long toPetas(long d){return d/(DEC5/DEC2);}
        public long toExas(long d){return d/(DEC6/DEC2);}
        public long toZettas(long d){return d/(DEC7/DEC2);}
        public long toYottas(long d){return d/(DEC8/DEC2);}
        public long convert(long d, ByteUnit u){return u.toMegas(d);}
        public Abbrevation abbrevation() {return Abbrevation.MB;}
    },
    GIGABYTE {
        public long toBytes(long d){return x(d, DEC3/DEC0, MAX/(DEC3/DEC0));}
        public long toKilos(long d){return x(d, DEC3/DEC1, MAX/(DEC3/DEC1));}
        public long toMegas(long d){return x(d, DEC3/DEC2, MAX/(DEC3/DEC2));}
        public long toGigas(long d){return d;}
        public long toTeras(long d){return d/(DEC4/DEC3);}
        public long toPetas(long d){return d/(DEC5/DEC3);}
        public long toExas(long d){return d/(DEC6/DEC3);}
        public long toZettas(long d){return d/(DEC7/DEC3);}
        public long toYottas(long d){return d/(DEC8/DEC3);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    TERABYTE {
        public long toBytes(long d){return x(d, DEC4/DEC0, MAX/(DEC4/DEC0));}
        public long toKilos(long d){return x(d, DEC4/DEC1, MAX/(DEC4/DEC1));}
        public long toMegas(long d){return x(d, DEC4/DEC2, MAX/(DEC4/DEC2));}
        public long toGigas(long d){return x(d, DEC4/DEC3, MAX/(DEC4/DEC3));}
        public long toTeras(long d){return d;}
        public long toPetas(long d){return d/(DEC5/DEC4);}
        public long toExas(long d){return d/(DEC6/DEC4);}
        public long toZettas(long d){return d/(DEC7/DEC4);}
        public long toYottas(long d){return d/(DEC8/DEC4);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    PETABYTE {
        public long toBytes(long d){return x(d, DEC5/DEC0, MAX/(DEC5/DEC0));}
        public long toKilos(long d){return x(d, DEC5/DEC1, MAX/(DEC5/DEC1));}
        public long toMegas(long d){return x(d, DEC5/DEC2, MAX/(DEC5/DEC2));}
        public long toGigas(long d){return x(d, DEC5/DEC3, MAX/(DEC5/DEC3));}
        public long toTeras(long d){return x(d, DEC5/DEC4, MAX/(DEC5/DEC4));}
        public long toPetas(long d){return d;}
        public long toExas(long d){return d/(DEC6/DEC5);}
        public long toZettas(long d){return d/(DEC7/DEC5);}
        public long toYottas(long d){return d/(DEC8/DEC5);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    EXABYTE {
        public long toBytes(long d){return x(d, DEC6/DEC0, MAX/(DEC6/DEC0));}
        public long toKilos(long d){return x(d, DEC6/DEC1, MAX/(DEC6/DEC1));}
        public long toMegas(long d){return x(d, DEC6/DEC2, MAX/(DEC6/DEC2));}
        public long toGigas(long d){return x(d, DEC6/DEC3, MAX/(DEC6/DEC3));}
        public long toTeras(long d){return x(d, DEC6/DEC4, MAX/(DEC6/DEC4));}
        public long toPetas(long d){return x(d, DEC6/DEC5, MAX/(DEC6/DEC5));}
        public long toExas(long d){return d;}
        public long toZettas(long d){return d/(DEC7/DEC6);}
        public long toYottas(long d){return d/(DEC8/DEC6);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    ZETTABYTE {
        public long toBytes(long d){return x(d, DEC7/DEC0, MAX/(DEC7/DEC0));}
        public long toKilos(long d){return x(d, DEC7/DEC1, MAX/(DEC7/DEC1));}
        public long toMegas(long d){return x(d, DEC7/DEC2, MAX/(DEC7/DEC2));}
        public long toGigas(long d){return x(d, DEC7/DEC3, MAX/(DEC7/DEC3));}
        public long toTeras(long d){return x(d, DEC7/DEC4, MAX/(DEC7/DEC4));}
        public long toPetas(long d){return x(d, DEC7/DEC5, MAX/(DEC7/DEC5));}
        public long toExas(long d){return x(d, DEC7/DEC6, MAX/(DEC7/DEC6));}
        public long toZettas(long d){return d;}
        public long toYottas(long d){return d/(DEC8/DEC7);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    YOTTABYTE{
        public long toBytes(long d){return x(d, DEC8/DEC0, MAX/(DEC8/DEC0));}
        public long toKilos(long d){return x(d, DEC8/DEC1, MAX/(DEC8/DEC1));}
        public long toMegas(long d){return x(d, DEC8/DEC2, MAX/(DEC8/DEC2));}
        public long toGigas(long d){return x(d, DEC8/DEC3, MAX/(DEC8/DEC3));}
        public long toTeras(long d){return x(d, DEC8/DEC4, MAX/(DEC8/DEC4));}
        public long toPetas(long d){return x(d, DEC8/DEC5, MAX/(DEC8/DEC5));}
        public long toExas(long d){return x(d, DEC8/DEC6, MAX/(DEC8/DEC6));}
        public long toZettas(long d){return x(d, DEC8/DEC7, MAX/(DEC8/DEC7));}
        public long toYottas(long d){return d;}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    KIBIBYTE {
        public long toBytes(long d){return x(d, DUA1/DUA0, MAX/(DUA1/DUA0));}
        public long toKilos(long d){return d;}
        public long toMegas(long d){return d/(DUA2/DUA1);}
        public long toGigas(long d){return d/(DUA3/DUA1);}
        public long toTeras(long d){return d/(DUA4/DUA1);}
        public long toPetas(long d){return d/(DUA5/DUA1);}
        public long toExas(long d){return d/(DUA6/DUA1);}
        public long toZettas(long d){return d/(DUA7/DUA1);}
        public long toYottas(long d){return d/(DUA8/DUA1);}
        public long convert(long d, ByteUnit u){return u.toKilos(d);}        
        public Abbrevation abbrevation() {return Abbrevation.kB;}
    },
    MEBIBYTE {
        public long toBytes(long d){return x(d, DUA2/DUA0, MAX/(DUA2/DUA0));}
        public long toKilos(long d){return x(d, DUA2/DUA1, MAX/(DUA2/DUA1));}
        public long toMegas(long d){return d;}
        public long toGigas(long d){return d/(DUA3/DUA2);}
        public long toTeras(long d){return d/(DUA4/DUA2);}
        public long toPetas(long d){return d/(DUA5/DUA2);}
        public long toExas(long d){return d/(DUA6/DUA2);}
        public long toZettas(long d){return d/(DUA7/DUA2);}
        public long toYottas(long d){return d/(DUA8/DUA2);}
        public long convert(long d, ByteUnit u){return u.toMegas(d);}
        public Abbrevation abbrevation() {return Abbrevation.MB;}
    },
    GIBIBYTE {
        public long toBytes(long d){return x(d, DUA3/DUA0, MAX/(DUA3/DUA0));}
        public long toKilos(long d){return x(d, DUA3/DUA1, MAX/(DUA3/DUA1));}
        public long toMegas(long d){return x(d, DUA3/DUA2, MAX/(DUA3/DUA2));}
        public long toGigas(long d){return d;}
        public long toTeras(long d){return d/(DUA4/DUA3);}
        public long toPetas(long d){return d/(DUA5/DUA3);}
        public long toExas(long d){return d/(DUA6/DUA3);}
        public long toZettas(long d){return d/(DUA7/DUA3);}
        public long toYottas(long d){return d/(DUA8/DUA3);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    },
    TEBIBYTE {
        public long toBytes(long d){return x(d, DUA4/DUA0, MAX/(DUA4/DUA0));}
        public long toKilos(long d){return x(d, DUA4/DUA1, MAX/(DUA4/DUA1));}
        public long toMegas(long d){return x(d, DUA4/DUA2, MAX/(DUA4/DUA2));}
        public long toGigas(long d){return x(d, DUA4/DUA3, MAX/(DUA4/DUA3));}
        public long toTeras(long d){return d;}
        public long toPetas(long d){return d/(DUA5/DUA4);}
        public long toExas(long d){return d/(DUA6/DUA4);}
        public long toZettas(long d){return d/(DUA7/DUA4);}
        public long toYottas(long d){return d/(DUA8/DUA4);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    } ,
    PEBIBYTE {
        public long toBytes(long d){return x(d, DUA5/DUA0, MAX/(DUA5/DUA0));}
        public long toKilos(long d){return x(d, DUA5/DUA1, MAX/(DUA5/DUA1));}
        public long toMegas(long d){return x(d, DUA5/DUA2, MAX/(DUA5/DUA2));}
        public long toGigas(long d){return x(d, DUA5/DUA3, MAX/(DUA5/DUA3));}
        public long toTeras(long d){return x(d, DUA5/DUA4, MAX/(DUA5/DUA4));}
        public long toPetas(long d){return d;}
        public long toExas(long d){return d/(DUA6/DUA5);}
        public long toZettas(long d){return d/(DUA7/DUA5);}
        public long toYottas(long d){return d/(DUA8/DUA5);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    } ,
    EXBIBYTE {
        public long toBytes(long d){return x(d, DUA6/DUA0, MAX/(DUA6/DUA0));}
        public long toKilos(long d){return x(d, DUA6/DUA1, MAX/(DUA6/DUA1));}
        public long toMegas(long d){return x(d, DUA6/DUA2, MAX/(DUA6/DUA2));}
        public long toGigas(long d){return x(d, DUA6/DUA3, MAX/(DUA6/DUA3));}
        public long toTeras(long d){return x(d, DUA6/DUA4, MAX/(DUA6/DUA4));}
        public long toPetas(long d){return x(d, DUA6/DUA5, MAX/(DUA6/DUA5));}
        public long toExas(long d){return d;}
        public long toZettas(long d){return d/(DUA7/DUA6);}
        public long toYottas(long d){return d/(DUA8/DUA6);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    } ,
    ZEBIBYTE {
        public long toBytes(long d){return x(d, DUA7/DUA0, MAX/(DUA7/DUA0));}
        public long toKilos(long d){return x(d, DUA7/DUA1, MAX/(DUA7/DUA1));}
        public long toMegas(long d){return x(d, DUA7/DUA2, MAX/(DUA7/DUA2));}
        public long toGigas(long d){return x(d, DUA7/DUA3, MAX/(DUA7/DUA3));}
        public long toTeras(long d){return x(d, DUA7/DUA4, MAX/(DUA7/DUA4));}
        public long toPetas(long d){return x(d, DUA7/DUA5, MAX/(DUA7/DUA5));}
        public long toExas(long d){return x(d, DUA7/DUA6, MAX/(DUA7/DUA6));}
        public long toZettas(long d){return d;}
        public long toYottas(long d){return d/(DUA8/DUA7);}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    } ,
    YOBIBYTE{
        public long toBytes(long d){return x(d, DUA8/DUA0, MAX/(DUA8/DUA0));}
        public long toKilos(long d){return x(d, DUA8/DUA1, MAX/(DUA8/DUA1));}
        public long toMegas(long d){return x(d, DUA8/DUA2, MAX/(DUA8/DUA2));}
        public long toGigas(long d){return x(d, DUA8/DUA3, MAX/(DUA8/DUA3));}
        public long toTeras(long d){return x(d, DUA8/DUA4, MAX/(DUA8/DUA4));}
        public long toPetas(long d){return x(d, DUA8/DUA5, MAX/(DUA8/DUA5));}
        public long toExas(long d){return x(d, DUA8/DUA6, MAX/(DUA8/DUA6));}
        public long toZettas(long d){return x(d, DUA8/DUA7, MAX/(DUA8/DUA7));}
        public long toYottas(long d){return d;}
        public long convert(long d, ByteUnit u){return u.toBytes(d);}
        public Abbrevation abbrevation() {return Abbrevation.GB;}
    };
    
    public enum Abbrevation {
        B,kB,MB,GB,TB,PB,EB,ZB,YB,KiB,MiB,GiB,TiB,PiB,EiB,ZiB,YiB
    }

    static final long DUA0 = 1L;
    static final long DUA1 = DUA0 * 1024L;
    static final long DUA2 = DUA1 * 1024L;
    static final long DUA3 = DUA2 * 1024L;
    static final long DUA4 = DUA3 * 1024L;
    static final long DUA5 = DUA4 * 1024L;
    static final long DUA6 = DUA5 * 1024L;
    static final long DUA7 = DUA6 * 1024L;
    static final long DUA8 = DUA7 * 1024L;
    
    static final long DEC0 = 1L;
    static final long DEC1 = DEC0 * 1000L;
    static final long DEC2 = DEC1 * 1000L;
    static final long DEC3 = DEC2 * 1000L;
    static final long DEC4 = DEC3 * 1000L;
    static final long DEC5 = DEC4 * 1000L;
    static final long DEC6 = DEC5 * 1000L;
    static final long DEC7 = DEC6 * 1000L;
    static final long DEC8 = DEC7 * 1000L;
    
    static final long MAX = Long.MAX_VALUE;
    static long x(long d, long m, long over) {
        if (d >  over) return Long.MAX_VALUE;
        if (d < -over) return Long.MIN_VALUE;
        return d * m;
    }
    public long convert(long sourceSize, ByteUnit sourceUnit) {
        throw new AbstractMethodError();
    }
    public long toBytes(long size) {
        throw new AbstractMethodError();
    }
    public long toKilos(long size) {
        throw new AbstractMethodError();
    }
    public long toMegas(long size) {
        throw new AbstractMethodError();
    }
    public long toGigas(long size) {
        throw new AbstractMethodError();
    }
    public long toTeras(long size) {
        throw new AbstractMethodError();
    }
    public long toPetas(long size) {
        throw new AbstractMethodError();
    }
    public long toExas(long size) {
        throw new AbstractMethodError();
    }
    public long toZettas(long size) {
        throw new AbstractMethodError();
    }
    public long toYottas(long size) {
        throw new AbstractMethodError();
    }
    public Abbrevation abbrevation(){
        throw new AbstractMethodError();
    }
}