Java Object to Byte castToByte(Object value)

Description

cast To Byte

License

Apache License

Declaration

public static final Byte castToByte(Object value) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static final Byte castToByte(Object value) {
        if (value == null) {
            return null;
        }/*ww  w .  j a  v a2s .  co m*/

        if (value instanceof Number) {
            return ((Number) value).byteValue();
        }

        if (value instanceof String) {
            String strVal = (String) value;
            if (strVal.length() == 0) {
                return null;
            }

            if ("null".equals(strVal) || "NULL".equals(strVal)) {
                return null;
            }

            if (strVal.trim().length() == 0) {
                return null;
            }

            return Byte.parseByte(strVal);
        }

        throw new NumberFormatException("can not cast to byte, value : " + value);
    }
}

Related

1. castByte(Object o)
2. castBytes(Object o)
3. castToByte(Object val)
4. castToByte(Object value)