Java Object to Long castToLong(Object value)

Description

cast To Long

License

Apache License

Declaration

public static final Long castToLong(Object value) 

Method Source Code

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

public class Main {
    public static final Long castToLong(Object value) {
        if (value == null) {
            return null;
        }/*w  w  w . j a  v a2  s .  c om*/

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

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

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

            return Long.parseLong(strVal);
        }
        throw new NumberFormatException("can not cast to long, value : " + value);
    }
}

Related

1. castLong(Object val)
2. castLong2Int(long x)
3. castLongtoUInt(long x)
4. castToLong(final String uid)
5. castToLong(Object object)
6. castToLong(Object value)
7. castToLongArray(Object[] array)
8. objectToLong(Object obj)
9. objectToPostiveLong(Object object)