Java Long Number Create toLong(Object obj)

Description

to Long

License

Open Source License

Declaration

public static long toLong(Object obj) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static long toLong(Object obj) {
        return toLong(obj, 0L);
    }//w  ww .j  ava 2  s .c  o m

    public static long toLong(Object obj, long defaultValue) {
        if (obj == null) {
            return defaultValue;
        }

        if (obj instanceof Number) {
            Number number = (Number) obj;
            return number.longValue();
        }
        String value = toString(obj);
        try {
            return Long.parseLong(value);
        } catch (Exception e) {
        }
        return defaultValue;
    }

    public static String toString(Object value) {
        if (value == null) {
            return "";
        }
        return value.toString().trim();
    }
}

Related

1. toLong(Object obj)
2. toLong(Object obj)
3. toLong(Object obj)
4. toLong(Object obj)
5. toLong(Object obj)
6. toLong(Object obj, String pattern)
7. toLong(Object object)
8. toLong(Object object)
9. toLong(Object object)