Java Integer Create toInteger(Object value)

Description

Convert an Object to an Integer.

License

Apache License

Declaration

public static Integer toInteger(Object value) 

Method Source Code

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

public class Main {
    /**/* w  w  w. j a v  a  2 s.  c  o  m*/
     * Convert an Object to an Integer.
     */
    public static Integer toInteger(Object value) {
        if (value == null)
            return null;
        if (value instanceof Integer)
            return (Integer) value;
        if (value instanceof String) {
            if ("".equals((String) value))
                return null;
            return new Integer((String) value);
        }

        if (value instanceof Number)
            return new Integer(((Number) value).intValue());

        return new Integer(value.toString());
    }

    /**
     * Convert an Object to an int, or 0 if it is null.
     */
    public static int intValue(Object value) {
        if (value == null)
            return 0;
        return toInteger(value).intValue();
    }
}

Related

1. toInteger(Object val)
2. toInteger(Object val)
3. toInteger(Object value)
4. toInteger(Object value)
5. toInteger(Object value)
6. toInteger(Object value)
7. toInteger(Object value)
8. toInteger(Object value)
9. toInteger(Object value, int defaultValue)