net.sf.basedb.core
Class IntegerUtil

java.lang.Object
  net.sf.basedb.core.IntegerUtil

public class IntegerUtil
extends Object

Utility methods that will make it easier to implement data validation for integer attributes.

Version:

2.0

Author:

Nicklas, Enell

Constructor Summary

IntegerUtil()

Method Summary

static int	checkMax(int value, String name, int maxValue) Check that an integer is equal or lower than a maximum value.
static int	checkMin(int value, String name, int minValue) Check that an integer is equal or greater than a minimum value.
static int	checkMinMax(int value, String name, int minValue, int maxValue) Check that an integer is equal or between a minimum and a maximum value.
static int	getInt(Integer value) Get the value of an Integer.
static int	getInt(Integer value, int defaultValue) Get the value of an Integer.
static int	getInt(String value) Get the int value of an String.
static int	getInt(String value, int defaultValue) Get the int value of an String.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntegerUtil

public IntegerUtil()

Method Detail

getInt

public static int getInt(String value)

Get the int value of an String. If the String couldn't be parsed 0 is returned.

Parameters:

value - The Integer

Returns:

The value of the Integer or 0 if it is not parseable

getInt

public static int getInt(String value,
                         int defaultValue)

Get the int value of an String. If the String couldn't be parsed default value is returned.

Parameters:

value - The Integer

defaultValue - Default value to return if the parsing fails.

Returns:

The value of the Integer or defaultValue if it is not parseable

getInt

public static int getInt(Integer value)

Get the value of an Integer.

Parameters:

value - The Integer

Returns:

The value of the Integer or 0 if it is null

getInt

public static int getInt(Integer value,
                         int defaultValue)

Get the value of an Integer.

Parameters:

value - The Integer

defaultValue - The default value to return if the value is null

Returns:

The value of the Integer or defaultValue if it is null

checkMin

public static int checkMin(int value,
                           String name,
                           int minValue)
                    throws NumberOutOfRangeException

Check that an integer is equal or greater than a minimum value.

Parameters:

value - The value to check

name - The name of the attribute to use if an exception is thrown

minValue - The minimum allowed value

Returns:

The same value

Throws:

NumberOutOfRangeException - If the value lower than the minimum

checkMax

public static int checkMax(int value,
                           String name,
                           int maxValue)
                    throws NumberOutOfRangeException

Check that an integer is equal or lower than a maximum value.

Parameters:

value - The value to check

name - The name of the attribute to use if an exception is thrown

maxValue - The maximum allowed value

Returns:

The same value

Throws:

NumberOutOfRangeException - If the value greater than the maximum

checkMinMax

public static int checkMinMax(int value,
                              String name,
                              int minValue,
                              int maxValue)
                       throws NumberOutOfRangeException

Check that an integer is equal or between a minimum and a maximum value.

Parameters:

value - The value to check

name - The name of the attribute to use if an exception is thrown

minValue - The minimum allowed value

maxValue - The maximum allowed value

Returns:

The same value

Throws:

NumberOutOfRangeException - If the value is outside the range