Package 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

    Constructors
    Constructor Description
    IntegerUtil()  

  • Method Summary

    Modifier and Type Method Description
    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 Details

    • IntegerUtil

      public IntegerUtil()

  • Method Details

    • 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