org.apache.tools.ant.taskdefs.optional.extension
Class DeweyDecimal

java.lang.Object
  |
  +--org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal

public final class DeweyDecimal
extends java.lang.Object

Utility class to contain version numbers in "Dewey Decimal" syntax. Numbers in the "Dewey Decimal" syntax consist of positive decimal integers separated by periods ".". For example, "2.0" or "1.2.3.4.5.6.7". This allows an extensible number to be used to represent major, minor, micro, etc versions. The version number must begin with a number.


Constructor Summary
DeweyDecimal(int[] components)
          Construct a DeweyDecimal from an array of integer components.
DeweyDecimal(java.lang.String string)
          Construct a DeweyDecimal from string in DeweyDecimal format.
 
Method Summary
 int get(int index)
          Return the component at specified index.
 int getSize()
          Return number of components in DeweyDecimal.
 boolean isEqual(DeweyDecimal other)
          Return true if this DeweyDecimal is equal to the other DeweyDecimal.
 boolean isGreaterThan(DeweyDecimal other)
          Return true if this DeweyDecimal is greater than the other DeweyDecimal.
 boolean isGreaterThanOrEqual(DeweyDecimal other)
          Return true if this DeweyDecimal is greater than or equal to the other DeweyDecimal.
 boolean isLessThan(DeweyDecimal other)
          Return true if this DeweyDecimal is less than the other DeweyDecimal.
 boolean isLessThanOrEqual(DeweyDecimal other)
          Return true if this DeweyDecimal is less than or equal to the other DeweyDecimal.
 java.lang.String toString()
          Return string representation of DeweyDecimal.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

DeweyDecimal

public DeweyDecimal(int[] components)
Construct a DeweyDecimal from an array of integer components.

Parameters:
components - an array of integer components.

DeweyDecimal

public DeweyDecimal(java.lang.String string)
             throws java.lang.NumberFormatException
Construct a DeweyDecimal from string in DeweyDecimal format.

Parameters:
string - the string in dewey decimal format
Throws:
java.lang.NumberFormatException - if string is malformed
Method Detail

getSize

public int getSize()
Return number of components in DeweyDecimal.

Returns:
the number of components in dewey decimal

get

public int get(int index)
Return the component at specified index.

Parameters:
index - the index of components
Returns:
the value of component at index

isEqual

public boolean isEqual(DeweyDecimal other)
Return true if this DeweyDecimal is equal to the other DeweyDecimal.

Parameters:
other - the other DeweyDecimal
Returns:
true if equal to other DeweyDecimal, false otherwise

isLessThan

public boolean isLessThan(DeweyDecimal other)
Return true if this DeweyDecimal is less than the other DeweyDecimal.

Parameters:
other - the other DeweyDecimal
Returns:
true if less than other DeweyDecimal, false otherwise

isLessThanOrEqual

public boolean isLessThanOrEqual(DeweyDecimal other)
Return true if this DeweyDecimal is less than or equal to the other DeweyDecimal.

Parameters:
other - the other DeweyDecimal
Returns:
true if less than or equal to other DeweyDecimal, false otherwise

isGreaterThan

public boolean isGreaterThan(DeweyDecimal other)
Return true if this DeweyDecimal is greater than the other DeweyDecimal.

Parameters:
other - the other DeweyDecimal
Returns:
true if greater than other DeweyDecimal, false otherwise

isGreaterThanOrEqual

public boolean isGreaterThanOrEqual(DeweyDecimal other)
Return true if this DeweyDecimal is greater than or equal to the other DeweyDecimal.

Parameters:
other - the other DeweyDecimal
Returns:
true if greater than or equal to other DeweyDecimal, false otherwise

toString

public java.lang.String toString()
Return string representation of DeweyDecimal.

Overrides:
toString in class java.lang.Object
Returns:
the string representation of DeweyDecimal.


Copyright 2000-2005 Apache Software Foundation. All Rights Reserved.