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## 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.

Version:
  $Revision: 1.4.2.4 $ $Date: 2004/03/09 17:01:45 $

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.

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