org.apache.tools.ant.util

Class DeweyDecimal

java.lang.Object

org.apache.tools.ant.util.DeweyDecimal

All Implemented Interfaces:

java.lang.Comparable<DeweyDecimal>

Direct Known Subclasses:

DeweyDecimal

public class DeweyDecimal
extends java.lang.Object
implements java.lang.Comparable<DeweyDecimal>

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

Constructors

Constructor and Description
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

Modifier and Type	Method and Description
int	compareTo(DeweyDecimal other) Compares this DeweyDecimal with another one.
boolean	equals(java.lang.Object o)
int	get(int index) Return the component at specified index.
int	getSize() Return number of components in DeweyDecimal.
int	hashCode()
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, finalize, getClass, 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.

compareTo

public int compareTo(DeweyDecimal other)

Compares this DeweyDecimal with another one.

Specified by:

compareTo in interface java.lang.Comparable<DeweyDecimal>

Parameters:

other - another DeweyDecimal to compare with

Returns:

result

See Also:

Comparable.compareTo(Object)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object