jade.core

Class CaseInsensitiveString

java.lang.Object

jade.core.CaseInsensitiveString

All Implemented Interfaces:

Serializable

public class CaseInsensitiveString
extends Object
implements Serializable

A name string, with case insensitive comparison and equality operations. This class holds a String inside, preserving the case; however, all the equality and comparision operations are performed in a case insensitive fashion.

Version:

0.9 Updated 1/06/2001 12:50 by Dmitri Toropov - Siemens AG

Author:

Giovanni Rimassa - Universita' di Parma

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private int	hashCode
private String	s

Constructor Summary

Constructors

Constructor and Description
CaseInsensitiveString(String name) Create a new CaseInsensitiveString object.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o) Equality operation.
static boolean	equalsIgnoreCase(String s1, String s2) Static method for case insensitive string comparasion.
int	hashCode() Hash code.
String	toString() Converts the CaseInsensitiveString object into a string.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

s

private final String s

hashCode

private final int hashCode

Constructor Detail

CaseInsensitiveString

public CaseInsensitiveString(String name)

Create a new CaseInsensitiveString object.

Parameters:

name - The string that will be kept inside this object.

Method Detail

toString

public final String toString()

Converts the CaseInsensitiveString object into a string.

Overrides:

toString in class Object

Returns:

The string stored inside by the constructor.

equals

public final boolean equals(Object o)

Equality operation. This method compares a CaseInsensitiveString object with another or with a Java String. The comparison is case insensitive.

Overrides:

equals in class Object

Parameters:

o - The Java object to compare this CaseInsensitiveString to.

Returns:

true if the strings contained within the two objects are equal, apart from case.

hashCode

public final int hashCode()

Hash code. This method returns an hash code in such a way that two CaseInsensitiveString objects differing only in case have the same hash code.

Overrides:

hashCode in class Object

Returns:

The hash code for this CaseInsensitiveString object.

equalsIgnoreCase

public static final boolean equalsIgnoreCase(String s1,
                                             String s2)

Static method for case insensitive string comparasion. For comparasion used the regionMatches approach which doesn't allocate any additional memory.

Parameters:

s1, - s2 The String objects to compare

Returns:

true if the strings are equal, apart from case.