cz.ues.core.commons.test.compare

Class TextOracleComparator

java.lang.Object

cz.ues.core.commons.test.compare.TextOracleComparator

All Implemented Interfaces:

java.util.Comparator<java.lang.String>

public class TextOracleComparator
extends java.lang.Object
implements java.util.Comparator<java.lang.String>

Constructor Summary

Constructors

Constructor and Description
TextOracleComparator()

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(java.lang.String first, java.lang.String second) Compares text as oracle database (nls_sort=punctuation, nls_comparison=binary) by select with clause 'order by'.
private int	compareAsDatabase(java.lang.String a, java.lang.String b) Compares texts as database.
private char	getChar(java.lang.String s, int i) Gets character of the text at the specified position.
private boolean	isLower(char c) Checks if letter is lower case.
private java.lang.String	prepareTextForFirstLevel(java.lang.String s) Prepares text for the first level comparing.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

TextOracleComparator

public TextOracleComparator()

Method Detail

compare

public int compare(java.lang.String first,
java.lang.String second)

Compares text as oracle database (nls_sort=punctuation, nls_comparison=binary) by select with clause 'order by'.

Specified by:

compare in interface java.util.Comparator<java.lang.String>

Parameters:

first - the first text

second - the second text

Returns:

• 0 if the texts are same
• -1 if the first text is lesser than second
• +1 if the first text is greater than second

Since:

UES7-04

prepareTextForFirstLevel

private java.lang.String prepareTextForFirstLevel(java.lang.String s)

Prepares text for the first level comparing.

Parameters:

s - text

Returns:

prepared text for the first level comparing

Since:

UES7-04

compareAsDatabase

private int compareAsDatabase(java.lang.String a,
java.lang.String b)

Compares texts as database.

Parameters:

a - the first text

b - the second text

Returns:

• 0 if the texts are same
• -1 if the first text is lesser than second
• +1 if the first text is greater than second

Since:

UES7-04

getChar

private char getChar(java.lang.String s,
int i)

Gets character of the text at the specified position.

Parameters:

s - text

i - position

Returns:

character at the specified postion

Since:

UES7-04

isLower

private boolean isLower(char c)

Checks if letter is lower case.

Parameters:

c - character

Returns:

true if the character is letter and is lower case (or if the character is not letter), otherwise false

Since:

UES7-04