org.deegree.sqldialect.filter.islike
Class IsLikeString

java.lang.Object
  org.deegree.sqldialect.filter.islike.IsLikeString

public class IsLikeString
extends Object

Used for an escape-free representation of a literal from a PropertyIsLike operation.

May contain special symbols (wildCard, singleChar, escape) as a list of its parts (IsLikeStringPart).

Version:

$Revision: 22060 $, $Date: 2010-01-20 17:59:52 +0100 (Mi, 20. Jan 2010) $

Author:

Markus Schneider , last edited by: $Author: mschneider $

Constructor Summary

IsLikeString(String encodedString, String wildCard, String singleChar, String escape)
Constructs a new SpecialCharString instance from the given parameters.

Method Summary

String	toSQL() Returns an encoding that is suitable for arguments of "IS LIKE"-clauses in SQL.
String	toSQL(boolean toLowerCase) Returns an encoding that is suitable for arguments of "IS LIKE"-clauses in SQL.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

IsLikeString

public IsLikeString(String encodedString,
                    String wildCard,
                    String singleChar,
                    String escape)
             throws FilterEvaluationException

Constructs a new SpecialCharString instance from the given parameters.

Parameters:

encodedString -

wildCard - must be exacly one character

singleChar - must be exacly one character

escape - must be exacly one character

Throws:

FilterEvaluationException - if wildCard, singleChar or escapeChar are not exactly one character

Method Detail

toSQL

public String toSQL()

Returns an encoding that is suitable for arguments of "IS LIKE"-clauses in SQL.

This means:

• wildCard: encoded as the '%'-character
• singleChar: encoded as the '_'-character
• escape: encoded as the '\'-character

Returns:

encoded string

toSQL

public String toSQL(boolean toLowerCase)

Returns an encoding that is suitable for arguments of "IS LIKE"-clauses in SQL.

This means:

• wildCard: encoded as the '%'-character
• singleChar: encoded as the '_'-character
• escape: encoded as the '\'-character

Parameters:

toLowerCase - true means: convert to lowercase letters

Returns:

encoded string

toString

public String toString()

Overrides:

toString in class Object