org.datanucleus.util

Class RegularExpressionConverter

java.lang.Object

org.datanucleus.util.RegularExpressionConverter

public class RegularExpressionConverter
extends Object

Converter for a "matches" regular expression replacing the Java regular expression constructs with datastore-specific constructs.

Constructor Summary

Constructors

Constructor and Description
RegularExpressionConverter(char zeroOrMoreChar, char anyChar, char escapeChar) Constructor.

Method Summary

Modifier and Type	Method and Description
String	convert(String input) Convert a regular expression from Java to use the specified constructs.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegularExpressionConverter

public RegularExpressionConverter(char zeroOrMoreChar,
                                  char anyChar,
                                  char escapeChar)

Constructor.

Parameters:

zeroOrMoreChar - The pattern string for representing zero or more characters. Most of databases will use the percent sign character.

anyChar - The pattern string for representing one character. Most of databases will use the underscore character.

escapeChar - The pattern string for representing to escape zeroOrMoreChar or anyChar. Most of databases will use the backslash \ character.

Method Detail

convert

public String convert(String input)

Convert a regular expression from Java to use the specified constructs.

Parameters:

input - the pattern to parse.

Returns:

the converted pattern