Module org.apache.jena.arq

Package org.apache.jena.sparql.expr

Class RegexEngine

java.lang.Object

org.apache.jena.sparql.expr.RegexEngine

Direct Known Subclasses:

RegexEngine.RegexJava, RegexEngine.RegexXerces

public abstract class RegexEngine
extends Object

Encapsulate a specific regular expression systems.

The two provided are the regular expression implement in Apache Xerces (2.11.0) and the JDK java.util.regex.

By default java.util.regex is used. It does not support the "x" flag.

The default is set by symbol ARQ.regexImpl (comand line arq:regexImpl) to either "javaRegex" or "xercesRegex".

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	RegexEngine.RegexImpl
static class	RegexEngine.RegexJava
static class	RegexEngine.RegexXerces

Constructor Summary

Constructors

Constructor	Description
RegexEngine()

Method Summary

Modifier and Type	Method	Description
static RegexEngine	create(String pattern, String flags)
static int	makeMask(String modifiers)
static Pattern	makePattern(String label, String patternStr, String flags)
abstract boolean	match(String string)
static void	setRegexImpl(RegexEngine.RegexImpl valRegexImpl)	For testing

Methods inherited from class java.lang.Object

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

Constructor Details

RegexEngine

public RegexEngine()

Method Details

match

public abstract boolean match(String string)

setRegexImpl

public static void setRegexImpl(RegexEngine.RegexImpl valRegexImpl)

For testing

makePattern

public static Pattern makePattern(String label,
 String patternStr,
 String flags)

makeMask

public static int makeMask(String modifiers)

create

public static RegexEngine create(String pattern,
 String flags)