org.apache.tapestry.util
Class RegexpMatcher

java.lang.Object
  org.apache.tapestry.util.RegexpMatcher

public class RegexpMatcher
extends Object

Streamlines the interface to ORO by implicitly constructing the necessary compilers and matchers, and by caching compiled patterns.

Constructor Summary

RegexpMatcher()

Method Summary

void	clear() Clears any previously compiled patterns.
boolean	contains(String pattern, String input)
String	getEscapedPatternString(String pattern)
RegexpMatch[]	getMatches(String pattern, String input) Given an input string, finds all matches in an input string for the pattern.
String[]	getMatches(String pattern, String input, int subgroup) Given an input string, finds all matches in an input string for the pattern.
boolean	matches(String pattern, String input)

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexpMatcher

public RegexpMatcher()

Method Detail

clear

public void clear()

Clears any previously compiled patterns.

matches

public boolean matches(String pattern,
                       String input)

contains

public boolean contains(String pattern,
                        String input)

getEscapedPatternString

public String getEscapedPatternString(String pattern)

getMatches

public RegexpMatch[] getMatches(String pattern,
                                String input)

Given an input string, finds all matches in an input string for the pattern.

Parameters:

pattern - the regexp pattern for matching

input - the string to search for matches within

Returns:

array (possibly empty) of matches

Since:

4.0

getMatches

public String[] getMatches(String pattern,
                           String input,
                           int subgroup)

Given an input string, finds all matches in an input string for the pattern.

Parameters:

pattern - the regexp pattern for matching

input - the string to search for matches within

subgroup - the group (sub-expression) within the pattern to return as a match

Returns:

array (possibly empty) of matching strings