org.apache.tools.ant.util.regexp

Class RegexpMatcherFactory

public class RegexpMatcherFactory extends Object

Simple Factory Class that produces an implementation of RegexpMatcher based on the system property ant.regexp.regexpimpl and the classes available.

In a more general framework this class would be abstract and have a static newInstance method.

Constructor Summary
	RegexpMatcherFactory() Constructor for RegexpMatcherFactory.

Method Summary
protected RegexpMatcher	createInstance(String className) Create an instance of a matcher from a classname.
RegexpMatcher	newRegexpMatcher() Create a new regular expression instance.
RegexpMatcher	newRegexpMatcher(Project p) Create a new regular expression instance.
static boolean	regexpMatcherPresent(Project project) Checks if a RegExp-Matcher is available.
protected void	testAvailability(String className) Test if a particular class is available to be used.

Constructor Detail

RegexpMatcherFactory

public RegexpMatcherFactory()

Constructor for RegexpMatcherFactory.

Method Detail

createInstance

protected RegexpMatcher createInstance(String className)

Create an instance of a matcher from a classname.

Parameters: className a String value

Returns: a RegexpMatcher value

Throws: BuildException if an error occurs

newRegexpMatcher

public RegexpMatcher newRegexpMatcher()

Create a new regular expression instance.

Returns: the matcher

Throws: BuildException on error

newRegexpMatcher

public RegexpMatcher newRegexpMatcher(Project p)

Create a new regular expression instance.

Parameters: p Project whose ant.regexp.regexpimpl property will be used.

Returns: the matcher

Throws: BuildException on error

regexpMatcherPresent

public static boolean regexpMatcherPresent(Project project)

Checks if a RegExp-Matcher is available.

Parameters: project The project to check for (may be null)

Returns: true if available otherwise false

testAvailability

protected void testAvailability(String className)

Test if a particular class is available to be used.

Parameters: className a String value

Throws: BuildException if an error occurs