Package org.apache.tools.ant.util.regexp

Class RegexpMatcherFactory

java.lang.Object
org.apache.tools.ant.util.regexp.RegexpMatcherFactory
Direct Known Subclasses:
RegexpFactory
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 Details

    • RegexpMatcherFactory

      public RegexpMatcherFactory()

  • Method Details

    • newRegexpMatcher

      public RegexpMatcher newRegexpMatcher() throws BuildException
      Create a new regular expression instance.
      Returns:
      the matcher
      Throws:
      BuildException - on error

    • newRegexpMatcher

      public RegexpMatcher newRegexpMatcher(Project p) throws BuildException
      Create a new regular expression instance.
      Parameters:
      p - Project whose ant.regexp.regexpimpl property will be used.
      Returns:
      the matcher
      Throws:
      BuildException - on error

    • createInstance

      protected RegexpMatcher createInstance(String className) throws BuildException
      Create an instance of a matcher from a classname.
      Parameters:
      className - a String value
      Returns:
      a RegexpMatcher value
      Throws:
      BuildException - if an error occurs

    • testAvailability

      protected void testAvailability(String className) throws BuildException
      Test if a particular class is available to be used.
      Parameters:
      className - a String value
      Throws:
      BuildException - if an error occurs

    • 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