Class NoMatcher

  • All Implemented Interfaces:
    Matcher

    public final class NoMatcher
    extends java.lang.Object
    implements Matcher
    A matcher that matches nothing.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static Matcher INSTANCE  
    • Constructor Summary

      Constructors 
      Constructor Description
      NoMatcher()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean isExact()
      Return if the matcher will match *only* if the expression equals the input.
      boolean matches​(java.lang.String input)
      Check whether a given string is matched by this matcher.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • INSTANCE

        public static final Matcher INSTANCE
    • Constructor Detail

      • NoMatcher

        public NoMatcher()
    • Method Detail

      • matches

        public boolean matches​(java.lang.String input)
        Description copied from interface: Matcher
        Check whether a given string is matched by this matcher.
        Specified by:
        matches in interface Matcher
        Parameters:
        input - the string to be matched. Cannot be null.
        Returns:
        true if the input string is matched, false otherwise.
      • isExact

        public boolean isExact()
        Description copied from interface: Matcher
        Return if the matcher will match *only* if the expression equals the input. WARN: This is used only as a performance trick, to avoid scanning for things when you already know exactly what you want. In the install task where it used it avoid scanning the repository to list all modules to find that only one matches, and that it has the name requested.
        Specified by:
        isExact in interface Matcher
        Returns:
        true if the matcher only matches when the expression is equals to the input, false otherwise.