Package classycle.util

Class WildCardPattern

java.lang.Object
classycle.util.WildCardPattern
All Implemented Interfaces:
StringPattern
public class WildCardPattern extends Object implements StringPattern
Wildcard string pattern matching class. Only '*' is interpreted as wild card meaning the occurance of any number of arbitray characters.

This is a thread-safe immutable class.

Example: The code snippet 


   StringPattern pattern = new WildCardPattern("Hello*");
   System.out.println(pattern.matches("Hello world!"));
   System.out.println(pattern.matches("Hi Jim!"));
will produce the output 

 true
 false
Author:
Franz-Josef Elmer

  • Constructor Details

    • WildCardPattern

      public WildCardPattern(String pattern)
      Creates an instance based on the specified pattern.
      Parameters:
      pattern - Pattern which may contain '*' wildcard characters. Must be not null.

  • Method Details

    • createFromsPatterns

      public static StringPattern createFromsPatterns(String patterns, String delimiters)
      Returns a StringPattern object based on a sequences of wild-card patterns separated by the specified delimiter characters. The return object matches a string if at least one of the wild-card pattern matches.
      Parameters:
      patterns - Wild-card patterns separated by delimiters defined in delimiters. The actual pattern will be trimmed. That is, leading and trailing white-space characters are removed.
      delimiters - Recognized delimiters.

    • toString

      public String toString()
      Returns the pattern as delivered to the constructor.
      Overrides:
      toString in class Object

    • matches

      public boolean matches(String string)
      Description copied from interface: StringPattern
      Returns true if the specified string matches the pattern.
      Specified by:
      matches in interface StringPattern
      Parameters:
      string - String to be matched. Can be null.
      Returns:
      false if string == null.