com.opensymphony.xwork2.util

## Interface PatternMatcher<E>

- All Known Implementing Classes:
    NamedVariablePatternMatcher, RegexPatternMatcher, WildcardHelper

      public interface PatternMatcher<E>

  Compiles and matches a pattern against a value
  Since:
    2.1

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `E` | `compilePattern(String data)` Translate the given `String` into an object representing the pattern matchable by this class.
    `boolean` | `isLiteral(String pattern)` Determines if the pattern is a simple literal string or contains wildcards that will need to be processed
    `boolean` | `match(Map<String,String> map, String data, E expr)` Match a pattern against a string

- - ### Method Detail

    - #### isLiteral

          boolean isLiteral(String pattern)

      Determines if the pattern is a simple literal string or contains wildcards that will need to be processed
      Parameters:
        `pattern` - The string pattern
      Returns:
        True if the pattern doesn't contain processing elements, false otherwise

    - #### compilePattern

          E compilePattern(String data)

      Translate the given `String` into an object representing the pattern matchable by this class.

      Parameters:
        `data` - The string to translate.
      Returns:
        The encoded string
      Throws:
        `NullPointerException` - If data is null.

    - #### match

          boolean match(Map<String,String> map,
                      String data,
                      E expr)

      Match a pattern against a string
      Parameters:
        `map` - The map to store matched values
        `data` - The string to match
        `expr` - The compiled wildcard expression
      Returns:
        True if a match
      Throws:
        `NullPointerException` - If any parameters are null

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