org.apache.ivy.plugins.matcher

## Class AbstractPatternMatcher

- java.lang.Object
- - org.apache.ivy.plugins.matcher.AbstractPatternMatcher

- All Implemented Interfaces:
    PatternMatcher
  Direct Known Subclasses:
    ExactOrRegexpPatternMatcher, ExactPatternMatcher, GlobPatternMatcher, RegexpPatternMatcher

      public abstract class AbstractPatternMatcher
      extends java.lang.Object
      implements PatternMatcher

  An abstract implementation of the pattern matcher providing base template methods

- - ### Field Summary

    - ### Fields inherited from interface org.apache.ivy.plugins.matcher.PatternMatcher

      `ANY_EXPRESSION, EXACT, EXACT_OR_REGEXP, GLOB, REGEXP`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractPatternMatcher(java.lang.String name)` Create a new instance of a pattern matcher

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `Matcher` | `getMatcher(java.lang.String expression)` Return the matcher for the given expression.
    `java.lang.String` | `getName()` return the name of this pattern matcher
    `protected abstract Matcher` | `newMatcher(java.lang.String expression)` Returns an instance of the implementation specific matcher.
    `java.lang.String` | `toString()`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### AbstractPatternMatcher

          public AbstractPatternMatcher(java.lang.String name)

      Create a new instance of a pattern matcher
      Parameters:
        `name` - the name of the pattern matcher. Never null.

  - ### Method Detail

    - #### getMatcher

          public Matcher getMatcher(java.lang.String expression)

      Description copied from interface: `PatternMatcher`
      Return the matcher for the given expression.
      Specified by:
        `getMatcher` in interface `PatternMatcher`
      Parameters:
        `expression` - the expression to be matched. Cannot be null ?
      Returns:
        the matcher instance for the given expression. Never null.

    - #### getName

          public java.lang.String getName()

      Description copied from interface: `PatternMatcher`
      return the name of this pattern matcher
      Specified by:
        `getName` in interface `PatternMatcher`
      Returns:
        the name of this pattern matcher. Never null.
      See Also:
        `PatternMatcher.EXACT`, `PatternMatcher.REGEXP`, `PatternMatcher.GLOB`, `PatternMatcher.EXACT_OR_REGEXP`

    - #### newMatcher

          protected abstract Matcher newMatcher(java.lang.String expression)

      Returns an instance of the implementation specific matcher.
      Parameters:
        `expression` - the string to be matched.
      Returns:
        the instance of the related matcher. Never null.

    - #### toString

          public java.lang.String toString()

      Overrides:
        `toString` in class `java.lang.Object`