org.apache.ivy.plugins.matcher
Class AbstractPatternMatcher

java.lang.Object
  extended by 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
AbstractPatternMatcher(java.lang.String name)
          Create a new instance of a pattern matcher
 
Method Summary
 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