# Klasse PatternOperation

java.lang.Object
org.apache.ant.props.RegexBasedEvaluator
org.apache.ant.props.stringops.PatternOperation

Alle implementierten Schnittstellen:
  `org.apache.tools.ant.PropertyHelper.Delegate, org.apache.tools.ant.PropertyHelper.PropertyEvaluator`

Bekannte direkte Unterklassen:
  `DeletePartOperation, ReplaceOperation`

public abstract class PatternOperation extends RegexBasedEvaluator
Abstract pattern-based operation.

- ## Konstruktorübersicht

  Konstruktoren
  Modifikator
  Konstruktor
  Beschreibung
  `protected`
  `PatternOperation(String regex)`
  Construct a new PatternOperation.

- ## Methodenübersicht

  Modifikator und Typ
  Methode
  Beschreibung
  `protected void`
  `convertToRegex(StringBuffer sb)`
  Convert a *nix-style pattern to a regex pattern.
  `protected void`
  `convertToRegex(StringBuffer sb, boolean greedy)`
  Convert a *nix-style pattern to a regex pattern.
  `protected org.apache.tools.ant.util.regexp.Regexp`
  `createRegexp(String pattern, org.apache.tools.ant.Project project)`
  Create an Ant Regexp object.
  `protected void`
  `deEscape(char c, StringBuffer sb)`
  De-escape a given character.
  `protected String`
  `toRegex(String pattern)`
  Convert a *nix-style pattern to a regex pattern.
  `protected String`
  `toRegex(String pattern, boolean greedy)`
  Convert a *nix-style pattern to a regex pattern.

  ### Von Klasse geerbte Methoden RegexBasedEvaluator

  `addOption, evaluate, evaluate, getPattern, getRegularExpression, setPattern`

  ### Von Klasse geerbte Methoden Object

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

- ## Konstruktordetails

  - ### PatternOperation

    protected PatternOperation(String regex)
    Construct a new PatternOperation.

- ## Methodendetails

  - ### convertToRegex

    protected void convertToRegex(StringBuffer sb)
    Convert a *nix-style pattern to a regex pattern.
    Parameter:
      `sb` - StringBuffer to convert.

  - ### convertToRegex

    protected void convertToRegex(StringBuffer sb, boolean greedy)
    Convert a *nix-style pattern to a regex pattern.
    Parameter:
      `sb` - StringBuffer to convert.
      `greedy` - whether to be greedy.

  - ### toRegex

    protected String toRegex(String pattern)
    Convert a *nix-style pattern to a regex pattern.
    Parameter:
      `pattern` - the *nix-style pattern.
    Gibt zurück:
      String regex pattern.

  - ### toRegex

    protected String toRegex(String pattern, boolean greedy)
    Convert a *nix-style pattern to a regex pattern.
    Parameter:
      `pattern` - the *nix-style pattern.
      `greedy` - whether to be greedy.
    Gibt zurück:
      String regex pattern.

  - ### createRegexp

    protected org.apache.tools.ant.util.regexp.Regexp createRegexp(String pattern, org.apache.tools.ant.Project project)
    Create an Ant Regexp object.
    Parameter:
      `pattern` - the regex pattern to use.
      `project` - the associated Project instance.
    Gibt zurück:
      Regexp

  - ### deEscape

    protected void deEscape(char c, StringBuffer sb)
    De-escape a given character.
    Parameter:
      `c` - the character to "unmask".
      `sb` - the target StringBuffer.