# Class InternalRewriteMap

java.lang.Object
org.apache.catalina.valves.rewrite.InternalRewriteMap

public class InternalRewriteMap extends Object
Utility class providing built-in rewrite map implementations.

- ## Nested Class Summary

  Nested Classes
  Modifier and Type
  Class
  Description
  `static class`
  `InternalRewriteMap.Escape`
  RewriteMap that URL-encodes strings.
  `static class`
  `InternalRewriteMap.LowerCase`
  RewriteMap that converts strings to lower case.
  `static class`
  `InternalRewriteMap.Unescape`
  RewriteMap that URL-decodes strings.
  `static class`
  `InternalRewriteMap.UpperCase`
  RewriteMap that converts strings to upper case.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static RewriteMap`
  `toMap(String name)`
  Get a built-in RewriteMap by name.

  ### Methods inherited from class Object

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

- ## Method Details

  - ### toMap

    public static RewriteMap toMap(String name)
    Get a built-in RewriteMap by name.
    Parameters:
      `name` - the map name (toupper, tolower, escape, unescape)
    Returns:
      the RewriteMap implementation, or `null` if not found