Package org.apache.catalina.valves.rewrite

Class RandomizedTextRewriteMap

  • All Implemented Interfaces:
    RewriteMap
    public class RandomizedTextRewriteMap
extends java.lang.Object
implements RewriteMap
    Implement a map for the txt: and rnd: mod_rewrite capabilities.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static StringManager sm
      StringManager for this package.

    • Constructor Summary

      Constructors 
      Constructor Description
      RandomizedTextRewriteMap​(java.lang.String txtFilePath, boolean useRandom)
      Create a map from a text file according to the mod_rewrite syntax.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String lookup​(java.lang.String key)
      Looks up a key in the map and returns the mapped value.
      java.lang.String setParameters​(java.lang.String params)
      Sets optional parameters for the map.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • sm

        protected static final StringManager sm
        StringManager for this package.

    • Constructor Detail

      • RandomizedTextRewriteMap

        public RandomizedTextRewriteMap​(java.lang.String txtFilePath,
                                boolean useRandom)
        Create a map from a text file according to the mod_rewrite syntax.
        Parameters:
        txtFilePath - the text file path
        useRandom - if the map should produce random results

    • Method Detail

      • setParameters

        public java.lang.String setParameters​(java.lang.String params)
        Sets optional parameters for the map. This implementation does not support additional parameters and always throws an exception.
        Specified by:
        setParameters in interface RewriteMap
        Parameters:
        params - the optional parameter
        Returns:
        never returns, always throws IllegalArgumentException

      • lookup

        public java.lang.String lookup​(java.lang.String key)
        Looks up a key in the map and returns the mapped value. If the map was created with random mode enabled and the value contains multiple options separated by '|', a random option is returned.
        Specified by:
        lookup in interface RewriteMap
        Parameters:
        key - the key to look up
        Returns:
        the mapped value or null if the key is not found