Package org.apache.el.lang

Class FunctionMapperImpl

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable
    public class FunctionMapperImpl
extends FunctionMapper
implements java.io.Externalizable
    Thread-safe implementation of FunctionMapper that supports externalization.
    See Also:
    Serialized Form

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  FunctionMapperImpl.Function
      Represents a mapped EL function with serialization support.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.concurrent.ConcurrentMap<java.lang.String,​FunctionMapperImpl.Function> functions
      Map of function keys to their Function instances.

    • Constructor Summary

      Constructors 
      Constructor Description
      FunctionMapperImpl()
      Creates a new empty function mapper.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void mapFunction​(java.lang.String prefix, java.lang.String localName, java.lang.reflect.Method m)
      Map a method to a function name.
      void readExternal​(java.io.ObjectInput in)  
      java.lang.reflect.Method resolveFunction​(java.lang.String prefix, java.lang.String localName)
      Resolves a function reference to its corresponding static Method.
      void writeExternal​(java.io.ObjectOutput out)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • functions

        protected java.util.concurrent.ConcurrentMap<java.lang.String,​FunctionMapperImpl.Function> functions
        Map of function keys to their Function instances.

    • Constructor Detail

      • FunctionMapperImpl

        public FunctionMapperImpl()
        Creates a new empty function mapper.

    • Method Detail

      • resolveFunction

        public java.lang.reflect.Method resolveFunction​(java.lang.String prefix,
                                                java.lang.String localName)
        Description copied from class: jakarta.el.FunctionMapper
        Resolves a function reference to its corresponding static Method.
        Specified by:
        resolveFunction in class FunctionMapper
        Parameters:
        prefix - the namespace prefix of the function
        localName - the local name of the function
        Returns:
        the Method object for the resolved function, or null if not found

      • mapFunction

        public void mapFunction​(java.lang.String prefix,
                        java.lang.String localName,
                        java.lang.reflect.Method m)
        Description copied from class: jakarta.el.FunctionMapper
        Map a method to a function name.
        Overrides:
        mapFunction in class FunctionMapper
        Parameters:
        prefix - Function prefix
        localName - Function name
        m - Method

      • writeExternal

        public void writeExternal​(java.io.ObjectOutput out)
                   throws java.io.IOException
        Specified by:
        writeExternal in interface java.io.Externalizable
        Throws:
        java.io.IOException

      • readExternal

        public void readExternal​(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException
        Specified by:
        readExternal in interface java.io.Externalizable
        Throws:
        java.io.IOException
        java.lang.ClassNotFoundException