ELNode (Apache Tomcat 9.0.111 API Documentation)
Description: declaration: package: org.apache.jasper.compiler, class: ELNode

# Class ELNode

java.lang.Object
org.apache.jasper.compiler.ELNode

Direct Known Subclasses:
  `ELNode.ELText, ELNode.Function, ELNode.Root, ELNode.Text`

public abstract class ELNode extends Object
This class defines internal representation for an EL Expression. It currently only defines functions. It can be expanded to define all the components of an EL expression, if need to.

- ## Nested Class Summary

  Nested Classes
  Modifier and Type
  Class
  Description
  `static class`
  `ELNode.ELText`
  Represents anything in EL expression, other than functions, including function arguments etc.
  `static class`
  `ELNode.Function`
  Represents a function.
  `static class`
  `ELNode.Nodes`
  An ordered list of ELNode.
  `static class`
  `ELNode.Root`
  Represents an EL expression: anything in ${ and }.
  `static class`
  `ELNode.Text`
  Represents text outside of EL expression.
  `static class`
  `ELNode.Visitor`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ELNode()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `abstract void`
  `accept(ELNode.Visitor v)`

  ### Methods inherited from class Object

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

- ## Constructor Details

  - ### ELNode

    public ELNode()

- ## Method Details

  - ### accept

    public abstract void accept(ELNode.Visitor v) throws JasperException
    Throws:
      `JasperException`