ExpressionParseTree (Payara Project 6.2022.1.Alpha3 API)

java.lang.Object
- org.apache.catalina.ssi.ExpressionParseTree

```
public class ExpressionParseTree
extends Object
```
Represents a parsed expression.

Version:

$Revision: 1.2 $

Author:

Paul Speed

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ExpressionParseTree(String expr, SSIMediator ssiMediator)
  Creates a new parse tree for the specified expression.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean evaluateTree()
  Evaluates the tree and returns true or false.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpressionParseTree
```
public ExpressionParseTree(String expr,
                           SSIMediator ssiMediator)
                    throws ParseException
```
    Creates a new parse tree for the specified expression.
    
    Throws:
    
    ParseException
- Method Detail
  - evaluateTree
```
public boolean evaluateTree()
```
    Evaluates the tree and returns true or false. The specified SSIMediator is used to resolve variable references.