ExpressionParseTree (Apache Tomcat 6.0.53 API Documentation)

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org.apache.catalina.ssi
Class ExpressionParseTree

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

public class ExpressionParseTree
extends java.lang.Object
extends java.lang.Object

Represents a parsed expression.

Author:: Paul Speed

Constructor Summary
`ExpressionParseTree(java.lang.String expr, SSIMediator ssiMediator)` Creates a new parse tree for the specified expression.

Method Summary
`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(java.lang.String expr,
                           SSIMediator ssiMediator)
                    throws java.text.ParseException

Creates a new parse tree for the specified expression.

Throws:: java.text.ParseException

Method Detail

evaluateTree

public boolean evaluateTree()

Evaluates the tree and returns true or false. The specified SSIMediator is used to resolve variable references.