com.caucho.el
Class ValueExpr

java.lang.Object
  javax.el.Expression
      javax.el.ValueExpression
          com.caucho.el.Expr
              com.caucho.el.ValueExpr

All Implemented Interfaces:

java.io.Serializable

public class ValueExpr
extends Expr

ValueExpression expression.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.caucho.el.Expr

L, log

Constructor Summary

ValueExpr(java.lang.String name, ValueExpression valExpr)
Creates the identifier

Method Summary

Expr	createField(java.lang.String field) Creates a field reference using this expression as the base object.
boolean	equals(java.lang.Object o)
java.lang.Object	getValue(ELContext env) Evaluate the expr as an object.
void	printCreate(WriteStream os) Prints the code to create an IdExpr.
void	setValue(ELContext env, java.lang.Object value) Sets teh value.
java.lang.String	toString()

Methods inherited from class com.caucho.el.Expr

coerceToType, createField, createMethod, error, evalBigDecimal, evalBigInteger, evalBoolean, evalCharacter, evalDouble, evalLong, evalObject, evalPeriod, evalString, evalStringWithNull, getExpectedType, getExpressionString, getMethodInfo, getType, hashCode, invocationError, invoke, isConstant, isDouble, isDoubleString, isLiteralText, isReadOnly, print, print, printEscaped, printEscapedString, setProperty, toBigDecimal, toBigInteger, toBoolean, toCharacter, toDouble, toLong, toStream, toStream, toStream, toStreamEscaped, toStreamEscaped, toStreamEscaped, toString, toString, toString, toString, toString, toStringWithNull

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ValueExpr

public ValueExpr(java.lang.String name,
                 ValueExpression valExpr)

Creates the identifier

Method Detail

createField

public Expr createField(java.lang.String field)

Creates a field reference using this expression as the base object.

Overrides:

createField in class Expr

Parameters:

field - the string reference for the field.

getValue

public java.lang.Object getValue(ELContext env)
                          throws ELException

Evaluate the expr as an object.

Specified by:

getValue in class Expr

Parameters:

env - the variable environment

Returns:

the value as an object

Throws:

ELException

setValue

public void setValue(ELContext env,
                     java.lang.Object value)
              throws ELException

Sets teh value.

Overrides:

setValue in class Expr

Parameters:

env - the variable environment

Throws:

ELException

printCreate

public void printCreate(WriteStream os)
                 throws java.io.IOException

Prints the code to create an IdExpr.

Overrides:

printCreate in class Expr

Parameters:

os - the stream to the *.java page

Throws:

java.io.IOException

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class Expr

toString

public java.lang.String toString()

Specified by:

toString in class Expr