com.caucho.el

Class IdExpr

java.lang.Object

ValueExpression

com.caucho.el.Expr

com.caucho.el.IdExpr

public class IdExpr
extends Expr

Identifier expression.

Field Summary

Fields inherited from class com.caucho.el.Expr

L, log

Constructor Summary

Constructors

Constructor and Description
IdExpr(java.lang.String id) Creates the identifier

Method Summary

Modifier and Type	Method and Description
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.Class	getType(ELContext env) Evaluate the expr as an object.
java.lang.Object	getValue(ELContext env) Evaluate the expr as an object.
boolean	isReadOnly(ELContext env) Returns true if the expression is read-only.
void	printCreate(WriteStream os) Prints the code to create an IdExpr.
void	setValue(ELContext env, java.lang.Object value) Evaluates the expression, setting an object.
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, hashCode, invocationError, invoke, isConstant, isDouble, isDoubleString, isLiteralText, print, print, printEscaped, printEscapedString, setProperty, toBigDecimal, toBigInteger, toBoolean, toCharacter, toClass, toDouble, toEnum, 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

IdExpr

public IdExpr(java.lang.String id)

Creates the identifier

Method Detail

isReadOnly

public boolean isReadOnly(ELContext env)

Returns true if the expression is read-only.

Overrides:

isReadOnly in class Expr

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.

getType

public java.lang.Class getType(ELContext env)
                        throws ELException

Evaluate the expr as an object.

Overrides:

getType in class Expr

Parameters:

env - the variable environment

Returns:

the value as an object

Throws:

ELException

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

Evaluates the expression, setting an object.

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