com.caucho.el

Class ArrayExpr

java.lang.Object

javax.el.Expression

javax.el.ValueExpression

com.caucho.el.Expr

com.caucho.el.ArrayExpr

All Implemented Interfaces:

java.io.Serializable

public class ArrayExpr
extends Expr

Represents an array reference:

 a[b]
 

See Also:

Serialized Form

Field Summary

Fields inherited from class com.caucho.el.Expr

L, log

Constructor Summary

Constructors

Constructor and Description
ArrayExpr(Expr left, Expr right) Creates a new array expression.

Method Summary

Modifier and Type	Method and Description
Expr	createMethod(Expr[] args) Creates a method for constant arrays.
boolean	equals(java.lang.Object o) Returns true for equal strings.
Expr	getExpr() Returns the base expression.
Expr	getIndex() Returns the index expression.
java.lang.Class<?>	getType(ELContext env) Evaluates the expression as applicable to the provided context, and returns the most general type that can be accepted by the setValue(javax.el.ELContext, java.lang.Object) method.
java.lang.Object	getValue(ELContext env) Evaluate the expression as an object.
void	printCreate(WriteStream os) Prints the code to create an LongLiteral.
java.lang.String	toString() Returns a readable representation of the expr.

Methods inherited from class com.caucho.el.Expr

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

Methods inherited from class javax.el.ValueExpression

getValueReference

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayExpr

public ArrayExpr(Expr left,
                 Expr right)

Creates a new array expression.

Parameters:

left - the object expression

right - the index expression.

Method Detail

getExpr

public Expr getExpr()

Returns the base expression.

getIndex

public Expr getIndex()

Returns the index expression.

createMethod

public Expr createMethod(Expr[] args)

Creates a method for constant arrays.

Overrides:

createMethod in class Expr

Parameters:

args - the arguments for the method

getType

public java.lang.Class<?> getType(ELContext env)

Evaluates the expression as applicable to the provided context, and returns the most general type that can be accepted by the setValue(javax.el.ELContext, java.lang.Object) method.

Overrides:

getType in class Expr

Parameters:

env -

Returns:

Throws:

PropertyNotFoundException

ELException

getValue

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

Evaluate the expression as an object.

Specified by:

getValue in class Expr

Parameters:

env - the variable environment

Returns:

the evaluated object

Throws:

ELException

printCreate

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

Prints the code to create an LongLiteral.

Overrides:

printCreate in class Expr

Parameters:

os - stream to the generated *.java code

Throws:

java.io.IOException

equals

public boolean equals(java.lang.Object o)

Returns true for equal strings.

Overrides:

equals in class Expr

toString

public java.lang.String toString()

Returns a readable representation of the expr.

Specified by:

toString in class Expr