CandiExpr (Quercus 4.0.44)

java.lang.Object
- ValueExpression
- - com.caucho.el.Expr
  - - com.caucho.config.el.CandiExpr

```
public class CandiExpr
extends Expr
```
Variable resolution for webbeans variables

Field Summary
- Fields inherited from class com.caucho.el.Expr
  L, log

Constructor Summary

Constructors
Constructor and Description

CandiExpr(Expr expr)

Constructors
Constructor and Description
`CandiExpr(Expr expr)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Expr`	`createField(Expr field)` Creates a field reference using this expression as the base object.
`Expr`	`createField(java.lang.String field)` Creates a field reference using this expression as the base object.
`Expr`	`createMethod(Expr[] args)` Creates a method call using this as the `obj.method` expression
`java.math.BigDecimal`	`evalBigDecimal(ELContext env)` Evaluate the expression, knowing the value should be a BigDecimal.
`java.math.BigInteger`	`evalBigInteger(ELContext env)` Evaluate the expression, knowing the value should be a BigInteger.
`boolean`	`evalBoolean(ELContext env)` Evaluate the expression, knowing the value should be a boolean.
`char`	`evalCharacter(ELContext env)` Evaluate the expression, knowing the value should be a string
`double`	`evalDouble(ELContext env)` Evaluate the expression, knowing the value should be a double.
`long`	`evalLong(ELContext env)` Evaluate the expression, knowing the value should be a long
`long`	`evalPeriod(ELContext env)` Evaluate the expression, knowing the value should be a period
`java.lang.String`	`evalString(ELContext env)` Evaluate the expression, knowing the value should be a string
`java.lang.String`	`evalStringWithNull(ELContext env)` Evaluate the expression, knowing the value should be a string
`java.lang.Class<?>`	`getExpectedType()`
`java.lang.String`	`getExpressionString()`
`MethodInfo`	`getMethodInfo(ELContext env, java.lang.Class<?> returnType, java.lang.Class<?>[] argTypes)` Evaluates the expression, returning an object.
`java.lang.Class<?>`	`getType(ELContext context)`
`java.lang.Object`	`getValue(ELContext env)` Evaluates the expression, returning an object.
`java.lang.Object`	`invoke(ELContext env, java.lang.Class<?>[] argTypes, java.lang.Object[] args)` Evaluates the expression, returning an object.
`boolean`	`isConstant()` Returns true if the expression is constant.
`boolean`	`isLiteralText()` Returns true if the expression is literal text
`boolean`	`isReadOnly(ELContext env)` Returns true if the expression is read-only.
`boolean`	`print(JspWriter out, ELContext env, boolean escapeXml)` Evaluates directly to the output.
`boolean`	`print(WriteStream out, ELContext env, boolean escapeXml)` Evaluates directly to the output.
`void`	`printCreate(WriteStream os)` Generates the code to regenerate the expression.
`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, equals, error, evalObject, hashCode, invocationError, isDouble, isDoubleString, 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
  - CandiExpr
```
public CandiExpr(Expr expr)
```
- Method Detail
  - isConstant
```
public boolean isConstant()
```
    Description copied from class: Expr
    
    Returns true if the expression is constant.
    
    Overrides:
    
    isConstant in class Expr
  - isReadOnly
```
public boolean isReadOnly(ELContext env)
```
    Description copied from class: Expr
    
    Returns true if the expression is read-only.
    
    Overrides:
    
    isReadOnly in class Expr
  - isLiteralText
```
public boolean isLiteralText()
```
    Description copied from class: Expr
    
    Returns true if the expression is literal text
    
    Overrides:
    
    isLiteralText in class Expr
  - createField
```
public Expr createField(Expr field)
```
    Description copied from class: Expr
    
    Creates a field reference using this expression as the base object.
    
    Overrides:
    
    createField in class Expr
    
    Parameters:
    
    field - the expression for the field.
  - createField
```
public Expr createField(java.lang.String field)
```
    Description copied from class: Expr
    
    Creates a field reference using this expression as the base object.
    
    Overrides:
    
    createField in class Expr
    
    Parameters:
    
    field - the string reference for the field.
  - createMethod
```
public Expr createMethod(Expr[] args)
```
    Description copied from class: Expr
    
    Creates a method call using this as the obj.method expression
    
    Overrides:
    
    createMethod in class Expr
    
    Parameters:
    
    args - the arguments for the method
  - getValue
```
public java.lang.Object getValue(ELContext env)
                          throws ELException
```
    Description copied from class: Expr
    
    Evaluates the expression, returning an object.
    
    Specified by:
    
    getValue in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as an object
    
    Throws:
    
    ELException
  - getMethodInfo
```
public MethodInfo getMethodInfo(ELContext env,
                                java.lang.Class<?> returnType,
                                java.lang.Class<?>[] argTypes)
                         throws ELException
```
    Description copied from class: Expr
    
    Evaluates the expression, returning an object.
    
    Overrides:
    
    getMethodInfo in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as an object
    
    Throws:
    
    ELException
  - invoke
```
public java.lang.Object invoke(ELContext env,
                               java.lang.Class<?>[] argTypes,
                               java.lang.Object[] args)
                        throws ELException
```
    Description copied from class: Expr
    
    Evaluates the expression, returning an object.
    
    Overrides:
    
    invoke in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as an object
    
    Throws:
    
    ELException
  - evalBoolean
```
public boolean evalBoolean(ELContext env)
                    throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a boolean.
    
    Overrides:
    
    evalBoolean in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a boolean
    
    Throws:
    
    ELException
  - evalDouble
```
public double evalDouble(ELContext env)
                  throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a double.
    
    Overrides:
    
    evalDouble in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a double
    
    Throws:
    
    ELException
  - evalLong
```
public long evalLong(ELContext env)
              throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a long
    
    Overrides:
    
    evalLong in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a double
    
    Throws:
    
    ELException
  - evalString
```
public java.lang.String evalString(ELContext env)
                            throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a string
    
    Overrides:
    
    evalString in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a string
    
    Throws:
    
    ELException
  - evalStringWithNull
```
public java.lang.String evalStringWithNull(ELContext env)
                                    throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a string
    
    Overrides:
    
    evalStringWithNull in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a string
    
    Throws:
    
    ELException
  - evalCharacter
```
public char evalCharacter(ELContext env)
                   throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a string
    
    Overrides:
    
    evalCharacter in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a string
    
    Throws:
    
    ELException
  - evalPeriod
```
public long evalPeriod(ELContext env)
                throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a period
    
    Overrides:
    
    evalPeriod in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a period
    
    Throws:
    
    ELException
  - evalBigInteger
```
public java.math.BigInteger evalBigInteger(ELContext env)
                                    throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a BigInteger.
    
    Overrides:
    
    evalBigInteger in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a BigInteger
    
    Throws:
    
    ELException
  - evalBigDecimal
```
public java.math.BigDecimal evalBigDecimal(ELContext env)
                                    throws ELException
```
    Description copied from class: Expr
    
    Evaluate the expression, knowing the value should be a BigDecimal.
    
    Overrides:
    
    evalBigDecimal in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Returns:
    
    the value of the expression as a BigDecimal
    
    Throws:
    
    ELException
  - setValue
```
public void setValue(ELContext env,
                     java.lang.Object value)
              throws PropertyNotFoundException,
                     PropertyNotWritableException,
                     ELException
```
    Description copied from class: Expr
    
    Evaluates the expression, setting an object.
    
    Overrides:
    
    setValue in class Expr
    
    Parameters:
    
    env - the variable environment
    
    Throws:
    
    PropertyNotFoundException
    
    PropertyNotWritableException
    
    ELException
  - print
```
public boolean print(WriteStream out,
                     ELContext env,
                     boolean escapeXml)
              throws java.io.IOException,
                     ELException
```
    Description copied from class: Expr
    
    Evaluates directly to the output. The method returns true if the default value should be printed instead.
    
    Overrides:
    
    print in class Expr
    
    Parameters:
    
    out - the output writer
    
    env - the variable environment
    
    escapeXml - if true, escape reserved XML
    
    Returns:
    
    true if the object is null, otherwise false
    
    Throws:
    
    java.io.IOException
    
    ELException
  - print
```
public boolean print(JspWriter out,
                     ELContext env,
                     boolean escapeXml)
              throws java.io.IOException,
                     ELException
```
    Description copied from class: Expr
    
    Evaluates directly to the output. The method returns true if the default value should be printed instead.
    
    Overrides:
    
    print in class Expr
    
    Parameters:
    
    out - the output writer
    
    env - the variable environment
    
    escapeXml - if true, escape reserved XML
    
    Returns:
    
    true if the object is null, otherwise false
    
    Throws:
    
    java.io.IOException
    
    ELException
  - printCreate
```
public void printCreate(WriteStream os)
                 throws java.io.IOException
```
    Description copied from class: Expr
    
    Generates the code to regenerate the expression.
    
    Overrides:
    
    printCreate in class Expr
    
    Parameters:
    
    os - the stream to the *.java page
    
    Throws:
    
    java.io.IOException
  - getExpressionString
```
public java.lang.String getExpressionString()
```
    Overrides:
    
    getExpressionString in class Expr
  - getExpectedType
```
public java.lang.Class<?> getExpectedType()
```
    Overrides:
    
    getExpectedType in class Expr
  - getType
```
public java.lang.Class<?> getType(ELContext context)
                           throws PropertyNotFoundException,
                                  ELException
```
    Overrides:
    
    getType in class Expr
    
    Throws:
    
    PropertyNotFoundException
    
    ELException
  - toString
```
public java.lang.String toString()
```
    Specified by:
    
    toString in class Expr

Class CandiExpr

Field Summary

Fields inherited from class com.caucho.el.Expr

Constructor Summary

Method Summary

Methods inherited from class com.caucho.el.Expr

Methods inherited from class java.lang.Object

Constructor Detail

CandiExpr

Method Detail

isConstant

isReadOnly

isLiteralText

createField

createField

createMethod

getValue

getMethodInfo

invoke

evalBoolean

evalDouble

evalLong

evalString

evalStringWithNull

evalCharacter

evalPeriod

evalBigInteger

evalBigDecimal

setValue

print

print

printCreate

getExpressionString

getExpectedType

getType

toString