Package org.jdesktop.el.impl.lang

Class ELSupport

java.lang.Object

org.jdesktop.el.impl.lang.ELSupport

Direct Known Subclasses:

SimpleNode

public class ELSupport
extends Object

A helper class that implements the EL Specification

Version:

$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: spuhl $

Author:

Jacob Hookom [jacob@hookom.net]

Constructor Summary

Constructors

Constructor	Description
ELSupport()

Method Summary

Modifier and Type	Method	Description
static Boolean	coerceToBoolean(Object obj)
static Character	coerceToCharacter(Object obj)
static Enum	coerceToEnum(Object obj, Class type)
protected static Number	coerceToNumber(Number number, Class type)
static Number	coerceToNumber(Object obj)
static Number	coerceToNumber(Object obj, Class type)
protected static Number	coerceToNumber(String val, Class type)
static String	coerceToString(Object obj)
static Object	coerceToType(Object obj, Class type)
static int	compare(Object obj0, Object obj1)
static boolean	containsNulls(Object[] obj)
static boolean	equals(Object obj0, Object obj1)
static boolean	isBigDecimalOp(Object obj0, Object obj1)
static boolean	isBigIntegerOp(Object obj0, Object obj1)
static boolean	isDoubleOp(Object obj0, Object obj1)
static boolean	isDoubleStringOp(Object obj0, Object obj1)
static boolean	isLongOp(Object obj0, Object obj1)
static boolean	isStringFloat(String str)
static void	throwUnhandled(Object base, Object property)
static Number	toFloat(String value)
static Number	toNumber(String value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ELSupport

public ELSupport()

Method Detail

throwUnhandled

public static final void throwUnhandled(Object base,
                                        Object property)
                                 throws ELException

Throws:

ELException

compare

public static final int compare(Object obj0,
                                Object obj1)
                         throws ELException

Parameters:

obj0 -

obj1 -

Returns:

Throws:

EvaluationException

ELException

equals

public static final boolean equals(Object obj0,
                                   Object obj1)
                            throws ELException

Parameters:

obj0 -

obj1 -

Returns:

Throws:

EvaluationException

ELException

coerceToBoolean

public static final Boolean coerceToBoolean(Object obj)
                                     throws IllegalArgumentException

Parameters:

obj -

Returns:

Throws:

IllegalArgumentException

coerceToEnum

public static final Enum coerceToEnum(Object obj,
                                      Class type)
                               throws IllegalArgumentException

Throws:

IllegalArgumentException

coerceToCharacter

public static final Character coerceToCharacter(Object obj)
                                         throws IllegalArgumentException

Throws:

IllegalArgumentException

coerceToNumber

public static final Number coerceToNumber(Object obj)

coerceToNumber

protected static final Number coerceToNumber(Number number,
                                             Class type)
                                      throws IllegalArgumentException

Throws:

IllegalArgumentException

coerceToNumber

public static final Number coerceToNumber(Object obj,
                                          Class type)
                                   throws IllegalArgumentException

Throws:

IllegalArgumentException

coerceToNumber

protected static final Number coerceToNumber(String val,
                                             Class type)
                                      throws IllegalArgumentException

Throws:

IllegalArgumentException

coerceToString

public static final String coerceToString(Object obj)

Parameters:

obj -

Returns:

coerceToType

public static final Object coerceToType(Object obj,
                                        Class type)
                                 throws IllegalArgumentException

Throws:

IllegalArgumentException

containsNulls

public static final boolean containsNulls(Object[] obj)

Parameters:

obj -

Returns:

isBigDecimalOp

public static final boolean isBigDecimalOp(Object obj0,
                                           Object obj1)

isBigIntegerOp

public static final boolean isBigIntegerOp(Object obj0,
                                           Object obj1)

isDoubleOp

public static final boolean isDoubleOp(Object obj0,
                                       Object obj1)

isDoubleStringOp

public static final boolean isDoubleStringOp(Object obj0,
                                             Object obj1)

isLongOp

public static final boolean isLongOp(Object obj0,
                                     Object obj1)

isStringFloat

public static final boolean isStringFloat(String str)

toFloat

public static final Number toFloat(String value)

toNumber

public static final Number toNumber(String value)