Package org.apache.myfaces.view.facelets.tag

Class TagAttributeImpl

java.lang.Object

jakarta.faces.view.facelets.TagAttribute

org.apache.myfaces.view.facelets.tag.TagAttributeImpl

public final class TagAttributeImpl
extends TagAttribute

Representation of a Tag's attribute in a Facelet File

Version:

$Id$

Author:

Jacob Hookom

Constructor Summary

Constructors

Constructor	Description
TagAttributeImpl(Location location, String ns, String localName, String qName, String value)

Method Summary

Modifier and Type	Method	Description
boolean	getBoolean(FaceletContext ctx)	If literal, return Boolean.getBoolean(java.lang.String) passing our value, otherwise call getObject(FaceletContext, Class).
int	getInt(FaceletContext ctx)	If literal, call Integer.parseInt(String), otherwise call getObject(FaceletContext, Class).
String	getLocalName()	Local name of this attribute
Location	getLocation()	The location of this attribute in the FaceletContext
jakarta.el.MethodExpression	getMethodExpression(FaceletContext ctx, Class type, Class[] paramTypes)	Create a MethodExpression, using this attribute's value as the expression String.
String	getNamespace()	The resolved Namespace for this attribute
Object	getObject(FaceletContext ctx)	Delegates to getObject with Object.class as a param See #getObject(FaceletContext, Class)
Object	getObject(FaceletContext ctx, Class type)	If literal, simply coerce our String literal value using an ExpressionFactory, otherwise create a ValueExpression and evaluate it.
String	getQName()	The qualified name for this attribute
String	getValue()	Return the literal value of this attribute
String	getValue(FaceletContext ctx)	If literal, then return our value, otherwise delegate to getObject, passing String.class.
jakarta.el.ValueExpression	getValueExpression(FaceletContext ctx, Class type)	Create a ValueExpression, using this attribute's literal value and the passed expected type.
boolean	isLiteral()	If this TagAttribute is literal (not #{..} or ${..})
String	toString()

Methods inherited from class jakarta.faces.view.facelets.TagAttribute

getTag, setTag

Methods inherited from class java.lang.Object

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

Constructor Detail

TagAttributeImpl

public TagAttributeImpl(Location location,
                        String ns,
                        String localName,
                        String qName,
                        String value)

Method Detail

getBoolean

public boolean getBoolean(FaceletContext ctx)

If literal, return Boolean.getBoolean(java.lang.String) passing our value, otherwise call getObject(FaceletContext, Class). See Boolean#getBoolean(java.lang.String) See #getObject(FaceletContext, Class)

Specified by:

getBoolean in class TagAttribute

Parameters:

ctx - FaceletContext to use

Returns:

boolean value

getInt

public int getInt(FaceletContext ctx)

If literal, call Integer.parseInt(String), otherwise call getObject(FaceletContext, Class). See Integer#parseInt(java.lang.String) See #getObject(FaceletContext, Class)

Specified by:

getInt in class TagAttribute

Parameters:

ctx - FaceletContext to use

Returns:

int value

getLocalName

public String getLocalName()

Local name of this attribute

Specified by:

getLocalName in class TagAttribute

Returns:

local name of this attribute

getLocation

public Location getLocation()

The location of this attribute in the FaceletContext

Specified by:

getLocation in class TagAttribute

Returns:

the TagAttribute's location

getMethodExpression

public jakarta.el.MethodExpression getMethodExpression(FaceletContext ctx,
                                                       Class type,
                                                       Class[] paramTypes)

Create a MethodExpression, using this attribute's value as the expression String. See ExpressionFactory#createMethodExpression(jakarta.el.ELContext, java.lang.String, java.lang.Class, java.lang.Class[]) See MethodExpression

Specified by:

getMethodExpression in class TagAttribute

Parameters:

ctx - FaceletContext to use

type - expected return type

paramTypes - parameter type

Returns:

a MethodExpression instance

getNamespace

public String getNamespace()

The resolved Namespace for this attribute

Specified by:

getNamespace in class TagAttribute

Returns:

resolved Namespace

getObject

public Object getObject(FaceletContext ctx)

Delegates to getObject with Object.class as a param See #getObject(FaceletContext, Class)

Specified by:

getObject in class TagAttribute

Parameters:

ctx - FaceletContext to use

Returns:

Object representation of this attribute's value

getQName

public String getQName()

The qualified name for this attribute

Specified by:

getQName in class TagAttribute

Returns:

the qualified name for this attribute

getValue

public String getValue()

Return the literal value of this attribute

Specified by:

getValue in class TagAttribute

Returns:

literal value

getValue

public String getValue(FaceletContext ctx)

If literal, then return our value, otherwise delegate to getObject, passing String.class. See #getObject(FaceletContext, Class)

Specified by:

getValue in class TagAttribute

Parameters:

ctx - FaceletContext to use

Returns:

String value of this attribute

getObject

public Object getObject(FaceletContext ctx,
                        Class type)

If literal, simply coerce our String literal value using an ExpressionFactory, otherwise create a ValueExpression and evaluate it. See ExpressionFactory#coerceToType(java.lang.Object, java.lang.Class) See ExpressionFactory#createValueExpression(jakarta.el.ELContext, java.lang.String, java.lang.Class) See ValueExpression

Specified by:

getObject in class TagAttribute

Parameters:

ctx - FaceletContext to use

type - expected return type

Returns:

Object value of this attribute

getValueExpression

public jakarta.el.ValueExpression getValueExpression(FaceletContext ctx,
                                                     Class type)

Create a ValueExpression, using this attribute's literal value and the passed expected type. See ExpressionFactory#createValueExpression(jakarta.el.ELContext, java.lang.String, java.lang.Class) See ValueExpression

Specified by:

getValueExpression in class TagAttribute

Parameters:

ctx - FaceletContext to use

type - expected return type

Returns:

ValueExpression instance

isLiteral

public boolean isLiteral()

If this TagAttribute is literal (not #{..} or ${..})

Specified by:

isLiteral in class TagAttribute

Returns:

true if this attribute is literal

toString

public String toString()

Overrides:

toString in class Object