Module jakarta.faces
Package com.sun.faces.facelets.tag

Class TagAttributeImpl

java.lang.Object
jakarta.faces.view.facelets.TagAttribute
com.sun.faces.facelets.tag.TagAttributeImpl
public class TagAttributeImpl extends TagAttribute
Representation of a Tag's attribute in a Facelet File
Version:
$Id$
Author:
Jacob Hookom

  • Constructor Details

    • TagAttributeImpl

      public TagAttributeImpl()

    • TagAttributeImpl

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

  • Method Details

    • getBoolean

      public boolean getBoolean(FaceletContext ctx)

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

      Specified by:
      getBoolean in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      Returns:
      boolean value
      See Also:

    • getInt

      public int getInt(FaceletContext ctx)
      If literal, call Integer.parseInt(String), otherwise call getObject(FaceletContext, Class).
      Specified by:
      getInt in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      Returns:
      int value
      See Also:

    • 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 TagAttributeImpl'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.
      Specified by:
      getMethodExpression in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      type - expected return type
      paramTypes - parameter type
      Returns:
      a MethodExpression instance
      See Also:
      • ExpressionFactory.createMethodExpression(jakarta.el.ELContext, java.lang.String, java.lang.Class, java.lang.Class[])
      • MethodExpression

    • 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
      Specified by:
      getObject in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      Returns:
      Object representation of this attribute's value
      See Also:

    • getQName

      public String getQName()
      The qualified name for this attribute
      Specified by:
      getQName in class TagAttribute
      Returns:
      the qualified name for this attribute

    • getTag

      public Tag getTag()
      Description copied from class: TagAttribute

      A reference to the Tag for which this class represents the attributes. For compatibility with previous implementations, an implementation is provided that returns null.

      Overrides:
      getTag in class TagAttribute
      Returns:
      the Tag for which this class represents the attributes.

    • setTag

      public void setTag(Tag tag)
      Description copied from class: TagAttribute

      Set a reference to the Tag for which this class represents the attributes. The VDL runtime must ensure that this method is called before any FaceletHandlers for this element are instantiated. For compatibility with previous implementations, a no-op implementation is provided.

      Overrides:
      setTag in class TagAttribute
      Parameters:
      tag - the tag we represent.

    • 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.
      Specified by:
      getValue in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      Returns:
      String value of this attribute
      See Also:

    • 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.
      Specified by:
      getObject in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      type - expected return type
      Returns:
      Object value of this attribute
      See Also:
      • ExpressionFactory.coerceToType(java.lang.Object, java.lang.Class)
      • ExpressionFactory.createValueExpression(jakarta.el.ELContext, java.lang.String, java.lang.Class)
      • ValueExpression

    • getValueExpression

      public jakarta.el.ValueExpression getValueExpression(FaceletContext ctx, Class type)
      Create a ValueExpression, using this attribute's literal value and the passed expected type.
      Specified by:
      getValueExpression in class TagAttribute
      Parameters:
      ctx - FaceletContext to use
      type - expected return type
      Returns:
      ValueExpression instance
      See Also:
      • ExpressionFactory.createValueExpression(jakarta.el.ELContext, java.lang.String, java.lang.Class)
      • ValueExpression

    • isLiteral

      public boolean isLiteral()
      If this TagAttributeImpl 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

    • getValueExpression

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