Package jakarta.faces.view.facelets

Class FaceletContext

java.lang.Object
jakarta.el.ELContext
jakarta.faces.view.facelets.FaceletContext
public abstract class FaceletContext extends ELContext

Context representative of a single request from a Facelet. This instance is passed to nearly every method call in this API.

Since:
2.0

  • Field Details

    • FACELET_CONTEXT_KEY

      public static final String FACELET_CONTEXT_KEY
      The key in the FacesContext attribute map for the FaceletContext instance.

  • Constructor Details

    • FaceletContext

      public FaceletContext()

  • Method Details

    • getFacesContext

      public abstract FacesContext getFacesContext()

      The current FacesContext bound to this "request". Must not be null.

      Returns:
      The current FacesContext bound to this "request".
      Since:
      2.0

    • generateUniqueId

      public abstract String generateUniqueId(String base)

      Generate a unique ID for the passed String

      Parameters:
      base - the string from which to generate the ID.
      Returns:
      the generated id
      Since:
      2.0

    • getExpressionFactory

      public abstract ExpressionFactory getExpressionFactory()

      The ExpressionFactory to use within the Facelet this context is executing upon. Must not be null.

      Returns:
      the ExpressionFactory for this Facelet.
      Since:
      2.0

    • setVariableMapper

      public abstract void setVariableMapper(VariableMapper varMapper)

      Set the VariableMapper to use in EL evaluation/creation.

      Parameters:
      varMapper - the new VariableMapper
      Since:
      2.0

    • setFunctionMapper

      public abstract void setFunctionMapper(FunctionMapper fnMapper)

      Set the FunctionMapper to use in EL evaluation/creation.

      Parameters:
      fnMapper - the new FunctionMapper
      Since:
      2.0

    • setAttribute

      public abstract void setAttribute(String name, Object value)

      Support method which is backed by the current VariableMapper.

      Parameters:
      name - the name of the attribute
      value - the value of the attribute
      Since:
      2.0

    • getAttribute

      public abstract Object getAttribute(String name)

      Return an attribute set by a previous call to setAttribute(java.lang.String, java.lang.Object). Support method which is backed by the current VariableMapper

      Parameters:
      name - the name of the attribute to return.
      Returns:
      the value of the named attribute
      Since:
      2.0

    • includeFacelet

      public abstract void includeFacelet(UIComponent parent, String relativePath) throws IOException

      Include another Facelet defined at some path, relative to the executing context, not the current Facelet (same as include directive in Jakarta Server Pages)

      Parameters:
      parent - the UIComponent that will be the parent of any components in the included facelet.
      relativePath - the path of the resource containing the facelet markup, relative to the current markup
      Throws:
      IOException - if unable to load relativePath
      FaceletException - if unable to parse the markup loaded from relativePath
      FacesException - if unable to create child UIComponent instances
      ELException - if any of the expressions in the markup loaded from relativePath fail
      Since:
      2.0

    • includeFacelet

      public abstract void includeFacelet(UIComponent parent, URL absolutePath) throws IOException

      Include another Facelet defined at some path, absolute to this ClassLoader/OS

      Parameters:
      parent - the UIComponent that will be the parent of any components in the included facelet.
      absolutePath - the absolute path to the resource containing the facelet markup
      Throws:
      IOException - if unable to load relativePath
      FaceletException - if unable to parse the markup loaded from relativePath
      FacesException - if unable to create child UIComponent instances
      ELException - if any of the expressions in the markup loaded from relativePath fail