org.figure8.join.control.taglib
Class ContextTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.tagext.BodyTagSupport
          org.figure8.join.control.taglib.ContextTag

All Implemented Interfaces:

java.io.Serializable, javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:

AuthorizeTag, CssRowTag, GetResultTag, ResolveUserTag

public abstract class ContextTag
extends javax.servlet.jsp.tagext.BodyTagSupport

This is a base class for tag extensions using context and scopes for retrieving and storing beans.

Version:

$Revision: 1.2 $

Author:

Laurent Broudoux

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport

bodyContent

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

ContextTag()

Method Summary

protected java.lang.Object	findBeanInScope(java.lang.String name, java.lang.String scope) Find a bean specified by its name from context within a specified scope.
protected void	storeBeanInScope(java.lang.Object bean, java.lang.String name, java.lang.String scope) Store a bean into context using a specified name within a specified scope

Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport

doAfterBody, doEndTag, doInitBody, doStartTag, getBodyContent, getPreviousOut, release, setBodyContent

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.jsp.tagext.Tag

getParent, setPageContext, setParent

Constructor Detail

ContextTag

public ContextTag()

Method Detail

findBeanInScope

protected java.lang.Object findBeanInScope(java.lang.String name,
                                           java.lang.String scope)
                                    throws javax.servlet.jsp.JspTagException

Find a bean specified by its name from context within a specified scope.

Parameters:

name - Name of the bean to retrieve

scope - Scope to look for the bean

Throws:

javax.servlet.jsp.JspTagException - scope is not an existing scope

storeBeanInScope

protected void storeBeanInScope(java.lang.Object bean,
                                java.lang.String name,
                                java.lang.String scope)

Store a bean into context using a specified name within a specified scope

Parameters:

bean - The bean to store within scope

name - Name to use for storing bean within context

scope - The scope of context to use for registration