org.apache.taglibs.rdc.dm
Class RuleBasedDirectedDialog

java.lang.Object
  org.apache.taglibs.rdc.dm.DialogManagerImpl
      org.apache.taglibs.rdc.dm.RuleBasedDirectedDialog

All Implemented Interfaces:

DialogManager

public class RuleBasedDirectedDialog
extends DialogManagerImpl

A dialog management strategy for the RDC group container which defines a rule based directed dialog. This dialog management strategy is:

• Rule-based: Children are executed according to the navigation rules
• Directed: Only one child is active at any given time

Navigation rules are specified in an XML document whose URI is the config attribute of the <group> tag.

Author:

Rahul Akolkar

Nested Class Summary

static interface	RuleBasedDirectedDialog.Condition Condition interface Implementing classes must also define an accessible method of the following signature: static Map getAttrPropMap()
static class	RuleBasedDirectedDialog.ConditionImpl Java Object corresponding to an individual condition defined within a rule in the XML navigation rules structure.
static class	RuleBasedDirectedDialog.Navigation Java Object encapsulating the XML navigation rules.
static class	RuleBasedDirectedDialog.NavigationRule Java Object corresponding to an individual XML navigation rule defined in the XML navigation rules structure.

Field Summary

Fields inherited from class org.apache.taglibs.rdc.dm.DialogManagerImpl

groupState, groupTag, stack, stateMap

Constructor Summary

RuleBasedDirectedDialog()

Method Summary

void	collect(javax.servlet.jsp.JspContext ctx, javax.servlet.jsp.tagext.JspFragment bodyFragment) Collect the required information from the user
boolean	initialize(javax.servlet.jsp.JspContext ctx, javax.servlet.jsp.tagext.JspFragment bodyFragment) Initialiaze this doTag() invocation

Methods inherited from class org.apache.taglibs.rdc.dm.DialogManagerImpl

confirm, finish, setGroupTag, setPropertyChildren, setStateChildren

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleBasedDirectedDialog

public RuleBasedDirectedDialog()

Method Detail

initialize

public boolean initialize(javax.servlet.jsp.JspContext ctx,
                          javax.servlet.jsp.tagext.JspFragment bodyFragment)
                   throws javax.servlet.jsp.JspException,
                          java.io.IOException

Description copied from class: DialogManagerImpl

Initialiaze this doTag() invocation

Specified by:

initialize in interface DialogManager

Overrides:

initialize in class DialogManagerImpl

Parameters:

ctx - the JspContext

bodyFragment - The JspFragment indicating the body of this group

Throws:

javax.servlet.jsp.JspException

java.io.IOException

collect

public void collect(javax.servlet.jsp.JspContext ctx,
                    javax.servlet.jsp.tagext.JspFragment bodyFragment)
             throws javax.servlet.jsp.JspException,
                    java.io.IOException

Collect the required information from the user

Specified by:

collect in interface DialogManager

Specified by:

collect in class DialogManagerImpl

Parameters:

ctx - the JspContext

bodyFragment - The JspFragment indicating the body of this group

Throws:

javax.servlet.jsp.JspException

java.io.IOException