com.redhat.rhn.frontend.taglibs.list

Class AlphaBarHelper

java.lang.Object

com.redhat.rhn.frontend.taglibs.list.AlphaBarHelper

public class AlphaBarHelper
extends java.lang.Object

AlphaBarHelper

Constructor Summary

Constructors

Constructor and Description
AlphaBarHelper()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getAlphaValue(java.lang.String listName, javax.servlet.ServletRequest req) Returns the alpha value..
static AlphaBarHelper	getInstance() get the singleton instance
boolean	isSelected(java.lang.String listName, javax.servlet.ServletRequest req) Returns true if the alpha bar item was selected from the request
static java.lang.String	makeAlphaKey(java.lang.String listName) provides the alpha bar key
void	writeAlphaBar(javax.servlet.jsp.PageContext pageContext, java.util.Set<java.lang.Character> activeChars, java.lang.String listName) Write the alpha bar to the current pageContext

Methods inherited from class java.lang.Object

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

Constructor Detail

AlphaBarHelper

public AlphaBarHelper()

Method Detail

makeAlphaKey

public static java.lang.String makeAlphaKey(java.lang.String listName)

provides the alpha bar key

Parameters:

listName - the list name

Returns:

the url key for the alpha bar

isSelected

public boolean isSelected(java.lang.String listName,
                          javax.servlet.ServletRequest req)

Returns true if the alpha bar item was selected from the request

Parameters:

listName - the name of this list, ncessary for unique identification

req - the servlet request.

Returns:

true if the alpha bar item was selected from the request

getAlphaValue

public java.lang.String getAlphaValue(java.lang.String listName,
                                      javax.servlet.ServletRequest req)

Returns the alpha value..

Parameters:

listName - the name of this list, ncessary for unique identification

req - the servlet request.

Returns:

the alpha value

getInstance

public static AlphaBarHelper getInstance()

get the singleton instance

Returns:

the instance

writeAlphaBar

public void writeAlphaBar(javax.servlet.jsp.PageContext pageContext,
                          java.util.Set<java.lang.Character> activeChars,
                          java.lang.String listName)
                   throws javax.servlet.jsp.JspException

Write the alpha bar to the current pageContext

Parameters:

pageContext - the pageContext to write to

activeChars - a Set of characters that are active in the alpha bar

listName - the name of the list to write the alpha bar for.

Throws:

javax.servlet.jsp.JspException - jspException from the super class