com.dpslink.flash.servlet

Class PagingServletLinks

java.lang.Object

com.dpslink.flash.servlet.PagingServletLinks

All Implemented Interfaces:

java.io.Serializable

public class PagingServletLinks
extends java.lang.Object
implements java.io.Serializable

Provides the calculations necessary in order to process servlet pages that handle paging through a list of records. Manufactures and returns a set of page navigation links which are appropriate for the current page of records being displayed. Calculates and returns the beginning and ending index for the current page's records.

Users of this class must implement the PagingServletContext interface.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static long	serialVersionUID The class' serialization version id.

Constructor Summary

Constructors

Constructor and Description
PagingServletLinks()

Method Summary

Modifier and Type	Method and Description
static int	getPageBegIndex(PagingServletContext ctx) Returns the index of the first record that is to be displayed on the current page.
static int	getPageEndIndex(PagingServletContext ctx) Returns the index of the last record that is to be displayed on the current page.
static java.util.ArrayList<Link>	getPageLinks(PagingServletContext ctx) Returns a collection of html Link objects that are based on the the given servlet context's current values for list size and page number.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

The class' serialization version id.

See Also:

Constant Field Values

Constructor Detail

PagingServletLinks

public PagingServletLinks()

Method Detail

getPageLinks

public static java.util.ArrayList<Link> getPageLinks(PagingServletContext ctx)

Returns a collection of html Link objects that are based on the the given servlet context's current values for list size and page number.

Parameters:

ctx - (PagingServletContext) The current servlet context.

Returns:

ArrayList - A collection of html Link objects.

getPageBegIndex

public static int getPageBegIndex(PagingServletContext ctx)

Returns the index of the first record that is to be displayed on the current page. This method assumes that prior to invoking this method, the invoking servlet has processed the getPageLinks method.

Parameters:

ctx - (PagingServletContext) The current servlet context.

Returns:

int - The index for the first record on the current page.

getPageEndIndex

public static int getPageEndIndex(PagingServletContext ctx)

Returns the index of the last record that is to be displayed on the current page. This method assumes that prior to invoking this method, the invoking servlet has processed the getPageLinks method.

Parameters:

ctx - (PagingServletContext) The current servlet context.

Returns:

int - The index for the last record on the current page.