Pagination in JSP-pagination label class

Package com. dbtemplate. Tag;

Import java. Io. ioexception;

Import javax. servlet. http. httpsession;
Import javax. servlet. jsp. jspexception;
Import javax. servlet. jsp. jspwriter;
Import javax. servlet. jsp. tagext. tagsupport;

Import org. Apache. log4j. Logger;

Import com. dbtemplate. domain. pageinfo;

/***//**
* <PRE>
* Paginationtag is a JSP custom tag. Its functions are as follows:
* Provide paging information for the page
*
* The process is as follows:
*. Get the pageinfo object stored in the session.
* Print paging information based on a series of tags in pageinfo
*
* </PRE>
*
* @ Author Peng
*
*/
Public class paginationtag extends tagsupport ...{

Static logger = logger. getlogger (paginationtag. Class. getname ());

Static final string baseurl = "<a href =" user. jsp? ";

Static final string endtag = "</a> ";

/**//*
* Page <% = intpage %> total <% = intpagecount %> pages (total <% = introwcount %> Records)
*
* <! -- Display the homepage link --> <a href = "user. jsp? "> Homepage </a>
*
* <! -- Show Previous Page Link --> <% IF (intpage> 1) {%> <a href = "user. jsp? Page = intPage-1 %> "> previous </a>
* <%}%>
*
* <! -- Display next page Link --> <% IF (intpage <intpagecount) {%> <a href = "user. jsp? Page = <% = intpage + 1%> "> next page </a>
* <%}%>
*
* <! -- Display the last link --> <a href = "user. jsp? Page = <% = intpagecount %> "> last page </a>
*
* <! -- Display the refresh data link --> <a onclick = "window. Location. Reload ();"
* Onmouseover = "This. style. textdecoration = 'underline';" onmouseout =
* "This. style. testdecoration = 'none';" style = "cursor: hand;"> refresh data </a>
*/

Public int doendtag () throws jspexception ...{

Logger. debug ("start to handle pagination infomatin .");
// Obtain the pageinfo object stored in the session
Httpsession session = pagecontext. getsession ();
Pageinfo = (pageinfo) Session. getattribute ("page ");

// Display the page information based on the information in pageinfo
Jspwriter writer = pagecontext. getout ();
Stringbuffer output = new stringbuffer ();

// Page number display
Output. append (""). append (pageinfo. getcurrentpageno (). append ("page ");
Output. append ("(total"). append (pageinfo. gettotalrecords (). append ("Record )");

// Home Page
Output. append (baseurl). append (""> "). append (" Homepage "). append (endtag );

// Previous Page Link
If (pageinfo. ishaspreviouspage ())...{
Output. append (baseurl). append ("page ="). append (
Pageinfo. getpreviouspageno (). append (""> "). append (" Previous Page ")
. Append (endtag );
}

// Next page
If (pageinfo. ishasnextpage ())...{
Output. append (baseurl). append ("page ="). append (
Pageinfo. getnextpageno (). append (""> "). append (" next page ")
. Append (endtag );
}

// Last link
Output. append (baseurl). append ("page ="). append (pageinfo. gettotalpages ())
. Append (""> "). append (" last page "). append (endtag );

// Refresh the Page Link
Output. append ("<a onclik =" javascript: window. Location. Reload ();"");
Output
. Append ("onmouseover =" This. style. textdecoration = 'underline ;"");
Output. append ("onmouseout =" This. style. textdecoration = 'none ';"");
Output. append ("style =" cursor: hand ;"");
Output. append ("refresh ");
Output. append (endtag );

// Print the page information
Try ...{
Writer. println (output );
} Catch (ioexception IOE )...{
Logger. Error ("error occured when handle paginatin informatin .");
Throw new jspexception (IOE. getmessage ());
}

Return skip_body;
}
}