analytics/webcontent/mdsrv/lineageUI/cookies.js

/****************************************************************
** Licensed Materials - Property of IBM
**
** IBM Cognos Products: mdsrv
**
** (C) Copyright IBM Corp. 2008, 2010
**
** US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
*****************************************************************/
//***********************************************************************************************
// Copyright (C) 2008 Cognos ULC, an IBM Company. All rights reserved.
// Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).
//
// Component: Cookie Manager
//***********************************************************************************************

//---------------------------------------------------------------------
// class CCookieMgr
//---------------------------------------------------------------------

function CCookieMgr ()
{
	this.isCookieEnabled	= function () { return navigator.cookieEnabled; }

	this.getExpDate			= function ( days, hours, minutes )
	{
		var expDate = new Date();

		if ( typeof days == "number" && typeof hours == "number" && typeof minutes == "number" )
		{
			expDate.setDate		( expDate.getDate()    + parseInt( days ) );
			expDate.setHours	( expDate.getHours()   + parseInt( hours ) );
			expDate.setMinutes	( expDate.getMinutes() + parseInt( minutes ) );

			return expDate.toUTCString();
		}
	}

	this.getCookieVal		= function ( offset )
	{
		var endstr = document.cookie.indexOf ( ";", offset );

		if ( endstr == -1 )
		{
			endstr = document.cookie.length;
		}

		return decodeURI ( document.cookie.substring( offset, endstr ) );
	}

	this.getCookie			= function ( name )
	{
		var arg		= name + "=";
		var alen	= arg.length;
		var clen	= document.cookie.length;

		var i = 0;

		while ( i < clen )
		{
			var j = i + alen;

			if ( document.cookie.substring( i, j ) == arg )
			{
				return this.getCookieVal(j);
			}

			i = document.cookie.indexOf( " ", i ) + 1;

			if ( i == 0 )
				break;
		}

		return "";
	}

	this.setCookie			= function ( name, value, expires, path, domain, secure )
	{
		document.cookie = name + "=" + encodeURI( value ) +
			( (expires) ? "; expires=" + expires : "" ) +
			( (path) ? "; path=" + path : "" ) +
			( (domain) ? "; domain=" + domain : "" ) +
			( (secure) ? "; secure" : "" );
	}

	this.deleteCookie		= function ( name, path, domain )
	{
		if ( this.getCookie(name) )
		{
			document.cookie = name + "=" +
				( (path) ? "; path=" + path : "" ) +
				( (domain) ? "; domain=" + domain : "" ) +
				"; expires=Thu, 01-Jan-70 00:00:01 GMT";	//HACK: delete the cookie by setting expired expiration date
		}
	}
}