Bug 156912 Proxy problems with birt-viewer.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
}
		fileName = fileName + ".pdf";  
		return fileName;
	}
	/**
	 * Reset isInitContext flag
	 */
	public static void reset( )
	{
		isInitContext = false;
	}
	/**
	 * 
	 * Check if OS system is windows
	 * 
	 * @return boolean
	 */
	protected static boolean isWindowsPlatform( )
	{
		return System.getProperty( "os.name" ).toLowerCase( ).indexOf( 
				"windows" ) >= 0; 
	}
	/**
	 * Get the resource folder.
	 * 
	 * @param request
	 *            the request to retrieve
	 * @return the resource folder of the request
	 */
	public static String getResourceFolder( HttpServletRequest request )