Bug 214204 Only document content in document folder should be removed.[0601]
Description: Only document related content in document folder should be removed. Build number:2.3.0.v20080103 Steps to reproduce: 1. Deploy BIRT. 2. Edit web.xml to set BIRT_VIEWER_DOCUMENT_FOLDER to your local path and there are content inside the path. 3. Start server and click View Example to preview sample report. Expected result: Only content created by viewer should be removed in specified document folder. Actual result: All contents are deleted despite whether they are related with BIRT. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
}
			catch ( NumberFormatException ex )
			{
				iValue = -1;
			}
		}
		return iValue;
	}
	/**
	 * Get named parameters from http request. parameter names and values are
	 * all in iso-8859-1 format in request.
	 * 
	 * @param request
	 *            incoming http request
	 * @param parameterName
	 *            parameter name
	 * @param isUTF
	 *            is parameter in UTF-8 formator not
	 * @return
	 */
	protected static Set getParameterValues( HttpServletRequest request,
			String parameterName, boolean isUTF )
	{
		HashSet parameterValues = null;
		String ISOParameterName = ( isUTF )
				? toISOString( parameterName )
				: parameterName;
		String[] ISOParameterValues = request
				.getParameterValues( ISOParameterName );
		if ( ISOParameterValues != null )