public static String buildParam ( String paramName , List < String > paramArgs ) throws IOException { StringBuilder sb = new StringBuilder ( ) ; for ( String arg : paramArgs ) { if ( sb . length ( ) > 0 ) { sb . append ( "&" ) ; } sb . append ( paramName ) . append ( "=" ) . append ( URLEncoder . encode ( arg , "UTF-8" ) ) ; } return sb . toString ( ) ; }
builds up a String with the parameters for the filtering of fields