@ Override public boolean checkParameter ( String key , String value ) { if ( null == value ) { return true ; } value = value . toLowerCase ( ) ; if ( value . contains ( "'" ) ) { return false ; } if ( value . contains ( "--" ) ) { return false ; } if ( value . contains ( "drop " ) ) { return false ; } if ( value . contains ( "insert " ) ) { return false ; } if ( value . contains ( "select " ) ) { return false ; } if ( value . contains ( "delete " ) ) { return false ; } if ( value . contains ( "<" ) ) { return false ; } if ( value . contains ( ">" ) ) { return false ; } return true ; }
returns true if the parameter seems to be ok .