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      1 /*
      2  * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
      3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
      4  *
      5  * This code is free software; you can redistribute it and/or modify it
      6  * under the terms of the GNU General Public License version 2 only, as
      7  * published by the Free Software Foundation.  Oracle designates this
      8  * particular file as subject to the "Classpath" exception as provided
      9  * by Oracle in the LICENSE file that accompanied this code.
     10  *
     11  * This code is distributed in the hope that it will be useful, but WITHOUT
     12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     14  * version 2 for more details (a copy is included in the LICENSE file that
     15  * accompanied this code).
     16  *
     17  * You should have received a copy of the GNU General Public License version
     18  * 2 along with this work; if not, write to the Free Software Foundation,
     19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     20  *
     21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
     22  * or visit www.oracle.com if you need additional information or have any
     23  * questions.
     24  */
     25 
     26 package java.text;
     27 
     28 /**
     29  * DontCareFieldPosition defines no-op FieldDelegate. Its
     30  * singleton is used for the format methods that don't take a
     31  * FieldPosition.
     32  */
     33 class DontCareFieldPosition extends FieldPosition {
     34     // The singleton of DontCareFieldPosition.
     35     static final FieldPosition INSTANCE = new DontCareFieldPosition();
     36 
     37     private final Format.FieldDelegate noDelegate = new Format.FieldDelegate() {
     38         public void formatted(Format.Field attr, Object value, int start,
     39                               int end, StringBuffer buffer) {
     40         }
     41         public void formatted(int fieldID, Format.Field attr, Object value,
     42                               int start, int end, StringBuffer buffer) {
     43         }
     44     };
     45 
     46     private DontCareFieldPosition() {
     47         super(0);
     48     }
     49 
     50     Format.FieldDelegate getFieldDelegate() {
     51         return noDelegate;
     52     }
     53 }
     54