dontcarefieldposition.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 55 行

/*
 * @(#)DontCareFieldPosition.java	1.5 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation. 
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt). 
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA 
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions. 
 */

package java.text;

/**
 * DontCareFieldPosition defines no-op FieldDelegate. Its
 * singleton is used for the format methods that don't take a
 * FieldPosition.
 */
class DontCareFieldPosition extends FieldPosition {
    // The singleton of DontCareFieldPosition.
    static final FieldPosition INSTANCE = new DontCareFieldPosition();

    private final Format.FieldDelegate noDelegate = new Format.FieldDelegate() {
	public void formatted(Format.Field attr, Object value, int start,
			      int end, StringBuffer buffer) {
	}
	public void formatted(int fieldID, Format.Field attr, Object value,
			      int start, int end, StringBuffer buffer) {
	}
    };

    private DontCareFieldPosition() {
	super(0);
    }

    Format.FieldDelegate getFieldDelegate() {
	return noDelegate;
    }
}