01: /* ========================================================================
02: * JCommon : a free general purpose class library for the Java(tm) platform
03: * ========================================================================
04: *
05: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jcommon/index.html
08: *
09: * This library is free software; you can redistribute it and/or modify it
10: * under the terms of the GNU Lesser General Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but
15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: * License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22: * USA.
23: *
24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25: * in the United States and other countries.]
26: *
27: * ---------------------
28: * AttributeHandler.java
29: * ---------------------
30: * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
31: *
32: * Original Author: Thomas Morgner;
33: * Contributor(s): David Gilbert (for Object Refinery Limited);
34: *
35: * $Id: AttributeHandler.java,v 1.2 2005/10/18 13:30:16 mungady Exp $
36: *
37: * Changes
38: * -------
39: * 23.09.2003 : Initial version
40: *
41: */
42:
43: package org.jfree.xml.attributehandlers;
44:
45: /**
46: * An attribute handler is an object that can transform an object into a string or vice
47: * versa.
48: */
49: public interface AttributeHandler {
50:
51: /**
52: * Converts an object to an attribute value.
53: *
54: * @param o the object.
55: *
56: * @return the attribute value.
57: */
58: public String toAttributeValue(Object o);
59:
60: /**
61: * Converts a string to a property value.
62: *
63: * @param s the string.
64: *
65: * @return a property value.
66: */
67: public Object toPropertyValue(String s);
68:
69: }
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