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: * StringObjectDescription.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: StringObjectDescription.java,v 1.3 2005/11/14 11:04:24 mungady Exp $
36: *
37: * Changes (from 19-Feb-2003)
38: * -------------------------
39: * 19-Feb-2003 : Added standard header and Javadocs (DG);
40: * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon
41: *
42: */
43:
44: package org.jfree.xml.factory.objects;
45:
46: /**
47: * An object-description for a <code>String</code> object.
48: *
49: * @author Thomas Morgner
50: */
51: public class StringObjectDescription extends AbstractObjectDescription {
52:
53: /**
54: * Creates a new object description.
55: */
56: public StringObjectDescription() {
57: super (String.class);
58: setParameterDefinition("value", String.class);
59: }
60:
61: /**
62: * Creates an object based on this description.
63: *
64: * @return The object.
65: */
66: public Object createObject() {
67: final String o = (String) getParameter("value");
68: return String.valueOf(o);
69: }
70:
71: /**
72: * Sets the parameters of this description object to match the supplied object.
73: *
74: * @param o the object (should be an instance of <code>String</code>).
75: *
76: * @throws ObjectFactoryException if the object is not an instance of <code>String</code>.
77: */
78: public void setParameterFromObject(final Object o)
79: throws ObjectFactoryException {
80: if (!(o instanceof String)) {
81: throw new ObjectFactoryException(
82: "The given object is no java.lang.String.");
83: }
84:
85: setParameter("value", String.valueOf(o));
86: }
87: }
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