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1 /*
2  * $Id: EnumProperty.java,v 1.5.2.1 2003/02/25 12:56:54 jeremias Exp $
3  * ============================================================================
4  * The Apache Software License, Version 1.1
5  * ============================================================================
6  *
7  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without modifica-
10  * tion, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if any, must
20  * include the following acknowledgment: "This product includes software
21  * developed by the Apache Software Foundation (http://www.apache.org/)."
22  * Alternately, this acknowledgment may appear in the software itself, if
23  * and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. The names "FOP" and "Apache Software Foundation" must not be used to
26  * endorse or promote products derived from this software without prior
27  * written permission. For written permission, please contact
28  * apache@apache.org.
29  *
30  * 5. Products derived from this software may not be called "Apache", nor may
31  * "Apache" appear in their name, without prior written permission of the
32  * Apache Software Foundation.
33  *
34  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
37  * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
39  * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  * ============================================================================
45  *
46  * This software consists of voluntary contributions made by many individuals
47  * on behalf of the Apache Software Foundation and was originally created by
48  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
49  * Software Foundation, please see <http://www.apache.org/>.
50  */
51 package org.apache.fop.fo;
52
53 import org.apache.fop.apps.FOPException;
54 import org.apache.fop.messaging.MessageHandler;
55
56 public class EnumProperty extends Property {
57
58     public static class Maker extends Property.Maker {
59
60         protected Maker(String JavaDoc propName) {
61             super(propName);
62         }
63
64
65         /**
66          * Called by subclass if no match found.
67          */
68         public Property checkEnumValues(String JavaDoc value) {
69             MessageHandler.errorln("Unknown enumerated value for property '"
70                                    + getPropName() + "': " + value);
71             return null;
72         }
73
74         protected Property findConstant(String JavaDoc value) {
75             return null;
76         }
77
78         public Property convertProperty(Property p,
79                                         PropertyList propertyList,
80                                         FObj fo) throws FOPException {
81             if (p instanceof EnumProperty)
82                 return p;
83             else
84                 return null;
85         }
86
87     }
88
89     private int value;
90
91     public EnumProperty(int explicitValue) {
92         this.value = explicitValue;
93     }
94
95     public int getEnum() {
96         return this.value;
97     }
98
99     public Object JavaDoc getObject() {
100         // FIXME: return String value: property must reference maker
101 // return maker.getEnumValue(this.value);
102 return new Integer JavaDoc(this.value);
103     }
104
105 }
106
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