01: /*
02: * $Id: MetaProperty.java 4287 2006-12-01 13:00:13Z blackdrag $
03: *
04: * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
05: *
06: * Redistribution and use of this software and associated documentation
07: * ("Software"), with or without modification, are permitted provided that the
08: * following conditions are met:
09: * 1. Redistributions of source code must retain copyright statements and
10: * notices. Redistributions must also contain a copy of this document.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. The name "groovy" must not be used to endorse or promote products
15: * derived from this Software without prior written permission of The Codehaus.
16: * For written permission, please contact info@codehaus.org.
17: * 4. Products derived from this Software may not be called "groovy" nor may
18: * "groovy" appear in their names without prior written permission of The
19: * Codehaus. "groovy" is a registered trademark of The Codehaus.
20: * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
23: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25: * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
26: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
32: * DAMAGE.
33: *
34: */
35: package groovy.lang;
36:
37: import java.lang.reflect.Modifier;
38:
39: /**
40: * Represents a property on a bean which may have a getter and/or a setter
41: *
42: * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
43: * @version $Revision: 4287 $
44: */
45: public abstract class MetaProperty {
46:
47: protected String name;
48: protected Class type;
49:
50: public MetaProperty(String name, Class type) {
51: this .name = name;
52: this .type = type;
53: }
54:
55: /**
56: * @return the property of the given object
57: * @throws Exception if the property could not be evaluated
58: */
59: public abstract Object getProperty(Object object);
60:
61: /**
62: * Sets the property on the given object to the new value
63: *
64: * @param object on which to set the property
65: * @param newValue the new value of the property
66: * @throws RuntimeException if the property could not be set
67: */
68: public abstract void setProperty(Object object, Object newValue);
69:
70: public String getName() {
71: return name;
72: }
73:
74: /**
75: * @return the type of the property
76: */
77: public Class getType() {
78: return type;
79: }
80:
81: public int getModifiers() {
82: return Modifier.PUBLIC;
83: }
84:
85: }
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