01: /******************************************************************************
02: * JBoss, a division of Red Hat *
03: * Copyright 2006, Red Hat Middleware, LLC, and individual *
04: * contributors as indicated by the @authors tag. See the *
05: * copyright.txt in the distribution for a full listing of *
06: * individual contributors. *
07: * *
08: * This is free software; you can redistribute it and/or modify it *
09: * under the terms of the GNU Lesser General Public License as *
10: * published by the Free Software Foundation; either version 2.1 of *
11: * the License, or (at your option) any later version. *
12: * *
13: * This software is distributed in the hope that it will be useful, *
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16: * Lesser General Public License for more details. *
17: * *
18: * You should have received a copy of the GNU Lesser General Public *
19: * License along with this software; if not, write to the Free *
20: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
21: * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
22: ******************************************************************************/package org.jboss.portal.faces.el.decorator;
23:
24: import org.jboss.portal.faces.el.PropertyValue;
25:
26: /**
27: * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
28: * @version $Revision: 8784 $
29: */
30: public interface BeanDecorator {
31: /**
32: * Return the type of the specified property.
33: *
34: * @param bean the decorated bean
35: * @param propertyName the property name
36: * @return the type of the specified property or null
37: * @throws IllegalArgumentException if the bean is null or the property name is null
38: */
39: Class getType(Object bean, Object propertyName)
40: throws IllegalArgumentException;
41:
42: /**
43: * Return the value of the specified property.
44: *
45: * @param bean the decorated bean
46: * @param propertyName the property name
47: * @return the property value
48: * @throws IllegalArgumentException if the bean is null or the property is null
49: */
50: PropertyValue getValue(Object bean, Object propertyName)
51: throws IllegalArgumentException;
52:
53: /**
54: * Set the value of the specified property.
55: *
56: * @param bean the decorated bean
57: * @param propertyName the property name
58: * @param value the new property value
59: * @return true if the property was succesfully set
60: * @throws IllegalArgumentException if the bean is null or the property name is null
61: */
62: boolean setValue(Object bean, Object propertyName, Object value)
63: throws IllegalArgumentException;
64: }
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