01: /*
02: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
03: * Copyright (C) 2002-2005 NextApp, Inc.
04: *
05: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
06: *
07: * The contents of this file are subject to the Mozilla Public License Version
08: * 1.1 (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: * http://www.mozilla.org/MPL/
11: *
12: * Software distributed under the License is distributed on an "AS IS" basis,
13: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14: * for the specific language governing rights and limitations under the
15: * License.
16: *
17: * Alternatively, the contents of this file may be used under the terms of
18: * either the GNU General Public License Version 2 or later (the "GPL"), or
19: * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20: * in which case the provisions of the GPL or the LGPL are applicable instead
21: * of those above. If you wish to allow use of your version of this file only
22: * under the terms of either the GPL or the LGPL, and not to allow others to
23: * use your version of this file under the terms of the MPL, indicate your
24: * decision by deleting the provisions above and replace them with the notice
25: * and other provisions required by the GPL or the LGPL. If you do not delete
26: * the provisions above, a recipient may use your version of this file under
27: * the terms of any one of the MPL, the GPL or the LGPL.
28: */
29:
30: package nextapp.echo2.app;
31:
32: import java.io.Serializable;
33: import java.util.Iterator;
34:
35: /**
36: * A representation of stylistic property information about a single instance
37: * or type of component.
38: */
39: public interface Style extends Serializable {
40:
41: /**
42: * Retrieves the value of the specified indexed property.
43: */
44: public Object getIndexedProperty(String propertyName, int index);
45:
46: /**
47: * Retrieves the value of the specified property.
48: */
49: public Object getProperty(String propertyName);
50:
51: /**
52: * Determines which indices of a particular property are set.
53: *
54: * @return an <code>Iterator</code> that returns the set indices in
55: * incrementing order as <code>Integer</code>s
56: */
57: public Iterator getPropertyIndices(String propertyName);
58:
59: /**
60: * Retrieves the names of all set properties.
61: *
62: * @return an <code>Iterator</code> that returns the names of all set
63: * properties
64: */
65: public Iterator getPropertyNames();
66:
67: /**
68: * Determines if a particular index of an indexed property is set.
69: *
70: * @param propertyName the property name
71: * @param index the index
72: * @return true if the index is set
73: */
74: public boolean isIndexedPropertySet(String propertyName, int index);
75:
76: /**
77: * Determines if a particular property is set.
78: * In the case of an indexed property, this method will return true
79: * if any indices are set.
80: *
81: * @param propertyName the property name
82: * @return true if the property is set
83: */
84: public boolean isPropertySet(String propertyName);
85: }
|