01: /*
02: * Copyright (c) 2002-2008 Gargoyle Software Inc. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * 1. Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: * 2. Redistributions in binary form must reproduce the above copyright notice,
10: * this list of conditions and the following disclaimer in the documentation
11: * and/or other materials provided with the distribution.
12: * 3. The end-user documentation included with the redistribution, if any, must
13: * include the following acknowledgment:
14: *
15: * "This product includes software developed by Gargoyle Software Inc.
16: * (http://www.GargoyleSoftware.com/)."
17: *
18: * Alternately, this acknowledgment may appear in the software itself, if
19: * and wherever such third-party acknowledgments normally appear.
20: * 4. The name "Gargoyle Software" must not be used to endorse or promote
21: * products derived from this software without prior written permission.
22: * For written permission, please contact info@GargoyleSoftware.com.
23: * 5. Products derived from this software may not be called "HtmlUnit", nor may
24: * "HtmlUnit" appear in their name, without prior written permission of
25: * Gargoyle Software Inc.
26: *
27: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
28: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
29: * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARGOYLE
30: * SOFTWARE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
31: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
33: * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
36: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37: */
38: package com.gargoylesoftware.htmlunit.javascript;
39:
40: import org.mozilla.javascript.Scriptable;
41:
42: /**
43: * Provides a clean way to specify a fallback property getter when the "normal way" failed.
44: * Most properties are "cleanly" defined but some host objects like Document or Window are
45: * able to return a value that has not been configured as a property (ex: the DOM node whose
46: * ID or name matches the property name).
47: *
48: * @version $Revision: 2132 $
49: * @author Marc Guillemot
50: */
51: public interface ScriptableWithFallbackGetter extends Scriptable {
52: /**
53: * Fallback called when no configured property is found with the given name
54: * on the {@link Scriptable} object.
55: * @param name the name of the requested property
56: * @return the object value, {@link Scriptable#NOT_FOUND} if nothing is found
57: */
58: Object getWithFallback(final String name);
59: }
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