1 /*
2 * Copyright (C) The JContainer Group. All rights reserved.
3 *
4 * This software is published under the terms of the JContainer
5 * Software License version 1.1, a copy of which has been included
6 * with this distribution in the LICENSE.txt file.
7 */
8 package org.jcontainer.dna;
9
10 /***
11 * This is the interface via which component
12 * resources can be accessed via keys.
13 *
14 * @version $Revision: 1.4 $ $Date: 2003/09/23 08:10:14 $
15 */
16 public interface ResourceLocator
17 {
18 /***
19 * Return resource registered with specified key.
20 *
21 * @param key the key
22 * @return the resource
23 * @throws MissingResourceException if unable to locate
24 * resource with specified key
25 */
26 Object lookup( String key )
27 throws MissingResourceException;
28
29 /***
30 * Return true if a resource exists with specified key.
31 *
32 * @param key the key
33 * @return true if a resource exists with specified key.
34 */
35 boolean contains( String key );
36 }
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