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Java > Open Source Codes > org > codehaus > dna > ResourceLocator


1 /*
2  * Copyright (C) The DNA Group. All rights reserved.
3  *
4  * This software is published under the terms of the DNA
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.codehaus.dna;
9
10 /**
11  * This is the interface via which component
12  * resources can be accessed via keys.
13  *
14  * @version $Revision: 1.2 $ $Date: 2004/05/01 09:51:48 $
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 JavaDoc lookup( String JavaDoc 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 JavaDoc key );
36 }
37
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