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Java > Open Source Codes > org > apache > commons > discovery > ResourceDiscover


1 /*
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3  *
4  * The Apache Software License, Version 1.1
5  *
6  * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
7  * reserved.
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10  * modification, are permitted provided that the following conditions
11  * are met:
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13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
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17  * notice, this list of conditions and the following disclaimer in
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21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowlegement:
23  * "This product includes software developed by the
24  * Apache Software Foundation (http://www.apache.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The names "The Jakarta Project", "Commons", and "Apache Software
29  * Foundation" must not be used to endorse or promote products derived
30  * from this software without prior written permission. For written
31  * permission, please contact apache@apache.org.
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39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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50  *
51  * This software consists of voluntary contributions made by many
52  * individuals on behalf of the Apache Software Foundation. For more
53  * information on the Apache Software Foundation, please see
54  * <http://www.apache.org/>.
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56  */
57
58 package org.apache.commons.discovery;
59
60 import org.apache.commons.discovery.resource.ClassLoaders;
61
62
63 /**
64  * @author Richard A. Sitze
65  */
66 public interface ResourceDiscover
67 {
68     /**
69      * Specify set of class loaders to be used in searching.
70      */
71     public void setClassLoaders(ClassLoaders loaders);
72
73     /**
74      * Specify a new class loader to be used in searching.
75      * The order of loaders determines the order of the result.
76      * It is recommended to add the most specific loaders first.
77      */
78     public void addClassLoader(ClassLoader JavaDoc loader);
79
80
81     public void setListener(ResourceListener listener);
82
83
84     /**
85      * Find named resources that are loadable by a class loader.
86      * Listener is notified of each resource found.
87      *
88      * @return FALSE if listener terminates discovery prematurely by
89      * returning false, otherwise TRUE.
90      */
91     public boolean find(String JavaDoc resourceName);
92 }
93
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