KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > catalina > loader > Reloader


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18
19 package org.apache.catalina.loader;
20
21
22 /**
23  * Internal interface that <code>ClassLoader</code> implementations may
24  * optionally implement to support the auto-reload functionality of
25  * the classloader associated with the context.
26  *
27  * @author Craig R. McClanahan
28  * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
29  */
30
31 public interface Reloader {
32
33
34     /**
35      * Add a new repository to the set of places this ClassLoader can look for
36      * classes to be loaded.
37      *
38      * @param repository Name of a source of classes to be loaded, such as a
39      * directory pathname, a JAR file pathname, or a ZIP file pathname
40      *
41      * @exception IllegalArgumentException if the specified repository is
42      * invalid or does not exist
43      */
44     public void addRepository(String JavaDoc repository);
45
46
47     /**
48      * Return a String array of the current repositories for this class
49      * loader. If there are no repositories, a zero-length array is
50      * returned.
51      */
52     public String JavaDoc[] findRepositories();
53
54
55     /**
56      * Have one or more classes or resources been modified so that a reload
57      * is appropriate?
58      */
59     public boolean modified();
60
61
62 }
63
Popular Tags