1 package org.codehaus.classworlds;
2
3 /*
4
5 Copyright 2002 (C) The Werken Company. All Rights Reserved.
6
7 Redistribution and use of this software and associated documentation
8 ("Software"), with or without modification, are permitted provided
9 that the following conditions are met:
10
11 1. Redistributions of source code must retain copyright
12 statements and notices. Redistributions must also contain a
13 copy of this document.
14
15 2. Redistributions in binary form must reproduce the
16 above copyright notice, this list of conditions and the
17 following disclaimer in the documentation and/or other
18 materials provided with the distribution.
19
20 3. The name "classworlds" must not be used to endorse or promote
21 products derived from this Software without prior written
22 permission of The Werken Company. For written permission,
23 please contact bob@werken.com.
24
25 4. Products derived from this Software may not be called "classworlds"
26 nor may "classworlds" appear in their names without prior written
27 permission of The Werken Company. "classworlds" is a registered
28 trademark of The Werken Company.
29
30 5. Due credit should be given to The Werken Company.
31 (http://classworlds.werken.com/).
32
33 THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS
34 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
35 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
37 THE WERKEN COMPANY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
39 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
40 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
42 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
43 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
44 OF THE POSSIBILITY OF SUCH DAMAGE.
45
46 */
47
48 import java.io.IOException;
49 import java.io.InputStream;
50 import java.net.URL;
51 import java.util.Enumeration;
52
53 /**
54 * Autonomous sub-portion of a <code>ClassWorld</code>.
55 * <p/>
56 * <p/>
57 * This class most closed maps to the <code>ClassLoader</code>
58 * role from Java and in facts can provide a <code>ClassLoader</code>
59 * view of itself using {@link #getClassLoader}.
60 * </p>
61 *
62 * @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a>
63 * @author <a href="mailto:jason@zenplex.com">Jason van Zyl</a>
64 */
65 @Deprecated
66 public interface ClassRealm
67 {
68 String getId();
69
70 ClassWorld getWorld();
71
72 void importFrom( String realmId, String pkgName )
73 throws NoSuchRealmException;
74
75 void addConstituent( URL constituent );
76
77 ClassRealm locateSourceRealm( String className );
78
79 void setParent( ClassRealm classRealm );
80
81 ClassRealm createChildRealm( String id )
82 throws DuplicateRealmException;
83
84 ClassLoader getClassLoader();
85
86 ClassRealm getParent();
87
88 URL[] getConstituents();
89
90 // ----------------------------------------------------------------------
91 // Classloading
92 // ----------------------------------------------------------------------
93
94 Class loadClass( String name )
95 throws ClassNotFoundException;
96
97 // ----------------------------------------------------------------------
98 // Resource handling
99 // ----------------------------------------------------------------------
100
101 URL getResource( String name );
102
103 Enumeration findResources( String name )
104 throws IOException;
105
106 InputStream getResourceAsStream( String name );
107
108 void display();
109 }
110