01: /*
02: * Copyright 2004 Sun Microsystems, Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: *
16: */
17:
18: package com.sun.syndication.feed.module;
19:
20: import java.util.List;
21:
22: /**
23: * Objects that can have modules are Extendable.
24: * @author Dave Johnson
25: */
26: public interface Extendable {
27:
28: /**
29: * Returns the module identified by a given URI.
30: * <p>
31: * @param uri the URI of the ModuleImpl.
32: * @return The module with the given URI, <b>null</b> if none.
33: */
34: public Module getModule(String uri);
35:
36: /**
37: * Returns the entry modules.
38: * <p>
39: * @return a list of ModuleImpl elements with the entry modules,
40: * an empty list if none.
41: *
42: */
43: List getModules();
44:
45: /**
46: * Sets the entry modules.
47: * <p>
48: * @param modules the list of ModuleImpl elements with the entry modules to set,
49: * an empty list or <b>null</b> if none.
50: *
51: */
52: void setModules(List modules);
53: }
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