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: package com.sun.syndication.feed;
18:
19: /**
20: * @author Alejandro Abdelnur
21: */
22: public interface CopyFrom {
23:
24: /**
25: * Returns the interface the copyFrom works on.
26: * <p>
27: * This is useful when dealing with properties that may have multiple implementations.
28: * For example, Module.
29: * <p>
30: * @return the interface the copyFrom works on.
31: */
32: public Class getInterface();
33:
34: /**
35: * Copies all the properties of the given bean into this one.
36: * <p>
37: * Any existing properties in this bean are lost.
38: * <p>
39: * This method is useful for moving from one implementation of a bean interface to another.
40: * For example from the default SyndFeed bean implementation to a Hibernate ready implementation.
41: * <p>
42: * @param obj the instance to copy properties from.
43: *
44: */
45: public void copyFrom(Object obj);
46:
47: }
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