01: /*
02: * Copyright 1999-2004 The Apache Software Foundation
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: package org.apache.commons.jxpath;
17:
18: /**
19: * A Container is an object implementing an indirection
20: * mechanism transparent to JXPath. For example, if property
21: * "foo" of the context node has a Container as its value,
22: * the XPath "foo" will produce the contents of that Container,
23: * rather than the container itself.
24: *
25: * @author Dmitri Plotnikov
26: * @version $Revision: 1.6 $ $Date: 2004/02/29 14:17:42 $
27: */
28: public interface Container {
29:
30: /**
31: * Returns the contained value.
32: */
33: Object getValue();
34:
35: /**
36: * Modifies the value contained by this container. May throw
37: * UnsupportedOperationException.
38: */
39: void setValue(Object value);
40: }
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