01: /*
02: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Kernel/Sources/es/udc/mypersonalizer/kernel/model/annotators/Annotations.java,v 1.1.1.1 2004/03/25 12:08:37 fbellas Exp $
03: * $Revision: 1.1.1.1 $
04: * $Date: 2004/03/25 12:08:37 $
05: *
06: * =============================================================================
07: *
08: * Copyright (c) 2003, The MyPersonalizer Development Group
09: * (http://www.tic.udc.es/~fbellas/mypersonalizer/index.html) at
10: * University Of A Coruņa
11: * All rights reserved.
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions are met:
15: *
16: * - Redistributions of source code must retain the above copyright notice,
17: * this list of conditions and the following disclaimer.
18: *
19: * - Redistributions in binary form must reproduce the above copyright notice,
20: * this list of conditions and the following disclaimer in the documentation
21: * and/or other materials provided with the distribution.
22: *
23: * - Neither the name of the University Of A Coruņa nor the names of its
24: * contributors may be used to endorse or promote products derived from
25: * this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: *
39: */
40:
41: package es.udc.mypersonalizer.kernel.model.annotators;
42:
43: import java.io.Serializable;
44: import java.util.HashMap;
45: import java.util.Map;
46:
47: /**
48: * Class repressenting a set of annotations.
49: * <p>
50: * Each annotation is set with a name and a value, and can be retrieved
51: * by name.
52: *
53: * @author Abel Muinho
54: * @since 1.0
55: */
56: public class Annotations implements Serializable {
57:
58: /**
59: * For interoperability with possible future changes.
60: *
61: */
62: private static final long serialVersionUID = 2653133857146861999L;
63:
64: /**
65: * Map fo reach individual annotation.
66: * @serial
67: */
68: private Map properties = new HashMap();
69:
70: /**
71: * Adds an annotation with the given name and value.
72: * @param name the name of the annotation.
73: * @param value the value of the annotation. Using <code>null</code>
74: * deletes the annotation.
75: */
76: public void set(String name, String value) {
77: /* There's no need to explicitly delete the annotation, the
78: * null value will be returned by the get method. */
79: properties.put(name, value);
80: }
81:
82: /**
83: * Obtains the value of an annotation given its name.
84: * @param name the name of the annotation.
85: * @return the value assigned to the annotation, or <code>null</code> if
86: * the annotation does not exist.
87: */
88: public String get(String name) {
89: return (String) properties.get(name);
90: }
91: }
|