01 /*
02 * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.annotation.processing;
27
28 import java.util.Arrays;
29
30 /**
31 * Utility class for assembling {@link Completion} objects.
32 *
33 * @author Joseph D. Darcy
34 * @author Scott Seligman
35 * @author Peter von der Ahé
36 * @version 1.8 07/05/05
37 * @since 1.6
38 */
39 public class Completions {
40 // No instances for you.
41 private Completions() {
42 }
43
44 private static class SimpleCompletion implements Completion {
45 private String value;
46 private String message;
47
48 SimpleCompletion(String value, String message) {
49 if (value == null || message == null)
50 throw new NullPointerException(
51 "Null completion strings not accepted.");
52 this .value = value;
53 this .message = message;
54 }
55
56 public String getValue() {
57 return value;
58 }
59
60 public String getMessage() {
61 return message;
62 }
63
64 @Override
65 public String toString() {
66 return "[\"" + value + "\", \"" + message + "\"]";
67 }
68 // Default equals and hashCode are fine.
69 }
70
71 /**
72 * Returns a completion of the value and message.
73 *
74 * @param value the text of the completion
75 * @param message a message about the completion
76 * @return a completion of the provided value and message
77 */
78 public static Completion of(String value, String message) {
79 return new SimpleCompletion(value, message);
80 }
81
82 /**
83 * Returns a completion of the value and an empty message
84 *
85 * @param value the text of the completion
86 * @return a completion of the value and an empty message
87 */
88 public static Completion of(String value) {
89 return new SimpleCompletion(value, "");
90 }
91 }
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