1 /***
2 * Copyright (c) 2003, 2004, Chess iT
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * - Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * - Neither the name of Chess iT, nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific
17 * prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32 package nl.chess.it.util.config.examples.simple;
33
34 import java.util.Iterator;
35
36 import nl.chess.it.util.config.ConfigValidationResult;
37
38
39 /***
40 * A simple example of the use of a {@link nl.chess.it.util.config.Config} class.
41 *
42 * @author Guus Bosman (Chess iT)
43 * @version $Revision: 1.1.1.1 $
44 */
45 public class SimpleApplication {
46 private static SimpleConfig config;
47
48 public static void main(String[] args) {
49 String sayingHi = getConfig().getWelcomeText();
50 boolean yesOrNo = getConfig().isThisANiceClass();
51 int numberOfDays = getConfig().getNumberOfDays();
52 java.net.URL url = getConfig().getNiceWebsite();
53 }
54
55 /***
56 * Returns always the same instance of a {@link SimpleConfig}.
57 *
58 * @return SimpleConfig. Never <code>null</code>.
59 */
60 private static SimpleConfig getConfig() {
61 if (config == null) {
62 config = new SimpleConfig(SimpleConfig.RESOURCE_NAME);
63
64 ConfigValidationResult configResult = config.validateConfiguration();
65
66 if (configResult.thereAreErrors()) {
67 System.out.println("Errors in configuration");
68
69 for (Iterator iter = configResult.getErrors().iterator(); iter.hasNext();) {
70 System.out.println(" > " + iter.next());
71 }
72
73 System.exit(1);
74 }
75
76 if (configResult.thereAreUnusedProperties()) {
77 System.out.println("Unused properties");
78
79 for (Iterator iter = configResult.getUnusedProperties().iterator(); iter.hasNext();) {
80 System.out.println(" > " + iter.next());
81 }
82 }
83 }
84
85 return config;
86 }
87 }