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 }