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1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2000 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: DatabaseFilter.java,v 1.2 2003/08/07 13:32:59 tanderson Exp $ 44 * 45 * Date Author Changes 46 * $Date jimm Created 47 */ 48 49 50 package org.exolab.jms.jndiadministration; 51 52 import java.io.File; 53 54 import javax.swing.filechooser.FileFilter; 55 56 57 /*** 58 * A file filter used by the file chooser to resitrict displayed files 59 * to files with a ".db" suffix only. 60 * 61 * @version $Revision: 1.2 $ $Date: 2003/08/07 13:32:59 $ 62 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a> 63 **/ 64 65 66 public class DatabaseFilter extends FileFilter { 67 68 /*** 69 * The default constructor does nothing. 70 * 71 */ 72 public DatabaseFilter() { 73 74 } 75 76 77 /*** 78 * All files in a directory are passed to this method to determine 79 * if they should be displayed. 80 * The method will allow the display of all directories and all files 81 * with the "*.db" suffix. 82 * 83 * @param f The file to be checked for display. 84 * @return boolean true if the file should be displayed. 85 * 86 */ 87 public boolean accept(File f) { 88 boolean accept = f.isDirectory(); 89 90 if (!accept) { 91 String suffix = getSuffix(f); 92 93 if (suffix != null) { 94 accept = suffix.equals("db"); 95 } 96 } 97 return accept; 98 } 99 100 /*** 101 * The file suffix to allow display. 102 * 103 * @return String The suffix of all files which can be displayed 104 * 105 */ 106 public String getDescription() { 107 return "Database Files(*.db)"; 108 } 109 110 111 /*** 112 * Get the suffix of the given file. If the file has no suffix return null 113 * 114 * @param f The file to check. 115 * @return String the file suffix 116 * 117 */ 118 public String getSuffix(File f) { 119 String s = f.getPath(); 120 String suffix = null; 121 122 int i = s.lastIndexOf('.'); 123 if (i > 0 && i < s.length() - 1) { 124 suffix = s.substring(i + 1).toLowerCase(); 125 } 126 return suffix; 127 } 128 129 130 } // End DatabaseFilter

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