Java tutorial
/* * @(#)folderlist.java 1.30 05/04/10 * * Copyright 1996-2005 Sun Microsystems, Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Sun Microsystems, Inc. or the names of contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES * SUFFERED BY LICENSEE AS A RESULT OF OR RELATING TO USE, MODIFICATION * OR DISTRIBUTION OF THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, * ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of any * nuclear facility. */ import java.util.Properties; import javax.mail.Folder; import javax.mail.Session; import javax.mail.Store; import javax.mail.URLName; import com.sun.mail.imap.IMAPFolder; /** * Demo app that exercises the Message interfaces. List information about * folders. * * @author John Mani * @author Bill Shannon */ public class MainClass { static String protocol = null; static String host = null; static String user = null; static String password = null; static String url = null; static String root = null; static String pattern = "%"; static boolean recursive = false; static boolean verbose = false; static boolean debug = false; public static void main(String argv[]) throws Exception { int optind; for (optind = 0; optind < argv.length; optind++) { if (argv[optind].equals("-T")) { protocol = argv[++optind]; } else if (argv[optind].equals("-H")) { host = argv[++optind]; } else if (argv[optind].equals("-U")) { user = argv[++optind]; } else if (argv[optind].equals("-P")) { password = argv[++optind]; } else if (argv[optind].equals("-L")) { url = argv[++optind]; } else if (argv[optind].equals("-R")) { root = argv[++optind]; } else if (argv[optind].equals("-r")) { recursive = true; } else if (argv[optind].equals("-v")) { verbose = true; } else if (argv[optind].equals("-D")) { debug = true; } else if (argv[optind].equals("--")) { optind++; break; } else if (argv[optind].startsWith("-")) { System.out.println("Usage: folderlist [-T protocol] [-H host] [-U user] [-P password] [-L url]"); System.out.println("\t[-R root] [-r] [-v] [-D] [pattern]"); System.exit(1); } else { break; } } if (optind < argv.length) pattern = argv[optind]; // Get a Properties object Properties props = System.getProperties(); // Get a Session object Session session = Session.getInstance(props, null); session.setDebug(debug); // Get a Store object Store store = null; Folder rf = null; if (url != null) { URLName urln = new URLName(url); store = session.getStore(urln); store.connect(); } else { if (protocol != null) store = session.getStore(protocol); else store = session.getStore(); // Connect if (host != null || user != null || password != null) store.connect(host, user, password); else store.connect(); } // List namespace if (root != null) rf = store.getFolder(root); else rf = store.getDefaultFolder(); dumpFolder(rf, false, ""); if ((rf.getType() & Folder.HOLDS_FOLDERS) != 0) { Folder[] f = rf.list(pattern); for (int i = 0; i < f.length; i++) dumpFolder(f[i], recursive, " "); } store.close(); } static void dumpFolder(Folder folder, boolean recurse, String tab) throws Exception { System.out.println(tab + "Name: " + folder.getName()); System.out.println(tab + "Full Name: " + folder.getFullName()); System.out.println(tab + "URL: " + folder.getURLName()); if (verbose) { if (!folder.isSubscribed()) System.out.println(tab + "Not Subscribed"); if ((folder.getType() & Folder.HOLDS_MESSAGES) != 0) { if (folder.hasNewMessages()) System.out.println(tab + "Has New Messages"); System.out.println(tab + "Total Messages: " + folder.getMessageCount()); System.out.println(tab + "New Messages: " + folder.getNewMessageCount()); System.out.println(tab + "Unread Messages: " + folder.getUnreadMessageCount()); } if ((folder.getType() & Folder.HOLDS_FOLDERS) != 0) System.out.println(tab + "Is Directory"); /* * Demonstrate use of IMAP folder attributes returned by the IMAP LIST * response. */ if (folder instanceof IMAPFolder) { IMAPFolder f = (IMAPFolder) folder; String[] attrs = f.getAttributes(); if (attrs != null && attrs.length > 0) { System.out.println(tab + "IMAP Attributes:"); for (int i = 0; i < attrs.length; i++) System.out.println(tab + " " + attrs[i]); } } } System.out.println(); if ((folder.getType() & Folder.HOLDS_FOLDERS) != 0) { if (recurse) { Folder[] f = folder.list(); for (int i = 0; i < f.length; i++) dumpFolder(f[i], recurse, tab + " "); } } } }