monitor.java

短信发送

/*
 * @(#)monitor.java	1.10 07/07/06
 *
 * Copyright 1996-2007 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.
 *
 *   - Redistributions 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 nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jdev.mail.samples;

import java.util.*;
import java.io.*;
import javax.mail.*;
import javax.mail.event.*; //import javax.activation.*;

import com.sun.mail.imap.*;

/* Monitors given mailbox for new mail */

public class monitor {

	public static void main(String argv[]) {
		if (argv.length != 5) {
			System.out
					.println("Usage: monitor <host> <user> <password> <mbox> <freq>");
			System.exit(1);
		}
		System.out.println("\nTesting monitor\n");

		try {
			Properties props = System.getProperties();

			// Get a Session object
			Session session = Session.getInstance(props, null);
			// session.setDebug(true);

			// Get a Store object
			Store store = session.getStore("imap");

			// Connect
			store.connect(argv[0], argv[1], argv[2]);

			// Open a Folder
			Folder folder = store.getFolder(argv[3]);
			if (folder == null || !folder.exists()) {
				System.out.println("Invalid folder");
				System.exit(1);
			}

			folder.open(Folder.READ_WRITE);

			// Add messageCountListener to listen for new messages
			folder.addMessageCountListener(new MessageCountAdapter() {
				public void messagesAdded(MessageCountEvent ev) {
					Message[] msgs = ev.getMessages();
					System.out.println("Got " + msgs.length + " new messages");

					// Just dump out the new messages
					for (int i = 0; i < msgs.length; i++) {
						try {
							System.out.println("-----");
							System.out.println("Message "
									+ msgs[i].getMessageNumber() + ":");
							msgs[i].writeTo(System.out);
						} catch (IOException ioex) {
							ioex.printStackTrace();
						} catch (MessagingException mex) {
							mex.printStackTrace();
						}
					}
				}
			});

			// Check mail once in "freq" MILLIseconds
			int freq = Integer.parseInt(argv[4]);
			boolean supportsIdle = false;
			try {
				if (folder instanceof IMAPFolder) {
					IMAPFolder f = (IMAPFolder) folder;
					f.idle();
					supportsIdle = true;
				}
			} catch (FolderClosedException fex) {
				throw fex;
			} catch (MessagingException mex) {
				supportsIdle = false;
			}
			for (;;) {
				if (supportsIdle && folder instanceof IMAPFolder) {
					IMAPFolder f = (IMAPFolder) folder;
					f.idle();
					System.out.println("IDLE done");
				} else {
					Thread.sleep(freq); // sleep for freq milliseconds

					// This is to force the IMAP server to send us
					// EXISTS notifications. 
					folder.getMessageCount();
				}
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
}