msgshow.java
资源名称:某公司的java培训教材 [点击查看]
上传用户:dinglihq
上传日期:2013-02-04
资源大小:99958k
文件大小:12k
源码类别:
Java编程
开发平台:
Java
- /*
- * @(#)msgshow.java 1.30 03/04/22
- *
- * Copyright 1997-2003 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.*;
- import java.io.*;
- import javax.mail.*;
- import javax.mail.event.*;
- import javax.mail.internet.*;
- import javax.activation.*;
- /*
- * Demo app that exercises the Message interfaces.
- * Show information about and contents of messages.
- *
- * @author John Mani
- * @author Bill Shannon
- */
- public class msgshow {
- static String protocol;
- static String host = null;
- static String user = null;
- static String password = null;
- static String mbox = "INBOX";
- static String url = null;
- static int port = -1;
- static boolean verbose = false;
- static boolean debug = false;
- static boolean showStructure = false;
- static boolean showMessage = false;
- static boolean showAlert = false;
- static boolean saveAttachments = false;
- static int attnum = 1;
- public static void main(String argv[]) {
- int msgnum = -1;
- int optind;
- InputStream msgStream = System.in;
- 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("-v")) {
- verbose = true;
- } else if (argv[optind].equals("-D")) {
- debug = true;
- } else if (argv[optind].equals("-f")) {
- mbox = argv[++optind];
- } else if (argv[optind].equals("-L")) {
- url = argv[++optind];
- } else if (argv[optind].equals("-p")) {
- port = Integer.parseInt(argv[++optind]);
- } else if (argv[optind].equals("-s")) {
- showStructure = true;
- } else if (argv[optind].equals("-S")) {
- saveAttachments = true;
- } else if (argv[optind].equals("-m")) {
- showMessage = true;
- } else if (argv[optind].equals("-a")) {
- showAlert = true;
- } else if (argv[optind].equals("--")) {
- optind++;
- break;
- } else if (argv[optind].startsWith("-")) {
- System.out.println(
- "Usage: msgshow [-L url] [-T protocol] [-H host] [-p port] [-U user]");
- System.out.println(
- "t[-P password] [-f mailbox] [msgnum] [-v] [-D] [-s] [-S] [-a]");
- System.out.println(
- "or msgshow -m [-v] [-D] [-s] [-S] < msg");
- System.exit(1);
- } else {
- break;
- }
- }
- try {
- if (optind < argv.length)
- msgnum = Integer.parseInt(argv[optind]);
- // Get a Properties object
- Properties props = System.getProperties();
- // Get a Session object
- Session session = Session.getInstance(props, null);
- session.setDebug(debug);
- if (showMessage) {
- MimeMessage msg = new MimeMessage(session, msgStream);
- dumpPart(msg);
- System.exit(0);
- }
- // Get a Store object
- Store store = null;
- if (url != null) {
- URLName urln = new URLName(url);
- store = session.getStore(urln);
- if (showAlert) {
- store.addStoreListener(new StoreListener() {
- public void notification(StoreEvent e) {
- String s;
- if (e.getMessageType() == StoreEvent.ALERT)
- s = "ALERT: ";
- else
- s = "NOTICE: ";
- System.out.println(s + e.getMessage());
- }
- });
- }
- 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, port, user, password);
- else
- store.connect();
- }
- // Open the Folder
- Folder folder = store.getDefaultFolder();
- if (folder == null) {
- System.out.println("No default folder");
- System.exit(1);
- }
- folder = folder.getFolder(mbox);
- if (folder == null) {
- System.out.println("Invalid folder");
- System.exit(1);
- }
- // try to open read/write and if that fails try read-only
- try {
- folder.open(Folder.READ_WRITE);
- } catch (MessagingException ex) {
- folder.open(Folder.READ_ONLY);
- }
- int totalMessages = folder.getMessageCount();
- if (totalMessages == 0) {
- System.out.println("Empty folder");
- folder.close(false);
- store.close();
- System.exit(1);
- }
- if (verbose) {
- int newMessages = folder.getNewMessageCount();
- System.out.println("Total messages = " + totalMessages);
- System.out.println("New messages = " + newMessages);
- System.out.println("-------------------------------");
- }
- if (msgnum == -1) {
- // Attributes & Flags for all messages ..
- Message[] msgs = folder.getMessages();
- // Use a suitable FetchProfile
- FetchProfile fp = new FetchProfile();
- fp.add(FetchProfile.Item.ENVELOPE);
- fp.add(FetchProfile.Item.FLAGS);
- fp.add("X-Mailer");
- folder.fetch(msgs, fp);
- for (int i = 0; i < msgs.length; i++) {
- System.out.println("--------------------------");
- System.out.println("MESSAGE #" + (i + 1) + ":");
- dumpEnvelope(msgs[i]);
- // dumpPart(msgs[i]);
- }
- } else {
- System.out.println("Getting message number: " + msgnum);
- Message m = null;
- try {
- m = folder.getMessage(msgnum);
- dumpPart(m);
- } catch (IndexOutOfBoundsException iex) {
- System.out.println("Message number out of range");
- }
- }
- folder.close(false);
- store.close();
- } catch (Exception ex) {
- System.out.println("Oops, got exception! " + ex.getMessage());
- ex.printStackTrace();
- System.exit(1);
- }
- System.exit(0);
- }
- public static void dumpPart(Part p) throws Exception {
- if (p instanceof Message)
- dumpEnvelope((Message)p);
- /** Dump input stream ..
- InputStream is = p.getInputStream();
- // If "is" is not already buffered, wrap a BufferedInputStream
- // around it.
- if (!(is instanceof BufferedInputStream))
- is = new BufferedInputStream(is);
- int c;
- while ((c = is.read()) != -1)
- System.out.write(c);
- **/
- String ct = p.getContentType();
- try {
- pr("CONTENT-TYPE: " + (new ContentType(ct)).toString());
- } catch (ParseException pex) {
- pr("BAD CONTENT-TYPE: " + ct);
- }
- String filename = p.getFileName();
- if (filename != null)
- pr("FILENAME: " + filename);
- /*
- * Using isMimeType to determine the content type avoids
- * fetching the actual content data until we need it.
- */
- if (p.isMimeType("text/plain")) {
- pr("This is plain text");
- pr("---------------------------");
- if (!showStructure && !saveAttachments)
- System.out.println((String)p.getContent());
- } else if (p.isMimeType("multipart/*")) {
- pr("This is a Multipart");
- pr("---------------------------");
- Multipart mp = (Multipart)p.getContent();
- level++;
- int count = mp.getCount();
- for (int i = 0; i < count; i++)
- dumpPart(mp.getBodyPart(i));
- level--;
- } else if (p.isMimeType("message/rfc822")) {
- pr("This is a Nested Message");
- pr("---------------------------");
- level++;
- dumpPart((Part)p.getContent());
- level--;
- } else {
- if (!showStructure && !saveAttachments) {
- /*
- * If we actually want to see the data, and it's not a
- * MIME type we know, fetch it and check its Java type.
- */
- Object o = p.getContent();
- if (o instanceof String) {
- pr("This is a string");
- pr("---------------------------");
- System.out.println((String)o);
- } else if (o instanceof InputStream) {
- pr("This is just an input stream");
- pr("---------------------------");
- InputStream is = (InputStream)o;
- int c;
- while ((c = is.read()) != -1)
- System.out.write(c);
- } else {
- pr("This is an unknown type");
- pr("---------------------------");
- pr(o.toString());
- }
- } else {
- // just a separator
- pr("---------------------------");
- }
- }
- /*
- * If we're saving attachments, write out anything that
- * looks like an attachment into an appropriately named
- * file. Don't overwrite existing files to prevent
- * mistakes.
- */
- if (saveAttachments && level != 0 && !p.isMimeType("multipart/*")) {
- String disp = p.getDisposition();
- // many mailers don't include a Content-Disposition
- if (disp == null || disp.equalsIgnoreCase(Part.ATTACHMENT)) {
- if (filename == null)
- filename = "Attachment" + attnum++;
- pr("Saving attachment to file " + filename);
- try {
- File f = new File(filename);
- if (f.exists())
- // XXX - could try a series of names
- throw new IOException("file exists");
- OutputStream os =
- new BufferedOutputStream(new FileOutputStream(f));
- InputStream is = p.getInputStream();
- int c;
- while ((c = is.read()) != -1)
- os.write(c);
- os.close();
- } catch (IOException ex) {
- pr("Failed to save attachment: " + ex);
- }
- pr("---------------------------");
- }
- }
- }
- public static void dumpEnvelope(Message m) throws Exception {
- pr("This is the message envelope");
- pr("---------------------------");
- Address[] a;
- // FROM
- if ((a = m.getFrom()) != null) {
- for (int j = 0; j < a.length; j++)
- pr("FROM: " + a[j].toString());
- }
- // TO
- if ((a = m.getRecipients(Message.RecipientType.TO)) != null) {
- for (int j = 0; j < a.length; j++)
- pr("TO: " + a[j].toString());
- }
- // SUBJECT
- pr("SUBJECT: " + m.getSubject());
- // DATE
- Date d = m.getSentDate();
- pr("SendDate: " +
- (d != null ? d.toString() : "UNKNOWN"));
- // FLAGS
- Flags flags = m.getFlags();
- StringBuffer sb = new StringBuffer();
- Flags.Flag[] sf = flags.getSystemFlags(); // get the system flags
- boolean first = true;
- for (int i = 0; i < sf.length; i++) {
- String s;
- Flags.Flag f = sf[i];
- if (f == Flags.Flag.ANSWERED)
- s = "\Answered";
- else if (f == Flags.Flag.DELETED)
- s = "\Deleted";
- else if (f == Flags.Flag.DRAFT)
- s = "\Draft";
- else if (f == Flags.Flag.FLAGGED)
- s = "\Flagged";
- else if (f == Flags.Flag.RECENT)
- s = "\Recent";
- else if (f == Flags.Flag.SEEN)
- s = "\Seen";
- else
- continue; // skip it
- if (first)
- first = false;
- else
- sb.append(' ');
- sb.append(s);
- }
- String[] uf = flags.getUserFlags(); // get the user flag strings
- for (int i = 0; i < uf.length; i++) {
- if (first)
- first = false;
- else
- sb.append(' ');
- sb.append(uf[i]);
- }
- pr("FLAGS: " + sb.toString());
- // X-MAILER
- String[] hdrs = m.getHeader("X-Mailer");
- if (hdrs != null)
- pr("X-Mailer: " + hdrs[0]);
- else
- pr("X-Mailer NOT available");
- }
- static String indentStr = " ";
- static int level = 0;
- /**
- * Print a, possibly indented, string.
- */
- public static void pr(String s) {
- if (showStructure)
- System.out.print(indentStr.substring(0, level * 2));
- System.out.println(s);
- }
- }