registry.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:7k
源码类别:
Java编程
开发平台:
Java
- /*
- * @(#)registry.java 1.9 01/05/23
- *
- * Copyright 1997-2000 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 javax.mail.*;
- import javax.mail.internet.*;
- /**
- * This class demonstrates how to query the registry for available
- * Providers, set default providers, etc. See section 5.2 in the
- * JavaMail 1.0 Spec for details on how to use the registry.
- *
- * See the comments inline for what's happening.
- *
- * @author Max Spivak
- */
- public class registry {
- // let's remember a few providers
- static Provider _aProvider, _bProvider, _sunSMTP, _sunIMAP;
- public static void main(String[] args) {
- Properties props = new Properties();
- // set smtp and imap to be our default
- // transport and store protocols, respectively
- props.put("mail.transport.protocol", "smtp");
- props.put("mail.store.protocol", "imap");
- //
- props.put("mail.smtp.class", "com.sun.mail.smtp.SMTPTransport");
- props.put("mail.imap.class", "com.sun.mail.imap.IMAPStore");
- Session session = Session.getInstance(props, null);
- //session.setDebug(true);
- // Retrieve all configured providers from the Session
- System.out.println("n------ getProviders()----------");
- Provider[] providers = session.getProviders();
- for (int i = 0; i < providers.length; i++) {
- System.out.println("** " + providers[i]);
- // let's remember some providers so that we can use them later
- // (I'm explicitly showing multiple ways of testing Providers)
- // BTW, no Provider "ACME Corp" will be found in the default
- // setup b/c its not in any javamail.providers resource files
- String s = null;
- if (((s = providers[i].getVendor()) != null) &&
- s.startsWith("ACME Corp")) {
- _aProvider = providers[i];
- }
- // this Provider won't be found by default either
- if (providers[i].getClassName().endsWith("application.smtp"))
- _bProvider = providers[i];
- // this Provider will be found since com.sun.mail.imap.IMAPStore
- // is configured in javamail.default.providers
- if (providers[i].getClassName().equals("com.sun.mail.imap.IMAPStore")){
- _sunIMAP = providers[i];
- }
- // this Provider will be found as well since there is a
- // Sun Microsystems SMTP transport configured by
- // default in javamail.default.providers
- if (((s = providers[i].getVendor()) != null) &&
- s.startsWith("Sun Microsystems") &&
- providers[i].getType() == Provider.Type.TRANSPORT &&
- providers[i].getProtocol().equalsIgnoreCase("smtp")) {
- _sunSMTP = providers[i];
- }
- }
- System.out.println("n------ initial protocol defaults -------");
- try {
- System.out.println("imap: " + session.getProvider("imap"));
- System.out.println("smtp: " + session.getProvider("smtp"));
- // the NNTP provider will fail since we don't have one configured
- System.out.println("nntp: " + session.getProvider("nntp"));
- } catch (NoSuchProviderException mex) {
- System.out.println(">> This exception is OK since there is no NNTP Provider configured by default");
- mex.printStackTrace();
- }
- System.out.println("n------ set new protocol defaults ------");
- // set some new defaults
- try {
- // since _aProvider isn't configured, this will fail
- session.setProvider(_aProvider); // will fail
- } catch (NoSuchProviderException mex) {
- System.out.println(">> Exception expected: _aProvider is null");
- mex.printStackTrace();
- }
- try {
- // _sunIMAP provider should've configured correctly; should work
- session.setProvider(_sunIMAP);
- } catch (NoSuchProviderException mex) { mex.printStackTrace(); }
- try {
- System.out.println("imap: " + session.getProvider("imap"));
- System.out.println("smtp: " + session.getProvider("smtp"));
- } catch (NoSuchProviderException mex) { mex.printStackTrace(); }
- System.out.println("nn----- get some stores ---------");
- // multiple ways to retrieve stores. these will print out the
- // string "imap:" since its the URLName for the store
- try {
- System.out.println("getStore(): " + session.getStore());
- System.out.println("getStore(Provider): " +
- session.getStore(_sunIMAP));
- } catch (NoSuchProviderException mex) {
- mex.printStackTrace();
- }
- try {
- System.out.println("getStore(imap): " + session.getStore("imap"));
- // pop3 will fail since it doesn't exist
- System.out.println("getStore(pop3): " + session.getStore("pop3"));
- } catch (NoSuchProviderException mex) {
- System.out.println(">> Exception expected: no pop3 provider");
- mex.printStackTrace();
- }
- System.out.println("nn----- now for transports/addresses ---------");
- // retrieve transports; these will print out "smtp:" (like stores did)
- try {
- System.out.println("getTransport(): " + session.getTransport());
- System.out.println("getTransport(Provider): " +
- session.getTransport(_sunSMTP));
- System.out.println("getTransport(smtp): " +
- session.getTransport("smtp"));
- System.out.println("getTransport(Address): " +
- session.getTransport(new InternetAddress("mspivak@apilon")));
- // News will fail since there's no news provider configured
- System.out.println("getTransport(News): " +
- session.getTransport(new NewsAddress("rec.humor")));
- } catch (MessagingException mex) {
- System.out.println(">> Exception expected: no news provider configured");
- mex.printStackTrace();
- }
- }
- }