/*
* Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
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*
* - Redistributions of source code must retain the above copyright
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*
* - 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
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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
) {
// 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
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].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")); 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
System.
out.
println(">> Exception expected: _aProvider is null"); mex.printStackTrace();
}
try {
// _sunIMAP provider should've configured correctly; should work
session.setProvider(_sunIMAP);
try {
System.
out.
println("imap: " + session.
getProvider("imap")); System.
out.
println("smtp: " + session.
getProvider("smtp"));
System.
out.
println("\n\n----- 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));
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")); System.
out.
println(">> Exception expected: no pop3 provider"); mex.printStackTrace();
}
System.
out.
println("\n\n----- 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();
}
}
}