Apache TomEE

Um serviço REST simples usando a API Javamail

Aqui vemos um terminal RESTful muito simples que pode ser chamado com uma mensagem a ser enviada por e-mail. Não seria difícil modificar o aplicativo para fornecer opções de configuração mais úteis. Como está, isso não enviará qualquer coisa, mas se você alterar os parâmetros para corresponder ao seu servidor de correio você verá a mensagem sendo enviada. Você pode encontrar muito mais detalhado informações sobre o Javamail API aqui

package org.superbiz.rest;

import jakarta.mail.Authenticator;
import jakarta.mail.Message;
import jakarta.mail.MessagingException;
import jakarta.mail.PasswordAuthentication;
import jakarta.mail.Session;
import jakarta.mail.Transport;
import jakarta.mail.internet.InternetAddress;
import jakarta.mail.internet.MimeMessage;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.Path;
import java.util.Date;
import java.util.Properties;

@Path("/email")
public class EmailService {

    @POST
    public String lowerCase(final String message) {

        try {

            //Create some properties and get the default Session
            final Properties props = new Properties();
            props.put("mail.smtp.host", "your.mailserver.host");
            props.put("mail.debug", "true");

            final Session session = Session.getInstance(props, new Authenticator() {
                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication("MyUsername", "MyPassword");
                }
            });

            //Set this just to see some internal logging
            session.setDebug(true);

            //Create a message
            final MimeMessage msg = new MimeMessage(session);
            msg.setFrom(new InternetAddress("your@email.address"));
            final InternetAddress[] address = {new InternetAddress("general@email.com")};
            msg.setRecipients(Message.RecipientType.TO, address);
            msg.setSubject("JavaMail API test");
            msg.setSentDate(new Date());
            msg.setText(message, "UTF-8");


            Transport.send(msg);
        } catch (MessagingException e) {
            return "Failed to send message: " + e.getMessage();
        }

        return "Sent";
    }
}

Teste

Teste para o serviço JAXRS

O teste usa o OpenEJB ApplicationComposer para torná-lo trivial.

A idéia é primeiro ativar os serviços jaxrs. Isso é feito usando Anotação @EnableServices.

Em seguida, criamos rapidamente o aplicativo simplesmente retornando um objeto representando o web.xml. Aqui nós simplesmente o usamos para definir o contexto raiz, mas você também pode usá-lo para definir seu aplicativo REST. E para Para concluir a definição do aplicativo, adicionamos a anotação @Classes para definir o conjunto de classes para usar neste aplicativo.

Finalmente, para testá-lo, usamos a API do cliente cxf para chamar o serviço REST post () método.

package org.superbiz.rest;

import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.openejb.jee.WebApp;
import org.apache.openejb.junit.ApplicationComposer;
import org.apache.openejb.testing.Classes;
import org.apache.openejb.testing.EnableServices;
import org.apache.openejb.testing.Module;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.io.IOException;

import static org.junit.Assert.assertEquals;

@EnableServices(value = "jaxrs")
@RunWith(ApplicationComposer.class)
public class EmailServiceTest {

    @Module
    @Classes(EmailService.class)
    public WebApp app() {
        return new WebApp().contextRoot("test");
    }

    @Test
    public void post() throws IOException {
        final String message = WebClient.create("http://localhost:4204").path("/test/email/").post("Hello General", String.class);
        assertEquals("Failed to send message: Unknown SMTP host: your.mailserver.host", message);
    }
}

#Corrida

A execução do exemplo é bastante simples. No diretório "javamail-api" excute:

$ mvn clean install

O que deve criar uma saída como a seguir.

INFO - Cannot find the configuration file [conf/openejb.xml].  Will attempt to create one for the beans deployed.
INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service)
INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager)
INFO - Creating TransactionManager(id=Default Transaction Manager)
INFO - Creating SecurityService(id=Default Security Service)
INFO - Initializing network services
INFO - Creating ServerService(id=cxf-rs)
INFO - Creating ServerService(id=httpejbd)
INFO - Created ServicePool 'httpejbd' with (10) core threads, limited to (200) threads with a queue of (9)
INFO - Initializing network services
INFO -   ** Bound Services **
INFO -   NAME                 IP              PORT
INFO -   httpejbd             127.0.0.1       4204
INFO - -------
INFO - Ready!
INFO - Configuring enterprise application: D:\github\tomee\examples\javamail\EmailServiceTest
INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container)
INFO - Auto-creating a container for bean org.superbiz.rest.EmailServiceTest: Container(type=MANAGED, id=Default Managed Container)
INFO - Creating Container(id=Default Managed Container)
INFO - Using directory D:\windows\tmp for stateful session passivation
INFO - Configuring Service(id=comp/DefaultManagedExecutorService, type=Resource, provider-id=Default Executor Service)
INFO - Auto-creating a Resource with id 'comp/DefaultManagedExecutorService' of type 'jakarta.enterprise.concurrent.ManagedExecutorService for 'test'.
INFO - Configuring Service(id=comp/DefaultManagedScheduledExecutorService, type=Resource, provider-id=Default Scheduled Executor Service)
INFO - Auto-creating a Resource with id 'comp/DefaultManagedScheduledExecutorService' of type 'jakarta.enterprise.concurrent.ManagedScheduledExecutorService for 'test'.
INFO - Configuring Service(id=comp/DefaultManagedThreadFactory, type=Resource, provider-id=Default Managed Thread Factory)
INFO - Auto-creating a Resource with id 'comp/DefaultManagedThreadFactory' of type 'jakarta.enterprise.concurrent.ManagedThreadFactory for 'test'.
INFO - Enterprise application "D:\github\tomee\examples\javamail\EmailServiceTest" loaded.
INFO - Creating dedicated application classloader for EmailServiceTest
INFO - Assembling app: D:\github\tomee\examples\javamail\EmailServiceTest
INFO - Using providers:
INFO -      org.apache.johnzon.jaxrs.JohnzonProvider@2687f956
INFO -      org.apache.cxf.jaxrs.provider.JAXBElementProvider@1ded7b14
INFO -      org.apache.johnzon.jaxrs.JsrProvider@29be7749
INFO -      org.apache.johnzon.jaxrs.WadlDocumentMessageBodyWriter@5f84abe8
INFO -      org.apache.openejb.server.cxf.rs.EJBAccessExceptionMapper@4650a407
INFO -      org.apache.cxf.jaxrs.validation.ValidationExceptionMapper@30135202
INFO - REST Application: http://127.0.0.1:4204/test/       -> org.apache.openejb.server.rest.InternalApplication
INFO -      Service URI: http://127.0.0.1:4204/test/email  -> Pojo org.superbiz.rest.EmailService
INFO -              POST http://127.0.0.1:4204/test/email/ ->      String lowerCase(String)
INFO - Deployed Application(path=D:\github\tomee\examples\javamail\EmailServiceTest)
DEBUG: JavaMail version 1.4ea
DEBUG: java.io.FileNotFoundException: D:\java\jdk8\jre\lib\javamail.providers (The system cannot find the file specified)
DEBUG: !anyLoaded
DEBUG: not loading resource: /META-INF/javamail.providers
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=jakarta.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], com.sun.mail.smtp.SMTPTransport=jakarta.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc], com.sun.mail.imap.IMAPSSLStore=jakarta.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3SSLStore=jakarta.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], com.sun.mail.imap.IMAPStore=jakarta.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3Store=jakarta.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc]}
DEBUG: Providers Listed By Protocol: {imaps=jakarta.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], imap=jakarta.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=jakarta.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], pop3=jakarta.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc], pop3s=jakarta.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], smtp=jakarta.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: !anyLoaded
DEBUG: not loading resource: /META-INF/javamail.address.map
DEBUG: java.io.FileNotFoundException: D:\java\jdk8\jre\lib\javamail.address.map (The system cannot find the file specified)
DEBUG: setDebug: JavaMail version 1.4ea
DEBUG: getProvider() returning jakarta.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
DEBUG SMTP: useEhlo true, useAuth false
DEBUG SMTP: trying to connect to host "your.mailserver.host", port 25, isSSL false
INFO - Undeploying app: D:\github\tomee\examples\javamail\EmailServiceTest
INFO - Stopping network services
INFO - Stopping server services

Javamail API

Um serviço REST simples usando a API Javamail

Teste

Teste para o serviço JAXRS

APIs Used