package org.apache.maven.plugin.announcement.mailsender;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import java.security.Security;
  import java.util.Date;
  import java.util.Properties;
  
  import javax.mail.Authenticator;
  import javax.mail.Message;
  import javax.mail.MessagingException;
  import javax.mail.PasswordAuthentication;
  import javax.mail.Session;
  import javax.mail.Transport;
  import javax.mail.internet.InternetAddress;
  import javax.mail.internet.MimeMessage;
  
  import org.codehaus.plexus.mailsender.AbstractMailSender;
  import org.codehaus.plexus.mailsender.MailMessage;
  import org.codehaus.plexus.mailsender.MailSenderException;
  import org.codehaus.plexus.mailsender.util.DateFormatUtils;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * Helper class for sending email.
   */
  public class ProjectJavamailMailSender
      extends AbstractMailSender
  {
      private static final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
  
      // ----------------------------------------------------------------------
      //
      // ----------------------------------------------------------------------
  
      private Properties userProperties;
  
      private Properties props;
  
      // ----------------------------------------------------------------------
      // Component Lifecycle
      // ----------------------------------------------------------------------
  
      public void initialize()
      {
          if ( StringUtils.isEmpty( getSmtpHost() ) )
          {
              System.out.println( "Error in configuration: Missing smtpHost." );
          }
  
          if ( getSmtpPort() == 0 )
          {
              setSmtpPort( DEFAULT_SMTP_PORT );
          }
  
          props = new Properties();
  
          props.put( "mail.smtp.host", getSmtpHost() );
  
          props.put( "mail.smtp.port", String.valueOf( getSmtpPort() ) );
  
          if ( getUsername() != null )
          {
              props.put( "mail.smtp.auth", "true" );
          }
  
          props.put( "mail.debug", String.valueOf( getLogger().isDebugEnabled() ) );
  
          if ( isSslMode() )
          {
              try
              {
                  // Try to load the SSL Provider class before we use it, it isn't present in non-Sun JVMs
                  this.getClass().getClassLoader().loadClass( "com.sun.net.ssl.internal.ssl.Provider" );
  
                  Security.addProvider( new com.sun.net.ssl.internal.ssl.Provider() );
  
                  props.put( "mail.smtp.socketFactory.port", String.valueOf( getSmtpPort() ) );
  
                  props.put( "mail.smtp.socketFactory.class", SSL_FACTORY );
  
                  props.put( "mail.smtp.socketFactory.fallback", "false" );
             }
             catch ( ClassNotFoundException e )
             {
                 getLogger().error( "You can't use sslMode because your system is missing an SSL Provider.", e );
             }
         }
 
         if ( isTlsEnabled() )
         {
             props.put( "mail.smtp.starttls.enable", "true" );
         }
 
         if ( userProperties != null )
         {
             for ( Object o : userProperties.keySet() )
             {
                 String key = (String) o;
 
                 String value = userProperties.getProperty( key );
 
                 props.put( key, value );
             }
         }
     }
 
     // ----------------------------------------------------------------------
     // MailSender Implementation
     // ----------------------------------------------------------------------
 
     public void send( MailMessage mail )
         throws MailSenderException
     {
         verify( mail );
 
         try
         {
             Authenticator auth = null;
 
             if ( getUsername() != null )
             {
                 auth = new Authenticator()
                 {
                     protected PasswordAuthentication getPasswordAuthentication()
                     {
                         return new PasswordAuthentication( getUsername(), getPassword() );
                     }
                 };
             }
 
             Session session = Session.getDefaultInstance( props, auth );
 
             session.setDebug( getLogger().isDebugEnabled() );
 
             Message msg = new MimeMessage( session );
             InternetAddress addressFrom = new InternetAddress( mail.getFrom().getRfc2822Address() );
             msg.setFrom( addressFrom );
 
             if ( mail.getToAddresses().size() > 0 )
             {
                 InternetAddress[] addressTo = new InternetAddress[mail.getToAddresses().size()];
                 int count = 0;
                 for ( Object o : mail.getToAddresses() )
                 {
                     String address = ( (MailMessage.Address) o ).getRfc2822Address();
                     addressTo[count++] = new InternetAddress( address );
                 }
                 msg.setRecipients( Message.RecipientType.TO, addressTo );
             }
 
             if ( mail.getCcAddresses().size() > 0 )
             {
                 InternetAddress[] addressCc = new InternetAddress[mail.getCcAddresses().size()];
                 int count = 0;
                 for ( Object o : mail.getCcAddresses() )
                 {
                     String address = ( (MailMessage.Address) o ).getRfc2822Address();
                     addressCc[count++] = new InternetAddress( address );
                 }
                 msg.setRecipients( Message.RecipientType.CC, addressCc );
             }
 
             if ( mail.getBccAddresses().size() > 0 )
             {
                 InternetAddress[] addressBcc = new InternetAddress[mail.getBccAddresses().size()];
                 int count = 0;
                 for ( Object o : mail.getBccAddresses() )
                 {
                     String address = ( (MailMessage.Address ) o ).getRfc2822Address();
                     addressBcc[count++] = new InternetAddress( address );
                 }
                 msg.setRecipients( Message.RecipientType.BCC, addressBcc );
             }
 
             // Setting the Subject and Content Type
             msg.setSubject( mail.getSubject() );
             msg.setContent( mail.getContent(), mail.getContentType() == null ? "text/plain" : mail.getContentType() );
 
             if ( mail.getSendDate() != null )
             {
                 msg.setHeader( "Date", DateFormatUtils.getDateHeader( mail.getSendDate() ) );
             }
             else
             {
                 msg.setHeader( "Date", DateFormatUtils.getDateHeader( new Date() ) );
             }
 
             // Send the message
             Transport.send( msg );
         }
         catch ( MessagingException e )
         {
             throw new MailSenderException( "Error while sending mail.", e );
         }
     }
 }