package org.apache.maven.plugin.announcement;
   
   /*
    * 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.io.File;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.io.UnsupportedEncodingException;
  import java.util.List;
  
  import javax.mail.internet.AddressException;
  import javax.mail.internet.InternetAddress;
  
  import org.apache.maven.model.Developer;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.announcement.mailsender.ProjectJavamailMailSender;
  import org.apache.maven.plugins.annotations.Execute;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.logging.Logger;
  import org.codehaus.plexus.logging.console.ConsoleLogger;
  import org.codehaus.plexus.mailsender.MailMessage;
  import org.codehaus.plexus.mailsender.MailSenderException;
  import org.codehaus.plexus.util.IOUtil;
  import org.codehaus.plexus.util.ReaderFactory;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * Goal which sends an announcement through email.
   *
   * @author aramirez@exist.com
   * @version $Id: AnnouncementMailMojo.java 1620206 2014-08-24 22:03:05Z hboutemy $
   * @since 2.0-beta-2
   */
  @Mojo( name = "announcement-mail", threadSafe = true )
  @Execute( goal = "announcement-generate" )
  public class AnnouncementMailMojo
      extends AbstractAnnouncementMojo
  {
      //=========================================
      // announcement-mail goal fields
      //=========================================
  
      /**
       * Possible senders.
       */
      @Parameter( property = "project.developers", required = true, readonly = true )
      private List from;
  
      /**
       * The id of the developer sending the announcement mail. Only used if the <tt>mailSender</tt>
       * attribute is not set. In this case, this should match the id of one of the developers in
       * the pom. If a matching developer is not found, then the first developer in the pom will be
       * used.
       */
      @Parameter( property = "changes.fromDeveloperId" )
      private String fromDeveloperId;
  
      /**
       * Mail content type to use.
       *
       * @since 2.1
       */
      @Parameter( defaultValue = "text/plain", required = true )
      private String mailContentType;
  
      /**
       * Defines the sender of the announcement email. This takes precedence over the list
       * of developers specified in the POM.
       * if the sender is not a member of the development team. Note that since this is a bean type,
       * you cannot specify it from command level with <pre>-D</pre>. Use
       * <pre>-Dchanges.sender='Your Name &lt;you@domain>'</pre> instead.
       */
      @Parameter( property = "changes.mailSender" )
      private MailSender mailSender;
  
      /**
       * Defines the sender of the announcement. This takes precedence over both ${changes.mailSender}
       * and the list of developers in the POM.
      * <p/>
      * This parameter parses an email address in standard RFC822 format, e.g.
      * <pre>-Dchanges.sender='Your Name &lt;you@domain>'</pre>.
      *
      * @since 2.7
      */
     @Parameter( property = "changes.sender" )
     private String senderString;
 
     /**
      * The password used to send the email.
      */
     @Parameter( property = "changes.password" )
     private String password;
 
     /**
      */
     @Parameter( defaultValue = "${project}", readonly = true, required = true )
     private MavenProject project;
 
     /**
      * Smtp Server.
      */
     @Parameter( property = "changes.smtpHost", required = true )
     private String smtpHost;
 
     /**
      * Port.
      */
     @Parameter( property = "changes.smtpPort", defaultValue = "25", required = true )
     private int smtpPort;
 
     /**
      * If the email should be sent in SSL mode.
      */
     @Parameter( property = "changes.sslMode", defaultValue = "false" )
     private boolean sslMode;
 
     /**
      * If the option startTls should be used.
      *
      * @since 2.10
      */
     @Parameter( property = "changes.startTls", defaultValue = "false" )
     private boolean startTls;
 
     /**
      * Subject for the email.
      */
     @Parameter( property = "changes.subject",
                 defaultValue = "[ANNOUNCEMENT] - ${project.name} ${project.version} released", required = true )
     private String subject;
 
     /**
      * The file that contains the generated announcement.
      *
      * @since 2.10
      */
     @Parameter( property = "changes.announcementFile", defaultValue = "announcement.vm", required = true )
     private String announcementFile;
 
     /**
      * Directory where the generated announcement file exists.
      *
      * @since 2.10
      */
     @Parameter( defaultValue = "${project.build.directory}/announcement", required = true )
     private File announcementDirectory;
 
     /**
      * The encoding used in the announcement template.
      *
      * @since 2.10
      */
     @Parameter( property = "changes.templateEncoding", defaultValue = "${project.build.sourceEncoding}" )
     private String templateEncoding;
 
     /**
      * Directory which contains the template for announcement email.
      *
      * @deprecated Starting with version 2.10 this parameter is no longer used. You must use {@link #announcementDirectory} instead.
      */
     @Parameter
     private File templateOutputDirectory;
 
     /**
      * Recipient email address.
      */
     @Parameter( required = true )
     private List toAddresses;
 
     /**
      * Recipient cc email address.
      *
      * @since 2.5
      */
     @Parameter
     private List ccAddresses;
 
     /**
      * Recipient bcc email address.
      *
      * @since 2.5
      */
     @Parameter
     private List bccAddresses;
 
     /**
      * The username used to send the email.
      */
     @Parameter( property = "changes.username" )
     private String username;
 
     private ProjectJavamailMailSender mailer = new ProjectJavamailMailSender();
 
     public void execute()
         throws MojoExecutionException
     {
         // Fail build fast if it is using deprecated parameters
         if ( templateOutputDirectory != null )
         {
             throw new MojoExecutionException( "You are using the old parameter 'templateOutputDirectory'. You must use 'announcementDirectory' instead." );
         }
 
         // Run only at the execution root
         if ( runOnlyAtExecutionRoot && !isThisTheExecutionRoot() )
         {
             getLog().info( "Skipping the announcement mail in this project because it's not the Execution Root" );
         }
         else
         {
             File file = new File( announcementDirectory, announcementFile );
 
             ConsoleLogger logger = new ConsoleLogger( Logger.LEVEL_INFO, "base" );
 
             if ( getLog().isDebugEnabled() )
             {
                 logger.setThreshold( Logger.LEVEL_DEBUG );
             }
 
             mailer.enableLogging( logger );
 
             mailer.setSmtpHost( getSmtpHost() );
 
             mailer.setSmtpPort( getSmtpPort() );
 
             mailer.setSslMode( sslMode, startTls );
 
             if ( username != null )
             {
                 mailer.setUsername( username );
             }
 
             if ( password != null )
             {
                 mailer.setPassword( password );
             }
 
             mailer.initialize();
 
             if ( getLog().isDebugEnabled() )
             {
                 getLog().debug( "fromDeveloperId: " + getFromDeveloperId() );
             }
 
             if ( file.isFile() )
             {
                 getLog().info( "Connecting to Host: " + getSmtpHost() + ":" + getSmtpPort() );
 
                 sendMessage();
             }
             else
             {
                 throw new MojoExecutionException( "Announcement file " + file + " not found..." );
             }
         }
     }
 
     /**
      * Send the email.
      *
      * @throws MojoExecutionException if the mail could not be sent
      */
     protected void sendMessage()
         throws MojoExecutionException
     {
         File file = new File( announcementDirectory, announcementFile );
         String email = "";
         final MailSender ms = getActualMailSender();
         final String fromName = ms.getName();
         final String fromAddress = ms.getEmail();
         if ( fromAddress == null || fromAddress.equals( "" ) )
         {
             throw new MojoExecutionException( "Invalid mail sender: name and email is mandatory (" + ms + ")." );
         }
         getLog().info( "Using this sender for email announcement: " + fromAddress + " < " + fromName + " > " );
         try
         {
             MailMessage mailMsg = new MailMessage();
             mailMsg.setSubject( getSubject() );
             mailMsg.setContent( readAnnouncement( file ) );
             mailMsg.setContentType( this.mailContentType );
             mailMsg.setFrom( fromAddress, fromName );
 
             for ( Object o1 : getToAddresses() )
             {
                 email = o1.toString();
                 getLog().info( "Sending mail to " + email + "..." );
                 mailMsg.addTo( email, "" );
             }
 
             if ( getCcAddresses() != null )
             {
                 for ( Object o : getCcAddresses() )
                 {
                     email = o.toString();
                     getLog().info( "Sending cc mail to " + email + "..." );
                     mailMsg.addCc( email, "" );
                 }
             }
 
             if ( getBccAddresses() != null )
             {
                 for ( Object o : getBccAddresses() )
                 {
                     email = o.toString();
                     getLog().info( "Sending bcc mail to " + email + "..." );
                     mailMsg.addBcc( email, "" );
                 }
             }
 
             mailer.send( mailMsg );
             getLog().info( "Sent..." );
         }
         catch ( MailSenderException e )
         {
             throw new MojoExecutionException( "Failed to send email < " + email + " >", e );
         }
     }
 
     /**
      * Read the content of the generated announcement file.
      *
      * @param file the file to be read
      * @return Return the announcement text
      * @throws MojoExecutionException if the file could not be found, or if the encoding is unsupported
      */
     protected String readAnnouncement( File file )
         throws MojoExecutionException
     {
         InputStreamReader reader = null;
         FileInputStream inputStream = null;
         try
         {
             inputStream = new FileInputStream( file );
 
             if ( StringUtils.isEmpty( templateEncoding ) )
             {
                 templateEncoding = ReaderFactory.FILE_ENCODING;
                 getLog().warn( "File encoding has not been set, using platform encoding '" + templateEncoding
                                    + "', i.e. build is platform dependent!" );
             }
 
             reader = new InputStreamReader( inputStream, templateEncoding );
             return IOUtil.toString( reader );
         }
         catch ( FileNotFoundException fnfe )
         {
             throw new MojoExecutionException( "File not found. " + file );
         }
         catch ( UnsupportedEncodingException uee )
         {
             throw new MojoExecutionException( "Unsupported encoding: '" + templateEncoding + "'" );
         }
         catch ( IOException ioe )
         {
             throw new MojoExecutionException( "Failed to read the announcement file.", ioe );
         }
         finally
         {
             IOUtil.close( inputStream );
             IOUtil.close( reader );
         }
     }
 
     /**
      * Returns the identify of the mail sender according to the plugin's configuration:
      * <ul>
      * <li>if the <tt>mailSender</tt> parameter is set, it is returned</li>
      * <li>if no <tt>fromDeveloperId</tt> is set, the first developer in the list is returned</li>
      * <li>if a <tt>fromDeveloperId</tt> is set, the developer with that id is returned</li>
      * <li>if the developers list is empty or if the specified id does not exist, an exception is thrown</li>
      * </ul>
      *
      * @return the mail sender to use
      * @throws MojoExecutionException if the mail sender could not be retrieved
      */
     protected MailSender getActualMailSender()
         throws MojoExecutionException
     {
         if ( senderString != null )
         {
             try
             {
                 InternetAddress ia = new InternetAddress( senderString, true );
                 return new MailSender( ia.getPersonal(), ia.getAddress() );
             }
             catch ( AddressException e )
             {
                 throw new MojoExecutionException( "Invalid value for change.sender: ", e );
             }
         }
         if ( mailSender != null && mailSender.getEmail() != null )
         {
             return mailSender;
         }
         else if ( from == null || from.isEmpty() )
         {
             throw new MojoExecutionException(
                 "The <developers> section in your pom should not be empty. Add a <developer> entry or set the "
                     + "mailSender parameter." );
         }
         else if ( fromDeveloperId == null )
         {
             final Developer dev = (Developer) from.get( 0 );
             return new MailSender( dev.getName(), dev.getEmail() );
         }
         else
         {
             for ( Object aFrom : from )
             {
                 Developer developer = (Developer) aFrom;
 
                 if ( fromDeveloperId.equals( developer.getId() ) )
                 {
                     return new MailSender( developer.getName(), developer.getEmail() );
                 }
             }
             throw new MojoExecutionException(
                 "Missing developer with id '" + fromDeveloperId + "' in the <developers> section in your pom." );
         }
     }
 
     //================================
     // announcement-mail accessors
     //================================
 
     public List getBccAddresses()
     {
         return bccAddresses;
     }
 
     public void setBccAddresses( List bccAddresses )
     {
         this.bccAddresses = bccAddresses;
     }
 
     public List getCcAddresses()
     {
         return ccAddresses;
     }
 
     public void setCcAddresses( List ccAddresses )
     {
         this.ccAddresses = ccAddresses;
     }
 
     public List getFrom()
     {
         return from;
     }
 
     public void setFrom( List from )
     {
         this.from = from;
     }
 
     public String getFromDeveloperId()
     {
         return fromDeveloperId;
     }
 
     public void setFromDeveloperId( String fromDeveloperId )
     {
         this.fromDeveloperId = fromDeveloperId;
     }
 
     public MailSender getMailSender()
     {
         return mailSender;
     }
 
     public void setMailSender( MailSender mailSender )
     {
         this.mailSender = mailSender;
     }
 
     public String getPassword()
     {
         return password;
     }
 
     public void setPassword( String password )
     {
         this.password = password;
     }
 
     public MavenProject getProject()
     {
         return project;
     }
 
     public void setProject( MavenProject project )
     {
         this.project = project;
     }
 
     public String getSmtpHost()
     {
         return smtpHost;
     }
 
     public void setSmtpHost( String smtpHost )
     {
         this.smtpHost = smtpHost;
     }
 
     public int getSmtpPort()
     {
         return smtpPort;
     }
 
     public void setSmtpPort( int smtpPort )
     {
         this.smtpPort = smtpPort;
     }
 
     public boolean isSslMode()
     {
         return sslMode;
     }
 
     public void setSslMode( boolean sslMode )
     {
         this.sslMode = sslMode;
     }
 
     public boolean isStartTls()
     {
         return startTls;
     }
 
     public void setStartTls( boolean startTls )
     {
         this.startTls = startTls;
     }
 
     public String getSubject()
     {
         return subject;
     }
 
     public void setSubject( String subject )
     {
         this.subject = subject;
     }
 
     public String getAnnouncementFile()
     {
         return announcementFile;
     }
 
     public void setAnnouncementFile( String announcementFile )
     {
         this.announcementFile = announcementFile;
     }
 
     public File getAnnouncementDirectory()
     {
         return announcementDirectory;
     }
 
     public void setAnnouncementDirectory( File announcementDirectory )
     {
         this.announcementDirectory = announcementDirectory;
     }
 
     public List getToAddresses()
     {
         return toAddresses;
     }
 
     public void setToAddresses( List toAddresses )
     {
         this.toAddresses = toAddresses;
     }
 
     public String getUsername()
     {
         return username;
     }
 
     public void setUsername( String username )
     {
         this.username = username;
     }
 }