configuration.java

来自「一个用java写的mail.里面的代码值得我们去研究！学习。」· Java 代码 · 共 582 行 · 第 1/2 页

  removeProperty( String propName ) {
    UserProperties.removeDynamicProperty( name_, propName );
  }

  public void
  saveProperties() {
    try {
      UserProperties.saveDynamicProperties( name_ );
    } catch ( IOException xex ) {
      Object[] xargs = new Object[2];
      xargs[0] = name_;
      xargs[1] = xex.getMessage();
      ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.SavingException",
                                   0, JOptionPane.WARNING_MESSAGE, xargs );
    }
  }

//............................................................

// used by ICEMail.java
  public void
  checkEssentialProperties() {
    this.haveWarned = false;

    if ( ! isPropertySet( P_TEMP_DIR ) ) {
      TempManagerDialog dlg = new TempManagerDialog( null );
      dlg.show();
    }

    if ( ! isPropertySet( P_TRANSPORT_PROTO ) ) {
      TransportDialog dlg = new TransportDialog( null );
      dlg.show();
    }

    if ( isTransportSMTP() ) {
      if ( ! isPropertySet( P_SMTP_HOSTNAME ) ) {
        SMTPConfigDialog dlg = new SMTPConfigDialog( null );
        dlg.show();
      }
    }

    if ( ! isPropertySet( P_FROM_ADDRESS ) ) {
      UserConfigDialog dlg = new UserConfigDialog( null );
      dlg.show();
    }

    if ( ! isPropertySet( P_STORE_LIST ) ) {
      StoreConfigDialog dlg = new StoreConfigDialog( null );
      dlg.show();
    }
  }

  private boolean
  isTransportSMTP() {
    String propValue = UserProperties.getProperty( P_TRANSPORT_PROTO, null );
    
    if ( propValue != null && propValue.equalsIgnoreCase( "smtp" ) ) {
      return true;
    }
    return false;
  }

  private boolean
  isPropertySet( String propName ) {
    boolean result = true;

    String propValue = UserProperties.getProperty( propName, null );

    if ( propValue == null ) {
      if ( ! this.haveWarned ) {
        ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.Warning",
                                     0, JOptionPane.WARNING_MESSAGE, null );
        this.haveWarned = true;
      }
      result = false;
    }

    return result;
  }

  private void
  determineHomeDirectory() {
    String userDirName = System.getProperty( "user.home", null );

    if ( userDirName == null ) {
      userDirName = System.getProperty( "user.dir", null );

      if ( userDirName != null ) {
        Object[] xargs = new Object[1];
        xargs[0] = userDirName;
        ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.HomeInformation",
                                     0, JOptionPane.INFORMATION_MESSAGE, xargs );
      }
    }

    if ( userDirName == null ) {
      // REVIEW We are using a questionable algorithm here.
      this.homeDir = new File( (File.separatorChar == ':') ? ":" : "." );

      ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.HomeMissing",
                                   0, JOptionPane.ERROR_MESSAGE, null );
    } else {
      this.homeDir = new File( userDirName );
    }
  }

// used by ICEMail
  public void
  loadMailCap() {
    if ( Package.DEBUG && Configuration.Debug_ > 0 ) {
      System.out.println( "Configuration.loadMailCap(): " + mailcapFileName );
    }

    File capfile;
    boolean ok = false;

    if ( this.mailcapFileName != null ) {
      capfile = new File( this.mailcapFileName );
      ok = true;
    } else {
      // REVIEW We are using a questionable algorithm here.
      String defMailcapFilename = (File.separatorChar == '/') ? ".icemailcap" : "icemailcap.txt";

      String mailcapFileName = UserProperties.getProperty( "mailcap.fileName", defMailcapFilename );

      if ( Package.DEBUG && Configuration.Debug_ > 0 ) {
        System.out.println( "Configuration.loadMailCap(): " + mailcapFileName );
      }

      capfile = new File( this.homeDir, mailcapFileName );
    }

    if ( ! capfile.exists() ) {
      Object[] xargs = new Object[1];
      xargs[0] = capfile.getPath();
      ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MailcapCreate",
                                   0, JOptionPane.WARNING_MESSAGE, xargs );
      try {
        ResourceUtilities.copyResourceToFile( "/org/icemail/mail/icemailcap.txt", capfile );
      } catch ( IOException ex ) { }
    }
      
    if ( ! capfile.isFile() ) {
      Object[] xargs = new Object[1];
      xargs[0] = capfile.getPath();
      ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MailcapInvalid",
                                   0, JOptionPane.ERROR_MESSAGE, xargs );
    } else {
      try {
        CommandMap.setDefaultCommandMap( new MailcapCommandMap( new FileInputStream( capfile ) ) );
        Configuration.getInstance().parseMailcap( capfile );
        ok = true;
      } catch ( FileNotFoundException xex ) {
        Object[] xargs = new Object[2];
        xargs[0] = capfile.getPath();
        xargs[1] = xex.getMessage();
        ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MailcapMissing",
                                     0, JOptionPane.ERROR_MESSAGE, xargs );
      } catch ( IOException xex ) {
        Object[] xargs = new Object[2];
        xargs[0] = capfile.getPath();
        xargs[1] = xex.getMessage();
        ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MailcapBad",
                                     0, JOptionPane.ERROR_MESSAGE, xargs );
      }
    }

    if ( ! ok ) {
      if ( Package.DEBUG && Configuration.Debug_ > 0 ) {
        System.out.println( "Configuration.loadMailCap(): bad, reseting defaults" );
      }
      CommandMap.setDefaultCommandMap( new MailcapCommandMap() );
    }
  }

// used by ICEMail
  public void
  loadMimeTypes() {
    if ( Package.DEBUG && Configuration.Debug_ > 0 ) {
      System.out.println( "Configuration.loadMimeTypes(): " + mimeFileName );
    }

    File mimefile;
    boolean ok = true;

    if ( this.mimeFileName != null ) {
      mimefile = new File( this.mimeFileName );
    } else {
    // REVIEW We are using a questionable algorithm here.
      String defMimeFilename = (File.separatorChar == '/') ? ".icemime" : "icemime.txt";

      String mimeFileName = UserProperties.getProperty( "mime.fileName", defMimeFilename );

      if ( Package.DEBUG && Configuration.Debug_ > 0 ) {
        System.out.println( "Configuration.loadMimeTypes(): " + mimeFileName );
      }

      mimefile = new File( this.homeDir, mimeFileName );
    }

    if ( ! mimefile.exists() ) {
      Object[] xargs = new Object[1];
      xargs[0] = mimefile.getPath();
      ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MimetypesCreate",
                                   0, JOptionPane.WARNING_MESSAGE, xargs );
      try {
        ResourceUtilities.copyResourceToFile
          ( "/org/icemail/mail/icemime.txt", mimefile );
      } catch ( IOException ex ) { }
    }

    if ( ! mimefile.isFile() ) {
      Object[] xargs = new Object[1];
      xargs[0] = mimefile.getPath();
      ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MimetypesInvalid",
                                   0, JOptionPane.ERROR_MESSAGE, xargs );
      ok = false;
    } else {
      try {
        FileTypeMap.setDefaultFileTypeMap( new MimetypesFileTypeMap(
                                                 new FileInputStream( mimefile ) ) );
      } catch ( FileNotFoundException xex ) {
        Object[] xargs = new Object[2];
        xargs[0] = mimefile.getPath();
        xargs[1] = xex.getMessage();
        ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MimetypesMissing",
                                     0, JOptionPane.ERROR_MESSAGE, xargs );
        ok = false;
      } catch ( IOException xex ) {
        Object[] xargs = new Object[2];
        xargs[0] = mimefile.getPath();
        xargs[1] = xex.getMessage();
        ComponentFactory.showDialog( ICEMail.getBundle(), "Configuration.MimetypesBad",
                                     0, JOptionPane.ERROR_MESSAGE, xargs );
        ok = false;
      }
    }

    if ( ! ok ) {
      if ( Package.DEBUG && Configuration.Debug_ > 0 ) {
        System.out.println( "Configuration.loadMimeTypes(): bad, reseting defaults" );
      }
      FileTypeMap.setDefaultFileTypeMap( new MimetypesFileTypeMap() );
    }
  }

  // HACK
  // This is a horrible hack that is needed only because
  // CommandMap does not allow us to ask for the list of
  // known content types.
  //
  private void
  parseMailcap( File capfile ) throws FileNotFoundException, IOException {
    BufferedReader reader = new BufferedReader( new FileReader( capfile ) );

    for ( ; ; ) {
      String line = reader.readLine();
      if ( line == null ) {
        break;
      }

      if ( line.startsWith( "#" ) ) {
        continue;
      }
      if ( line.startsWith( "!" ) ) {
        continue;
      }

      int index = line.indexOf( ";" );
      if ( index < 0 ) {
        continue;
      }

      String baseType = line.substring( 0, index );

      index = baseType.indexOf( "/" );
      if ( index < 0 ) {
        continue;
      }

      String subType = baseType.substring( index + 1 );
      if ( subType.equals( "*" ) ) {
        continue;
      }

      this.mailcapTypes.addElement( baseType );
    }
  }

}