ftpstatisticspanel.java

一个利用Java语言实现的ftp程序

        mjTotalLoginNbrTxt = new JTextField();
        mjTotalLoginNbrTxt.setColumns(6);
        mjTotalLoginNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjTotalLoginNbrTxt, gc);
        
        // number of current anonymous logins
        JLabel jAnonLoginNbrLab = new JLabel("Current anonymous logins");
        jAnonLoginNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jAnonLoginNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jAnonLoginNbrLab, gc);
        
        mjAnonLoginNbrTxt = new JTextField();
        mjAnonLoginNbrTxt.setColumns(6);
        mjAnonLoginNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjAnonLoginNbrTxt, gc);  
        
        // number of total anonymous logins
        JLabel jTotalAnonLoginNbrLab = new JLabel("Total anonymous logins");
        jTotalAnonLoginNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jTotalAnonLoginNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jTotalAnonLoginNbrLab, gc);
        
        mjTotalAnonLoginNbrTxt = new JTextField();
        mjTotalAnonLoginNbrTxt.setColumns(6);
        mjTotalAnonLoginNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjTotalAnonLoginNbrTxt, gc);
        
        // number of current connections
        JLabel jConNbrLab = new JLabel("Current connections");
        jConNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jConNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jConNbrLab, gc);
        
        mjConNbrTxt = new JTextField();
        mjConNbrTxt.setColumns(6);
        mjConNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjConNbrTxt, gc); 
        
        // number of current connections
        JLabel jTotalConNbrLab = new JLabel("Total connections");
        jTotalConNbrLab.setHorizontalAlignment(JLabel.RIGHT);
        jTotalConNbrLab.setForeground(Color.black);
        gc = new GridBagConstraints();
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(jTotalConNbrLab, gc);
        
        mjTotalConNbrTxt = new JTextField();
        mjTotalConNbrTxt.setColumns(6);
        mjTotalConNbrTxt.setEditable(false);
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(mjTotalConNbrTxt, gc);

        // reload statistics
        JButton reloadButton = new JButton("Reload");
        gc = new GridBagConstraints();
        gc.gridx = 1;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.WEST;
        gc.insets = new Insets(3, 0, 0, 3);
        add(reloadButton, gc);

        reloadButton.addActionListener(new ActionListener() {
           public void actionPerformed(ActionEvent evt) {
               reloadStatistics();
           }
        });
    }
        
    /**
     * Get upload file table model.
     */
    public FtpFileTableModel getUploadModel() {
        return mUploadModel;
    }
    
    /**
     * Get download file table model.
     */
    public FtpFileTableModel getDownloadModel() {
        return mDownloadModel;
    }
    
    /**
     * Get delete file table model.
     */
    public FtpFileTableModel getDeleteModel() {
        return mDeleteModel;
    }
    
    /**
     * Upload notification.
     */
    public void notifyUpload() {
        mjUploadNbrTxt.setText(String.valueOf(mStat.getFileUploadNbr()));
        mjUploadBytesTxt.setText(String.valueOf(mStat.getFileUploadSize()));
    }
    
    /**
     * Download notification.
     */
    public void notifyDownload() {
        mjDownloadNbrTxt.setText(String.valueOf(mStat.getFileDownloadNbr()));
        mjDownloadBytesTxt.setText(String.valueOf(mStat.getFileDownloadSize()));
    }
    
    
    /**
     * Delete notification.
     */
    public void notifyDelete() {
        mjDeleteNbrTxt.setText(String.valueOf(mStat.getFileDeleteNbr()));
    }
    
    /**
     * User login notification.
     */
    public void notifyLogin() {
          mjLoginNbrTxt.setText(String.valueOf(mStat.getLoginNbr()));
          mjAnonLoginNbrTxt.setText(String.valueOf(mStat.getAnonLoginNbr()));
          mjTotalLoginNbrTxt.setText(String.valueOf(mStat.getTotalLoginNbr()));
          mjTotalAnonLoginNbrTxt.setText(String.valueOf(mStat.getTotalAnonLoginNbr()));
    }
    
    /**
     * User logout notification.
     */
    public void notifyLogout() {
        notifyLogin();
    } 
     
    /**
     * Notify open/close connection
     */ 
    public void notifyConnection() {
        mjConNbrTxt.setText(String.valueOf(mStat.getConnectionNbr()));
        mjTotalConNbrTxt.setText(String.valueOf(mStat.getTotalConnectionNbr()));
    } 
     
    /**
     * Notify file upload
     */ 
    public void notifyUpload(final File fl, final FtpUser user) {
        mUploadModel.newEntry(fl.getAbsolutePath(), user);
    } 
    
    /**
     * Notify file download
     */ 
    public void notifyDownload(final File fl, final FtpUser user) {
        mDownloadModel.newEntry(fl.getAbsolutePath(), user);
    }
    
    /**
     * Notify file delete
     */ 
    public void notifyDelete(final File fl, final FtpUser user) {
        mDeleteModel.newEntry(fl.getAbsolutePath(), user);
    }
    
    
    /**
     * Reload data
     */
    private void reloadStatistics() {
        FtpConfig cfg = mConfig;
        if(cfg != null) {
            mjStartTimeTxt.setText( DATE_FMT.format(mStat.getStartTime()) );
            notifyUpload();
            notifyDownload();
            notifyDelete();
            notifyLogin();
            notifyConnection();
        }
    }

    /**
     * Initialize the statistics data.
     */
    public void refresh(FtpConfig cfg) {
        mConfig = cfg;
        if (cfg != null) {
            mStat = mConfig.getStatistics();
            mStat.setListener(this);
            mStat.setFileListener(this);
            reloadStatistics();
        }
        else {
            mStat = null;
        }
        
        mUploadModel.reset();
        mDownloadModel.reset();
        mDeleteModel.reset();
    }
    
    
    /**
     * Is displayable
     */
    public boolean isDisplayable() {
        return mConfig != null;
    } 
     
}