Example usage for org.apache.commons.net.io DotTerminatedMessageReader readLine

Introduction

In this page you can find the example usage for org.apache.commons.net.io DotTerminatedMessageReader readLine.

Prototype

@Override
public String readLine() throws IOException 

Source Link

Document

Read a line of text.

Usage

From source file:ProtocolRunner.java

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
    // Single Value Dialog OK Button
        /*w ww  .  j  a v a  2 s .c  o m*/
    // this method only handles tcp protocols, for udp protocols, another
    // method is used
    if(jTabbedPane1.getSelectedIndex() == 1) { // means we are in udp tab
        udpSingleValOKButton(); 
        return;
    }
        
    String valueText = singleValueField.getText();
    String valueLabel = singleValueLabel.getText();
    int selection = tcpSelectionBox.getSelectedIndex();
    try{
        if(selection == 4) { // means handling FTP
            if("New Directory:".equals(valueLabel)) { 
                // means CWD
                ((FTPClient)tcpClient).changeWorkingDirectory(valueText);
            } else if(
                "New Directory Name:".equals(valueLabel)) {
                    // means make new directory
                    ((FTPClient)tcpClient).makeDirectory(valueText);
            } else if(
                "Full path to local file:".equals(
                    valueLabel)) { 
                        // means uploading file
                        FileInputStream input = 
                            new FileInputStream(valueText);
                        ((FTPClient)tcpClient).storeFile(
                            new File(valueText).getName(), input);
                        input.close();
            } else if("Remote file:".equals(valueLabel)) { 
                // means downloading a file
                FileOutputStream output = 
                    new FileOutputStream(
                        System.getProperty("user.dir") + 
                        System.getProperty("file.separator") + 
                        valueText);
                ((FTPClient)tcpClient).retrieveFile(valueText, output);
                output.close();
            }
            tcpServerResponse.append(
                ((FTPClient)tcpClient).getReplyString() + "\r\n");
        } else if(selection == 5) { // means handling NNTP
            if("Full or part name of group:".equals(valueLabel)) {
                // means getting new news of a group
                    
                // create a query to get all new messages in this group
                // since yesterday
                GregorianCalendar today = new GregorianCalendar();    
                today.roll(Calendar.DAY_OF_YEAR, false);
                NewGroupsOrNewsQuery query = 
                  new NewGroupsOrNewsQuery(today, false);
                query.addDistribution(valueText);
                    
                String[] result = 
                    ((NNTPClient)tcpClient).listNewNews(query);
                    
                tcpServerResponse.append(
                    ((NNTPClient)tcpClient).getReplyString() + "\r\n");
                    
                // in case the NEWNEWS cmmand is disabled
                if(result == null)  return;

                for(int i=0; i<result.length; i++) {
                    tcpServerResponse.append(
                        result[i] + "\r\n");
                }
            } else if("Enter message id:".equals(valueLabel)) {
                // means getting a message based on id
                DotTerminatedMessageReader reader = 
                    (DotTerminatedMessageReader)
                    ((NNTPClient)tcpClient).retrieveArticle(
                    "<" + valueText + ">");
                tcpServerResponse.append(
                    ((NNTPClient)tcpClient).getReplyString() + "\r\n");                    
                    
                if(reader == null) return;
                    
                BufferedReader buffReader = new BufferedReader(reader);
                String lineRead;
                while((lineRead = buffReader.readLine()) != null) {
                    tcpServerResponse.append(lineRead + "\r\n");
                }
            }
        } else if(selection == 6) { // means handling pop3
            if("Enter message number:".equals(valueLabel)) { 
                // means getting a message based on number
                DotTerminatedMessageReader reader = 
                    (DotTerminatedMessageReader)                    
                    ((POP3Client)tcpClient).retrieveMessage(
                        Integer.parseInt(valueText));
                    
                tcpServerResponse.append(
                    ((POP3Client)tcpClient).getReplyString() + 
                    "\r\n");
                    
                if(reader == null) return;
                    
                BufferedReader buffReader = new BufferedReader(reader);
                String lineRead;
                while((lineRead = buffReader.readLine()) != null) {
                    tcpServerResponse.append(lineRead + "\r\n");
                }                    
            } else if("Enter message number to delete:".equals(valueLabel)){
                // means deleting a message based on id
                ((POP3Client)tcpClient).deleteMessage(
                    Integer.parseInt(valueText));
                tcpServerResponse.append(
                    ((POP3Client)tcpClient).getReplyString() + 
                    "\r\n");                    
            }
        } else if(selection == 2) { // is echo
            BufferedReader reader = new BufferedReader(
                new InputStreamReader(
                    ((EchoTCPClient)tcpClient).getInputStream()));
                
            PrintWriter writer =
                new PrintWriter(
                    new OutputStreamWriter(
                        ((EchoTCPClient)tcpClient).getOutputStream()), true);
                
            // write to the server
            writer.println(valueText);
                
            // read from the server
            tcpServerResponse.append(reader.readLine());
                
            // streams are not closed here as there is no provision for the
            // user to send another stream of data. Thus the user has to
            // close the connection, which cleans up open streams.
        } else if(selection == 3) { // is finger
            tcpServerResponse.setText(
                ((FingerClient)tcpClient).query(false, valueText));
        } else if(selection == 9) { // is whois
            tcpServerResponse.setText(
                ((WhoisClient)tcpClient).query(valueText));
        }
    }catch(IOException ioex) { showError(ioex.getMessage()); return; }
    finally {
        singleValueField.setText("");
        singleValueDialog.setVisible(false);
    }
}

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