allspeechapp.java

一个Speech-Text-Speech的applet小程序

//import statements
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.speech.*;
import javax.speech.recognition.*;
import javax.speech.synthesis.*;
import java.util.Locale;
import java.io.FileReader;
import java.awt.Color;
import java.net.*;
import java.sql.*;

public class AllSpeechApp  extends ResultAdapter
{
  
/**
 * Common declarations and initializations:
 */
  JPanel pane;
  JLabel	label, head2, OrderRefNum_label,Name_label,email_label,label_status;
  JTextField order_rn,Name;
  JButton submit,cancel;
  JRadioButton email_yes,email_no;
  String newWord1="";
  String orderStatus_DB="";
  String email_status_y, email_status_n;
  static JFrame frame = new JFrame("Speech-Text-Speech - Check order Status");
  boolean success_Name=false,email_statusNO, email_statusYES;
  int ordNum=0; String orderNumber="";

  static Recognizer rec;

//Database Related Declarations
  Connection theConnection;
  ResultSet theResult1;
  Statement theStatement1;
  String driver="sun.jdbc.odbc.JdbcOdbcDriver";  // Replace it with your JDBC driver name.  
  String dbuser="satishs";                       // Replace it with your database login id.           
  String dbpasswd="SSSSSS";                      // Replace it with your database password.
  String db="MyLearning";                        // Replace it with your database name.
  String driver_db="jdbc:odbc:";
  String DRIVERDB=driver_db.concat(db);

//Fonts
  Font 	HEADER_FONT= new Font("ARIAL", 1, 16);
  Font	NORMAL_FONT= new Font("ARIAL", 0, 6);




/** 
 * createComponents - creates a pane and add header label to it. 
 */
  public Component createComponents(String printText)
  {

  pane = new JPanel();
  pane.setBorder(BorderFactory.createEmptyBorder( 
      10, //top
      10, //left
      10, //bottom
      10) //right
  				);
  label = new JLabel("Find Status of your order : ");
  label.setFont(HEADER_FONT);
  label.setForeground(new Color(0,0,238));
  pane.add(label);
  return pane;
  }




/**
 * Creates a database connection, and gets the order_status from the Orders table.
 * Writes the text on the panel.
 * Speaks the text as 'Order number <order number> is <order status>'.
 */
public void getResult(String orderNum)
{
  try
  {
  //Loading Sun's JDBC ODBC Driver
  Class.forName(driver);
  theConnection = DriverManager.getConnection(DRIVERDB,dbuser,dbpasswd);
  theStatement1=theConnection.createStatement();
  theResult1=theStatement1.executeQuery("SELECT orstat from orders where orrfnbr="+orderNum);
  while(theResult1.next())
  {
      orderStatus_DB=theResult1.getString("orstat");
  }
  theResult1.close();     //Close the result set
  theStatement1.close();  //Close statement
  theConnection.close();  //Close the connection
  
  String part1= "Order Number "+orderNum+" is ";
  if(orderStatus_DB.equals("C"))
  {
  orderStatus_DB="Completed.";
  }
  else if(orderStatus_DB.equals("P"))
  {
  orderStatus_DB="Pending.";
  }
  else if(orderStatus_DB.equals("X"))
  {
  orderStatus_DB="Cancelled.";
  }
  String displayOrdStatus=part1.concat(orderStatus_DB);
  
  //Writes the text on the panel
  createForm("label_status",displayOrdStatus);
  
  //Speaks the text
  MySpeech(displayOrdStatus);
  
  //Set the focus back to the Name field.
  Name.requestFocus();
  
  //Repaint the panel
  pane.repaint();
  }
  catch(Exception e)
  {
  System.out.println("Exception in getResult : " +e);
  }
}



/**
 * Listens and stores the spoken text. 
 * This is Speech Recognition method.
 * This method also writes the text on the screen using CreateForm() method.
 */
public void resultAccepted(ResultEvent e)
{
  try
  {
  Result r = (Result)(e.getSource());
  ResultToken tokens[] = r.getBestTokens();
  
  for(int i=0;i<tokens.length;i++)
  {
  	newWord1 = newWord1.concat(tokens[i].getSpokenText());
  	newWord1 = newWord1.concat(" ");
  }
  int len_tokens= tokens.length;
  if(len_tokens==2)
  {
  	String name = tokens[0].getSpokenText().concat(" ");
  	name=name.concat(tokens[1].getSpokenText());
  	success_Name = createForm("Name",name);
  }
  if(success_Name)
  {
  	order_rn.requestFocus();
  	
  	//Sets the order number in the form
  	if(len_tokens == 1)
  	{
  		order_rn.setText("");
  		int numstarts = newWord1.indexOf("1");
  		orderNumber = newWord1.substring(numstarts,numstarts+2);
  		order_rn.setText(orderNumber);
  	}
  	
  	//Sets the order email notification flag to yes or no.
  	int email_status_yes = newWord1.indexOf("Yes");
  	int email_status_no = newWord1.indexOf("No");
  	if(email_status_yes>0)
  	{
  		email_status_y = newWord1.substring(email_status_yes,newWord1.length());
  		email_yes.setSelected(true);
  		submit.requestFocus();
  	}
  	else if(email_status_no>0)
  	{
  		email_status_n = newWord1.substring(email_status_no,newWord1.length());
  		email_no.setSelected(true);
  		submit.requestFocus();
  	}
  	email_statusYES=email_yes.isSelected();
  	email_statusNO =email_no.isSelected();
  	
  	/* Checks if shopper said 'Submit'. If so, submit the form by calling getResult() method. */
  	
  	int submitStarts = newWord1.indexOf("Submit");
  	if(submitStarts > 0)
  	{
  		int numstarts = newWord1.indexOf("1");
  		orderNumber = newWord1.substring(numstarts,numstarts+2);
  		
  		//Get order status from the Database
  		getResult(orderNumber);
  		newWord1="";
  		
  		Name.setText("");
  		order_rn.setText("");
  		email_yes.setSelected(false);
  		email_no.setSelected(false);
  	}
  
  	/* Checks if shopper said 'Cancel'. If so, resets the form. */
  	
  	int cancelStarts = newWord1.indexOf("Cancel");
  	if(cancelStarts > 0)
  	{
  		Name.requestFocus();
  		newWord1="";
  		Name.setText("");
  		order_rn.setText("");
  		email_yes.setSelected(false);
  		email_no.setSelected(false);
  	}
  }
  }
  catch (Exception e2)
  {
  System.out.println("\n EXCEPTION in resultAccepted :\n"+e2);	
  }
  
  //Finish setting up the frame, and show it.
  frame.addWindowListener(new WindowAdapter()
  {
        public void windowClosing(WindowEvent e)
        {
          System.exit(0);
        }
  });
  frame.setSize(600,275);
  frame.setVisible(true);
}




/**
 * The parameter passed in this method is spoken by the computer. 
 * This is Speech Synthesis (Text To Speech) method.
 */
public void MySpeech(String SpeakText)
{
  try
  {
  // Create a synthesizer for English
  Synthesizer synth = Central.createSynthesizer(new SynthesizerModeDesc(Locale.ENGLISH));
  
  // Get it ready to speak
  synth.allocate();
  synth.resume();
  
  //Speak Now...
  synth.speakPlainText(SpeakText, null);
  
  // Wait till speaking is done
  synth.waitEngineState(Synthesizer.QUEUE_EMPTY);
  
  // Clean up
  synth.deallocate();
  }
  catch (Exception e1)
  {
  System.out.println("EXCEPTION in MySpeech :" + e1);
  }
}



/**
 * Creates the form.
 */
public boolean createForm(String fieldName,String PrintText)
{
  Component contents = createComponents("");
  frame.getContentPane().add(contents,BorderLayout.CENTER);
  pane.setLayout(new GridLayout(8,3,2,2));
  //Instantiate all components
  Name_label        = new JLabel("Enter Your Name :");
  label_status      = new JLabel("label_status");
  OrderRefNum_label = new JLabel("Enter Order Number :");
  email_label        = new JLabel("Did you get an email confirmation for your order?");
  Name              = new JTextField("",30);
  order_rn          = new JTextField("",5);
  email_yes          = new JRadioButton("Yes");
  email_no           = new JRadioButton("No");
  ButtonGroup group = new ButtonGroup();
  submit            = new JButton("Submit");
  cancel            = new JButton("Cancel");
  JLabel blank1     = new JLabel(" ");
  JLabel head2      = new JLabel("[Voice Only Mode]");
  
  //Set attributes
  head2.setForeground(new Color(0,0,238));
  submit.setBackground(new Color(0,0,128));
  submit.setForeground(Color.white);
  cancel.setBackground(new Color(0,0,128));
  cancel.setForeground(Color.white);
  group.add(email_yes);
  group.add(email_no);
  Name_label.setForeground(new Color(139,37,0));
  OrderRefNum_label.setForeground(new Color(139,37,0));
  email_label.setForeground(new Color(139,37,0));
  
  //Add all components
  head2.setFont(HEADER_FONT);
  pane.add(head2);
  pane.setFont(NORMAL_FONT);
  pane.add(Name_label);
  pane.add(Name);
  pane.add(OrderRefNum_label);
  pane.add(order_rn);
  
  pane.add(email_label);
  pane.add(email_yes);
  pane.add(blank1);
  pane.add(email_no);
  pane.add(submit);
  pane.add(cancel);
  
  if(fieldName.equals("Name"))
  {
  Name.setText("");
  Name.setText(PrintText);
  order_rn.setText("");
  email_yes.setSelected(false);
  email_no.setSelected(false);
  return true;
  }
  else if(fieldName.equals("order_rn"))
  order_rn.setText(PrintText);
  else if(fieldName.equals("label_status"))
  {
  pane.add(label_status);
  label_status.setText(PrintText);
  label_status.setForeground(Color.red);
  label_status.setFont(HEADER_FONT);
  }
  else
  {
  return false;
  }
  return false;
}



/** 
 * Main Method.
 */
public static void main(String[] args)
{
  AllSpeechApp ASApp = new AllSpeechApp();
  ASApp.createForm("Name","");
  try 
  {
  	// Create a recognizer that supports English.
  	rec = Central.createRecognizer(new EngineModeDesc(Locale.ENGLISH));
  	
  	// Start up the recognizer
  	rec.allocate();
  	
  	// Load the grammar from a file, and enable it (order_search.gram in this case).
  	FileReader reader = new FileReader(args[0]);
  	RuleGrammar gram = rec.loadJSGF(reader);
  	gram.setEnabled(true);
  	
  	// Add the listener to get results
  	rec.addResultListener(new AllSpeechApp());
  
  	// Commit the grammar
  	rec.commitChanges();
  
  	// Request focus and start listening
  	rec.requestFocus();
  	rec.resume();
  }
  catch (Exception e3)
  {
  	System.out.println("Exception in MAIN method : " + e3);
  }
  
  /**
   *Displays the frame first time
   */
  frame.setSize(600,275);
  frame.setVisible(true);
  frame.setResizable(false);
}


}