speechcalendar.java

Creating a Speech-Enabled Calendar Application

						{
							temp=getYear(Integer.parseInt(val3));
							speak=getMntName(val1)+"      "+val2+"      "+temp;
							System.out.println(speak);
						}
						else
						/*
						Checks if the selected format is dd/mm/yy or dd/mm/yyyy
						*/
						
						if(format.equals("dd/mm/yy")||format.equals("dd/mm/yyyy"))
						{
							temp=getYear(Integer.parseInt(val3));
							speak=val1+"      "+getMntName(val2)+"      "+temp;
							System.out.println(speak);
						}
					}
				}
				else
				/* 
				Checks if the JRadioButton, Enter Date is selected
				*/
				if(selDate.isSelected())
				{
					/*
					Create an instance of StringTokenizer class
					*/
					StringTokenizer st=new StringTokenizer(dateText.getText(),"/");
					/*
					Get the count of total number of tokens in the StringTokenizer class
					*/
					int count=st.countTokens();
					/*Checks if the value of count is 3*/
					if(count==3)
					{
						/*
						Checks and executes if the StringTokenizer class contains any token
						*/
						while(st.hasMoreTokens())
						{
							/*
							Retrieve the tokens in String variables.
							*/
							String chk1=st.nextToken();
							String chk2=st.nextToken();
							String chk3=st.nextToken();
							String tmp;
							/*
							Convert the string values of tokens to integers
							*/							
							int i=Integer.parseInt(chk1);
							int j=Integer.parseInt(chk2);
							int k=Integer.parseInt(chk3);
							/*
							Checks if the selected format is yyyy/mm/dd or yy/mm/dd
							*/
							if (format.equals("yyyy/mm/dd")||format.equals("yy/mm/dd"))
							{
								/*
								Checks if the date entered is valid or not.
								*/
								boolean res=dateIsValid(i,j,k);
								if(res)
								{
									tmp=getYear(i);
									speak=tmp+"      "+getMntName(chk2)+"      "+chk3;
								}
								else
								{
									/*
									Prompts that an invalid date is entered
									*/
									speak="Invalid date, please try again";
									dateText.setText("");
									dateText.grabFocus();
								}
							}
							else
							/*
							Checks if the selected format is mm/dd/yy or mm/dd/yyyy
							*/
							if(format.equals("mm/dd/yy")||format.equals("mm/dd/yyyy"))
							{
								/*
								Checks for a valid date
								*/
								boolean res=dateIsValid(k,i,j);
								if (res)
								{
									tmp=getYear(k);
									speak=getMntName(chk1)+"      "+chk2+"      "+tmp;
								}
								else
								{
									/*
									Prompts for an invalid date entry
									*/
									speak="Invalid date, please try again";
									dateText.setText("");
									dateText.grabFocus();
								}
							}
							else
							/*
							Checks if the selected date format is dd/mm/yy or dd/mm/yyyy
							*/
							if(format.equals("dd/mm/yy")||format.equals("dd/mm/yyyy"))
							{
								/*
								Checks if a date is valid
								*/
								boolean res=dateIsValid(k,j,i);
								if(res)
								{
									tmp=getYear(k);
									speak=chk1+"      "+getMntName(chk2)+"      "+tmp;
								}
								else
								{
									/*
									Prompts that the date entered is invalid
									*/
									speak="Invalid date, please try again";
									dateText.setText("");
									dateText.grabFocus();
								}
							}
						}
					}
					else
					{
						/*
						Prompts for an invalid date entry format
						*/
						speak="Invalid date format, enter again";
						/*
						Clear the dateText text field
						*/
						dateText.setText("");
						/*
						Set the focus to the dateText textfield
						*/
						dateText.grabFocus();
					}
				}
			}
			/*
			This code executes when the user clicks the Speak button in the Time pane of JTabbedPane
			*/
			else if(ev.getSource()==timeSpeak)
			{
				speak="no entry specified";
				/*
				Checks if the JRadioButton, Current Time is selected
				*/
				if(cTime.isSelected())
				{
				/*
				Create an object of StringTokenizer class
				*/
				StringTokenizer st=new StringTokenizer(time.getText(),":");
				/*
				Checks if the StringTokenizer class has any element
				*/
				while(st.hasMoreTokens())
					{
				      speak="The time is"+st.nextToken()+" hours  "+st.nextToken()+"    minutes"+st.nextToken()+"  seconds";
					}
				}
				else
				/*
				Checks if the JRadioButton, Enter Time is selected
				*/
				if(selTime.isSelected())
				{
					/*
					Create an object of StringTokenizer class
					*/
					StringTokenizer st=new StringTokenizer(timeText.getText(),":");
					/*
					Count the number of tokens in the StringTokenizer class
					*/
					int count=st.countTokens();
					/*
					Checks if three tokens exists
					*/
					if (count==3)
					{
						/* 
						Executes if the STringTokenizer class contains any token
						*/
						while (st.hasMoreTokens())
						{
							/*
							Convert the values of current hour, current minutes, and current seconds to integer values
							*/
							int hr=Integer.parseInt(st.nextToken());
							int min=Integer.parseInt(st.nextToken());
							int sec=Integer.parseInt(st.nextToken());
							/*
							checks if the time specified is valid
							*/
							if(hr>=0 && hr<=24 && min>=0 && min<60 && sec>=0 && sec<60)
								speak=" The time is"+String.valueOf(hr)+"hour"+String.valueOf(min)+"minutes"+String.valueOf(sec)+"seconds";
							else
							{	
								/*
								 Prompt for invalid entry of time
								 */
								speak=" The time specified is invalid, please enter again";
								/*
								clear the text field to enter time
								*/
								timeText.setText("");
								/*
								Set the focus to the cleasred text field
								*/
								timeText.grabFocus();
							}
						}
					}
					else
					{
						/*
						Prompts that the entry for time is invalid
						*/
						speak="Invalid format for time, enter again";
						timeText.setText("");
						timeText.grabFocus();
					}
				}
			}
			/*
			create and initializes an instance of SpeakText class.
			*/
			SpeakText hw=new SpeakText(speak);
		}
	}
	/*
		setFormat():Select the date formet
		Parameters: 
				s: An object of String class
		Return Type:NA
	*/
	 public void setFormat(String s)
	{
		 format=s;
		 System.out.println(format);
		 StringTokenizer dateToken=new StringTokenizer(dateValue,"/");
		 /*
		 Checks if the selected date format is yyyy/mm/dd
		 */
		 if (s.equals("yyyy/mm/dd"))
		 {
			selDate.setLabel("Enter Date (yyyy/mm/dd)");
			date.setText(k1+"/"+k2+"/"+k3);
		}
		 else
		/*
		 Checks if the selected date format is yy/mm/dd
		 */	 
		 if(s.equals("yy/mm/dd"))
		{
			 selDate.setLabel("Enter Date (yy/mm/dd)");
			 date.setText(k1.substring(2,4)+"/"+k2+"/"+k3);
		}
		else
		/*
		 Checks if the selected date format is mm/dd/yy
		 */
		if(s.equals("mm/dd/yy"))
		{
			selDate.setLabel("Enter Date (mm/dd/yy)");
			date.setText(k2+"/"+k3+"/"+k1.substring(2,4));
		}
		else
		/*
		 Checks if the selected date format is mm/dd/yyyy
		 */
		if(s.equals("mm/dd/yyyy"))
		{
			selDate.setLabel("Enter Date (mm/dd/yyyy)");
			date.setText(k2+"/"+k3+"/"+k1);
		}
		else
		/*
		 Checks if the selected date format is dd/mm/yy
		 */
		if(s.equals("dd/mm/yy"))
		{
			selDate.setLabel("Enter Date (dd/mm/yy)");
			date.setText(k3+"/"+k2+"/"+k1.substring(2,4));
		}
		else
		/*
		 Checks if the selected date format is dd/mm/yyyy
		 */
		if(s.equals("dd/mm/yyyy"))
		{
			selDate.setLabel("Enter Date (dd/mm/yyyy)");
			date.setText(k3+"/"+k2+"/"+k1);
		}
		dateText.setText("");
		dateText.grabFocus();
	}
	/*
			getMntName(): Retrieve the string value of the month passed as a parameter to the method
			Parameters:
					mnt: An object of String class.
			Return Type: String
	*/
	public String getMntName(String mnt)
	{
		String month=null;
		/*
		Retrieve the corresponding string value of the month
		*/
		if(mnt.equals("1")||mnt.equals("01")) month = "January";
		else if(mnt.equals("2")||mnt.equals("02")) month = "Feburary";
		else if(mnt.equals("3")||mnt.equals("03")) month = "March";
		else if(mnt.equals("4")||mnt.equals("04")) month = "April";
		else if(mnt.equals("5")||mnt.equals("05")) month = "May";
		else if(mnt.equals("6")||mnt.equals("06")) month = "June";
		else if(mnt.equals("7")||mnt.equals("07")) month = "July";
		else if(mnt.equals("8")||mnt.equals("08")) month = "August";
		else if(mnt.equals("9")||mnt.equals("09")) month = "September";
		else if(mnt.equals("10")) month = "October";
		else if(mnt.equals("11")) month = "November";
		else if(mnt.equals("12")) month = "December";
		/*Return month*/
		return month;
	}
	/*
		dateIsValid():Checks if a date is valid
		Parameters:
				year: Integer value for the year.
				month: Integer value for the month.
				day: Integer value for the day.
		Return Type: boolean
	*/
	private static boolean dateIsValid(int year, int month, int day)
	{
		boolean result = true;
		try
		{		
			/* 
			Create an object of DateFormat class
			*/
			DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, Locale.US);
			df.setLenient(false);
			final String dateString = month + "/" + day + "/" + year;
			df.parse(dateString);
		}
		catch (Exception e)
		{
			result = false;
		}
		/*
		Retun the boolean variable, result
		*/
		return result;
	}
	/*
		getYear(): Returns the current year.
		Parameters:
				a: Integer value for the year.
		Return Type: String
	*/
	public String getYear(int a)
	{
		String yearSpeak;
		if(a>=80 && a<=99)
		{
			yearSpeak="Nineteen"+String.valueOf(a);
		}
		else
		if (a>=01 && a<=04)
		{
			yearSpeak="Two thousand"+String.valueOf(a);
		}
		else
			yearSpeak=String.valueOf(a);
		return yearSpeak;
	}
	/* 
		main():Create the main window for the application
		Parameters
				str[]: An array of String values.
		Return Type: NA
	*/
	public static void main(String str[])
	{
		/* 
		Initialize an instance of SpeechCalendar class
		*/
		SpeechCalendar sc=new SpeechCalendar();
		sc.setVisible(true);
	}
}