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/**
* Copyright 2001-2003 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and
* redistribution of this file, and for a DISCLAIMER OF ALL
* WARRANTIES.
*/
import java.util.regex.Pattern;
public class TimeUtils {
/**
* Returns a phrase that conveys the exactness
* of the time.
*
* @param hour the hour of the time
* @param min the minute of the time
*
* @return a string phrase
*/
private static String timeApprox(int hour, int min) {
int mm;
mm = min % 5;
if (mm == 0) {
return "exactly";
} else if (mm == 1) {
return "just after";
} else if (mm == 2) {
return "a little after";
} else {
return "almost";
}
}
/**
* Returns a phrase that conveys the minutes in relation
* to the hour.
*
* @param hour the hour of the time
* @param min the minute of the time
*
* @return a string phrase.
*/
private static String timeMin(int hour, int min) {
int mm;
mm = min / 5;
if ((min % 5) > 2) {
mm += 1;
}
mm = mm * 5;
if (mm > 55) {
mm = 0;
}
if (mm == 0) {
return "";
} else if (mm == 5) {
return "five past";
} else if (mm == 10) {
return "ten past";
} else if (mm == 15) {
return "quarter past";
} else if (mm == 20) {
return "twenty past";
} else if (mm == 25) {
return "twenty-five past";
} else if (mm == 30) {
return "half past";
} else if (mm == 35) {
return "twenty-five to";
} else if (mm == 40) {
return "twenty to";
} else if (mm == 45) {
return "quarter to";
} else if (mm == 50) {
return "ten to";
} else if (mm == 55) {
return "five to";
} else {
return "five to";
}
}
/**
* Returns a phrase that conveys the hour in relation
* to the hour.
*
* @param hour the hour of the time
* @param min the minute of the time
*
* @return a string phrase.
*/
private static String timeHour(int hour, int min) {
int hh;
hh = hour;
if (min > 32) { // PBL: fixed from flite_time
hh += 1;
}
if (hh == 24) {
hh = 0;
}
if (hh > 12) {
hh -= 12;
}
if (hh == 0) {
return "midnight";
} else if (hh == 1) {
return "one";
} else if (hh == 2) {
return "two";
} else if (hh == 3) {
return "three";
} else if (hh == 4) {
return "four";
} else if (hh == 5) {
return "five";
} else if (hh == 6) {
return "six";
} else if (hh == 7) {
return "seven";
} else if (hh == 8) {
return "eight";
} else if (hh == 9) {
return "nine";
} else if (hh == 10) {
return "ten";
} else if (hh == 11) {
return "eleven";
} else if (hh == 12) {
return "twelve";
} else {
return "twelve";
}
}
/**
* Returns a phrase that conveys the time of day.
*
* @param hour the hour of the time
* @param min the minute of the time
*
* @return a string phrase
*/
private static String timeOfDay(int hour, int min) {
int hh = hour;
if (min > 58)
hh++;
if (hh == 24) {
return "";
} else if (hh > 17) {
return "in the evening";
} else if (hh > 11) {
return "in the afternoon";
} else if ((hh == 0) && (min < 33)) {
return "";
} else {
return "in the morning";
}
}
/**
* Returns a string that corresponds to the given time.
*
* @param time the time in the form HH:MM
*
* @return the time in string, null if the given time is not in the
* form HH:MM
*/
public static String timeToString(String time) {
String theTime = null;
if (Pattern.matches("[012][0-9]:[0-5][0-9]", time)) {
int hour = Integer.parseInt(time.substring(0, 2));
int min = Integer.parseInt(time.substring(3));
theTime = timeToString(hour, min);
}
return theTime;
}
/**
* Returns a string that corresponds to the given time.
*
* @param hour the hour
* @param min the minutes
*
* @return the time in string, null if the given time out of range
*/
public static String timeToString(int hour, int min) {
String theTime = "The time is now, " +
timeApprox(hour, min) + " " +
timeMin(hour, min) + " " +
timeHour(hour, min) + ", " +
timeOfDay(hour, min) + "." ;
return theTime;
}
}
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