Tomcat example source code file (JspCalendar.java)

This example Tomcat source code file (JspCalendar.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

alaskan, central, date, date, december, january, jspcalendar, jspcalendar, man, saturday, string, string, unknown, unknown, util

The Tomcat JspCalendar.java source code

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dates;

import java.util.*;

public class JspCalendar {
    Calendar  calendar = null;

    public JspCalendar() {
	calendar = Calendar.getInstance();
	Date trialTime = new Date();
	calendar.setTime(trialTime);
    }

    public int getYear() {
	return calendar.get(Calendar.YEAR);
    }
    
    public String getMonth() {
	int m = getMonthInt();
	String[] months = new String [] { "January", "February", "March",
					"April", "May", "June",
					"July", "August", "September",
					"October", "November", "December" };
	if (m > 12)
	    return "Unknown to Man";
	
	return months[m - 1];

    }

    public String getDay() {
	int x = getDayOfWeek();
	String[] days = new String[] {"Sunday", "Monday", "Tuesday", "Wednesday", 
				      "Thursday", "Friday", "Saturday"};

	if (x > 7)
	    return "Unknown to Man";

	return days[x - 1];

    }
    
    public int getMonthInt() {
	return 1 + calendar.get(Calendar.MONTH);
    }

    public String getDate() {
	return getMonthInt() + "/" + getDayOfMonth() + "/" +  getYear();

    }

    public String getTime() {
	return getHour() + ":" + getMinute() + ":" + getSecond();
    }

    public int getDayOfMonth() {
	return calendar.get(Calendar.DAY_OF_MONTH);
    }

    public int getDayOfYear() {
	return calendar.get(Calendar.DAY_OF_YEAR);
    }

    public int getWeekOfYear() {
	return calendar.get(Calendar.WEEK_OF_YEAR);
    }

    public int getWeekOfMonth() {
	return calendar.get(Calendar.WEEK_OF_MONTH);
    }

    public int getDayOfWeek() {
	return calendar.get(Calendar.DAY_OF_WEEK);
    }
     
    public int getHour() {
	return calendar.get(Calendar.HOUR_OF_DAY);
    }
    
    public int getMinute() {
	return calendar.get(Calendar.MINUTE);
    }


    public int getSecond() {
	return calendar.get(Calendar.SECOND);
    }

    public static void main(String args[]) {
	JspCalendar db = new JspCalendar();
	p("date: " + db.getDayOfMonth());
	p("year: " + db.getYear());
	p("month: " + db.getMonth());
	p("time: " + db.getTime());
	p("date: " + db.getDate());
	p("Day: " + db.getDay());
	p("DayOfYear: " + db.getDayOfYear());
	p("WeekOfYear: " + db.getWeekOfYear());
	p("era: " + db.getEra());
	p("ampm: " + db.getAMPM());
	p("DST: " + db.getDSTOffset());
	p("ZONE Offset: " + db.getZoneOffset());
	p("TIMEZONE: " + db.getUSTimeZone());
    }

    private static void p(String x) {
	System.out.println(x);
    }


    public int getEra() {
	return calendar.get(Calendar.ERA);
    }

    public String getUSTimeZone() {
	String[] zones = new String[] {"Hawaii", "Alaskan", "Pacific",
				       "Mountain", "Central", "Eastern"};
	
	return zones[10 + getZoneOffset()];
    }

    public int getZoneOffset() {
	return calendar.get(Calendar.ZONE_OFFSET)/(60*60*1000);
    }


    public int getDSTOffset() {
	return calendar.get(Calendar.DST_OFFSET)/(60*60*1000);
    }

    
    public int getAMPM() {
	return calendar.get(Calendar.AM_PM);
    }
}