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Struts example source code file (common.js)

This example Struts source code file (common.js) 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 - Struts tags/keywords

a-z, date, date, day, day, hour, hour, millisecond, month, second, time, time, week, weekday

The Struts common.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.date.common");
dojo.date.setDayOfYear = function (dateObject, dayOfYear) {
	dateObject.setMonth(0);
	dateObject.setDate(dayOfYear);
	return dateObject;
};
dojo.date.getDayOfYear = function (dateObject) {
	var fullYear = dateObject.getFullYear();
	var lastDayOfPrevYear = new Date(fullYear - 1, 11, 31);
	return Math.floor((dateObject.getTime() - lastDayOfPrevYear.getTime()) / 86400000);
};
dojo.date.setWeekOfYear = function (dateObject, week, firstDay) {
	if (arguments.length == 1) {
		firstDay = 0;
	}
	dojo.unimplemented("dojo.date.setWeekOfYear");
};
dojo.date.getWeekOfYear = function (dateObject, firstDay) {
	if (arguments.length == 1) {
		firstDay = 0;
	}
	var firstDayOfYear = new Date(dateObject.getFullYear(), 0, 1);
	var day = firstDayOfYear.getDay();
	firstDayOfYear.setDate(firstDayOfYear.getDate() - day + firstDay - (day > firstDay ? 7 : 0));
	return Math.floor((dateObject.getTime() - firstDayOfYear.getTime()) / 604800000);
};
dojo.date.setIsoWeekOfYear = function (dateObject, week, firstDay) {
	if (arguments.length == 1) {
		firstDay = 1;
	}
	dojo.unimplemented("dojo.date.setIsoWeekOfYear");
};
dojo.date.getIsoWeekOfYear = function (dateObject, firstDay) {
	if (arguments.length == 1) {
		firstDay = 1;
	}
	dojo.unimplemented("dojo.date.getIsoWeekOfYear");
};
dojo.date.shortTimezones = ["IDLW", "BET", "HST", "MART", "AKST", "PST", "MST", "CST", "EST", "AST", "NFT", "BST", "FST", "AT", "GMT", "CET", "EET", "MSK", "IRT", "GST", "AFT", "AGTT", "IST", "NPT", "ALMT", "MMT", "JT", "AWST", "JST", "ACST", "AEST", "LHST", "VUT", "NFT", "NZT", "CHAST", "PHOT", "LINT"];
dojo.date.timezoneOffsets = [-720, -660, -600, -570, -540, -480, -420, -360, -300, -240, -210, -180, -120, -60, 0, 60, 120, 180, 210, 240, 270, 300, 330, 345, 360, 390, 420, 480, 540, 570, 600, 630, 660, 690, 720, 765, 780, 840];
dojo.date.getDaysInMonth = function (dateObject) {
	var month = dateObject.getMonth();
	var days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
	if (month == 1 && dojo.date.isLeapYear(dateObject)) {
		return 29;
	} else {
		return days[month];
	}
};
dojo.date.isLeapYear = function (dateObject) {
	var year = dateObject.getFullYear();
	return (year % 400 == 0) ? true : (year % 100 == 0) ? false : (year % 4 == 0) ? true : false;
};
dojo.date.getTimezoneName = function (dateObject) {
	var str = dateObject.toString();
	var tz = "";
	var match;
	var pos = str.indexOf("(");
	if (pos > -1) {
		pos++;
		tz = str.substring(pos, str.indexOf(")"));
	} else {
		var pat = /([A-Z\/]+) \d{4}$/;
		if ((match = str.match(pat))) {
			tz = match[1];
		} else {
			str = dateObject.toLocaleString();
			pat = / ([A-Z\/]+)$/;
			if ((match = str.match(pat))) {
				tz = match[1];
			}
		}
	}
	return tz == "AM" || tz == "PM" ? "" : tz;
};
dojo.date.getOrdinal = function (dateObject) {
	var date = dateObject.getDate();
	if (date % 100 != 11 && date % 10 == 1) {
		return "st";
	} else {
		if (date % 100 != 12 && date % 10 == 2) {
			return "nd";
		} else {
			if (date % 100 != 13 && date % 10 == 3) {
				return "rd";
			} else {
				return "th";
			}
		}
	}
};
dojo.date.compareTypes = {DATE:1, TIME:2};
dojo.date.compare = function (dateA, dateB, options) {
	var dA = dateA;
	var dB = dateB || new Date();
	var now = new Date();
	with (dojo.date.compareTypes) {
		var opt = options || (DATE | TIME);
		var d1 = new Date((opt & DATE) ? dA.getFullYear() : now.getFullYear(), (opt & DATE) ? dA.getMonth() : now.getMonth(), (opt & DATE) ? dA.getDate() : now.getDate(), (opt & TIME) ? dA.getHours() : 0, (opt & TIME) ? dA.getMinutes() : 0, (opt & TIME) ? dA.getSeconds() : 0);
		var d2 = new Date((opt & DATE) ? dB.getFullYear() : now.getFullYear(), (opt & DATE) ? dB.getMonth() : now.getMonth(), (opt & DATE) ? dB.getDate() : now.getDate(), (opt & TIME) ? dB.getHours() : 0, (opt & TIME) ? dB.getMinutes() : 0, (opt & TIME) ? dB.getSeconds() : 0);
	}
	if (d1.valueOf() > d2.valueOf()) {
		return 1;
	}
	if (d1.valueOf() < d2.valueOf()) {
		return -1;
	}
	return 0;
};
dojo.date.dateParts = {YEAR:0, MONTH:1, DAY:2, HOUR:3, MINUTE:4, SECOND:5, MILLISECOND:6, QUARTER:7, WEEK:8, WEEKDAY:9};
dojo.date.add = function (dt, interv, incr) {
	if (typeof dt == "number") {
		dt = new Date(dt);
	}
	function fixOvershoot() {
		if (sum.getDate() < dt.getDate()) {
			sum.setDate(0);
		}
	}
	var sum = new Date(dt);
	with (dojo.date.dateParts) {
		switch (interv) {
		  case YEAR:
			sum.setFullYear(dt.getFullYear() + incr);
			fixOvershoot();
			break;
		  case QUARTER:
			incr *= 3;
		  case MONTH:
			sum.setMonth(dt.getMonth() + incr);
			fixOvershoot();
			break;
		  case WEEK:
			incr *= 7;
		  case DAY:
			sum.setDate(dt.getDate() + incr);
			break;
		  case WEEKDAY:
			var dat = dt.getDate();
			var weeks = 0;
			var days = 0;
			var strt = 0;
			var trgt = 0;
			var adj = 0;
			var mod = incr % 5;
			if (mod == 0) {
				days = (incr > 0) ? 5 : -5;
				weeks = (incr > 0) ? ((incr - 5) / 5) : ((incr + 5) / 5);
			} else {
				days = mod;
				weeks = parseInt(incr / 5);
			}
			strt = dt.getDay();
			if (strt == 6 && incr > 0) {
				adj = 1;
			} else {
				if (strt == 0 && incr < 0) {
					adj = -1;
				}
			}
			trgt = (strt + days);
			if (trgt == 0 || trgt == 6) {
				adj = (incr > 0) ? 2 : -2;
			}
			sum.setDate(dat + (7 * weeks) + days + adj);
			break;
		  case HOUR:
			sum.setHours(sum.getHours() + incr);
			break;
		  case MINUTE:
			sum.setMinutes(sum.getMinutes() + incr);
			break;
		  case SECOND:
			sum.setSeconds(sum.getSeconds() + incr);
			break;
		  case MILLISECOND:
			sum.setMilliseconds(sum.getMilliseconds() + incr);
			break;
		  default:
			break;
		}
	}
	return sum;
};
dojo.date.diff = function (dtA, dtB, interv) {
	if (typeof dtA == "number") {
		dtA = new Date(dtA);
	}
	if (typeof dtB == "number") {
		dtB = new Date(dtB);
	}
	var yeaDiff = dtB.getFullYear() - dtA.getFullYear();
	var monDiff = (dtB.getMonth() - dtA.getMonth()) + (yeaDiff * 12);
	var msDiff = dtB.getTime() - dtA.getTime();
	var secDiff = msDiff / 1000;
	var minDiff = secDiff / 60;
	var houDiff = minDiff / 60;
	var dayDiff = houDiff / 24;
	var weeDiff = dayDiff / 7;
	var delta = 0;
	with (dojo.date.dateParts) {
		switch (interv) {
		  case YEAR:
			delta = yeaDiff;
			break;
		  case QUARTER:
			var mA = dtA.getMonth();
			var mB = dtB.getMonth();
			var qA = Math.floor(mA / 3) + 1;
			var qB = Math.floor(mB / 3) + 1;
			qB += (yeaDiff * 4);
			delta = qB - qA;
			break;
		  case MONTH:
			delta = monDiff;
			break;
		  case WEEK:
			delta = parseInt(weeDiff);
			break;
		  case DAY:
			delta = dayDiff;
			break;
		  case WEEKDAY:
			var days = Math.round(dayDiff);
			var weeks = parseInt(days / 7);
			var mod = days % 7;
			if (mod == 0) {
				days = weeks * 5;
			} else {
				var adj = 0;
				var aDay = dtA.getDay();
				var bDay = dtB.getDay();
				weeks = parseInt(days / 7);
				mod = days % 7;
				var dtMark = new Date(dtA);
				dtMark.setDate(dtMark.getDate() + (weeks * 7));
				var dayMark = dtMark.getDay();
				if (dayDiff > 0) {
					switch (true) {
					  case aDay == 6:
						adj = -1;
						break;
					  case aDay == 0:
						adj = 0;
						break;
					  case bDay == 6:
						adj = -1;
						break;
					  case bDay == 0:
						adj = -2;
						break;
					  case (dayMark + mod) > 5:
						adj = -2;
						break;
					  default:
						break;
					}
				} else {
					if (dayDiff < 0) {
						switch (true) {
						  case aDay == 6:
							adj = 0;
							break;
						  case aDay == 0:
							adj = 1;
							break;
						  case bDay == 6:
							adj = 2;
							break;
						  case bDay == 0:
							adj = 1;
							break;
						  case (dayMark + mod) < 0:
							adj = 2;
							break;
						  default:
							break;
						}
					}
				}
				days += adj;
				days -= (weeks * 2);
			}
			delta = days;
			break;
		  case HOUR:
			delta = houDiff;
			break;
		  case MINUTE:
			delta = minDiff;
			break;
		  case SECOND:
			delta = secDiff;
			break;
		  case MILLISECOND:
			delta = msDiff;
			break;
		  default:
			break;
		}
	}
	return Math.round(delta);
};

Other Struts examples (source code examples)

Here is a short list of links related to this Struts common.js source code file:

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