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1 package com.dotmarketing.util;
2
3 import java.util.ArrayList  ;
4 import java.util.GregorianCalendar ;
5 import java.util.List ;
6 import java.util.Map ;
7 import java.util.TimeZone ;
8
9
10 public class Calendar {
11 static final String TIMEZONE = "EST";
12 static final String [] MONTH_NAME = {
13 "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November",
14 "December"
15 };
16
17 public static Map getMap() {
18 GregorianCalendar cal = new GregorianCalendar ();
19
20 return getMap(cal.get(GregorianCalendar.YEAR), cal.get(GregorianCalendar.MONTH),
21 cal.get(GregorianCalendar.DAY_OF_MONTH));
22 }
23
24 public static Map getMap(String y, String m) {
25 try {
26 return getMap(Integer.parseInt(y), Integer.parseInt(m), 1);
27 } catch (Exception e) {
28 return getMap();
29 }
30 }
31
32 public static Map getMap(int y, int m, int d) {
33 if (y < 100) {
34 y = y + 2000;
35 }
36
37 Logger.debug(Calendar.class, "Y:" + y);
38 Logger.debug(Calendar.class, "m:" + m);
39 Logger.debug(Calendar.class, "d:" + d);
40
41 GregorianCalendar cal = new GregorianCalendar (y, m, d);
42 GregorianCalendar today = new GregorianCalendar ();
43 java.util.HashMap modelRoot = new java.util.HashMap ();
44
45 int month = cal.get(GregorianCalendar.MONTH);
46 int year = cal.get(GregorianCalendar.YEAR);
47
48 int showmonth = month + 1;
49
50 if ((month < 0) || (month > 11) || (year < 1995)) {
52 month = cal.get(GregorianCalendar.MONTH);
53 year = 1995;
54 }
55
56 modelRoot.put("year", (new Integer (year).toString()));
58 modelRoot.put("month", (new Integer (month).toString()));
59 modelRoot.put("data", getCalendarData(month, year));
60 modelRoot.put("today",
61 today.get(GregorianCalendar.YEAR) + "-" + today.get(GregorianCalendar.MONTH) + "-" +
62 today.get(GregorianCalendar.DAY_OF_MONTH));
63 modelRoot.put("monthStr", MONTH_NAME[month]);
64 modelRoot.put("showmonth", (new Integer (showmonth).toString()));
65 modelRoot.put("nextYear", (new Integer (year + 1).toString()));
66 modelRoot.put("prevYear", (new Integer (year - 1).toString()));
67 modelRoot.put("prevMonth", (new Integer ((month + 11) % 12).toString()));
68 modelRoot.put("nextMonth", (new Integer ((month + 01) % 12).toString()));
69 modelRoot.put("timeZone", TIMEZONE);
70 modelRoot.put("totalDays",cal.getActualMaximum(GregorianCalendar.DAY_OF_MONTH));
71
72 return modelRoot;
73 }
74
75 private static List getCalendarData(int month, int year) {
76 ArrayList monthData = new ArrayList ();
78
79 for (int row = 0; row < 6; row++) {
80 ArrayList weekVect = new ArrayList ();
81 monthData.add(weekVect);
82
83 for (int col = 0; col < 7; col++) {
84 weekVect.add("");
85 }
86 }
87
88 GregorianCalendar cal = new GregorianCalendar (year, month, 1);
90 TimeZone tz = TimeZone.getTimeZone(TIMEZONE);
91 cal.setTimeZone(tz);
92
93 int totalDays = cal.getActualMaximum(GregorianCalendar.DAY_OF_MONTH);
94 int prevcol = 0;
95 int row = 0;
96
97 for (int i = 1; i <= totalDays; i++) {
98 cal.set(GregorianCalendar.DATE, i);
99
100 int dayOfWeek = cal.get(GregorianCalendar.DAY_OF_WEEK);
101
102 int col = dayOfWeek - GregorianCalendar.SUNDAY;
104
105 if (prevcol == 6) {
106 row++;
107 }
108
109 ArrayList weekVect = ( ArrayList ) monthData.get(row);
110 weekVect.set(col, new Integer (i));
111 prevcol = col;
112 }
113
114 if (row == 4) {
116 monthData.remove(5);
117 }
118
119 ArrayList monthList = new ArrayList ();
120
121 for (int i = 0; i < monthData.size(); i++) {
122 ArrayList weekList = new ArrayList ();
123
124 for (int j = 0; j < (( ArrayList ) monthData.get(i)).size(); j++) {
125 weekList.add(( String ) (( ArrayList ) monthData.get(i)).get(j).toString());
126 }
127
128 monthList.add(weekList);
129 }
130
131 return monthList;
132 }
133 }
134
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Java API By Example, From Geeks To Geeks.