1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
package net.ess3.utils;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static net.ess3.I18n._;
public class DateUtil
{
public static String formatDateDiff(long date)
{
Calendar c = new GregorianCalendar();
c.setTimeInMillis(date);
Calendar now = new GregorianCalendar();
return formatDateDiff(now, c);
}
public static String formatDateDiff(Calendar fromDate, Calendar toDate)
{
boolean future = false;
if (toDate.equals(fromDate))
{
return _("now");
}
if (toDate.after(fromDate))
{
future = true;
}
StringBuilder sb = new StringBuilder();
int[] types = new int[]{
Calendar.YEAR, Calendar.MONTH, Calendar.DAY_OF_MONTH, Calendar.HOUR_OF_DAY, Calendar.MINUTE, Calendar.SECOND
};
String[] names = new String[]{
_("year"), _("years"), _("month"), _("months"), _("day"), _("days"), _("hour"), _("hours"), _("minute"), _("minutes"), _("second"), _("seconds")
};
for (int i = 0; i < types.length; i++)
{
int diff = dateDiff(types[i], fromDate, toDate, future);
if (diff > 0)
{
sb.append(" ").append(diff).append(" ").append(names[i * 2 + (diff > 1 ? 1 : 0)]);
}
}
if (sb.length() == 0)
{
return "now";
}
return sb.toString();
}
private static int dateDiff(int type, Calendar fromDate, Calendar toDate, boolean future)
{
int diff = 0;
long savedDate = fromDate.getTimeInMillis();
while ((future && !fromDate.after(toDate)) || (!future && !fromDate.before(toDate)))
{
savedDate = fromDate.getTimeInMillis();
fromDate.add(type, future ? 1 : -1);
diff++;
}
diff--;
fromDate.setTimeInMillis(savedDate);
return diff;
}
public static long parseDateDiff(String time, boolean future) throws Exception
{
Pattern timePattern = Pattern.compile(
"(?:([0-9]+)\\s*y[a-z]*[,\\s]*)?" + "(?:([0-9]+)\\s*mo[a-z]*[,\\s]*)?" + "(?:([0-9]+)\\s*w[a-z]*[,\\s]*)?" + "(?:([0-9]+)\\s*d[a-z]*[,\\s]*)?" + "(?:([0-9]+)\\s*h[a-z]*[,\\s]*)?" + "(?:([0-9]+)\\s*m[a-z]*[,\\s]*)?" + "(?:([0-9]+)\\s*(?:s[a-z]*)?)?",
Pattern.CASE_INSENSITIVE);
Matcher m = timePattern.matcher(time);
int years = 0;
int months = 0;
int weeks = 0;
int days = 0;
int hours = 0;
int minutes = 0;
int seconds = 0;
boolean found = false;
while (m.find())
{
if (m.group() == null || m.group().isEmpty())
{
continue;
}
for (int i = 0; i < m.groupCount(); i++)
{
if (m.group(i) != null && !m.group(i).isEmpty())
{
found = true;
break;
}
}
if (found)
{
if (m.group(1) != null && !m.group(1).isEmpty())
{
years = Integer.parseInt(m.group(1));
}
if (m.group(2) != null && !m.group(2).isEmpty())
{
months = Integer.parseInt(m.group(2));
}
if (m.group(3) != null && !m.group(3).isEmpty())
{
weeks = Integer.parseInt(m.group(3));
}
if (m.group(4) != null && !m.group(4).isEmpty())
{
days = Integer.parseInt(m.group(4));
}
if (m.group(5) != null && !m.group(5).isEmpty())
{
hours = Integer.parseInt(m.group(5));
}
if (m.group(6) != null && !m.group(6).isEmpty())
{
minutes = Integer.parseInt(m.group(6));
}
if (m.group(7) != null && !m.group(7).isEmpty())
{
seconds = Integer.parseInt(m.group(7));
}
break;
}
}
if (!found)
{
throw new Exception(_("illegalDate"));
}
Calendar c = new GregorianCalendar();
if (years > 0)
{
c.add(Calendar.YEAR, years * (future ? 1 : -1));
}
if (months > 0)
{
c.add(Calendar.MONTH, months * (future ? 1 : -1));
}
if (weeks > 0)
{
c.add(Calendar.WEEK_OF_YEAR, weeks * (future ? 1 : -1));
}
if (days > 0)
{
c.add(Calendar.DAY_OF_MONTH, days * (future ? 1 : -1));
}
if (hours > 0)
{
c.add(Calendar.HOUR_OF_DAY, hours * (future ? 1 : -1));
}
if (minutes > 0)
{
c.add(Calendar.MINUTE, minutes * (future ? 1 : -1));
}
if (seconds > 0)
{
c.add(Calendar.SECOND, seconds * (future ? 1 : -1));
}
return c.getTimeInMillis();
}
}
|
