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annotate core/src/luan/modules/Time.luan @ 290:9a0cc6d9b27b
add Time.period();
add assert_long();
git-svn-id: https://luan-java.googlecode.com/svn/trunk@291 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Tue, 09 Dec 2014 04:39:18 +0000 |
parents | b669cdaf54b7 |
children | 899253043270 |
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1 -- incomplete, will add as needed |
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2 |
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3 import "luan:String" |
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4 import "luan:Table" |
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5 import "luan:Java" |
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6 import "java:java.lang.System" |
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7 import "java:java.util.Calendar" |
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8 import "java:java.util.Date" |
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9 import "java:java.util.TimeZone" |
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10 import "java:java.text.SimpleDateFormat" |
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11 |
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12 |
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13 function now() |
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14 return System.currentTimeMillis() |
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15 end |
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16 |
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17 -- add more as needed |
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18 local fields = { |
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19 year = Calendar.YEAR; |
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20 month = Calendar.MONTH; |
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21 day_of_month = Calendar.DAY_OF_MONTH; |
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22 } |
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23 |
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24 function get( time, ... ) |
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25 local cal = Calendar.getInstance() |
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26 cal.setTimeInMillis(time) |
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27 local rtn = {} |
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28 for i, v in ipairs{...} do |
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29 local fld = fields[v.lower()] |
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30 fld or error("invalid field: "+v) |
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31 local n = cal.get(fld) |
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32 if fld == "month" then |
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33 n = n + 1 |
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34 end |
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35 rtn[i] = n |
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36 end |
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37 return Table.unpack(rtn) |
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38 end |
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39 |
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40 function format(time,pattern) |
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41 pattern = pattern or "yyyy-MM-dd HH:m:ss" |
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42 return SimpleDateFormat.new(pattern).format(Date.new(time)) |
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43 end |
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44 |
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45 function on( year, month, day, hour, minute, second, millis ) |
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46 month = month - 1 |
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47 local cal = Calendar.getInstance() |
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48 cal.setLenient(false) |
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49 cal.set( year, month, day, hour or 0, minute or 0, second or 0 ) |
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50 cal.set( Calendar.MILLISECOND, millis or 0 ) |
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51 return cal.getTimeInMillis() |
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52 end |
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53 |
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54 function period( days, hours, minutes, seconds, millis ) |
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55 local cal = Calendar.getInstance() |
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56 cal.setTimeZone(TimeZone.getTimeZone("GMT")) |
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57 days = days + 1 |
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58 cal.set( 1970, 0, days, hours or 0, minutes or 0, seconds or 0 ) |
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59 cal.set( Calendar.MILLISECOND, millis or 0 ) |
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60 return cal.getTimeInMillis() |
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61 end |
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62 |
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63 function parse( pattern, source ) |
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64 return SimpleDateFormat.new(pattern).parse(source).getTime() |
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65 end |