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annotate core/src/luan/modules/Time.luan @ 297:899253043270

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remove PackageLuan.load_lib() git-svn-id: https://luan-java.googlecode.com/svn/trunk@298 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 16 Dec 2014 03:26:43 +0000
parents 9a0cc6d9b27b
children 9fb523472035
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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 "java:java.lang.System"
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6 import "java:java.util.Calendar"
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7 import "java:java.util.Date"
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8 import "java:java.util.TimeZone"
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9 import "java:java.text.SimpleDateFormat"
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12 function now()
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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13 return System.currentTimeMillis()
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14 end
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16 -- add more as needed
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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17 local fields = {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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18 year = Calendar.YEAR;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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19 month = Calendar.MONTH;
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20 day_of_month = Calendar.DAY_OF_MONTH;
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21 }
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23 function get( time, ... )
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24 local cal = Calendar.getInstance()
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25 cal.setTimeInMillis(time)
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26 local rtn = {}
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27 for i, v in ipairs{...} do
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28 local fld = fields[v.lower()]
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29 fld or error("invalid field: "+v)
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30 local n = cal.get(fld)
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31 if fld == "month" then
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32 n = n + 1
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33 end
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34 rtn[i] = n
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35 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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36 return Table.unpack(rtn)
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37 end
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39 function format(time,pattern)
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40 pattern = pattern or "yyyy-MM-dd HH:m:ss"
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41 return SimpleDateFormat.new(pattern).format(Date.new(time))
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42 end
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43
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44 function on( year, month, day, hour, minute, second, millis )
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45 month = month - 1
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46 local cal = Calendar.getInstance()
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47 cal.setLenient(false)
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48 cal.set( year, month, day, hour or 0, minute or 0, second or 0 )
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49 cal.set( Calendar.MILLISECOND, millis or 0 )
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50 return cal.getTimeInMillis()
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51 end
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52
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53 function period( days, hours, minutes, seconds, millis )
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54 local cal = Calendar.getInstance()
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55 cal.setTimeZone(TimeZone.getTimeZone("GMT"))
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56 days = days + 1
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57 cal.set( 1970, 0, days, hours or 0, minutes or 0, seconds or 0 )
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58 cal.set( Calendar.MILLISECOND, millis or 0 )
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59 return cal.getTimeInMillis()
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60 end
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61
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62 function parse( pattern, source )
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63 return SimpleDateFormat.new(pattern).parse(source).getTime()
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64 end