svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / date / TimestampFunction.java @ 43987
History | View | Annotate | Download (1.35 KB)
1 |
package org.gvsig.expressionevaluator.impl.function.date; |
---|---|
2 |
|
3 |
import java.text.ParseException; |
4 |
import java.text.SimpleDateFormat; |
5 |
import java.util.Date; |
6 |
import org.apache.commons.lang3.Range; |
7 |
import org.gvsig.expressionevaluator.Interpreter; |
8 |
import org.gvsig.expressionevaluator.spi.AbstractFunction; |
9 |
|
10 |
public class TimestampFunction extends AbstractFunction { |
11 |
|
12 |
public TimestampFunction() {
|
13 |
super("Date", "TIMESTAMP",Range.between(1,2), |
14 |
"Returns a time stamp from the arguments",
|
15 |
"TIMESTAMP({{timestamp}}, format)",
|
16 |
new String[]{ |
17 |
"timestamp - a string with a date/time",
|
18 |
"format - Optional. Format to use to parse the timestamp"
|
19 |
}, |
20 |
"Timestamp"
|
21 |
); |
22 |
} |
23 |
|
24 |
@Override
|
25 |
public Object call(Interpreter interpreter, Object[] args) { |
26 |
String date = getStr(args, 0); |
27 |
String format = null; |
28 |
if( args.length==2 ) { |
29 |
format = getStr(args, 1);
|
30 |
} |
31 |
SimpleDateFormat df = new SimpleDateFormat(); |
32 |
if( format != null ) { |
33 |
df.applyPattern(format); |
34 |
} |
35 |
try {
|
36 |
Date x = df.parse(date);
|
37 |
return x;
|
38 |
} catch (ParseException ex) { |
39 |
throw new RuntimeException("Can't parse date value '"+date+"' with format '"+format==null?"":format+"'", ex); |
40 |
} |
41 |
|
42 |
} |
43 |
|
44 |
|
45 |
} |