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Posted to commits@poi.apache.org by ni...@apache.org on 2007/09/17 17:58:55 UTC
svn commit: r576492 -
/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java
Author: nick
Date: Mon Sep 17 08:58:54 2007
New Revision: 576492
URL: http://svn.apache.org/viewvc?rev=576492&view=rev
Log:
Implementation of the Day function from Pavel Krupets
Modified:
poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java
Modified: poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java?rev=576492&r1=576491&r2=576492&view=diff
==============================================================================
--- poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java (original)
+++ poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java Mon Sep 17 08:58:54 2007
@@ -14,12 +14,51 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-/*
- * Created on May 15, 2005
- *
- */
package org.apache.poi.hssf.record.formula.functions;
-public class Day extends NotImplementedFunction {
+import org.apache.poi.hssf.usermodel.HSSFDateUtil;
+
+import org.apache.poi.hssf.record.formula.eval.Eval;
+import org.apache.poi.hssf.record.formula.eval.ValueEval;
+import org.apache.poi.hssf.record.formula.eval.BlankEval;
+import org.apache.poi.hssf.record.formula.eval.ErrorEval;
+import org.apache.poi.hssf.record.formula.eval.NumberEval;
+import org.apache.poi.hssf.record.formula.eval.NumericValueEval;
+/**
+ * @author Pavel Krupets
+ */
+public class Day extends NumericFunction {
+ /**
+ * @see org.apache.poi.hssf.record.formula.functions.Function#evaluate(org.apache.poi.hssf.record.formula.eval.Eval[], int, short)
+ */
+ public Eval evaluate(Eval[] operands, int srcCellRow, short
+srcCellCol) {
+ ValueEval retval = null;
+
+ switch (operands.length) {
+ default:
+ retval = ErrorEval.VALUE_INVALID;
+ break;
+ case 1:
+ ValueEval ve = singleOperandEvaluate(operands[0],
+srcCellRow, srcCellCol);
+ if (ve instanceof NumericValueEval) {
+ NumericValueEval ne = (NumericValueEval) ve;
+ if (HSSFDateUtil.isValidExcelDate(ne.getNumberValue())) {
+ java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue());
+ java.util.Calendar c = java.util.Calendar.getInstance();
+ c.setTime(d);
+ retval = new NumberEval(c.get(java.util.Calendar.DAY_OF_MONTH));
+ } else {
+ retval = ErrorEval.NUM_ERROR;
+ }
+ } else if (ve instanceof BlankEval) {
+ // do nothing
+ } else {
+ retval = ErrorEval.NUM_ERROR;
+ }
+ }
+ return retval;
+ }
}
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