Author: yegor
Date: Sun Jun  2 15:13:47 2013
New Revision: 1488729

URL: http://svn.apache.org/r1488729
Log:
Bugzilla 55036 - Dec2HEx formula support

Added:
    poi/trunk/src/java/org/apache/poi/ss/formula/functions/Dec2Hex.java
    poi/trunk/src/java/org/apache/poi/util/Configurator.java
    poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/TestDec2Hex.java
Modified:
    poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFRow.java
    poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
    poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
    
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/BaseTestFunctionsFromSpreadsheet.java

Modified: poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFRow.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFRow.java?rev=1488729&r1=1488728&r2=1488729&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFRow.java (original)
+++ poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFRow.java Sun Jun  2 
15:13:47 2013
@@ -27,6 +27,7 @@ import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.CellStyle;
 import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.SpreadsheetVersion;
+import org.apache.poi.util.Configurator;
 
 /**
  * High level representation of a row of a spreadsheet.
@@ -39,7 +40,7 @@ import org.apache.poi.ss.SpreadsheetVers
 public final class HSSFRow implements Row {
 
     // used for collections
-    public final static int INITIAL_CAPACITY = 5;
+    public final static int INITIAL_CAPACITY = 
Configurator.getIntValue("HSSFRow.ColInitialCapacity", 5);
 
     private int rowNum;
     private HSSFCell[] cells;

Modified: poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java?rev=1488729&r1=1488728&r2=1488729&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java (original)
+++ poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java Sun Jun  2 
15:13:47 2013
@@ -50,6 +50,7 @@ import org.apache.poi.ss.util.CellRangeA
 import org.apache.poi.ss.util.CellReference;
 import org.apache.poi.ss.util.SSCellRange;
 import org.apache.poi.ss.util.SheetUtil;
+import org.apache.poi.util.Configurator;
 import org.apache.poi.util.POILogFactory;
 import org.apache.poi.util.POILogger;
 
@@ -74,7 +75,7 @@ public final class HSSFSheet implements 
      * rows.  It is currently set to 20.  If you generate larger sheets you 
may benefit
      * by setting this to a higher number and recompiling a custom edition of 
HSSFSheet.
      */
-    public final static int INITIAL_CAPACITY = 20;
+    public final static int INITIAL_CAPACITY = 
Configurator.getIntValue("HSSFSheet.RowInitialCapacity", 20);
 
     /**
      * reference to the low level {@link InternalSheet} object

Modified: poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java?rev=1488729&r1=1488728&r2=1488729&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java 
(original)
+++ poi/trunk/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java Sun Jun  
2 15:13:47 2013
@@ -29,6 +29,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.regex.Pattern;
 
+import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.poi.POIDocument;
 import org.apache.poi.ddf.EscherBSERecord;
 import org.apache.poi.ddf.EscherBitmapBlip;
@@ -54,9 +55,9 @@ import org.apache.poi.ss.formula.udf.UDF
 import org.apache.poi.ss.usermodel.Row.MissingCellPolicy;
 import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.ss.util.WorkbookUtil;
+import org.apache.poi.util.Configurator;
 import org.apache.poi.util.POILogFactory;
 import org.apache.poi.util.POILogger;
-import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.poi.ss.formula.udf.IndexedUDFFinder;
 
 
@@ -93,7 +94,7 @@ public final class HSSFWorkbook extends 
      * since you're never allowed to have more or less than three sheets!
      */
 
-    public final static int INITIAL_CAPACITY = 3;
+    public final static int INITIAL_CAPACITY = 
Configurator.getIntValue("HSSFWorkbook.SheetInitialCapacity",3);
 
     /**
      * this is the reference to the low level Workbook object

Added: poi/trunk/src/java/org/apache/poi/ss/formula/functions/Dec2Hex.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/ss/formula/functions/Dec2Hex.java?rev=1488729&view=auto
==============================================================================
--- poi/trunk/src/java/org/apache/poi/ss/formula/functions/Dec2Hex.java (added)
+++ poi/trunk/src/java/org/apache/poi/ss/formula/functions/Dec2Hex.java Sun Jun 
 2 15:13:47 2013
@@ -0,0 +1,122 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import org.apache.poi.ss.formula.eval.*;
+
+/**
+ * Implementation for Excel DELTA() function.<p/>
+ * <p/>
+ * <b>Syntax</b>:<br/> <b>DEC2HEX  </b>(<b>number</b>,<b>places</b> )<br/>
+ * <p/>
+ * Converts a decimal number to hexadecimal.
+ *
+ * The decimal integer you want to convert. If number is negative, places is 
ignored
+ * and this function returns a 10-character (40-bit) hexadecimal number in 
which the
+ * most significant bit is the sign bit. The remaining 39 bits are magnitude 
bits.
+ * Negative numbers are represented using two's-complement notation.
+ *
+ * <ul>
+ * <li>If number < -549,755,813,888 or if number > 549,755,813,887, this 
function returns the #NUM! error value.</li>
+ * <li>If number is nonnumeric, this function returns the #VALUE! error 
value.</li>
+ * </ul>
+ *
+ * <h2>places</h2>
+ *
+ * The number of characters to use. The places argument is useful for padding 
the
+ * return value with leading 0s (zeros).
+ *
+ * <ul>
+ * <li>If this argument is omitted, this function uses the minimum number of 
characters necessary.</li>
+ * <li>If this function requires more than places characters, it returns the 
#NUM! error value.</li>
+ * <li>If this argument is nonnumeric, this function returns the #VALUE! error 
value.</li>
+ * <li>If this argument is negative, this function returns the #NUM! error 
value.</li>
+ * <li>If this argument contains a decimal value, this function ignores the 
numbers to the right side of the decimal point.</li>
+ * </ul>
+ *
+ * @author cedric dot walter @ gmail dot com
+ */
+public final class Dec2Hex extends Var1or2ArgFunction {
+
+    private final static long MIN_VALUE = new 
Long("-549755813888").longValue();
+    private final static long MAX_VALUE = new Long("549755813887").longValue();
+    private final static int DEFAULT_PLACES_VALUE = 10;;
+
+    @Override
+    public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval 
number, ValueEval places) {
+        ValueEval veText1;
+        try {
+            veText1 = OperandResolver.getSingleValue(number, srcRowIndex, 
srcColumnIndex);
+        } catch (EvaluationException e) {
+            return e.getErrorEval();
+        }
+        String strText1 = OperandResolver.coerceValueToString(veText1);
+        Double number1 = OperandResolver.parseDouble(strText1);
+
+        //If this number argument is non numeric, this function returns the 
#VALUE! error value.
+        if (number1 == null) {
+            return ErrorEval.VALUE_INVALID;
+        }
+
+        //If number < -549,755,813,888 or if number > 549,755,813,887, this 
function returns the #NUM! error value.
+        if (number1.longValue() < MIN_VALUE || number1.longValue() > 
MAX_VALUE)  {
+            return ErrorEval.NUM_ERROR;
+        }
+
+        int placesNumber = 0;
+        if (number1 < 0) {
+            placesNumber = DEFAULT_PLACES_VALUE;
+        } else  {
+            ValueEval placesValueEval;
+            try {
+                placesValueEval = OperandResolver.getSingleValue(places, 
srcRowIndex, srcColumnIndex);
+            } catch (EvaluationException e) {
+                return e.getErrorEval();
+            }
+            String placesStr = 
OperandResolver.coerceValueToString(placesValueEval);
+            Double placesNumberDouble = OperandResolver.parseDouble(placesStr);
+
+            //non numeric value
+            if (placesNumberDouble == null) {
+                return ErrorEval.VALUE_INVALID;
+            }
+
+            //If this argument contains a decimal value, this function ignores 
the numbers to the right side of the decimal point.
+            placesNumber = placesNumberDouble.intValue();
+
+            if (placesNumber < 0)  {
+                return ErrorEval.NUM_ERROR;
+            }
+        }
+
+        String hex = "";
+        if (placesNumber != 0) {
+            hex = String.format("%0"+placesNumber+"X", number1.intValue() & 
0x0FFFFF);
+        }
+        else {
+            hex = Integer.toHexString(number1.intValue());
+        }
+
+        return new StringEval(hex.toUpperCase());
+    }
+
+    @Override
+    public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval 
arg0) {
+        return this.evaluate(srcRowIndex, srcColumnIndex, arg0, new 
StringEval(String.valueOf(DEFAULT_PLACES_VALUE)));
+    }
+}
\ No newline at end of file

Added: poi/trunk/src/java/org/apache/poi/util/Configurator.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/util/Configurator.java?rev=1488729&view=auto
==============================================================================
--- poi/trunk/src/java/org/apache/poi/util/Configurator.java (added)
+++ poi/trunk/src/java/org/apache/poi/util/Configurator.java Sun Jun  2 
15:13:47 2013
@@ -0,0 +1,40 @@
+package org.apache.poi.util;
+
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+/**
+ *
+ * @author Cedric Walter (cedric.walter at innoveo.com)
+ */
+public class Configurator {
+
+    private static POILogger logger = 
POILogFactory.getLogger(Configurator.class);
+
+    public static int getIntValue(String systemProperty, int defaultValue) {
+        int result = defaultValue;
+        String property = System.getProperty(systemProperty);
+        try {
+            result = Integer.valueOf(property);
+        } catch (Exception e) {
+            logger.log(POILogger.ERROR, "System property -D"+systemProperty +" 
do not contains a valid integer " + property);
+        }
+        return result;
+    }
+
+
+}

Modified: 
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/BaseTestFunctionsFromSpreadsheet.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/BaseTestFunctionsFromSpreadsheet.java?rev=1488729&r1=1488728&r2=1488729&view=diff
==============================================================================
--- 
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/BaseTestFunctionsFromSpreadsheet.java
 (original)
+++ 
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/BaseTestFunctionsFromSpreadsheet.java
 Sun Jun  2 15:13:47 2013
@@ -226,7 +226,7 @@ public abstract class BaseTestFunctionsF
             HSSFCell expectedValueCell = 
r.getCell(SS.COLUMN_INDEX_EXPECTED_RESULT);
             String rowComment = getRowCommentColumnValue(r);
 
-            String msgPrefix = formatTestCaseDetails(sheetName, r.getRowNum(), 
c, currentGroupComment, rowComment);
+            String msgPrefix = 
formatTestCaseDetails(this.getFilename(),sheetName, r.getRowNum(), c, 
currentGroupComment, rowComment);
             try {
                 confirmExpectedResult(msgPrefix, expectedValueCell, 
actualValue);
                 _evaluationSuccessCount ++;
@@ -250,10 +250,13 @@ public abstract class BaseTestFunctionsF
     }
 
 
-    private static String formatTestCaseDetails(String sheetName, int 
rowIndex, HSSFCell c, String currentGroupComment,
+    private static String formatTestCaseDetails(String filename, String 
sheetName, int rowIndex, HSSFCell c, String currentGroupComment,
                                                 String rowComment) {
 
         StringBuffer sb = new StringBuffer();
+
+        sb.append("In ").append(filename).append(" ");
+
         CellReference cr = new CellReference(sheetName, rowIndex, 
c.getColumnIndex(), false, false);
         sb.append(cr.formatAsString());
         sb.append(" {=").append(c.getCellFormula()).append("}");

Added: 
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/TestDec2Hex.java
URL: 
http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/TestDec2Hex.java?rev=1488729&view=auto
==============================================================================
--- 
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/TestDec2Hex.java 
(added)
+++ 
poi/trunk/src/testcases/org/apache/poi/ss/formula/functions/TestDec2Hex.java 
Sun Jun  2 15:13:47 2013
@@ -0,0 +1,79 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import junit.framework.TestCase;
+import org.apache.poi.ss.formula.eval.ErrorEval;
+import org.apache.poi.ss.formula.eval.StringEval;
+import org.apache.poi.ss.formula.eval.ValueEval;
+
+/**
+ * Tests for {@link Dec2Hex}
+ *
+ * @author cedric dot walter @ gmail dot com
+ */
+public final class TestDec2Hex extends TestCase {
+
+       private static ValueEval invokeValue(String number1, String number2) {
+               ValueEval[] args = new ValueEval[] { new StringEval(number1), 
new StringEval(number2), };
+               return new Dec2Hex().evaluate(args, -1, -1);
+       }
+
+    private static ValueEval invokeValue(String number1) {
+               ValueEval[] args = new ValueEval[] { new StringEval(number1), };
+               return new Dec2Hex().evaluate(args, -1, -1);
+       }
+
+       private static void confirmValue(String msg, String number1, String 
number2, String expected) {
+               ValueEval result = invokeValue(number1, number2);
+               assertEquals(StringEval.class, result.getClass());
+               assertEquals(msg, expected, ((StringEval) 
result).getStringValue());
+       }
+
+    private static void confirmValue(String msg, String number1, String 
expected) {
+               ValueEval result = invokeValue(number1);
+               assertEquals(StringEval.class, result.getClass());
+               assertEquals(msg, expected, ((StringEval) 
result).getStringValue());
+       }
+
+    private static void confirmValueError(String msg, String number1, String 
number2, ErrorEval numError) {
+        ValueEval result = invokeValue(number1, number2);
+        assertEquals(ErrorEval.class, result.getClass());
+        assertEquals(msg, numError, result);
+    }
+
+       public void testBasic() {
+               confirmValue("Converts decimal 100 to hexadecimal with 0 
characters (64)", "100","0", "64");
+               confirmValue("Converts decimal 100 to hexadecimal with 4 
characters (0064)", "100","4", "0064");
+               confirmValue("Converts decimal 100 to hexadecimal with 5 
characters (0064)", "100","5", "00064");
+               confirmValue("Converts decimal 100 to hexadecimal with 10 
(default) characters", "100","10", "0000000064");
+               confirmValue("If argument places contains a decimal value, 
dec2hex ignores the numbers to the right side of the decimal point.", 
"100","10.0", "0000000064");
+
+               confirmValue("Converts decimal -54 to hexadecimal, 0 is 
ignored", "-54", "0",  "00000FFFCA");
+               confirmValue("Converts decimal -54 to hexadecimal, 2 is 
ignored","-54", "2",  "00000FFFCA");
+               confirmValue("places is optionnal","-54", "00000FFFCA");
+       }
+
+    public void testErrors() {
+        confirmValueError("Out of range min number","-549755813889","0", 
ErrorEval.NUM_ERROR);
+        confirmValueError("Out of range max number","549755813888","0", 
ErrorEval.NUM_ERROR);
+
+        confirmValueError("negative places not allowed","549755813888","-10", 
ErrorEval.NUM_ERROR);
+        confirmValueError("non number places not allowed","ABCDEF","0", 
ErrorEval.VALUE_INVALID);
+    }
+}



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