Fixed bug 1273712 where writing null values into fixed-length columns wasn't working.

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@25 f203690c-595d-4dc9-a70b-905162fa7fd2

project.properties

@@ -18,5 +18,5 @@ maven.sourceforge.project.groupId=134943
 maven.sourceforge.username=javajedi
 maven.test.source=1.5
 maven.username=javajedi
-log4j.configuration=com/hmsonline/common/access/log4j.properties
+log4j.configuration=com/healthmarketscience/jackcess/log4j.properties
 statcvs.include=**/*.java;**/*.xml

project.xml

@@ -3,7 +3,7 @@
   <pomVersion>1</pomVersion>
   <id>jackcess</id>
   <name>Jackcess</name>
-  <currentVersion>1.1.1</currentVersion>
+  <currentVersion>1.1.2</currentVersion>
   <organization>
     <name>Health Market Science, Inc.</name>
     <url>http://www.healthmarketscience.com</url>

src/java/com/healthmarketscience/jackcess/Column.java

@@ -410,22 +410,26 @@ public class Column implements Comparable<Column> {
     if (_type == DataType.BOOLEAN) {
       //Do nothing
     } else if (_type == DataType.BYTE) {
-      buffer.put(((Number) obj).byteValue());
+      buffer.put(obj != null ? ((Number) obj).byteValue() : (byte) 0);
     } else if (_type == DataType.INT) {
-      buffer.putShort(((Number) obj).shortValue());
+      buffer.putShort(obj != null ? ((Number) obj).shortValue() : (short) 0);
     } else if (_type == DataType.LONG) {
-      buffer.putInt(((Number) obj).intValue());
+      buffer.putInt(obj != null ? ((Number) obj).intValue() : 0);
     } else if (_type == DataType.DOUBLE) {
-      buffer.putDouble(((Number) obj).doubleValue());
+      buffer.putDouble(obj != null ? ((Number) obj).doubleValue() : (double) 0);
     } else if (_type == DataType.FLOAT) {
-      buffer.putFloat(((Number) obj).floatValue());
+      buffer.putFloat(obj != null ? ((Number) obj).floatValue() : (float) 0);
     } else if (_type == DataType.SHORT_DATE_TIME) {
-      Calendar cal = Calendar.getInstance();
-      cal.setTime((Date) obj);
-      long ms = cal.getTimeInMillis();
-      ms += (long) TimeZone.getDefault().getOffset(ms);
-      buffer.putDouble((double) ms / MILLISECONDS_PER_DAY +
-          DAYS_BETWEEN_EPOCH_AND_1900);
+      if (obj instanceof Date) {
+        Calendar cal = Calendar.getInstance();
+        cal.setTime((Date) obj);
+        long ms = cal.getTimeInMillis();
+        ms += (long) TimeZone.getDefault().getOffset(ms);
+        buffer.putDouble((double) ms / MILLISECONDS_PER_DAY +
+            DAYS_BETWEEN_EPOCH_AND_1900);
+      } else {
+        buffer.putDouble(0d);
+      }
     } else if (_type == DataType.BINARY) {
       buffer.put((byte[]) obj);
     } else if (_type == DataType.TEXT) {

src/java/com/healthmarketscience/jackcess/Table.java

@@ -194,23 +194,25 @@ public class Table {
     
     //Now read in the fixed length columns and populate the columnData array
     //with the combination of fixed length and variable length data.
-    byte[] columnData;
+    byte[] columnData = null;
     for (Iterator iter = _columns.iterator(); iter.hasNext(); columnNumber++) {
       Column column = (Column) iter.next();
       boolean isNull = nullMask.isNull(columnNumber);
       Object value = null;
       if (column.getType() == DataType.BOOLEAN) {
         value = new Boolean(!isNull);  //Boolean values are stored in the null mask
-      } else if (!isNull) {
+      } else {
         if (!column.isVariableLength()) {
           //Read in fixed length column data
           columnData = new byte[column.size()];
           _buffer.get(columnData);
-        } else {
+        } else if (!isNull) {
           //Refer to already-read-in variable length data
           columnData = varColumnData[varColumnDataIndex--];
         }
-        if (columnNames == null || columnNames.contains(column.getName())) {
+        if (!isNull && columnData != null &&
+            (columnNames == null || columnNames.contains(column.getName())))
+        {
           //Add the value if we are interested in it.
           value = column.read(columnData);
         }
@@ -452,9 +454,7 @@ public class Table {
       col = (Column) iter.next();
       if (!col.isVariableLength()) {
         //Fixed length column data comes first
-        if (row.get(index) != null) {
-          buffer.put(col.write(row.get(index)));
-        }
+        buffer.put(col.write(row.get(index)));
       }
       if (col.getType() == DataType.BOOLEAN) {
         if (row.get(index) != null) {

test/src/java/com/healthmarketscience/jackcess/DatabaseTest.java

@@ -26,7 +26,7 @@ public class DatabaseTest extends TestCase {
   
   private Database create() throws Exception {
     File tmp = File.createTempFile("databaseTest", ".mdb");
-    //tmp.deleteOnExit();
+    tmp.deleteOnExit();
     return Database.create(tmp);
   }
 
@@ -107,7 +107,7 @@ public class DatabaseTest extends TestCase {
     row[0] = "Tim";
     row[1] = "R";
     row[2] = "McCune";
-    row[3] = new Integer(1234);
+    row[3] = null;
     row[4] = new Byte((byte) 0xad);
     row[5] = new Double(555.66d);
     row[6] = new Float(777.88d);