add write support for numeric/guid

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@69 f203690c-595d-4dc9-a70b-905162fa7fd2

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

@@ -79,12 +79,12 @@ public class Column implements Comparable<Column> {
    */
   private static final short LONG_VALUE_TYPE_OTHER_PAGES = (short) 0x0;
 
-  private static final Pattern GUID_PATTERN = Pattern.compile("\\s*[{]([\\p{XDigit}]{4})-([\\p{XDigit}]{2})-([\\p{XDigit}]{2})-([\\p{XDigit}]{2})-([\\p{XDigit}]{6})[}]\\s*");
+  private static final Pattern GUID_PATTERN = Pattern.compile("\\s*[{]([\\p{XDigit}]{8})-([\\p{XDigit}]{4})-([\\p{XDigit}]{4})-([\\p{XDigit}]{4})-([\\p{XDigit}]{12})[}]\\s*");
 
   /** default precision value for new numeric columns */
   public static final byte DEFAULT_PRECISION = 18;
   /** default scale value for new numeric columns */
-  public static final byte DEFAULT_SCALE = 18;
+  public static final byte DEFAULT_SCALE = 0;
   
   /** For text columns, whether or not they are compressed */ 
   private boolean _compressedUnicode = false;
@@ -812,8 +812,12 @@ public class Column implements Comparable<Column> {
       return BigDecimal.ZERO;
     } else if(value instanceof BigDecimal) {
       return (BigDecimal)value;
-    } else {
+    } else if(value instanceof BigInteger) {
+      return new BigDecimal((BigInteger)value);
+    } else if(value instanceof Number) {
       return new BigDecimal(((Number)value).doubleValue());
+    } else {
+      return new BigDecimal(value.toString());
     }
   }
 

src/java/com/healthmarketscience/jackcess/Database.java

@@ -409,8 +409,13 @@ public class Database {
         buffer.putShort((short) 0);
       }
       buffer.putShort(columnNumber); //Column Number again
-      buffer.put((byte) 0x09);  //Unknown
-      buffer.put((byte) 0x04);  //Unknown
+      if(col.getType() == DataType.NUMERIC) {
+        buffer.put((byte) col.getPrecision());  // numeric precision
+        buffer.put((byte) col.getScale());  // numeric scale
+      } else {
+        buffer.put((byte) 0x00); //unused
+        buffer.put((byte) 0x00); //unused
+      }
       buffer.putShort((short) 0); //Unknown
       if (col.getType().isVariableLength()) { //Variable length
         buffer.put((byte) 0x2);

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

@@ -4,6 +4,7 @@ package com.healthmarketscience.jackcess;
 
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -242,7 +243,6 @@ public class DatabaseTest extends TestCase {
     Table table = open().getTable("Table1");
     Map<String, Boolean> foundPKs = new HashMap<String, Boolean>();
     for(Index index : table.getIndexes()) {
-      System.out.println(index);
       foundPKs.put(index.getColumns().iterator().next().getName(),
                    index.isPrimaryKey());
     }
@@ -303,7 +303,7 @@ public class DatabaseTest extends TestCase {
     Table table = db.getTable("Test");
     table.addRow(new BigDecimal("-2341234.03450"));
     table.addRow(37L);
-    table.addRow(new BigDecimal("10000.45"));
+    table.addRow("10000.45");
 
     table.reset();
 
@@ -327,6 +327,102 @@ public class DatabaseTest extends TestCase {
     }
   }
 
+  public void testGUID() throws Exception
+  {
+    Database db = create();
+
+    List<Column> columns = new ArrayList<Column>();
+    Column col = new Column();
+    col.setName("A");
+    col.setType(DataType.GUID);
+    columns.add(col);
+    db.createTable("test", columns);
+
+    Table table = db.getTable("Test");
+    table.addRow("{32A59F01-AA34-3E29-453F-4523453CD2E6}");
+    table.addRow("{32a59f01-aa34-3e29-453f-4523453cd2e6}");
+    table.addRow("{11111111-1111-1111-1111-111111111111}");
+    table.addRow("{FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF}");
+
+    table.reset();
+
+    List<Object> foundValues = new ArrayList<Object>();
+    Map<String, Object> row = null;
+    while((row = table.getNextRow()) != null) {
+      foundValues.add(row.get("A"));
+    }
+
+    assertEquals(Arrays.asList(
+                     "{32A59F01-AA34-3E29-453F-4523453CD2E6}",
+                     "{32A59F01-AA34-3E29-453F-4523453CD2E6}",
+                     "{11111111-1111-1111-1111-111111111111}",
+                     "{FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF}"),
+                 foundValues);
+
+    try {
+      table.addRow("3245234");
+      fail("IOException should have been thrown");
+    } catch(IOException e) {
+      // ignored
+    }
+  }
+
+  public void testNumeric() throws Exception
+  {
+    Database db = create();
+
+    List<Column> columns = new ArrayList<Column>();
+    Column col = new Column();
+    col.setName("A");
+    col.setType(DataType.NUMERIC);
+    col.setScale((byte)4);
+    col.setPrecision((byte)8);
+    columns.add(col);
+    
+    col = new Column();
+    col.setName("B");
+    col.setType(DataType.NUMERIC);
+    col.setScale((byte)8);
+    col.setPrecision((byte)28);
+    columns.add(col);
+    db.createTable("test", columns);
+
+    Table table = db.getTable("Test");
+    table.addRow(new BigDecimal("-1234.03450"),
+                 new BigDecimal("23923434453436.36234219"));
+    table.addRow(37L, 37L);
+    table.addRow("1000.45", "-3452345321000");
+
+    table.reset();
+
+    List<Object> foundSmallValues = new ArrayList<Object>();
+    List<Object> foundBigValues = new ArrayList<Object>();
+    Map<String, Object> row = null;
+    while((row = table.getNextRow()) != null) {
+      foundSmallValues.add(row.get("A"));
+      foundBigValues.add(row.get("B"));
+    }
+
+    assertEquals(Arrays.asList(
+                     new BigDecimal("-1234.0345"),
+                     new BigDecimal("37.0000"),
+                     new BigDecimal("1000.4500")),
+                 foundSmallValues);
+    assertEquals(Arrays.asList(
+                     new BigDecimal("23923434453436.36234219"),
+                     new BigDecimal("37.00000000"),
+                     new BigDecimal("-3452345321000.00000000")),
+                 foundBigValues);
+
+    try {
+      table.addRow(new BigDecimal("3245234.234"),
+                   new BigDecimal("3245234.234"));
+      fail("IOException should have been thrown");
+    } catch(IOException e) {
+      // ignored
+    }
+  }
+
   private Object[] createTestRow() {
     return new Object[] {"Tim", "R", "McCune", 1234, (byte) 0xad, 555.66d,
         777.88f, (short) 999, new Date()};