removed GregorianCalendar

src/com/bytezone/diskbrowser/pascal/CatalogEntry.java

@@ -1,5 +1,6 @@
 package com.bytezone.diskbrowser.pascal;
 
+import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.GregorianCalendar;
 import java.util.List;
@@ -23,6 +24,7 @@ abstract class CatalogEntry implements AppleFileSource
   protected int lastBlock;                      // block AFTER last used block
   protected int fileType;
   protected GregorianCalendar date;
+  protected LocalDate localDate;
   protected int bytesUsedInLastBlock;
   protected final List<DiskAddress> blocks = new ArrayList<> ();
 

src/com/bytezone/diskbrowser/pascal/FileEntry.java

@@ -26,7 +26,7 @@ public class FileEntry extends CatalogEntry
     super (parent, buffer);
 
     bytesUsedInLastBlock = Utility.getShort (buffer, 22);
-    date = Utility.getPascalDate (buffer, 24);
+    localDate = Utility.getPascalLocalDate (buffer, 24);
 
     int max = Math.min (lastBlock, parent.getDisk ().getTotalBlocks ());
     for (int i = firstBlock; i < max; i++)

src/com/bytezone/diskbrowser/pascal/PascalCatalogSector.java

@@ -1,7 +1,8 @@
 package com.bytezone.diskbrowser.pascal;
 
-import java.text.DateFormat;
+import java.time.LocalDate;
-import java.util.GregorianCalendar;
+import java.time.format.DateTimeFormatter;
+import java.time.format.FormatStyle;
 import java.util.List;
 
 import com.bytezone.diskbrowser.disk.AbstractSector;
@@ -14,7 +15,8 @@ import com.bytezone.diskbrowser.utilities.Utility;
 class PascalCatalogSector extends AbstractSector
 // -----------------------------------------------------------------------------------//
 {
-  private final DateFormat df = DateFormat.getDateInstance (DateFormat.SHORT);
+  //  private final DateFormat df = DateFormat.getDateInstance (DateFormat.SHORT);
+  private final DateTimeFormatter dtf = DateTimeFormatter.ofLocalizedDate (FormatStyle.SHORT);
   private static String[] fileTypes =
       { "Volume", "Bad", "Code", "Text", "Info", "Data", "Graf", "Foto", "SecureDir" };
 
@@ -44,8 +46,9 @@ class PascalCatalogSector extends AbstractSector
     addTextAndDecimal (text, buffer, 16, 2, "Files on disk");
     addTextAndDecimal (text, buffer, 18, 2, "First block of volume");
 
-    GregorianCalendar calendar = Utility.getPascalDate (buffer, 20);
+    LocalDate localDate = Utility.getPascalLocalDate (buffer, 20);
-    String date = calendar == null ? "--" : df.format (calendar.getTime ());
+    String date = localDate == null ? "--" : localDate.format (dtf);
+
     addText (text, buffer, 20, 2, "Most recent date setting : " + date);
     addTextAndDecimal (text, buffer, 22, 4, "Reserved");
 
@@ -71,8 +74,8 @@ class PascalCatalogSector extends AbstractSector
       addText (text, buffer, ptr + 18, 4, "File name : " + name);
       addTextAndDecimal (text, buffer, ptr + 22, 2, "Bytes in file's last block");
 
-      calendar = Utility.getPascalDate (buffer, ptr + 24);
+      localDate = Utility.getPascalLocalDate (buffer, ptr + 24);
-      date = calendar == null ? "--" : df.format (calendar.getTime ());
+      date = localDate == null ? "--" : localDate.format (dtf);
       addText (text, buffer, ptr + 24, 2, "Date : " + date);
 
       ptr += PascalDisk.CATALOG_ENTRY_SIZE;

src/com/bytezone/diskbrowser/pascal/PascalDisk.java

@@ -2,8 +2,10 @@ package com.bytezone.diskbrowser.pascal;
 
 import java.awt.Color;
 import java.text.DateFormat;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.time.format.FormatStyle;
 import java.util.ArrayList;
-import java.util.GregorianCalendar;
 import java.util.List;
 
 import javax.swing.tree.DefaultMutableTreeNode;
@@ -29,6 +31,7 @@ public class PascalDisk extends AbstractFormattedDisk
 {
   static final int CATALOG_ENTRY_SIZE = 26;
   private final DateFormat df = DateFormat.getDateInstance (DateFormat.SHORT);
+  private final DateTimeFormatter dtf = DateTimeFormatter.ofLocalizedDate (FormatStyle.SHORT);
   private final VolumeEntry volumeEntry;
   private final PascalCatalogSector diskCatalogSector;
 
@@ -232,8 +235,10 @@ public class PascalDisk extends AbstractFormattedDisk
       }
 
       int lastByte = Utility.getShort (buffer, ptr + 22);
-      GregorianCalendar date = Utility.getPascalDate (buffer, 24);
+      //      GregorianCalendar date = Utility.getPascalDate (buffer, 24);
-      String dateString = date == null ? "" : date.toString ();
+      LocalDate localDate = Utility.getPascalLocalDate (buffer, 24);
+      String dateString = localDate == null ? ""
+          : localDate.format (DateTimeFormatter.ofLocalizedDate (FormatStyle.SHORT));
       if (debug)
         System.out.printf ("%4d  %4d  %d  %-15s %d %s%n", firstBlock, lastBlock, kind,
             new String (buffer, ptr + 7, nameLength), lastByte, dateString);
@@ -297,7 +302,9 @@ public class PascalDisk extends AbstractFormattedDisk
     String newLine2 = newLine + newLine;
     String line =
         "----   ---------------   ----   --------  -------   ----   ----   ----" + newLine;
-    String date = volumeEntry.date == null ? "--" : df.format (volumeEntry.date.getTime ());
+
+    String date = volumeEntry.localDate == null ? "--" : volumeEntry.localDate.format (dtf);
+
     StringBuilder text = new StringBuilder ();
     text.append ("File : " + getDisplayPath () + newLine2);
     text.append ("Volume : " + volumeEntry.name + newLine);
@@ -311,16 +318,20 @@ public class PascalDisk extends AbstractFormattedDisk
       FileEntry ce = (FileEntry) fe;
       int size = ce.lastBlock - ce.firstBlock;
       usedBlocks += size;
-      date = ce.date == null ? "--" : df.format (ce.date.getTime ());
+
+      date = ce.localDate == null ? "--" : ce.localDate.format (dtf);
+
       int bytes = (size - 1) * 512 + ce.bytesUsedInLastBlock;
       String fileType =
           ce.fileType < 0 || ce.fileType >= fileTypes.length ? "????" : fileTypes[ce.fileType];
       text.append (String.format ("%4d   %-15s   %-6s %8s %,8d   $%03X   $%03X   $%03X%n", size,
           ce.name, fileType, date, bytes, ce.firstBlock, ce.lastBlock, size));
     }
+
     text.append (line);
     text.append (String.format ("Blocks free : %3d  Blocks used : %3d  Total blocks : %3d%n",
         (volumeEntry.totalBlocks - usedBlocks), usedBlocks, volumeEntry.totalBlocks));
+
     return new DefaultAppleFileSource (volumeEntry.name, text.toString (), this);
   }
 }

src/com/bytezone/diskbrowser/pascal/VolumeEntry.java

@@ -17,9 +17,9 @@ class VolumeEntry extends CatalogEntry
   {
     super (parent, buffer);
 
-    totalBlocks = Utility.getShort (buffer, 14);         // 280
+    totalBlocks = Utility.getShort (buffer, 14);              // 280
     totalFiles = Utility.getShort (buffer, 16);
-    date = Utility.getPascalDate (buffer, 20);                       // 2 bytes
+    localDate = Utility.getPascalLocalDate (buffer, 20);      // 2 bytes
   }
 
   // ---------------------------------------------------------------------------------//

src/com/bytezone/diskbrowser/utilities/Utility.java

@@ -9,9 +9,9 @@ import java.io.IOException;
 import java.math.BigDecimal;
 import java.math.MathContext;
 import java.time.DateTimeException;
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.Arrays;
-import java.util.GregorianCalendar;
 import java.util.List;
 import java.util.zip.CRC32;
 import java.util.zip.Checksum;
@@ -230,7 +230,6 @@ public final class Utility
   public static LocalDateTime getAppleDate (byte[] buffer, int offset)
   // ---------------------------------------------------------------------------------//
   {
-    // int yymmdd = readShort (buffer, offset);
     int yymmdd = getShort (buffer, offset);
     if (yymmdd != 0)
     {
@@ -429,7 +428,7 @@ public final class Utility
   }
 
   // ---------------------------------------------------------------------------------//
-  public static GregorianCalendar getPascalDate (byte[] buffer, int offset)
+  public static LocalDate getPascalLocalDate (byte[] buffer, int offset)
   // ---------------------------------------------------------------------------------//
   {
     int date = Utility.getShort (buffer, offset);
@@ -446,7 +445,7 @@ public final class Utility
     else
       year += 1900;
 
-    return new GregorianCalendar (year, month - 1, day);
+    return LocalDate.of (year, month, day);
   }
 
   // ---------------------------------------------------------------------------------//