svn commit: r1930067 - in pdfbox/trunk/xmpbox/src: main/java/org/apache/xmpbox test/java/org/apache/xmpbox

[tilman]

Author: tilman
Date: Fri Nov 28 15:42:19 2025
New Revision: 1930067

Log:
PDFBOX-6107: format year with 4 digits

Modified:
   pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/DateConverter.java
   pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/DateConverterTest.java

Modified: pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/DateConverter.java
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/DateConverter.java      
Fri Nov 28 15:24:43 2025        (r1930066)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/DateConverter.java      
Fri Nov 28 15:42:19 2025        (r1930067)
@@ -295,7 +295,7 @@ public final class DateConverter
     {
         StringBuilder retval = new StringBuilder();
 
-        retval.append(cal.get(Calendar.YEAR));
+        retval.append(String.format(Locale.US, "%04d", 
cal.get(Calendar.YEAR)));
         retval.append('-');
         retval.append(String.format(Locale.US, "%02d", cal.get(Calendar.MONTH) 
+ 1));
         retval.append('-');

Modified: 
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/DateConverterTest.java
==============================================================================
--- pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/DateConverterTest.java  
Fri Nov 28 15:24:43 2025        (r1930066)
+++ pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/DateConverterTest.java  
Fri Nov 28 15:42:19 2025        (r1930067)
@@ -133,5 +133,9 @@ class DateConverterTest
         assertEquals(dateFormat.format(cal.getTime()), 
                     
dateFormat.format(DateConverter.toCalendar(DateConverter.toISO8601(cal,true)).getTime())
                 );
+
+        // PDFBOX-6107
+        cal = DateConverter.toCalendar("0000-01-01");
+        assertEquals("0001-01-01T00:00:00+01:00", 
DateConverter.toISO8601(cal));
     }
 }