default timezone to fix #107

src/main/java/com/solab/iso8583/MessageFactory.java

@@ -280,6 +280,9 @@ public class MessageFactory<T extends IsoMessage> {
 
     /** Sets the timezone for the specified FieldParseInfo, if it's needed for parsing dates. */
     public void setTimezoneForParseGuide(int messageType, int field, TimeZone tz) {
+        if (field == 0) {
+            DateTimeParseInfo.setDefaultTimeZone(tz);
+        }
         Map<Integer, FieldParseInfo> guide = parseMap.get(messageType);
         if (guide != null) {
             FieldParseInfo fpi = guide.get(field);

src/main/java/com/solab/iso8583/parse/Date10ParseInfo.java

@@ -69,6 +69,8 @@ public class Date10ParseInfo extends DateTimeParseInfo {
         cal.set(Calendar.MILLISECOND,0);
         if (tz != null) {
             cal.setTimeZone(tz);
+        } else if (getDefaultTimeZone() != null) {
+            cal.setTimeZone(getDefaultTimeZone());
         }
 		adjustWithFutureTolerance(cal);
 		return new IsoValue<>(type, cal.getTime(), null);

src/main/java/com/solab/iso8583/parse/Date12ParseInfo.java

@@ -61,6 +61,8 @@ public class Date12ParseInfo extends DateTimeParseInfo {
         cal.set(Calendar.MILLISECOND,0);
         if (tz != null) {
             cal.setTimeZone(tz);
+        } else if (getDefaultTimeZone() != null) {
+            cal.setTimeZone(getDefaultTimeZone());
         }
    		adjustWithFutureTolerance(cal);
    		return new IsoValue<>(type, cal.getTime(), null);

src/main/java/com/solab/iso8583/parse/Date14ParseInfo.java

@@ -55,6 +55,8 @@ public class Date14ParseInfo extends DateTimeParseInfo {
         cal.set(Calendar.MILLISECOND,0);
         if (tz != null) {
             cal.setTimeZone(tz);
+        } else if (getDefaultTimeZone() != null) {
+            cal.setTimeZone(getDefaultTimeZone());
         }
    		adjustWithFutureTolerance(cal);
    		return new IsoValue<>(type, cal.getTime(), null);

src/main/java/com/solab/iso8583/parse/Date4ParseInfo.java

@@ -64,6 +64,8 @@ public class Date4ParseInfo extends DateTimeParseInfo {
         }
         if (tz != null) {
             cal.setTimeZone(tz);
+        } else if (getDefaultTimeZone() != null) {
+            cal.setTimeZone(getDefaultTimeZone());
         }
 		Date10ParseInfo.adjustWithFutureTolerance(cal);
 		return new IsoValue<>(type, cal.getTime(), null);

src/main/java/com/solab/iso8583/parse/DateExpParseInfo.java

@@ -66,6 +66,8 @@ public class DateExpParseInfo extends DateTimeParseInfo {
         }
         if (tz != null) {
             cal.setTimeZone(tz);
+        } else if (getDefaultTimeZone() != null) {
+            cal.setTimeZone(getDefaultTimeZone());
         }
 		return new IsoValue<>(type, cal.getTime(), null);
 	}

src/main/java/com/solab/iso8583/parse/DateTimeParseInfo.java

@@ -15,11 +15,19 @@ public abstract class DateTimeParseInfo extends FieldParseInfo {
 
     protected static final long FUTURE_TOLERANCE;
     protected TimeZone tz;
+    private static TimeZone defaultTimezone;
 
    	static {
    		FUTURE_TOLERANCE = Long.parseLong(System.getProperty("j8583.future.tolerance", "900000"));
    	}
 
+   	public static void setDefaultTimeZone(TimeZone tz) {
+   	    defaultTimezone = tz;
+    }
+    public static TimeZone getDefaultTimeZone() {
+   	    return defaultTimezone;
+    }
+
     protected DateTimeParseInfo(IsoType type, int length) {
         super(type, length);
     }

src/main/java/com/solab/iso8583/parse/TimeParseInfo.java

@@ -61,8 +61,10 @@ public class TimeParseInfo extends DateTimeParseInfo {
         }
         if (tz != null) {
             cal.setTimeZone(tz);
+        } else if (getDefaultTimeZone() != null) {
+            cal.setTimeZone(getDefaultTimeZone());
         }
-		return new IsoValue<Date>(type, cal.getTime(), null);
+		return new IsoValue<>(type, cal.getTime(), null);
 	}
 
 	@Override