The new copyFieldsFrom() method had problems with fields that had CustomField encoders. A getter has been added to IsoValue for the CustomField and it's used in the copyFieldsFrom() method.

git-svn-id: https://j8583.svn.sourceforge.net/svnroot/j8583/j8583@58 db60a039-f72e-0410-b1d2-baa000846441

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

@@ -355,7 +355,7 @@ public class IsoMessage {
     	for (int i : idx) {
     		IsoValue<?> v = src.getField(i);
     		if (v != null) {
-        		setValue(i, v.getValue(), v.getType(), v.getLength());
+        		setValue(i, v.getValue(), v.getEncoder(), v.getType(), v.getLength());
     		}
     	}
     }

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

@@ -177,6 +177,11 @@ public class IsoValue<T> implements Cloneable {
 		return value == null ? 0 : toString().hashCode();
 	}
 
+	/** Returns the CustomField encoder for this value. */
+	public CustomField<T> getEncoder() {
+		return encoder;
+	}
+
 	/** Writes the formatted value to a stream, with the length header
 	 * if it's a variable length type. */
 	public void write(OutputStream outs, boolean binary) throws IOException {