--- /dev/null
+package domain;
+
+import javax.xml.bind.annotation.adapters.XmlAdapter;
+
+public class IntegerAdapter extends XmlAdapter<String, Integer> {
+
+ public Integer unmarshal(String s) {
+ return Integer.parseInt(s);
+ }
+
+ public String marshal(Integer number) {
+ if (number == null) return "";
+
+ return number.toString();
+ }
+}
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