Update BarcodeOuput to reflect API doc (#308)

* Change BarcodeOuput's value to barcodeValue

* Change QRCODE to QRCode

* Remove unused import

Author: pc-coholic

src/main/java/com/adyen/model/nexo/BarcodeType.java

@@ -19,7 +19,7 @@
  *     <enumeration value="Code25"/>
  *     <enumeration value="Code128"/>
  *     <enumeration value="PDF417"/>
- *     <enumeration value="QRCODE"/>
+ *     <enumeration value="QRCode"/>
  *   </restriction>
  * </simpleType>
  * </pre>
@@ -60,7 +60,8 @@ public enum BarcodeType {
     /**
      * Qrcode barcode type.
      */
-    QRCODE("QRCODE");
+    @XmlEnumValue("QRCode")
+    QRCODE("QRCode");
     private final String value;
 
     BarcodeType(String v) {

src/main/java/com/adyen/model/nexo/OutputBarcode.java

@@ -4,7 +4,6 @@
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlAttribute;
 import javax.xml.bind.annotation.XmlType;
-import javax.xml.bind.annotation.XmlValue;
 
 
 /**
@@ -26,15 +25,15 @@
  */
 @XmlAccessorType(XmlAccessType.FIELD)
 @XmlType(name = "OutputBarcode", propOrder = {
-        "value"
+        "barcodeValue"
 })
 public class OutputBarcode {
 
     /**
      * The Value.
      */
-    @XmlValue
-    protected String value;
+    @XmlAttribute(name = "BarcodeValue")
+    protected String barcodeValue;
     /**
      * The Barcode.
      */
@@ -47,16 +46,16 @@ public class OutputBarcode {
      * @return possible      object is     {@link String }
      */
     public String getValue() {
-        return value;
+        return barcodeValue;
     }
 
     /**
-     * Sets the value of the value property.
+     * Sets the value of the barcodeValue property.
      *
-     * @param value allowed object is     {@link String }
+     * @param barcodeValue allowed object is     {@link String }
      */
-    public void setValue(String value) {
-        this.value = value;
+    public void setBarcodeValue(String barcodeValue) {
+        this.barcodeValue = barcodeValue;
     }
 
     /**