Test Cases - XStream Object to-from json

Test Cases - XStream Object to-from json

xstream/src/main/java/com/baeldung/initializer/SimpleXstreamInitializer.java

@@ -1,19 +1,23 @@
 package com.baeldung.initializer;
 
 import com.thoughtworks.xstream.XStream;
+import com.thoughtworks.xstream.io.json.JettisonMappedXmlDriver;
+import com.thoughtworks.xstream.io.json.JsonHierarchicalStreamDriver;
 
 public class SimpleXstreamInitializer {
 
-    private XStream xtreamInstance;
+	public XStream getXstreamInstance() {
+		XStream xtreamInstance = new XStream();
+		return xtreamInstance;
+	}
 
-    public XStream getXstreamInstance() {
-        if (xtreamInstance == null) {
-            synchronized (SimpleXstreamInitializer.class) {
-                if (xtreamInstance == null) {
-                    xtreamInstance = new XStream();
-                }
-            }
-        }
-        return xtreamInstance;
-    }
+	public XStream getXstreamJettisonMappedInstance() {
+		XStream xstreamInstance = new XStream(new JettisonMappedXmlDriver());
+		return xstreamInstance;
+	}
+
+	public XStream getXstreamJsonHierarchicalInstance() {
+		XStream xstreamInstance = new XStream(new JsonHierarchicalStreamDriver());
+		return xstreamInstance;
+	}
 }