[Minor] Added JsonElement service argument result objects

li.strolch.rest/src/main/java/li/strolch/rest/util/JsonServiceArgument.java

@@ -0,0 +1,19 @@
+package li.strolch.rest.util;
+
+import com.google.gson.JsonElement;
+
+import li.strolch.service.api.AbstractService;
+import li.strolch.service.api.ServiceArgument;
+
+/**
+ * A {@link ServiceArgument} which takes a {@link JsonElement} as the input for a {@link AbstractService}. This is often
+ * used in conjunction with REST APIs
+ * 
+ * @author Robert von Burg <eitch@eitchnet.ch>
+ */
+public class JsonServiceArgument extends ServiceArgument {
+	private static final long serialVersionUID = 1L;
+	public String baseUrl;
+	public String objectId;
+	public JsonElement jsonElement;
+}

li.strolch.rest/src/main/java/li/strolch/rest/util/JsonServiceResult.java

@@ -0,0 +1,31 @@
+package li.strolch.rest.util;
+
+import com.google.gson.JsonElement;
+
+import li.strolch.service.api.AbstractService;
+import li.strolch.service.api.ServiceResult;
+import li.strolch.service.api.ServiceResultState;
+
+/**
+ * A {@link ServiceResult} which defines the result of an {@link AbstractService} to be a {@link JsonElement}. This is
+ * often used in conjunction with REST APIs.
+ * 
+ * @author Robert von Burg <eitch@eitchnet.ch>
+ */
+public class JsonServiceResult extends ServiceResult {
+	private static final long serialVersionUID = 1L;
+	private JsonElement result;
+
+	public JsonServiceResult() {
+		// do nothing
+	}
+
+	public JsonServiceResult(JsonElement result) {
+		super(ServiceResultState.SUCCESS);
+		this.result = result;
+	}
+
+	public JsonElement getResult() {
+		return this.result;
+	}
+}