diff --git a/models/CustomerManagement.Json b/models/CustomerManagement.Json
new file mode 100644
index 0000000..eb7377e
--- /dev/null
+++ b/models/CustomerManagement.Json
@@ -0,0 +1,10 @@
+{
+  "relations": [],
+  "transfer": {
+    "src": "Companies.{company}",
+    "dst": "customers.{customer}",
+    "data": {"type": "String", "name": "address"},
+    "style": "PULL",
+    "multiplicity": "1:*"
+  }
+}
\ No newline at end of file
diff --git a/src/main/java/Main.java b/src/main/java/Main.java
index 70613b6..84b42f2 100644
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -1,36 +1,57 @@
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
 import java.util.ArrayList;
 import java.util.List;
 
 import generators.ASTGenerator;
 import models.objectOrientedTransfer.*;
+import parser.Parser;
+import parser.Value;
+import parser.exceptions.ExpectedArrayValue;
+import parser.exceptions.ExpectedJsonValue;
+import parser.exceptions.ExpectedStringValue;
 
 public class Main {
 
-	public static void main(String[] args) {
-		List<ReferenceEdge> srcEdges = new ArrayList<>();
-		List<ReferenceEdge> dstEdges = new ArrayList<>();
-		ObjectNode companies = new ObjectNode("Companies");
-		ObjectNode company = new ObjectNode("Company");
-		ObjectNode customers = new ObjectNode("Customers");
-		ObjectNode customer = new ObjectNode("Customer");
-		ObjectNode address = new ObjectNode("String");
-		ReferenceEdge srcEdge = new ReferenceEdge(companies, company, "company", "String");
-		srcEdges.add(srcEdge);
-		ReferenceEdge dstEdge = new ReferenceEdge(customers, customer, "customer", "String");
-		dstEdges.add(dstEdge);
-		List<Relation> relations = new ArrayList<>();
+    public static void main(String[] args) {
+//		List<ReferenceEdge> srcEdges = new ArrayList<>();
+//		List<ReferenceEdge> dstEdges = new ArrayList<>();
+//		ObjectNode companies = new ObjectNode("Companies");
+//		ObjectNode company = new ObjectNode("Company");
+//		ObjectNode customers = new ObjectNode("Customers");
+//		ObjectNode customer = new ObjectNode("Customer");
+//		ObjectNode address = new ObjectNode("String");
+//		ReferenceEdge srcEdge = new ReferenceEdge(companies, company, "company", "String");
+//		srcEdges.add(srcEdge);
+//		ReferenceEdge dstEdge = new ReferenceEdge(customers, customer, "customer", "String");
+//		dstEdges.add(dstEdge);
+//		List<Relation> relations = new ArrayList<>();
 //		Relation transferRelation = new Relation(company, customer, MultiplicityValue.OneToOne);
-		Relation transferRelation = new Relation(srcEdges, dstEdges, MultiplicityValue.OneToMany);
-		DataTransferContext context = new DataTransferContext(relations, transferRelation, address, "address", PushPullValue.PULL);
-		
-		DataTransferDesign design;
-		try {
-			design = new DataTransferDesign(context);
-			System.out.println(ASTGenerator.generate(design));
-		} catch (IllegalRelationException e) {
-			e.printStackTrace();
-		}
-		
-	}
+//		DataTransferContext context = new DataTransferContext(relations, transferRelation, address, "address", PushPullValue.PULL);
+//        DataTransferDesign design;
+//        try {
+//            design = new DataTransferDesign(context);
+//            System.out.println(ASTGenerator.generate(design));
+//        } catch (IllegalRelationException e) {
+//            e.printStackTrace();
+//        }
+        File file = new File("models/CustomerManagement.Json");
+        try {
+            Parser parser = new Parser(new BufferedReader(new FileReader(file)));
+            Value jsonValue = parser.getValue();
+            DataTransferContext context = new DataTransferContext(jsonValue);
+            DataTransferDesign design;
+            try {
+                design = new DataTransferDesign(context);
+                System.out.println(ASTGenerator.generate(design));
+            } catch (IllegalRelationException e) {
+                e.printStackTrace();
+            }
+        } catch (ExpectedArrayValue | ExpectedStringValue | ExpectedJsonValue | FileNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
 
 }