diff --git a/adapter/call/JavaCallApp.go b/adapter/call/JavaCallApp.go
index 823b3f3bb228fc56c2627317c22293f204ca853b..ac347295047b87cf1cce2bb41118107a34fd749f 100644
--- a/adapter/call/JavaCallApp.go
+++ b/adapter/call/JavaCallApp.go
@@ -1,6 +1,7 @@
 package call
 
 import (
+	"encoding/json"
 	"fmt"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	"os"
@@ -25,9 +26,13 @@ func (j *JavaCallApp) AnalysisPath(codeDir string) {
 		parser := (*JavaCallApp)(nil).processFile(file)
 		context := parser.CompilationUnit()
 
-		listener := new(JavaCallListener)
+		listener := NewJavaCallListener()
 
 		antlr.NewParseTreeWalker().Walk(listener, context)
+
+		nodeInfo := listener.getNodeInfo()
+		bytes, _ := json.Marshal(nodeInfo)
+		fmt.Println(string(bytes))
 	}
 }
 
diff --git a/adapter/call/JavaCallListener.go b/adapter/call/JavaCallListener.go
index d12b0e5949f3601b2999f806a6b48896fabe3d83..4ae7a8b8ad20688aa793252072b534e3b450a52c 100644
--- a/adapter/call/JavaCallListener.go
+++ b/adapter/call/JavaCallListener.go
@@ -13,15 +13,30 @@ var currentPkg string
 var currentClz string
 var methodCalls []JMethodCall
 var currentMethodCall *JMethodCall
+var currentType string
 
 var fields = make(map[string]string)
 var localVars = make(map[string]string)
 var formalParameters = make(map[string]string)
 
+var node *JClassNode;
+
+func NewJavaCallListener() *JavaCallListener {
+	currentClz = ""
+	currentPkg = ""
+	currentMethodCall = nil
+	methodCalls = nil
+	return &JavaCallListener{}
+}
+
 type JavaCallListener struct {
 	BaseJavaParserListener
 }
 
+func (s *JavaCallListener) getNodeInfo() *JClassNode {
+	return &JClassNode{currentPkg, currentClz,  currentType, methodCalls}
+}
+
 func (s *JavaCallListener) EnterPackageDeclaration(ctx *PackageDeclarationContext) {
 	currentPkg = ctx.QualifiedName().GetText()
 }
@@ -32,10 +47,12 @@ func (s *JavaCallListener) EnterImportDeclaration(ctx *ImportDeclarationContext)
 }
 
 func (s *JavaCallListener) EnterClassDeclaration(ctx *ClassDeclarationContext) {
+	currentType = "Class"
 	currentClz = ctx.IDENTIFIER().GetText()
 }
 
 func (s *JavaCallListener) EnterInterfaceDeclaration(ctx *InterfaceDeclarationContext) {
+	currentType = "Interface"
 	currentClz = ctx.IDENTIFIER().GetText()
 }
 
diff --git a/adapter/call/models/JClassNode.go b/adapter/call/models/JClassNode.go
new file mode 100644
index 0000000000000000000000000000000000000000..00b1ad993ace680067df85790a6d5b8aa9f5a5ce
--- /dev/null
+++ b/adapter/call/models/JClassNode.go
@@ -0,0 +1,8 @@
+package models
+
+type JClassNode struct {
+	Package     string
+	Class       string
+	Type        string
+	MethodCalls []JMethodCall
+}
diff --git a/adapter/call/models/JMethodCall.go b/adapter/call/models/JMethodCall.go
index 9e6e433631292e749f787695a36ebb353ec9134d..503371d499bc19c60c60d25b98da1ca61dbb3e7b 100644
--- a/adapter/call/models/JMethodCall.go
+++ b/adapter/call/models/JMethodCall.go
@@ -1,16 +1,13 @@
 package models
 
-import "fmt"
-
 type JMethodCall struct {
 	Pkg         string
 	Dlz         string
 	MethodName  string
-	//methodCalls map[string]string
 	//tableOps    map[string]string
 }
 
 func (call *JMethodCall) AddMethodCall (targetType string, method string) {
-	fmt.Println(targetType, "->", method)
+	//fmt.Println(targetType, "->", method)
 }