--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/christie/topology/manager/FileParser.java	Wed Sep 05 09:04:06 2018 +0900
@@ -0,0 +1,87 @@
+package christie.topology.manager;
+
+import christie.annotation.Peek;
+import christie.codegear.CodeGear;
+import christie.codegear.CodeGearManager;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedList;
+
+import org.apache.log4j.Logger;
+
+import com.alexmerz.graphviz.ParseException;
+import com.alexmerz.graphviz.Parser;
+import com.alexmerz.graphviz.objects.*;
+
+public class FileParser extends CodeGear {
+
+    @Peek
+    TopologyManagerConfig topologyManagerConfig;
+
+    private Logger logger = Logger.getLogger(TopologyManager.class);
+
+
+    @Override
+    protected void run(CodeGearManager cgm) {
+        LinkedList<String> nodeNames = new LinkedList<>();
+        HashMap<String, LinkedList<NodeInfo>> resultParse = new HashMap<>();
+        int nodeNum = 0;
+
+        try {
+            FileReader reader = new FileReader(new File(topologyManagerConfig.confFilePath));
+            Parser parser = new Parser();
+            parser.parse(reader);
+
+
+            ArrayList<Graph> digraphs = parser.getGraphs();
+
+
+            for (Graph digraph : digraphs) {
+                ArrayList<Node> nodes = digraph.getNodes(false);
+                nodeNum = nodes.size();
+
+                for (Node node : nodes) {
+                    String nodeName = node.getId().getId();
+                    nodeNames.add(nodeName);
+                    resultParse.put(nodeName, new LinkedList<>());
+                }
+
+                ArrayList<Edge> edges = digraph.getEdges();
+                HashMap<String, NodeInfo> hash = new HashMap<>();
+
+                String connection;
+                String source;
+                String target;
+
+                NodeInfo nodeInfo;
+
+                for (Edge edge : edges) {
+                    connection = edge.getAttribute("label");
+                    source = edge.getSource().getNode().getId().getId();
+                    target = edge.getTarget().getNode().getId().getId();
+                    nodeInfo = new NodeInfo(source, connection, target);
+
+                    resultParse.get(source).add(nodeInfo);
+
+                }
+            }
+
+        } catch (FileNotFoundException e) {
+            logger.error("File not found: " + topologyManagerConfig.confFilePath);
+            e.printStackTrace();
+        } catch (ParseException e) {
+            logger.error("File format error: " + topologyManagerConfig.confFilePath);
+            e.printStackTrace();
+        }
+
+        getLocalDGM().put("resultParse", resultParse);
+        getLocalDGM().put("nodeNum", nodeNum);
+        getLocalDGM().put("nodeNames", nodeNames);
+
+
+    }
+}