diff --git a/src/main/java/net/irext/decoder/businesslogic/DecodeLogic.java b/src/main/java/net/irext/decoder/businesslogic/DecodeLogic.java
index 2ab5f9d..56c9c63 100644
--- a/src/main/java/net/irext/decoder/businesslogic/DecodeLogic.java
+++ b/src/main/java/net/irext/decoder/businesslogic/DecodeLogic.java
@@ -15,37 +15,20 @@ import org.springframework.stereotype.Controller;
 @Controller
 public class DecodeLogic {
 
-    private Integer codeCollectState = 0;
-    private IRCode irCode;
-
     private static DecodeLogic decodeLogic;
 
-    public static DecodeLogic getInstance(IRCode irCode) {
+    public static DecodeLogic getInstance() {
         if (null == decodeLogic) {
-            decodeLogic = new DecodeLogic(irCode);
+            decodeLogic = new DecodeLogic();
         }
         return decodeLogic;
     }
 
-    public DecodeLogic(IRCode irCode) {
-        this.irCode = irCode;
-    }
-
     public DecodeLogic() {
 
     }
 
-    public boolean collectCodeWorkUnit() {
-        // step 1. figure out the category and brand for this code
-
-        // step 2. go through the FSM for remote in each category
-        codeCollectState++;
-        System.out.println("state = " + codeCollectState + " : " + irCode.getKey());
-
-        // step 3. record key code
-
-        // step 4. temporarily save to file
-
-        return true;
+    public int[] decode() {
+        return null;
     }
 }
diff --git a/src/main/java/net/irext/decoder/businesslogic/IndexLogic.java b/src/main/java/net/irext/decoder/businesslogic/IndexLogic.java
new file mode 100644
index 0000000..d9cec27
--- /dev/null
+++ b/src/main/java/net/irext/decoder/businesslogic/IndexLogic.java
@@ -0,0 +1,31 @@
+package net.irext.decoder.businesslogic;
+
+import net.irext.decoder.model.RemoteIndex;
+import org.springframework.stereotype.Controller;
+
+/**
+ * Filename:       CollectCodeLogic
+ * Revised:        Date: 2018-12-08
+ * Revision:       Revision: 1.0
+ * <p>
+ * Description:    IRext Code Collector Collect Code Logic
+ * <p>
+ * Revision log:
+ * 2018-12-08: created by strawmanbobi
+ */
+@Controller
+public class IndexLogic {
+
+    private static IndexLogic indexLogic;
+
+    public static IndexLogic getInstance() {
+        if (null == indexLogic) {
+            indexLogic = new IndexLogic();
+        }
+        return indexLogic;
+    }
+
+    public RemoteIndex getRemoteIndex(int indexId) {
+        return null;
+    }
+}
diff --git a/src/main/java/net/irext/decoder/request/CloseRequest.java b/src/main/java/net/irext/decoder/request/CloseRequest.java
new file mode 100644
index 0000000..89bff69
--- /dev/null
+++ b/src/main/java/net/irext/decoder/request/CloseRequest.java
@@ -0,0 +1,33 @@
+package net.irext.decoder.request;
+
+/**
+ * Filename:       CloseRequest.java
+ * Revised:        Date: 2018-12-18
+ * Revision:       Revision: 1.0
+ * <p>
+ * Description:    HTTP decode online
+ * <p>
+ * Revision log:
+ * 2018-12-18: created by strawmanbobi
+ */
+public class CloseRequest {
+
+    private int indexId;
+
+    public CloseRequest(int indexId) {
+        this.indexId = indexId;
+    }
+
+    public CloseRequest() {
+
+    }
+
+    public int getIndexId() {
+        return indexId;
+    }
+
+    public void setIndexId(int indexId) {
+        this.indexId = indexId;
+    }
+
+}
diff --git a/src/main/java/net/irext/decoder/request/OpenRequest.java b/src/main/java/net/irext/decoder/request/OpenRequest.java
new file mode 100644
index 0000000..261609f
--- /dev/null
+++ b/src/main/java/net/irext/decoder/request/OpenRequest.java
@@ -0,0 +1,33 @@
+package net.irext.decoder.request;
+
+/**
+ * Filename:       OpenRequest.java
+ * Revised:        Date: 2018-12-18
+ * Revision:       Revision: 1.0
+ * <p>
+ * Description:    HTTP decode online
+ * <p>
+ * Revision log:
+ * 2018-12-18: created by strawmanbobi
+ */
+public class OpenRequest {
+
+    private int indexId;
+
+    public OpenRequest(int indexId) {
+        this.indexId = indexId;
+    }
+
+    public OpenRequest() {
+
+    }
+
+    public int getIndexId() {
+        return indexId;
+    }
+
+    public void setIndexId(int indexId) {
+        this.indexId = indexId;
+    }
+
+}
diff --git a/src/main/java/net/irext/decoder/service/IRDecodeService.java b/src/main/java/net/irext/decoder/service/IRDecodeService.java
index a857f0c..4a168f9 100644
--- a/src/main/java/net/irext/decoder/service/IRDecodeService.java
+++ b/src/main/java/net/irext/decoder/service/IRDecodeService.java
@@ -1,9 +1,15 @@
 package net.irext.decoder.service;
 
+import net.irext.decoder.businesslogic.DecodeLogic;
+import net.irext.decoder.businesslogic.IndexLogic;
 import net.irext.decoder.model.RemoteIndex;
+import net.irext.decoder.request.CloseRequest;
 import net.irext.decoder.request.DecodeRequest;
+import net.irext.decoder.request.OpenRequest;
 import net.irext.decoder.response.DecodeResponse;
+import net.irext.decoder.response.ServiceResponse;
 import net.irext.decoder.response.Status;
+import net.irext.decoder.service.base.AbstractBaseService;
 import net.irext.decodesdk.bean.ACStatus;
 import net.irext.decodesdk.utils.Constants;
 import org.springframework.web.bind.annotation.*;
@@ -20,13 +26,32 @@ import org.springframework.web.bind.annotation.*;
  */
 @RestController
 @RequestMapping("/irext")
-public class IRDecodeService {
+public class IRDecodeService extends AbstractBaseService {
 
     public IRDecodeService() {
 
     }
 
-    @GetMapping("/decode")
+    @PostMapping("/open")
+    public ServiceResponse irOpen(@RequestBody OpenRequest openRequest) {
+        try {
+            int indexId = openRequest.getIndexId();
+
+            ServiceResponse response = new ServiceResponse();
+            RemoteIndex index = IndexLogic.getInstance().getRemoteIndex(indexId);
+            if (null == index) {
+                response.setStatus(new Status(Constants.ERROR_CODE_NETWORK_ERROR, ""));
+                return response;
+            }
+
+            return response;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return getExceptionResponse(DecodeResponse.class);
+        }
+    }
+
+    @PostMapping("/decode")
     public DecodeResponse irDecode(@RequestBody DecodeRequest decodeRequest) {
         try {
             int indexId = decodeRequest.getIndexId();
@@ -34,18 +59,22 @@ public class IRDecodeService {
             int keyCode = decodeRequest.getKeyCode();
             int changeWindDir = decodeRequest.getChangeWindDir();
 
-            RemoteIndex index = indexingLogic.getRemoteIndex(indexId);
-            if (null == index) {
-                response.setEntity(null);
-                response.setStatus(new Status(Constants.ERROR_CODE_NETWORK_ERROR, ""));
-                return response;
-            }
+            DecodeResponse response = new DecodeResponse();
+            int[] irArray = DecodeLogic.getInstance().decode();
 
-            byte []binaryContent = operationLogic.prepareBinary(indexId);
-            System.out.println("binary content fetched : " + binaryContent.length);
-            int []decoded = operationLogic.decodeIR(index.getCategoryId(), index.getSubCate(),
-                    binaryContent, acstatus, keyCode, changeWindDir);
-            response.setEntity(decoded);
+            return response;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return getExceptionResponse(DecodeResponse.class);
+        }
+    }
+
+    @PostMapping("/close")
+    public ServiceResponse irClose(@RequestBody CloseRequest closeRequest) {
+        try {
+
+            ServiceResponse response = new ServiceResponse();
+            DecodeLogic.getInstance().decode();
 
             return response;
         } catch (Exception e) {
diff --git a/src/main/java/net/irext/decoder/service/base/AbstractBaseService.java b/src/main/java/net/irext/decoder/service/base/AbstractBaseService.java
new file mode 100644
index 0000000..232ff35
--- /dev/null
+++ b/src/main/java/net/irext/decoder/service/base/AbstractBaseService.java
@@ -0,0 +1,47 @@
+package net.irext.decoder.service.base;
+
+import net.irext.decoder.Constants;
+import net.irext.decoder.response.ServiceResponse;
+import net.irext.decoder.response.Status;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * Filename:       AbstractBaseService.java
+ * Revised:        Date: 2017-04-27
+ * Revision:       Revision: 1.0
+ * <p>
+ * Description:    Base service abstract class implemented service interface
+ * <p>
+ * Revision log:
+ * 2017-04-27: created by strawmanbobi
+ */
+public abstract class AbstractBaseService {
+    // note : not using ASPECT here but keep the ASPECT sketch
+    protected static Log log = LogFactory.getLog(AbstractBaseService.class);
+
+    protected ServiceResponse getExceptionResponse() {
+        ServiceResponse r = new ServiceResponse();
+        Status status = new Status();
+        status.setCode(Constants.ERROR_CODE_AUTH_FAILURE);
+        r.setStatus(status);
+        return r;
+    }
+
+    protected <T extends ServiceResponse> T getExceptionResponse(Class<T> c) {
+        T r = null;
+        Status status = new Status();
+        try {
+            r = c.newInstance();
+        } catch (Exception e) {
+            log.error("Error when new instance of class: " + c.getName(), e);
+        }
+        status.setCode(Constants.ERROR_CODE_AUTH_FAILURE);
+        if (null != r) {
+            r.setStatus(status);
+        }
+        return r;
+    }
+}