1 files changed, 79 insertions, 0 deletions
diff --git a/hierarchyviewer/src/com/android/hierarchyviewer/scene/VersionLoader.java b/hierarchyviewer/src/com/android/hierarchyviewer/scene/VersionLoader.java
new file mode 100644
index 000000000..ccc187d9b
--- /dev/null
+++ b/hierarchyviewer/src/com/android/hierarchyviewer/scene/VersionLoader.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package com.android.hierarchyviewer.scene;
+
+import com.android.ddmlib.IDevice;
+import com.android.hierarchyviewer.device.DeviceBridge;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+
+public class VersionLoader {
+    public static int loadServerVersion(IDevice device) {
+        return loadVersion(device, "SERVER");
+    }
+    
+    public static int loadProtocolVersion(IDevice device) {
+        return loadVersion(device, "PROTOCOL");
+    }
+
+    private static int loadVersion(IDevice device, String command) {
+        Socket socket = null;
+        BufferedReader in = null;
+        BufferedWriter out = null;
+
+        try {
+            socket = new Socket();
+            socket.connect(new InetSocketAddress("127.0.0.1",
+                    DeviceBridge.getDeviceLocalPort(device)));
+
+            out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
+            in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+
+            out.write(command);
+            out.newLine();
+            out.flush();
+
+            return Integer.parseInt(in.readLine());
+        } catch (Exception e) {
+            // Empty
+        } finally {
+            try {
+                if (out != null) {
+                    out.close();
+                }
+                if (in != null) {
+                    in.close();
+                }
+                if (socket != null) {
+                    socket.close();
+                }
+            } catch (IOException ex) {
+                ex.printStackTrace();
+            }
+        }
+
+        // Versioning of the protocol and server was added with version 2
+        return 2;
+    }
+}