Project rebuild & clean up.

communication/src/main/java/cn/dxl/com/DeviceChecker.java

@@ -0,0 +1,33 @@
+package cn.dxl.com;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.Serializable;
+
+/**
+ * Abstract device check base class, can judge whether the device and communication are normal!
+ *
+ * @author DXL
+ * @version 1.0
+ */
+public abstract class DeviceChecker implements Serializable, Closeable {
+    protected Communication communication;
+
+    public DeviceChecker(Communication communication) {
+        this.communication = communication;
+        // Auto init communication to mapper.
+        ComBridgeAdapter.initCom(communication);
+    }
+
+    /**
+     * Test a device is can work!
+     *
+     * @return if can work return true, if no, return false
+     */
+    public abstract boolean working() throws IOException;
+
+    /**
+     * Close the device(Should no close communication. only close device!)
+     */
+    public abstract void close() throws IOException;
+}