From f8e7b102241c81a2cde9f2d76e2667c96d6bd034 Mon Sep 17 00:00:00 2001
From: Klaus Reimer <k@ailis.de>
Date: Mon, 15 Apr 2013 20:03:42 +0200
Subject: [PATCH] Add convenience adapter classes for the USB event listener
 interfaces.

---
 .../usb4java/adapter/UsbDeviceAdapter.java    | 39 +++++++++++++++++++
 .../usb4java/adapter/UsbPipeAdapter.java      | 32 +++++++++++++++
 .../usb4java/adapter/UsbServicesAdapter.java  | 31 +++++++++++++++
 .../ailis/usb4java/adapter/package-info.java  |  9 +++++
 4 files changed, 111 insertions(+)
 create mode 100644 src/main/java/de/ailis/usb4java/adapter/UsbDeviceAdapter.java
 create mode 100644 src/main/java/de/ailis/usb4java/adapter/UsbPipeAdapter.java
 create mode 100644 src/main/java/de/ailis/usb4java/adapter/UsbServicesAdapter.java
 create mode 100644 src/main/java/de/ailis/usb4java/adapter/package-info.java

diff --git a/src/main/java/de/ailis/usb4java/adapter/UsbDeviceAdapter.java b/src/main/java/de/ailis/usb4java/adapter/UsbDeviceAdapter.java
new file mode 100644
index 0000000..c91a188
--- /dev/null
+++ b/src/main/java/de/ailis/usb4java/adapter/UsbDeviceAdapter.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2013 Klaus Reimer <k@ailis.de>
+ * See LICENSE.md for licensing information.
+ */
+
+package de.ailis.usb4java.adapter;
+
+import javax.usb.event.UsbDeviceDataEvent;
+import javax.usb.event.UsbDeviceErrorEvent;
+import javax.usb.event.UsbDeviceEvent;
+import javax.usb.event.UsbDeviceListener;
+
+/**
+ * An abstract adapter class for receiving USB device events. The methods in
+ * this class are empty. This class exists as convenience for creating listener
+ * objects.
+ * 
+ * @author Klaus Reimer (k@ailis.de)
+ */
+public abstract class UsbDeviceAdapter implements UsbDeviceListener
+{
+    @Override
+    public void usbDeviceDetached(final UsbDeviceEvent event)
+    {
+        // Empty
+    }
+
+    @Override
+    public void errorEventOccurred(final UsbDeviceErrorEvent event)
+    {
+        // Empty
+    }
+
+    @Override
+    public void dataEventOccurred(final UsbDeviceDataEvent event)
+    {
+        // Empty
+    }
+}
diff --git a/src/main/java/de/ailis/usb4java/adapter/UsbPipeAdapter.java b/src/main/java/de/ailis/usb4java/adapter/UsbPipeAdapter.java
new file mode 100644
index 0000000..7bde25b
--- /dev/null
+++ b/src/main/java/de/ailis/usb4java/adapter/UsbPipeAdapter.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2013 Klaus Reimer <k@ailis.de>
+ * See LICENSE.md for licensing information.
+ */
+
+package de.ailis.usb4java.adapter;
+
+import javax.usb.event.UsbPipeDataEvent;
+import javax.usb.event.UsbPipeErrorEvent;
+import javax.usb.event.UsbPipeListener;
+
+/**
+ * An abstract adapter class for receiving USB pipe events. The methods in
+ * this class are empty. This class exists as convenience for creating listener
+ * objects.
+ * 
+ * @author Klaus Reimer (k@ailis.de)
+ */
+public abstract class UsbPipeAdapter implements UsbPipeListener
+{
+    @Override
+    public void errorEventOccurred(UsbPipeErrorEvent event)
+    {
+        // Empty
+    }
+
+    @Override
+    public void dataEventOccurred(UsbPipeDataEvent event)
+    {
+        // Empty
+    }
+}
diff --git a/src/main/java/de/ailis/usb4java/adapter/UsbServicesAdapter.java b/src/main/java/de/ailis/usb4java/adapter/UsbServicesAdapter.java
new file mode 100644
index 0000000..0700244
--- /dev/null
+++ b/src/main/java/de/ailis/usb4java/adapter/UsbServicesAdapter.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2013 Klaus Reimer <k@ailis.de>
+ * See LICENSE.md for licensing information.
+ */
+
+package de.ailis.usb4java.adapter;
+
+import javax.usb.event.UsbServicesEvent;
+import javax.usb.event.UsbServicesListener;
+
+/**
+ * An abstract adapter class for receiving USB service events. The methods in
+ * this class are empty. This class exists as convenience for creating listener
+ * objects.
+ * 
+ * @author Klaus Reimer (k@ailis.de)
+ */
+public abstract class UsbServicesAdapter implements UsbServicesListener
+{
+    @Override
+    public void usbDeviceAttached(final UsbServicesEvent event)
+    {
+        // Empty
+    }
+
+    @Override
+    public void usbDeviceDetached(final UsbServicesEvent event)
+    {
+        // Empty
+    }
+}
diff --git a/src/main/java/de/ailis/usb4java/adapter/package-info.java b/src/main/java/de/ailis/usb4java/adapter/package-info.java
new file mode 100644
index 0000000..68cd760
--- /dev/null
+++ b/src/main/java/de/ailis/usb4java/adapter/package-info.java
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2013 Klaus Reimer <k@ailis.de>
+ * See LICENSE.md for licensing information.
+ */
+
+/**
+ * Event adapter classes. 
+ */
+package de.ailis.usb4java.adapter;