java: added example GpioRead6 based on gpio_read6.c

Signed-off-by: Jakub Kramarz <jkramarz@virtuslab.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/java/GpioRead6.java

@@ -0,0 +1,44 @@
+/*
+ * Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ * Author: Jakub Kramarz <jkramarz@virtuslab.com>
+ * Copyright (c) 2015 VirtusLab
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+public class GpioRead6 {
+  static {
+    try {
+      System.loadLibrary("mraajava");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println(
+          "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
+          e);
+      System.exit(1);
+    }
+  }
+  public static void main(String argv[]) {
+    mraa.mraa.init();
+    mraa.Gpio gpio_in = new mraa.Gpio(6);
+    gpio_in.dir(mraa.Dir.DIR_IN);
+    System.out.format("Gpio is %d\n", gpio_in.read());
+  }
+}