extract native libraries

2 files changed, 36 insertions, 1 deletions

diff --git a/src/main/java/com/github/jodersky/flow/NativeSerial.java b/src/main/java/com/github/jodersky/flow/NativeSerial.java
index 10a82c9..f5d708e 100644
--- a/src/main/java/com/github/jodersky/flow/NativeSerial.java
+++ b/src/main/java/com/github/jodersky/flow/NativeSerial.java
@@ -3,7 +3,7 @@ package com.github.jodersky.flow;
 public class NativeSerial {
 	
 	static {
-		System.loadLibrary("flow");
+		NativeLoader.load();
 	}
 	
 	final static int E_PERMISSION = -1;
diff --git a/src/main/scala/com/github/jodersky/flow/NativeLoader.scala b/src/main/scala/com/github/jodersky/flow/NativeLoader.scala
new file mode 100644
index 0000000..91b3fd8
--- /dev/null
+++ b/src/main/scala/com/github/jodersky/flow/NativeLoader.scala
@@ -0,0 +1,35 @@
+package com.github.jodersky.flow
+
+import java.io.File
+import java.io.FileOutputStream
+
+object NativeLoader {
+
+  def load = {
+    val os = System.getProperty("os.name").toLowerCase
+    val arch = System.getProperty("os.arch").toLowerCase
+
+    val in = NativeLoader.getClass().getResourceAsStream("/native/" + os + "/" + arch + "/" + "libflow.so")
+    val temp = File.createTempFile("flow" + os + arch, ".so");
+    temp.deleteOnExit()
+    val out = new FileOutputStream(temp);
+
+    try {
+      var read: Int = 0; ;
+      val buffer = new Array[Byte](4096);
+      do {
+        read = in.read(buffer)
+        if (read != -1) {
+          out.write(buffer, 0, read);
+        }
+      } while (read != -1)
+    } finally {
+      in.close()
+      out.close
+    }
+
+    System.load(temp.getAbsolutePath())
+
+  }
+
+}
\ No newline at end of file