Refactor GVFS (don't require libgio)

source/net/filebot/gio/LibC.java

@@ -0,0 +1,9 @@
+package net.filebot.gio;
+
+import com.sun.jna.Library;
+
+interface LibC extends Library {
+
+	int getuid();
+
+}

source/net/filebot/gio/PlatformGVFS.java

@@ -0,0 +1,25 @@
+
+package net.filebot.gio;
+
+import java.io.File;
+import java.net.URI;
+
+import com.sun.jna.Native;
+
+public class PlatformGVFS implements GVFS {
+
+	private static final LibC lib_c = (LibC) Native.loadLibrary("c", LibC.class);
+	private static final String gvfs = "/run/user/" + lib_c.getuid() + "/gvfs/";
+
+	public File getPathForURI(URI uri) {
+		// e.g. smb://10.0.1.5/data/Movies/Avatar.mp4 -> /run/user/1000/gvfs/smb-share:server=10.0.1.5,share=data/Movies/Avatar.mp4
+
+		switch (uri.getScheme()) {
+		case "file":
+			return new File(uri);
+		default:
+			return new File(gvfs + uri.getScheme() + "-share:server=" + uri.getHost() + ",share=" + uri.getPath().substring(1));
+		}
+	}
+
+}