Use native createTempFile method, Fix #43

src/main/java/net/arikia/dev/drpc/DiscordRPC.java

@@ -125,38 +125,34 @@ public static void discordRespond(String userId, DiscordReply reply) {
 	private static void loadDLL() {
 		String name = System.mapLibraryName("discord-rpc");
 		OSUtil osUtil = new OSUtil();
-		File homeDir;
 		String finalPath;
-		String tempPath;
 		String dir;
 
 		if (osUtil.isMac()) {
-			homeDir = new File(System.getProperty("user.home") + File.separator + "Library" + File.separator + "Application Support" + File.separator);
 			dir = "darwin";
-			tempPath = homeDir + File.separator + "discord-rpc" + File.separator + name;
 		} else if (osUtil.isWindows()) {
-			homeDir = new File(System.getenv("TEMP"));
 			boolean is64bit = System.getProperty("sun.arch.data.model").equals("64");
 			dir = (is64bit ? "win-x64" : "win-x86");
-			tempPath = homeDir + File.separator + "discord-rpc" + File.separator + name;
 		} else {
-			homeDir = new File(System.getProperty("user.home"), ".discord-rpc");
 			dir = "linux";
-			tempPath = homeDir + File.separator + name;
 		}
 
 		finalPath = "/" + dir + "/" + name;
 
-		File f = new File(tempPath);
+		try {
+			File f = File.createTempFile("drpc", name);
 
-		try (InputStream in = DiscordRPC.class.getResourceAsStream(finalPath); OutputStream out = openOutputStream(f)) {
-			copyFile(in, out);
-			f.deleteOnExit();
-		} catch (IOException e) {
+			try (InputStream in = DiscordRPC.class.getResourceAsStream(finalPath); OutputStream out = openOutputStream(f)) {
+				copyFile(in, out);
+				f.deleteOnExit();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+
+			System.load(f.getAbsolutePath());
+		} catch(Exception e) {
 			e.printStackTrace();
 		}
-
-		System.load(f.getAbsolutePath());
 	}
 
 	private static void copyFile(final InputStream input, final OutputStream output) throws IOException {
@@ -235,4 +231,4 @@ private interface DLL extends Library {
 		void Discord_ClearPresence();
 		void Discord_Respond(String userId, int reply);
 	}
-}
+}