/**
* 'handler' can be of any type that implements 'exportedInterface', but only methods declared by
* the interface (and its superinterfaces) will be invocable.
*/
public <T> InAppServer(
String name,
String portFilename,
InetAddress inetAddress,
Class<T> exportedInterface,
T handler) {
this.fullName = name + "Server";
this.exportedInterface = exportedInterface;
this.handler = handler;
// In the absence of authentication, we shouldn't risk starting a server as root.
if (System.getProperty("user.name").equals("root")) {
Log.warn(
"InAppServer: refusing to start unauthenticated server \"" + fullName + "\" as root!");
return;
}
try {
File portFile = FileUtilities.fileFromString(portFilename);
secretFile = new File(portFile.getPath() + ".secret");
Thread serverThread = new Thread(new ConnectionAccepter(portFile, inetAddress), fullName);
// If there are no other threads left, the InApp server shouldn't keep us alive.
serverThread.setDaemon(true);
serverThread.start();
} catch (Throwable th) {
Log.warn("InAppServer: couldn't start \"" + fullName + "\".", th);
}
writeNewSecret();
}
/**
* Reads all the lines from the named file into a string array. Throws a RuntimeException on
* failure.
*/
public static String[] readLinesFromFile(String filename) {
ArrayList<String> result = new ArrayList<String>();
LineNumberReader in = null;
try {
File file = FileUtilities.fileFromString(filename);
in = new LineNumberReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
String line;
while ((line = in.readLine()) != null) {
result.add(line);
}
return result.toArray(new String[result.size()]);
} catch (IOException ex) {
throw new RuntimeException(ex);
} finally {
FileUtilities.close(in);
}
}