public void run() {
if (ServerSocket == null) return;
while (true) {
try {
InetAddress address;
int port;
DatagramPacket packet;
byte[] data = new byte[1460];
packet = new DatagramPacket(data, data.length);
ServerSocket.receive(packet);
//
//
address = packet.getAddress();
port = packet.getPort();
System.out.println("get the Client port is: " + port);
System.out.println("get the data length is: " + data.length);
FileWriter fw = new FileWriter("Fortunes.txt");
PrintWriter out = new PrintWriter(fw);
for (int i = 0; i < data.length; i++) {
out.print(data[i] + " ");
}
out.close();
System.out.println("Data has been writen to destination!");
packet = new DatagramPacket(data, data.length, address, port);
ServerSocket.send(packet);
System.out.println("Respond has been made!");
} catch (Exception e) {
System.err.println("Exception: " + e);
e.printStackTrace();
}
}
}
public static void main(String[] args) throws IOException, InterruptedException {
for (int iter = 1; iter <= 1000; ++iter) {
System.out.println("HELLO");
// ask for a value
Socket s1 = new Socket("127.0.0.1", 12345);
PrintWriter out = new PrintWriter(s1.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(s1.getInputStream()));
out.println(-1);
String response = in.readLine();
s1.close();
out.close();
in.close();
// increase by 1
int val = Integer.parseInt(response);
val++;
// set value
Socket s2 = new Socket("127.0.0.1", 12345);
out = new PrintWriter(s2.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(s2.getInputStream()));
out.println(val);
s2.close();
out.close();
in.close();
}
}
public void registrarUsuario() {
String dato = "";
JSONParser parser = new JSONParser();
try {
while (true) {
dato = dis.readUTF();
String usuario = "";
String contraseña = "";
String contra = "";
if (dato.equals("Usuario")) {
while (true) {
usuario = dis.readUTF();
if (usuario != null) {
JSONObject user = new JSONObject();
user.put(usuario, null);
FileWriter escribir = new FileWriter("texto.txt");
BufferedWriter bw = new BufferedWriter(escribir);
PrintWriter pw = new PrintWriter(bw);
pw.write(user.toJSONString());
pw.close();
bw.close();
while (true) {
contra = dis.readUTF();
if (contra.equals("Contraseña")) {
while (true) {
contraseña = dis.readUTF();
if (contraseña != null) {
Object obj = parser.parse(new FileReader("texto.txt"));
JSONObject asignaPass = (JSONObject) obj;
asignaPass.put(usuario, contra);
FileWriter escribir2 = new FileWriter("texto.txt");
BufferedWriter bw2 = new BufferedWriter(escribir2);
PrintWriter pw2 = new PrintWriter(bw2);
pw2.write(asignaPass.toJSONString());
bw2.newLine();
pw2.close();
bw2.close();
break;
}
}
break;
}
}
break;
}
}
break;
}
}
} catch (Exception e) {
}
}
public void connect(GUIClient GUI) throws IOException {
try {
connectSocket = new Socket(ServerIp, ServerPort);
out = new PrintWriter(connectSocket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(connectSocket.getInputStream()));
} catch (UnknownHostException e) {
System.err.println("Cannot Connect to server");
// System.exit(1);
} catch (IOException e) {
System.err.println("Couldn't get I/O for " + "the connection to: " + ServerIp.toString());
// System.exit(1);
}
BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
String clientInput = GUI.getJTareaOut().getText();
while ((clientInput = stdIn.readLine()) != null) {
out.println(clientInput);
System.out.println("Writing: " + in.readLine());
}
out.close();
in.close();
stdIn.close();
connectSocket.close();
}
private void sendProcessingError(Throwable t, ServletResponse response) {
String stackTrace = getStackTrace(t);
if (stackTrace != null && !stackTrace.equals("")) {
try {
response.setContentType("text/html");
PrintStream ps = new PrintStream(response.getOutputStream());
PrintWriter pw = new PrintWriter(ps);
pw.print("<html>\n<head>\n</head>\n<body>\n"); // NOI18N
// PENDING! Localize this for next official release
pw.print("<h1>The resource did not process correctly</h1>\n<pre>\n");
pw.print(stackTrace);
pw.print("</pre></body>\n</html>"); // NOI18N
pw.close();
ps.close();
response.getOutputStream().close();
;
} catch (Exception ex) {
}
} else {
try {
PrintStream ps = new PrintStream(response.getOutputStream());
t.printStackTrace(ps);
ps.close();
response.getOutputStream().close();
;
} catch (Exception ex) {
}
}
}
public static void main(String[] args) {
try {
ServerSocket server = null;
try {
server = new ServerSocket(4700);
} catch (Exception e) {
System.out.println("Can Not Listem To:" + e);
}
Socket socket = null;
try {
socket = server.accept();
} catch (Exception e) {
System.out.println("Error: " + e);
}
String line;
BufferedReader is = new BufferedReader(new InputStreamReader(socket.getInputStream()));
PrintWriter os = new PrintWriter(socket.getOutputStream());
BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Client:" + is.readLine());
line = sin.readLine();
while (!line.equals("bye")) {
os.println(line);
os.flush();
System.out.println("Server:" + line);
System.out.println("Client:" + is.readLine());
line = sin.readLine();
}
os.close();
is.close();
socket.close();
server.close();
} catch (Exception e) {
System.out.println("Error:" + e);
}
}
public static void main(String args[]) {
Scanner input = new Scanner(System.in);
String base;
System.out.println("What is the base URL?");
base = input.nextLine();
System.out.println("Generating . . .");
Set<String> scanned = new HashSet<String>();
Set<String> newLinks =
new HashSet<String>(genSitemap(base, base)); // base href <a> tags index.html
Set<String> incScanned = new HashSet<String>();
List<List<String>> pages = new ArrayList<List<String>>();
do {
for (String a : newLinks) { // load base links, get <a> href for each
scanned.add(a);
System.out.println(a);
incScanned.addAll(genSitemap(a, base));
}
for (String a : scanned) {
// System.out.println(a);
pages.add(getImgs(a));
}
newLinks.addAll(incScanned); // update base href list w/ found links
newLinks.removeAll(scanned); // remove links which are already scanned
} while (newLinks.size() != 0); // repeat scan/filter until no new links found
for (List page : pages) {
String[] ary = ((List<String>) page).toArray(new String[page.size()]);
for (String src : ary) {
System.out.println(src);
}
}
try {
PrintWriter writer = new PrintWriter("sitemap.xml", "UTF-8");
writer.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
writer.println("<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\"");
writer.println("xmlns:image=\"http://www.google.com/schemas/sitemap-image/1.1\">");
for (List page : pages) {
writer.println("<url>");
writer.println("<loc>" + page.get(0) + "</loc>");
page.remove(0);
String[] ary = ((List<String>) page).toArray(new String[page.size()]);
for (String src : ary) {
writer.println("");
writer.println("<image:image>");
writer.println("<image:loc>" + src.replace("../", "") + "</image:loc>");
writer.println("</image:image>");
}
writer.println("</url>");
}
writer.println("</urlset>");
writer.close();
} catch (Exception e) {
System.out.println(e);
}
}
/**
* 向服务器发送命令行，给服务器端处理
*
* @param lines 命令行
*/
public static void clientSend(String[] lines) {
if (lines != null && lines.length <= 0) {
return;
}
Socket socket = null;
PrintWriter writer = null;
try {
socket = new Socket("localhost", port);
writer =
new PrintWriter(
new BufferedWriter(
new OutputStreamWriter(
socket.getOutputStream(), EncodeConstants.ENCODING_UTF_8)));
for (int i = 0; i < lines.length; i++) {
writer.println(lines[i]);
}
writer.flush();
} catch (Exception e) {
FRContext.getLogger().error(e.getMessage(), e);
} finally {
try {
writer.close();
socket.close();
} catch (IOException e) {
FRContext.getLogger().error(e.getMessage(), e);
}
}
}
public void run() {
System.out.println("New Communication Thread Started");
try {
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
String inputLine;
String[] inputTemp = new String[3];
while ((inputLine = in.readLine()) != null) {
System.out.println("Server: " + inputLine);
out.println(inputLine);
if (inputLine.equals("Bye.")) break;
}
out.close();
in.close();
clientSocket.close();
} catch (IOException e) {
System.err.println("Problem with Communication Server");
System.exit(1);
}
}
private String handleConnection() {
String content = null;
try {
PrintWriter streamWriter = new PrintWriter(connection.getOutputStream());
BufferedReader streamReader =
new BufferedReader(new InputStreamReader(connection.getInputStream()));
content = streamReader.readLine();
// System.out.println(content);
log.debug("receiveing begin............\r\n");
log.debug(content);
log.debug("receiveing end........");
streamWriter.println(content + "\r\n");
// streamWriter.println("hello\r\n");
streamWriter.flush();
streamReader.close();
streamWriter.close();
// connection.close();
return content;
} catch (FileNotFoundException e) {
// System.out.println("Could not find requested file on the server.");
log.error("Could not find requested file on the server.");
return content;
} catch (IOException e) {
// System.out.println("Error handling a client: " + e);
log.error("Error handling a client: " + e);
return content;
}
}
/** Write file with position and size of the login box */
public static void writePersistence() {
Messages.postDebug("LoginBox", "LoginBox.writePersistence");
// If the panel has not been created, don't try to write a file
if (position == null) return;
String filepath = FileUtil.savePath("USER/PERSISTENCE/LoginPanel");
FileWriter fw;
PrintWriter os;
try {
File file = new File(filepath);
fw = new FileWriter(file);
os = new PrintWriter(fw);
os.println("Login Panel");
os.println(height);
os.println(width);
double xd = position.getX();
int xi = (int) xd;
os.println(xi);
double yd = position.getY();
int yi = (int) yd;
os.println(yi);
os.close();
} catch (Exception er) {
Messages.postError("Problem creating " + filepath);
Messages.writeStackTrace(er);
}
}
public void go() {
try {
ServerSocket serverSock = new ServerSocket(4242);
System.out.println(getTime() + "서버가 준비되었습니다.");
// ServerSocket을 통해 이 서버 애플리케이션은 이 코드가 실행되고 있는 시스템의 4242번 포트로 들어오는 클라이언트 요청을 감시한다.
while (true) {
System.out.println(getTime() + "연결요청을 기다립니다.");
Socket sock = serverSock.accept();
sock.setSoTimeout(2000);
// accept()메소드는 요청이 들어 올때까지 그냥 기다린다. 그리고 클라이언트 요청이 들어오면 클라이언트와 통신을 위해 (현재 쓰이고 있찌 않은 포트에 대한)
// Socket을 리턴함.
System.out.println(getTime() + sock.getInetAddress() + "로부터 연결요청이 들어왔습니다.");
PrintWriter writer = new PrintWriter(sock.getOutputStream());
String advice = getAdvice();
writer.println(advice);
writer.close();
// 이제 클라이언트에 대한 Socket연결을 써서 PrintWriter를 만들고 클라이언트에 String 조언메시지를 보냄(println() 메소드 사용)
// 그리고 나면 클라이언트와의 작업이 끝난 것이므로 Socket을 닫는다.
System.out.println(advice);
}
} catch (IOException ex) {
System.out.println("ssss");
ex.printStackTrace();
}
} // go 메소드
// Cleanup for disconnect
private static void cleanUp() {
try {
if (hostServer != null) {
hostServer.close();
hostServer = null;
}
} catch (IOException e) {
hostServer = null;
}
try {
if (socket != null) {
socket.close();
socket = null;
}
} catch (IOException e) {
socket = null;
}
try {
if (in != null) {
in.close();
in = null;
}
} catch (IOException e) {
in = null;
}
if (out != null) {
out.close();
out = null;
}
}
public Server() {
try {
ServerSocket ss = new ServerSocket(SERVER_PORT);
Socket s = ss.accept();
InputStream is = s.getInputStream();
OutputStream out = s.getOutputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String sss = br.readLine();
System.out.println(sss);
PrintWriter pw = new PrintWriter(out);
pw.print("hello,我是服务器。");
pw.close();
br.close();
isr.close();
out.close();
is.close();
s.close();
ss.close();
} catch (UnknownHostException ue) {
ue.printStackTrace();
} catch (IOException oe) {
oe.printStackTrace();
}
}
void writeoneline(String filename1, String filename2) throws IOException {
// open the file for reading
BufferedReader file = new BufferedReader(new FileReader(filename1));
String line = null;
// send message
System.out.println("Sending message to the server...");
while ((line = file.readLine()) != null) {
String onebyone = line;
output.println(onebyone);
}
file.close();
// open the file for reading
PrintWriter file2 = new PrintWriter(new BufferedWriter(new FileWriter(filename2)));
String line2 = input.readLine();
// receive a message
// String response = input.readLine();
if (line2.isEmpty()) System.out.println("(server did not reply with a message)");
else {
System.out.println("Writing to file...:");
// String line= null;
file2.println(line2);
file2.close();
}
System.out.println("Done!");
}
/**
* create a Bufferedreader that read from the open url The parameter of the search term research
* can be setup using the various command
*/
private boolean download() {
buffer = new StringBuilder();
// --1. Encode url?
// --2. Do the work
try {
url = new URL(composite_url);
// Config.log("ESearch for: "+search_term);
} catch (MalformedURLException e) {
Config.log("Error: URL is not good.\n" + composite_url);
}
try {
if (in_connection_open) in_connection.close();
in_connection = new BufferedReader(new InputStreamReader(url.openStream()));
if (in_connection != null) in_connection_open = true;
String inputLine = "";
if (isOutputToDisk()) output = new PrintWriter(new FileWriter(new File(filename)));
while ((inputLine = in_connection.readLine()) != null) {
if (!this.isOutputToDisk()) {
buffer.append(inputLine + "\n");
} else {
output.println(inputLine);
}
}
if (isOutputToDisk()) {
output.flush();
output.close();
}
} catch (IOException e) {
Config.log("Unable to download from..." + composite_url);
return false;
}
return true;
}
public static void main(String[] args) throws IOException {
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(PORT);
} catch (IOException e) {
System.err.println("Could not listen on port: " + PORT + ".");
System.exit(1);
}
while (true) {
Socket clientSocket = null;
try {
clientSocket = serverSocket.accept();
startTime = System.currentTimeMillis();
} catch (IOException e) {
System.err.println("Accept failed.");
System.exit(1);
}
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
String inputLine, outputLine;
while ((inputLine = in.readLine()) != null) {
if (messageCount.get(clientSocket) == null) {
messageCount.put(clientSocket, 1);
} else {
messageCount.put(clientSocket, messageCount.get(clientSocket) + 1);
}
overallMessageCount += 1;
System.out.println("---------------------------------------");
System.out.println("Client: " + clientSocket.toString());
System.out.println(
"aktive since " + ((System.currentTimeMillis() - startTime) / 1000) + " seconds");
System.out.println(new Date(System.currentTimeMillis()));
System.out.println("Overall Message Count: " + overallMessageCount);
System.out.println("Message Count from Client: " + messageCount.get(clientSocket));
System.out.println("Message " + inputLine);
System.out.println("---------------------------------------");
outputLine = inputLine.toUpperCase();
if (outputLine.equals("END")) {
out.println("abort");
break;
}
out.println(outputLine);
}
out.close();
in.close();
clientSocket.close();
System.out.println("All Closed");
}
// serverSocket.close();
}
public void tearDownConnection() {
try {
socketWriter.close();
socketReader.close();
} catch (IOException e) {
System.out.println("Error tearing down socket connection: " + e);
}
}
public static void make_output(float Sk[])
throws FileNotFoundException, UnsupportedEncodingException {
PrintWriter writer = new PrintWriter("output.txt", "UTF-8");
float temp = (float) 10.0;
for (int i = 0; i < Sk.length; i++) {
writer.println(String.valueOf(Sk[i]));
}
writer.close();
}
public boolean saveToFile(String filename) {
try {
PrintWriter pw = new PrintWriter(new FileWriter(new File(filename)));
pw.println(buffer.toString());
pw.close();
return true;
} catch (Exception e) {
return false;
}
}
public static void main(String[] args) {
Socket socket = null;
PrintWriter out = null;
BufferedReader in = null;
BufferedReader userInputStream = null;
String IP = "127.0.0.1";
final int PORT_NUM = 4444;
try {
socket = new Socket(IP, PORT_NUM);
out = new PrintWriter(socket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
} catch (UnknownHostException e) {
System.out.println("Unknown host:" + IP + " at port: " + PORT_NUM);
e.printStackTrace();
System.exit(0);
} catch (IOException e) {
System.out.println("Cannot connect to server...");
e.printStackTrace();
System.exit(0);
}
String userInput, fromServer;
try {
userInputStream = new BufferedReader(new InputStreamReader(System.in));
while ((fromServer = in.readLine()) != null) {
System.out.println("Server: " + fromServer);
if (fromServer.equals(":q")) break;
userInput = userInputStream.readLine();
Calendar cal = Calendar.getInstance();
cal.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
if (userInput != null) {
out.println(userInput + " (sent at " + (sdf.format(cal.getTime())) + ")");
}
}
} catch (IOException e) {
System.out.println("Could not access data from client printstream...");
e.printStackTrace();
System.exit(0);
}
try {
out.close();
in.close();
userInputStream.close();
socket.close();
System.out.println("I love you, bye.");
System.out.println("Terminating client...");
} catch (IOException e) {
System.out.println("Socket and stream closing error...");
e.printStackTrace();
System.exit(0);
}
}
private static NameValuePair<Long> poll(Config.HostInfo host, long minAge) throws IOException {
NameValuePair<Long> run = null;
URL target = new URL(host.url, SERVLET_PATH);
HttpURLConnection c;
if (host.proxyHost != null)
c =
(HttpURLConnection)
target.openConnection(
new Proxy(
Proxy.Type.HTTP, new InetSocketAddress(host.proxyHost, host.proxyPort)));
else c = (HttpURLConnection) target.openConnection();
try {
c.setRequestMethod("POST");
c.setConnectTimeout(2000);
c.setDoOutput(true);
c.setDoInput(true);
PrintWriter out = new PrintWriter(c.getOutputStream());
out.write("host=" + Config.FABAN_HOST + "&key=" + host.key + "&minage=" + minAge);
out.flush();
out.close();
} catch (SocketTimeoutException e) {
logger.log(Level.WARNING, "Timeout trying to connect to " + target + '.', e);
throw new IOException("Socket connect timeout");
}
int responseCode = c.getResponseCode();
if (responseCode == HttpServletResponse.SC_OK) {
InputStream is = c.getInputStream();
// The input is a one liner in the form runId\tAge
byte[] buffer = new byte[256]; // Very little cost for this new/GC.
int size = is.read(buffer);
// We have to close the input stream in order to return it to
// the cache, so we get it for all content, even if we don't
// use it. It's (I believe) a bug that the content handlers used
// by getContent() don't close the input stream, but the JDK team
// has marked those bugs as "will not fix."
is.close();
StringTokenizer t = new StringTokenizer(new String(buffer, 0, size), "\t\n");
run = new NameValuePair<Long>();
run.name = t.nextToken();
run.value = Long.parseLong(t.nextToken());
} else if (responseCode != HttpServletResponse.SC_NO_CONTENT) {
logger.warning("Polling " + target + " got response code " + responseCode);
}
return run;
}
private void saveData(TelemetryData data) {
PrintWriter out;
boolean newFile = false;
if (saveCnt > 25000) {
File logFile;
int i;
logFile = new File(telemetryDir + 99 + ".log");
logFile.delete();
newFile = true;
for (i = 99; i > 0; i--) {
logFile = new File(telemetryDir + (i - 1) + ".log");
logFile.renameTo(new File(telemetryDir + i + ".log"));
}
saveCnt = 0;
}
try {
String text = "";
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.GERMAN);
saveCnt++;
out = new PrintWriter(new FileOutputStream(telemetryDir + "0.log", true));
if (newFile) {
text =
"Time\tLatitude\tLongitude\tSpeed\tAcceleration X\tAcceleration Y\tAcceleration Z\tCoG\tOrientation Y\tOrientation Z\n\n";
out.print(text);
}
text = dateFormat.format(new Date(System.currentTimeMillis())) + "\t";
if (posValid) text = text + lastLat + "\t" + lastLon + "\t" + m_lastSpeed + "\t";
else text = text + "-\t-\t-\t";
text =
text
+ data.getAccelX()
+ "\t"
+ data.getAccelY()
+ "\t"
+ data.getAccelZ()
+ "\t"
+ data.CoG
+ "\t"
+ data.getOrientY()
+ "\t"
+ data.getOrientZ()
+ "\n\n";
out.print(text);
out.close();
} catch (IOException ioe) {
}
}
public void disconnect() {
int cmdID = commID++;
this.connected = false;
try {
out.println(cmdID + ";logout");
out.flush();
in.close();
out.close();
socket.close();
} catch (IOException ex) {
System.err.println("Server stop failed.");
}
}
/**
* Preprocesses the messages from the server
*
* @param message
*/
private synchronized void preprocessServerMessage(String message) {
if (message == null) {
this.stop();
try {
reader.close();
writer.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
sendMessage(CLIENT, "Connection Closed by Server");
_group = "";
} else if (message.equals("") == false) processServerMessage(message);
}
public void run() {
while (true) {
try {
// wczytujemy co zostalo przyslane
str = in.readLine();
if (str.startsWith("ADDNEW:")) {
System.out.println("trying to handle Add New User request...");
if (!this.handleAddNew(str.substring(7))) {
break;
}
continue;
}
if (str.startsWith("LOGIN:"******"trying to handle Login User request...");
if (!this.handleLogin(str.substring(6))) {
break;
}
continue;
}
if (str.startsWith("MSG:")) {
System.out.println("trying to handle send message request...");
if (!this.handleMsg(str.substring(4))) {
break;
}
continue;
}
if (str.startsWith("LOGOUT")) {
System.out.println("trying to log out user: "******"logged out user: userId");
}
}
}
}
try {
in.close();
out.close();
s.close();
} catch (IOException e) {
}
}
public Duder(String args[]) {
getConnected(args);
play();
try {
sin.close();
sout.close();
s.close();
} catch (IOException e) {
System.out.println(e);
}
}
public void run() {
sc = new Scanner(System.in);
String choice;
while (true) {
// Show the menu and wait for a choice.
System.out.println(
"Bank menu: (1)Set new MOTD, (2)Show all users, " + "(3)Save user data and quit");
choice = sc.nextLine();
switch (choice) {
case "1":
// Wait for a new MOTD.
System.out.println("Type in a new MOTD if wanted.");
String newMOTD = sc.nextLine();
// If the new MOTD is not longer than 80 characters set the current motd to the new one.
if (newMOTD.length() <= 80) {
motd = newMOTD;
System.out.println("New motd: " + motd);
// Set the new motd in all sessions.
for (int i = 0; i < sessions.size(); i++) {
sessions.get(i).setMotd(motd);
}
}
// If too long, show an error message.
else {
System.out.println("MOTD too long. Try again.");
}
break;
case "2":
// Print all user information with the users built-in toString().
for (int i = 0; i < users.size(); i++) {
System.out.println(users.get(i));
}
break;
case "3":
try {
// Print all the users information to a text file and terminate the server.
PrintWriter out = new PrintWriter(new FileWriter("users.txt"));
for (int i = 0; i < users.size(); i++) {
out.println(users.get(i).export());
}
out.close();
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
}
default:
break;
}
}
}
public static void savePluginsList(Collection<String> ids, boolean append, File plugins)
throws IOException {
if (!plugins.isFile()) {
FileUtil.ensureCanCreateFile(plugins);
}
PrintWriter printWriter = new PrintWriter(new BufferedWriter(new FileWriter(plugins, append)));
try {
for (String id : ids) {
printWriter.println(id);
}
printWriter.flush();
} finally {
printWriter.close();
}
}
public static String getStackTrace(Throwable t) {
String stackTrace = null;
try {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
t.printStackTrace(pw);
pw.close();
sw.close();
stackTrace = sw.getBuffer().toString();
} catch (Exception ex) {
}
return stackTrace;
}