Example usage for java.io PrintWriter PrintWriter

List of usage examples for java.io PrintWriter PrintWriter

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Introduction

In this page you can find the example usage for java.io PrintWriter PrintWriter.

Prototype

public PrintWriter(File file) throws FileNotFoundException

Source Link

Document

Creates a new PrintWriter, without automatic line flushing, with the specified file.

Usage

From source file:mobisocial.musubi.ui.util.FeedHTML.java

public static void writeHeader(FileOutputStream fo, FeedManager feedManager, MFeed feed) {
    PrintWriter w = new PrintWriter(fo);
    w.print("<html>");
    w.print("<head>");
    w.print("<title>");
    w.print(StringEscapeUtils.escapeHtml4(UiUtil.getFeedNameFromMembersList(feedManager, feed)));
    w.print("</title>");
    w.print("</head>");
    w.print("<body>");
    w.print("<h1>");
    w.print(StringEscapeUtils.escapeHtml4(UiUtil.getFeedNameFromMembersList(feedManager, feed)));
    w.print("</h1>");
    w.flush();//from   ww  w  .ja v a  2s  .c om
}

From source file:com.talis.entity.TestUtils.java

public static void printQuads(Iterable<Quad> quads) {
    PrintWriter out = new PrintWriter(System.out);
    for (Quad quad : quads) {
        OutputLangUtils.output(out, quad, null, null);
    }/*w  w w  . j a  v  a 2s .  c  om*/
    out.flush();
}

From source file:Main.java

/**
 * Copied from "android.util.Log.getStackTraceString()" in order to avoid usage of Android stack
 * in unit tests./*from  ww w. j a v a 2 s .c  om*/
 *
 * @return Stack trace in form of String
 */
static String getStackTraceString(Throwable tr) {
    if (tr == null) {
        return "";
    }

    // This is to reduce the amount of log spew that apps do in the non-error
    // condition of the network being unavailable.
    Throwable t = tr;
    while (t != null) {
        if (t instanceof UnknownHostException) {
            return "";
        }
        t = t.getCause();
    }

    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    tr.printStackTrace(pw);
    pw.flush();
    return sw.toString();
}

From source file:StringUtils.java

/**
 * Make a string representation of the exception.
 * @param e The exception to stringify//from  www . j a  v  a 2s.c om
 * @return A string with exception name and call stack.
 */
public static String stringifyException(Throwable e) {
    StringWriter stm = new StringWriter();
    PrintWriter wrt = new PrintWriter(stm);
    e.printStackTrace(wrt);
    wrt.close();
    return stm.toString();
}

From source file:LoginClient.java

public LoginClient() {
    try {/*w w  w. ja va2s .c  o m*/
        SSLSocketFactory socketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
        SSLSocket socket = (SSLSocket) socketFactory.createSocket("localhost", 7070);
        PrintWriter output = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
        String userName = "MyName";
        output.println(userName);
        String password = "MyPass";
        output.println(password);
        output.flush();
        BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        String response = input.readLine();
        System.out.println(response);

        output.close();
        input.close();
        socket.close();
    } catch (IOException ioException) {
        ioException.printStackTrace();
    } finally {
        System.exit(0);
    }
}

From source file:de.ocarthon.core.utility.GzipCompression.java

public static void compress(String input, OutputStream os) throws IOException {
    GZIPOutputStream gos = null;/*  w  w  w  .  ja va 2s .co  m*/
    PrintWriter pw = null;

    try {
        gos = new GZIPOutputStream(os);
        pw = new PrintWriter(gos);
        pw.write(input);
    } finally {
        IOUtils.closeQuietly(pw);
        IOUtils.closeQuietly(gos);
    }
}

From source file:Main.java

public static void openFeedback(Activity activity) {
    try {// w w w .j  a  va  2 s .co m
        throw new Exception();
    } catch (Exception e) {
        ApplicationErrorReport report = new ApplicationErrorReport();
        report.packageName = report.processName = activity.getApplication().getPackageName();
        report.time = System.currentTimeMillis();
        report.type = ApplicationErrorReport.TYPE_CRASH;
        report.systemApp = false;
        ApplicationErrorReport.CrashInfo crash = new ApplicationErrorReport.CrashInfo();
        crash.exceptionClassName = e.getClass().getSimpleName();
        crash.exceptionMessage = e.getMessage();
        StringWriter writer = new StringWriter();
        PrintWriter printer = new PrintWriter(writer);
        e.printStackTrace(printer);
        crash.stackTrace = writer.toString();
        StackTraceElement stack = e.getStackTrace()[0];
        crash.throwClassName = stack.getClassName();
        crash.throwFileName = stack.getFileName();
        crash.throwLineNumber = stack.getLineNumber();
        crash.throwMethodName = stack.getMethodName();
        report.crashInfo = crash;
        Intent intent = new Intent(Intent.ACTION_APP_ERROR);
        intent.putExtra(Intent.EXTRA_BUG_REPORT, report);
        activity.startActivity(intent);
    }
}

From source file:edu.nyupoly.cs6903.ag3671.FTPClientExample.java

public static void main(String[] args) throws UnknownHostException, Exception {
    // MY CODE/*from  w w w. jav a  2s. com*/
    if (crypto(Collections.unmodifiableList(Arrays.asList(args)))) {
        return;
    }
    ;
    // MY CODE -- END

    boolean storeFile = false, binaryTransfer = true, error = false, listFiles = false, listNames = false,
            hidden = false;
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false;
    boolean lenient = false;
    long keepAliveTimeout = -1;
    int controlKeepAliveReplyTimeout = -1;
    int minParams = 5; // listings require 3 params
    String protocol = null; // SSL protocol
    String doCommand = null;
    String trustmgr = null;
    String proxyHost = null;
    int proxyPort = 80;
    String proxyUser = null;
    String proxyPassword = null;
    String username = null;
    String password = null;

    int base = 0;
    for (base = 0; base < args.length; base++) {
        if (args[base].equals("-s")) {
            storeFile = true;
        } else if (args[base].equals("-a")) {
            localActive = true;
        } else if (args[base].equals("-A")) {
            username = "anonymous";
            password = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName();
        }
        // Always use binary transfer 
        //            else if (args[base].equals("-b")) {
        //                binaryTransfer = true;
        //            }
        else if (args[base].equals("-c")) {
            doCommand = args[++base];
            minParams = 3;
        } else if (args[base].equals("-d")) {
            mlsd = true;
            minParams = 3;
        } else if (args[base].equals("-e")) {
            useEpsvWithIPv4 = true;
        } else if (args[base].equals("-f")) {
            feat = true;
            minParams = 3;
        } else if (args[base].equals("-h")) {
            hidden = true;
        } else if (args[base].equals("-k")) {
            keepAliveTimeout = Long.parseLong(args[++base]);
        } else if (args[base].equals("-l")) {
            listFiles = true;
            minParams = 3;
        } else if (args[base].equals("-L")) {
            lenient = true;
        } else if (args[base].equals("-n")) {
            listNames = true;
            minParams = 3;
        } else if (args[base].equals("-p")) {
            protocol = args[++base];
        } else if (args[base].equals("-t")) {
            mlst = true;
            minParams = 3;
        } else if (args[base].equals("-w")) {
            controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]);
        } else if (args[base].equals("-T")) {
            trustmgr = args[++base];
        } else if (args[base].equals("-PrH")) {
            proxyHost = args[++base];
            String parts[] = proxyHost.split(":");
            if (parts.length == 2) {
                proxyHost = parts[0];
                proxyPort = Integer.parseInt(parts[1]);
            }
        } else if (args[base].equals("-PrU")) {
            proxyUser = args[++base];
        } else if (args[base].equals("-PrP")) {
            proxyPassword = args[++base];
        } else if (args[base].equals("-#")) {
            printHash = true;
        } else {
            break;
        }
    }

    int remain = args.length - base;
    if (username != null) {
        minParams -= 2;
    }
    if (remain < minParams) // server, user, pass, remote, local [protocol]
    {
        System.err.println(USAGE);
        System.exit(1);
    }

    String server = args[base++];
    int port = 0;
    String parts[] = server.split(":");
    if (parts.length == 2) {
        server = parts[0];
        port = Integer.parseInt(parts[1]);
    }
    if (username == null) {
        username = args[base++];
        password = args[base++];
    }

    String remote = null;
    if (args.length - base > 0) {
        remote = args[base++];
    }

    String local = null;
    if (args.length - base > 0) {
        local = args[base++];
    }

    final FTPClient ftp;
    if (protocol == null) {
        if (proxyHost != null) {
            System.out.println("Using HTTP proxy server: " + proxyHost);
            ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword);
        } else {
            ftp = new FTPClient();
        }
    } else {
        FTPSClient ftps;
        if (protocol.equals("true")) {
            ftps = new FTPSClient(true);
        } else if (protocol.equals("false")) {
            ftps = new FTPSClient(false);
        } else {
            String prot[] = protocol.split(",");
            if (prot.length == 1) { // Just protocol
                ftps = new FTPSClient(protocol);
            } else { // protocol,true|false
                ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1]));
            }
        }
        ftp = ftps;
        if ("all".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        } else if ("valid".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        } else if ("none".equals(trustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (printHash) {
        ftp.setCopyStreamListener(createListener());
    }
    if (keepAliveTimeout >= 0) {
        ftp.setControlKeepAliveTimeout(keepAliveTimeout);
    }
    if (controlKeepAliveReplyTimeout >= 0) {
        ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout);
    }
    ftp.setListHiddenFiles(hidden);

    // suppress login details
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    try {
        int reply;
        if (port > 0) {
            ftp.connect(server, port);
        } else {
            ftp.connect(server);
        }
        System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemType());

        if (binaryTransfer) {
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
        } else {
            // in theory this should not be necessary as servers should default to ASCII
            // but they don't all do so - see NET-500
            ftp.setFileType(FTP.ASCII_FILE_TYPE);
        }

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        if (localActive) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        ftp.setUseEPSVwithIPv4(useEpsvWithIPv4);

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);
            // MY CODE
            byte[] bytes = IOUtils.toByteArray(input);
            InputStream encrypted = new ByteArrayInputStream(cryptor.encrypt(bytes));
            // MY CODE -- END
            ftp.storeFile(remote, encrypted);

            input.close();
        } else if (listFiles) {
            if (lenient) {
                FTPClientConfig config = new FTPClientConfig();
                config.setLenientFutureDates(true);
                ftp.configure(config);
            }

            for (FTPFile f : ftp.listFiles(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlsd) {
            for (FTPFile f : ftp.mlistDir(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlst) {
            FTPFile f = ftp.mlistFile(remote);
            if (f != null) {
                System.out.println(f.toFormattedString());
            }
        } else if (listNames) {
            for (String s : ftp.listNames(remote)) {
                System.out.println(s);
            }
        } else if (feat) {
            // boolean feature check
            if (remote != null) { // See if the command is present
                if (ftp.hasFeature(remote)) {
                    System.out.println("Has feature: " + remote);
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " was not detected");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }

                // Strings feature check
                String[] features = ftp.featureValues(remote);
                if (features != null) {
                    for (String f : features) {
                        System.out.println("FEAT " + remote + "=" + f + ".");
                    }
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " is not present");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }
            } else {
                if (ftp.features()) {
                    //                        Command listener has already printed the output
                } else {
                    System.out.println("Failed: " + ftp.getReplyString());
                }
            }
        } else if (doCommand != null) {
            if (ftp.doCommand(doCommand, remote)) {
                //                  Command listener has already printed the output
                //                    for(String s : ftp.getReplyStrings()) {
                //                        System.out.println(s);
                //                    }
            } else {
                System.out.println("Failed: " + ftp.getReplyString());
            }
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            // MY CODE
            ByteArrayOutputStream remoteFile = new ByteArrayOutputStream();
            //InputStream byteIn = new ByteArrayInputStream(buf);
            ftp.retrieveFile(remote, remoteFile);
            remoteFile.flush();
            Optional<byte[]> opt = cryptor.decrypt(remoteFile.toByteArray());
            if (opt.isPresent()) {
                output.write(opt.get());
            }
            remoteFile.close();
            // MY CODE -- END
            output.close();
        }

        ftp.noop(); // check that control connection is working OK

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}

From source file:Main.java

/**
 * To stack trace string string.//from   w  w  w .j  ava 2 s.c o m
 *
 * @param throwable the throwable
 * @return the string
 */
public static String toStackTraceString(Throwable throwable) {
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    throwable.printStackTrace(pw);
    String stackTraceString = sw.toString();
    //Reduce data to 128KB so we don't get a TransactionTooLargeException when sending the intent.
    //The limit is 1MB on Android but some devices seem to have it lower.
    //See: http://developer.android.com/reference/android/os/TransactionTooLargeException.html
    //And: http://stackoverflow.com/questions/11451393/what-to-do-on-transactiontoolargeexception#comment46697371_12809171
    if (stackTraceString.length() > MAX_STACK_TRACE_SIZE) {
        String disclaimer = " [stack trace too large]";
        stackTraceString = stackTraceString.substring(0, MAX_STACK_TRACE_SIZE - disclaimer.length())
                + disclaimer;
    }
    return stackTraceString;
}

From source file:com.autentia.intra.util.BeanUtils.java

/**
 * Devuelve la pila de una excepcion/*from   w w  w .  ja  v a2  s  . co m*/
 *
 * @param ex la excepcion
 * @return la pila de la excepcion
 */
public static String getErrorDesc(Throwable ex) {
    StringBuffer sb = new StringBuffer();
    StringWriter sw = new StringWriter();
    ex.printStackTrace(new PrintWriter(sw));
    sb.append(sw.toString());
    return sb.toString();
}