Example usage for java.io FileWriter close

List of usage examples for java.io FileWriter close

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Usage

From source file:Util.PacketGenerator.java

public static void GenerateTopology() {
    try {/*from w w w  . j a v  a  2 s.c o  m*/
        File file = new File("D:\\Mestrado\\Prototipo\\topologydata\\AS1239\\CONVERTED.POP.1239");
        File newFile = new File("D:\\Mestrado\\SketchMatrix\\trunk\\AS1239_TOPOLOGY");

        FileInputStream topologyFIS = new FileInputStream(file);
        DataInputStream topologyDIS = new DataInputStream(topologyFIS);
        BufferedReader topologyBR = new BufferedReader(new InputStreamReader(topologyDIS));

        String topologyStr = topologyBR.readLine();

        int numberOfEdges = 0;
        Set<Integer> nodes = new HashSet<>();

        while (topologyStr != null) {

            String[] edge = topologyStr.split(" ");

            nodes.add(Integer.parseInt(edge[0]));
            nodes.add(Integer.parseInt(edge[1]));
            numberOfEdges++;

            topologyStr = topologyBR.readLine();

        }
        topologyBR.close();
        topologyDIS.close();
        topologyFIS.close();

        topologyFIS = new FileInputStream(file);
        topologyDIS = new DataInputStream(topologyFIS);
        topologyBR = new BufferedReader(new InputStreamReader(topologyDIS));
        FileWriter topologyFW = new FileWriter(newFile);

        topologyStr = topologyBR.readLine();

        topologyFW.write(nodes.size() + " " + numberOfEdges + "\n");

        while (topologyStr != null) {

            String[] edge = topologyStr.split(" ");

            nodes.add(Integer.parseInt(edge[0]));
            nodes.add(Integer.parseInt(edge[1]));
            nodes.add(Integer.parseInt(edge[1]));

            topologyFW.write(Integer.parseInt(edge[0]) + " " + Integer.parseInt(edge[1]) + " 1\n");

            topologyStr = topologyBR.readLine();

        }

        topologyBR.close();
        topologyDIS.close();
        topologyFIS.close();
        topologyFW.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.mhs.hboxmaintenanceserver.utils.Utils.java

/**
 * Create properties file// ww  w .  j a v  a 2s. c o m
 *
 * @param filename
 * @param props
 * @return
 */
private static File createPropFile(String filename, String[] props) {
    File file = new File(filename);
    if (!file.exists()) {
        FileWriter pw = null;
        try {
            pw = new FileWriter(file);
            for (String s : props) {
                pw.write(new String(s.getBytes(), "UTF-8"));
            }
            pw.close();
        } catch (IOException ex) {
            Logger.getLogger(Utils.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (pw != null) {
                    pw.close();
                }
            } catch (IOException ex) {
                Logger.getLogger(Utils.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
    return file;
}

From source file:edu.kit.dama.util.SystemUtils.java

/**
 * Generate the lock script for Unix systems.
 *
 * @return The full path to the lock script.
 *
 * @throws IOException If the generation fails.
 *///  ww  w .j a v  a2 s. c  o  m
private static String generateLockScript() throws IOException {
    String scriptFile;
    FileWriter fout = null;
    try {
        scriptFile = FilenameUtils.concat(System.getProperty("java.io.tmpdir"), "lockFolder.sh");
        fout = new FileWriter(scriptFile, false);
        StringBuilder b = new StringBuilder();
        b.append("#!/bin/sh\n");
        b.append("echo Changing owner of $1 to `whoami`\n");
        b.append("chown `whoami` $1 -R\n");
        b.append("echo Changing access of $1 to 700\n");
        b.append("chmod 700 $1 -R\n");
        LOGGER.debug("Writing script data to '{}'", scriptFile);
        fout.write(b.toString());
        fout.flush();
    } finally {
        if (fout != null) {
            try {
                fout.close();
            } catch (IOException ioe) {//ignore
            }
        }
    }
    return scriptFile;
}

From source file:com.magnet.mmx.tsung.GenTestScript.java

public static void generateScripts(Settings settings) throws TemplateException {
    genSettings = settings;/*from w w  w .  j a va2  s.co m*/
    File file = new File(settings.outputDir + "/userdb.csv");
    FileWriter fileWriter = null;
    try {
        fileWriter = new FileWriter(file);
        // hard-code to "test" for all passwords
        String password = "test";
        for (int i = 1; i <= settings.maxCount; i++) {
            String jid = settings.userName + i + "%" + settings.appId;
            int random = new Random().nextInt(settings.maxCount); // make sure it's at least 1
            if (random == 0)
                random++;
            String toJid = settings.userName + random + "%" + settings.appId;
            // jid;password;toJid
            StringBuilder rowBuilder = new StringBuilder();
            rowBuilder.append(jid).append(";").append(password).append(";").append(toJid).append("\n");
            fileWriter.write(rowBuilder.toString());
        }
        fileWriter.close();

        // generate the login load test file
        generateLoginScript(settings);

        // generate the dev registration files
        generateDevRegScript(settings);

        // generate the message send files
        generateSendMessageScript(settings);

    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:gumga.framework.application.GumgaLoggerService.java

public void logToFile(String msg, int level) {
    try {/*from www  . j a va  2 s .  c om*/
        String line = createLogLine(msg, level);
        File folder = new File(gumgaValues.getLogDir());
        folder.mkdirs();
        File log = new File(folder, "gumgalog.txt");
        FileWriter fw = new FileWriter(log, true);
        fw.write(line);
        fw.close();
    } catch (IOException ex) {
        log.error("Problema ao loggar no arquivo", ex);
    }
}

From source file:com.lhings.java.LhingsDevice.java

private static void updateProperties() {
    try {//from   ww  w.j  a  va 2  s. co m
        FileWriter writer = new FileWriter(fileUuids);
        uuids.store(writer, "Java Lhings SDK device list - last modified " + new Date());
        writer.close();
    } catch (IOException ex) {
        log.error("Device list properties file could not be saved.");
    }
}

From source file:io.gumga.application.GumgaLoggerService.java

/**
 * Adiciona uma mensagem no gumgalog.txt
 * @param msg mensagem a ser adicionada no arquivo
 * @param level index da execption do StrackTrace
 *///  w  w  w  .  ja v a2s  .com
public void logToFile(String msg, int level) {
    try {
        String line = createLogLine(msg, level);
        File folder = new File(gumgaValues.getLogDir());
        folder.mkdirs();
        File log = new File(folder, "gumgalog.txt");
        FileWriter fw = new FileWriter(log, true);
        fw.write(line);
        fw.close();
    } catch (IOException ex) {
        log.error("Problema ao loggar no arquivo", ex);
    }
}

From source file:AuthenticateNT.java

public Object run() {
    try {//from  ww  w .  j a va 2  s. c o m
        File file = new File("D:/", "privilegedFile.txt");
        FileWriter fileWriter = new FileWriter(file);

        fileWriter.write("Welcome to JAAS!");
        fileWriter.close();
    } catch (IOException ioException) {
        ioException.printStackTrace();
    }

    return null;

}

From source file:hd3gtv.mydmam.auth.AuthenticationBackend.java

public static void checkFirstPlayBoot() throws Exception {
    if (authenticators == null) {
        throw new NullPointerException("No backend");
    }//from   w  w w  .ja  v a2  s . co m
    if (authenticators.size() == 0) {
        throw new NullPointerException("No backend");
    }
    if ((authenticators.get(0) instanceof AuthenticatorLocalsqlite) == false) {
        /**
         * Admin has set a configuration : no need to setup a first boot
         */
        return;
    }
    AuthenticatorLocalsqlite authenticatorlocalsqlite = (AuthenticatorLocalsqlite) authenticators.get(0);
    if (authenticatorlocalsqlite.isUserExists(ACLUser.ADMIN_NAME) == false) {
        String newpassword = passwordGenerator();
        authenticatorlocalsqlite.createUser(ACLUser.ADMIN_NAME, newpassword, "Local Admin", true);

        File textfile = new File("play-new-password.txt");
        FileWriter fw = new FileWriter(textfile, false);
        fw.write("Admin login: " + ACLUser.ADMIN_NAME + "\r\n");
        fw.write("Admin password: " + newpassword + "\r\n");
        fw.write("\r\n");
        fw.write("You should remove this file after keeping this password..\r\n");
        fw.write("\r\n");
        fw.write("You can change this password with mydmam-cli:\r\n");
        fw.write("$ mydmam-cli localauth -f " + authenticatorlocalsqlite.getDbfile().getAbsolutePath()
                + " -key " + authenticatorlocalsqlite.getMaster_password_key() + " -passwd -u "
                + ACLUser.ADMIN_NAME + "\r\n");
        fw.write("\r\n");
        fw.write(
                "Note: you haven't need a local authenticator if you set another backend and if you grant some new administrators\r\n");
        fw.close();

        Log2Dump dump = new Log2Dump();
        dump.add("login", ACLUser.ADMIN_NAME);
        dump.add("password file", textfile.getAbsoluteFile());
        dump.add("local database", authenticatorlocalsqlite.getDbfile());
        Log2.log.security("Create Play administrator account", dump);

    } else if (authenticatorlocalsqlite.isEnabledUser(ACLUser.ADMIN_NAME) == false) {
        throw new Exception("User " + ACLUser.ADMIN_NAME + " is disabled in sqlite file !");
    }

}

From source file:de.prozesskraft.pkraft.Manager.java

private static void exiterException(String pathToInstance, Exception e) {
    try {//w w w  .  j  ava  2 s . c om
        java.io.FileWriter writer = new FileWriter(pathToInstance + ".pkraft-manager.stacktrace", true);
        writer.write(new Timestamp(System.currentTimeMillis()).toString() + "\n");
        writer.write(e.getMessage() + "\n");
        writer.write(e.getStackTrace() + "\n");
        writer.write("--------------" + "\n");
        writer.close();
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    exit = true;
    System.exit(1);
}