Example usage for java.io PrintWriter close

Introduction

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

Prototype

public void close() 

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:MainClass.java

public static void main(String[] args) {
    try {//from   w w  w  . ja  va  2s  .  c om
        FileWriter fw = new FileWriter("LPT1:");

        PrintWriter pw = new PrintWriter(fw);
        String s = "www.java2s.com";

        int i, len = s.length();

        for (i = 0; len > 80; i += 80) {
            pw.print(s.substring(i, i + 80));
            pw.print("\r\n");
            len -= 80;
        }

        if (len > 0) {
            pw.print(s.substring(i));
            pw.print("\r\n");
        }

        pw.close();
    } catch (IOException e) {
        System.out.println(e);
    }
}

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From source file:com.jaeksoft.searchlib.util.StringUtils.java

public static void main(String[] args) throws IOException {

    List<String> lines = FileUtils.readLines(new File(args[0]));
    FileWriter fw = new FileWriter(new File(args[1]));
    PrintWriter pw = new PrintWriter(fw);
    for (String line : lines)
        pw.println(StringEscapeUtils.unescapeHtml(line));
    pw.close();
    fw.close();/*from  w ww .  j av  a 2 s . c  om*/
}

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From source file:HTMLDemo.java

public static void main(String[] a) throws IOException {
    PrintWriter pw = new PrintWriter(new FileWriter("test.html"));
    DecimalFormat ff = new DecimalFormat("#0"), cf = new DecimalFormat("0.0");
    pw.println("<TABLE BORDER><TR><TH>Fahrenheit<TH>Celsius</TR>");
    for (double f = 100; f <= 400; f += 10) {
        double c = 5 * (f - 32) / 9;
        pw.println("<TR ALIGN=RIGHT><TD>" + ff.format(f) + "<TD>" + cf.format(c));
    }/*from w  ww.  ja  v a  2  s  .c  o  m*/
    pw.println("</TABLE>");
    pw.close(); // Without this, the output file may be empty
}

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From source file:com.bstek.dorado.idesupport.StandaloneRuleSetExporter.java

public static void main(String[] args) throws Exception {
    String ruleSetFile = null;/*from  w ww  . j  a v a2s .co m*/
    String doradoHome = null;
    if (args.length >= 2) {
        ruleSetFile = args[0];
        doradoHome = args[1];
    } else {
        throw new IllegalArgumentException();
    }

    if (StringUtils.isEmpty(doradoHome)) {
        doradoHome = System.getenv("DORADO_HOME");
    }

    StandaloneRuleSetExporter instance = new StandaloneRuleSetExporter(doradoHome);

    FileOutputStream fos = new FileOutputStream(ruleSetFile);
    PrintWriter writer = new PrintWriter(new OutputStreamWriter(fos, Constants.DEFAULT_CHARSET));
    try {
        instance.exportRuleSet(writer);
    } finally {
        writer.flush();
        writer.close();
        fos.close();
    }
}

---

From source file:Main.java

public static void main(String args[]) throws Exception {
    SocketFactory factory = SSLSocketFactory.getDefault();
    Socket socket = factory.createSocket("127.0.0.1", 8080);

    OutputStream outputStream = socket.getOutputStream();
    PrintWriter out = new PrintWriter(outputStream);
    out.print("GET / HTTP/1.0\r\n\r\n");
    out.flush();/*from www . j  a va 2s.  c om*/
    InputStream inputStream = socket.getInputStream();
    InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
    BufferedReader in = new BufferedReader(inputStreamReader);

    String line;
    while ((line = in.readLine()) != null) {
        System.out.println(line);
    }
    out.close();
    in.close();
    socket.close();

}

---

From source file:UseConverters.java

public static void main(String[] args) {
    try {/*from  ww  w .j a v  a 2s. c  om*/
        BufferedReader fromKanji = new BufferedReader(
                new InputStreamReader(new FileInputStream("kanji.txt"), "EUC_JP"));
        PrintWriter toSwedish = new PrintWriter(new OutputStreamWriter( // XXX
                // check
                // enco
                new FileOutputStream("sverige.txt"), "ISO8859_3"));

        // reading and writing here...
        String line = fromKanji.readLine();
        System.out.println("-->" + line + "<--");
        toSwedish.println(line);
        fromKanji.close();
        toSwedish.close();
    } catch (UnsupportedEncodingException exc) {
        System.err.println("Bad encoding" + exc);
        return;
    } catch (IOException err) {
        System.err.println("I/O Error: " + err);
        return;
    }
}

---

From source file:com.kappaware.logtrawler.Main.java

@SuppressWarnings("static-access")
static public void main(String[] argv) throws Throwable {

    Config config;/* w w  w  .ja  v a2s  .co  m*/

    Options options = new Options();

    options.addOption(OptionBuilder.hasArg().withArgName("configFile").withLongOpt("config-file")
            .withDescription("JSON configuration file").create("c"));
    options.addOption(OptionBuilder.hasArg().withArgName("folder").withLongOpt("folder")
            .withDescription("Folder to monitor").create("f"));
    options.addOption(OptionBuilder.hasArg().withArgName("exclusion").withLongOpt("exclusion")
            .withDescription("Exclusion regex").create("x"));
    options.addOption(OptionBuilder.hasArg().withArgName("adminEndpoint").withLongOpt("admin-endpoint")
            .withDescription("Endpoint for admin REST").create("e"));
    options.addOption(OptionBuilder.hasArg().withArgName("outputFlow").withLongOpt("output-flow")
            .withDescription("Target to post result on").create("o"));
    options.addOption(OptionBuilder.hasArg().withArgName("hostname").withLongOpt("hostname")
            .withDescription("This hostname").create("h"));
    options.addOption(OptionBuilder.withLongOpt("displayDot").withDescription("Display Dot").create("d"));
    options.addOption(OptionBuilder.hasArg().withArgName("mimeType").withLongOpt("mime-type")
            .withDescription("Valid MIME type").create("m"));
    options.addOption(OptionBuilder.hasArg().withArgName("allowedAdmin").withLongOpt("allowedAdmin")
            .withDescription("Allowed admin network").create("a"));
    options.addOption(OptionBuilder.hasArg().withArgName("configFile").withLongOpt("gen-config-file")
            .withDescription("Generate JSON configuration file").create("g"));
    options.addOption(OptionBuilder.hasArg().withArgName("maxBatchSize").withLongOpt("max-batch-size")
            .withDescription("Max JSON batch (array) size").create("b"));

    CommandLineParser clParser = new BasicParser();
    CommandLine line;
    String configFile = null;
    try {
        // parse the command line argument
        line = clParser.parse(options, argv);
        if (line.hasOption("c")) {
            configFile = line.getOptionValue("c");
            config = Json.fromJson(Config.class,
                    new BufferedReader(new InputStreamReader(new FileInputStream(configFile))));
        } else {
            config = new Config();
        }
        if (line.hasOption("f")) {
            String[] fs = line.getOptionValues("f");
            // Get the first agent (Create it if needed)
            if (config.getAgents() == null || config.getAgents().size() == 0) {
                Config.Agent agent = new Config.Agent("default");
                config.addAgent(agent);
            }
            Config.Agent agent = config.getAgents().iterator().next();
            for (String f : fs) {
                agent.addFolder(new Config.Agent.Folder(f, false));
            }
        }
        if (line.hasOption("e")) {
            String e = line.getOptionValue("e");
            config.setAdminEndpoint(e);
        }
        if (line.hasOption("o")) {
            String[] es = line.getOptionValues("o");
            if (config.getAgents() != null) {
                for (Agent agent : config.getAgents()) {
                    for (String s : es) {
                        agent.addOuputFlow(s);
                    }
                }
            }
        }
        if (line.hasOption("h")) {
            String e = line.getOptionValue("h");
            config.setHostname(e);
        }
        if (line.hasOption("x")) {
            if (config.getAgents() != null) {
                for (Agent agent : config.getAgents()) {
                    if (agent.getFolders() != null) {
                        for (Folder folder : agent.getFolders()) {
                            String[] exs = line.getOptionValues("x");
                            for (String ex : exs) {
                                folder.addExcludedPath(ex);
                            }
                        }
                    }
                }
            }
        }
        if (line.hasOption("m")) {
            if (config.getAgents() != null) {
                for (Agent agent : config.getAgents()) {
                    String[] exs = line.getOptionValues("m");
                    for (String ex : exs) {
                        agent.addLogMimeType(ex);
                    }
                }
            }
        }
        if (line.hasOption("a")) {
            String[] exs = line.getOptionValues("a");
            for (String ex : exs) {
                config.addAdminAllowedNetwork(ex);
            }
        }
        if (line.hasOption("d")) {
            config.setDisplayDot(true);
        }
        if (line.hasOption("b")) {
            Integer i = getIntegerParameter(line, "b");
            if (config.getAgents() != null) {
                for (Agent agent : config.getAgents()) {
                    agent.setOutputMaxBatchSize(i);
                }
            }
        }
        config.setDefault();
        if (line.hasOption("g")) {
            String fileName = line.getOptionValue("g");
            PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(fileName, false)));
            out.println(Json.toJson(config, true));
            out.flush();
            out.close();
            System.exit(0);
        }
    } catch (ParseException exp) {
        // oops, something went wrong
        usage(options, exp.getMessage());
        return;
    }

    try {
        // Check config
        if (config.getAgents() == null || config.getAgents().size() < 1) {
            throw new ConfigurationException("At least one folder to monitor must be provided!");
        }
        Map<String, AgentHandler> agentHandlerByName = new HashMap<String, AgentHandler>();
        for (Config.Agent agent : config.getAgents()) {
            agentHandlerByName.put(agent.getName(), new AgentHandler(agent));
        }
        if (!Utils.isNullOrEmpty(config.getAdminEndpoint())) {
            new AdminServer(config, agentHandlerByName);
        }
    } catch (ConfigurationException e) {
        log.error(e.toString());
        System.exit(1);
    } catch (Throwable t) {
        log.error("Error in main", t);
        System.exit(2);
    }
}

---

From source file:CopyLines.java

public static void main(String[] args) throws IOException {
    BufferedReader inputStream = null;
    PrintWriter outputStream = null;

    try {/*from  w  ww. j a  v a2 s  .  c om*/
        inputStream = new BufferedReader(new FileReader("xanadu.txt"));
        outputStream = new PrintWriter(new FileWriter("characteroutput.txt"));

        String l;
        while ((l = inputStream.readLine()) != null) {
            outputStream.println(l);
        }
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
        if (outputStream != null) {
            outputStream.close();
        }
    }
}

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From source file:NewFingerServer.java

public static void main(String[] arguments) throws Exception {
    ServerSocketChannel sockChannel = ServerSocketChannel.open();
    sockChannel.configureBlocking(false);

    InetSocketAddress server = new InetSocketAddress("localhost", 79);
    ServerSocket socket = sockChannel.socket();
    socket.bind(server);//from w  ww  .  j a  va  2  s . c om

    Selector selector = Selector.open();
    sockChannel.register(selector, SelectionKey.OP_ACCEPT);

    while (true) {
        selector.select();
        Set keys = selector.selectedKeys();
        Iterator it = keys.iterator();
        while (it.hasNext()) {
            SelectionKey selKey = (SelectionKey) it.next();
            it.remove();
            if (selKey.isAcceptable()) {
                ServerSocketChannel selChannel = (ServerSocketChannel) selKey.channel();
                ServerSocket selSocket = selChannel.socket();
                Socket connection = selSocket.accept();

                InputStreamReader isr = new InputStreamReader(connection.getInputStream());
                BufferedReader is = new BufferedReader(isr);
                PrintWriter pw = new PrintWriter(new BufferedOutputStream(connection.getOutputStream()), false);
                pw.println("NIO Finger Server");
                pw.flush();
                String outLine = null;
                String inLine = is.readLine();
                if (inLine.length() > 0) {
                    outLine = inLine;
                }
                readPlan(outLine, pw);
                pw.flush();
                pw.close();
                is.close();

                connection.close();
            }
        }
    }
}

---

From source file:BookRank.java

/** Grab the sales rank off the web page and log it. */
public static void main(String[] args) throws Exception {

    Properties p = new Properties();
    String title = p.getProperty("title", "NO TITLE IN PROPERTIES");
    // The url must have the "isbn=" at the very end, or otherwise
    // be amenable to being string-catted to, like the default.
    String url = p.getProperty("url", "http://test.ing/test.cgi?isbn=");
    // The 10-digit ISBN for the book.
    String isbn = p.getProperty("isbn", "0000000000");
    // The RE pattern (MUST have ONE capture group for the number)
    String pattern = p.getProperty("pattern", "Rank: (\\d+)");

    // Looking for something like this in the input:
    //    <b>QuickBookShop.web Sales Rank: </b>
    //    26,252/* w  w w  .jav a 2s. c o  m*/
    //    </font><br>

    Pattern r = Pattern.compile(pattern);

    // Open the URL and get a Reader from it.
    BufferedReader is = new BufferedReader(new InputStreamReader(new URL(url + isbn).openStream()));
    // Read the URL looking for the rank information, as
    // a single long string, so can match RE across multi-lines.
    String input = "input from console";
    // System.out.println(input);

    // If found, append to sales data file.
    Matcher m = r.matcher(input);
    if (m.find()) {
        PrintWriter pw = new PrintWriter(new FileWriter(DATA_FILE, true));
        String date = // `date +'%m %d %H %M %S %Y'`;
                new SimpleDateFormat("MM dd hh mm ss yyyy ").format(new Date());
        // Paren 1 is the digits (and maybe ','s) that matched; remove comma
        Matcher noComma = Pattern.compile(",").matcher(m.group(1));
        pw.println(date + noComma.replaceAll(""));
        pw.close();
    } else {
        System.err.println("WARNING: pattern `" + pattern + "' did not match in `" + url + isbn + "'!");
    }

    // Whether current data found or not, draw the graph, using
    // external plotting program against all historical data.
    // Could use gnuplot, R, any other math/graph program.
    // Better yet: use one of the Java plotting APIs.

    String gnuplot_cmd = "set term png\n" + "set output \"" + GRAPH_FILE + "\"\n" + "set xdata time\n"
            + "set ylabel \"Book sales rank\"\n" + "set bmargin 3\n" + "set logscale y\n"
            + "set yrange [1:60000] reverse\n" + "set timefmt \"%m %d %H %M %S %Y\"\n" + "plot \"" + DATA_FILE
            + "\" using 1:7 title \"" + title + "\" with lines\n";

    Process proc = Runtime.getRuntime().exec("/usr/local/bin/gnuplot");
    PrintWriter gp = new PrintWriter(proc.getOutputStream());
    gp.print(gnuplot_cmd);
    gp.close();
}

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