Example usage for java.io BufferedReader BufferedReader

List of usage examples for java.io BufferedReader BufferedReader

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Introduction

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

Prototype

public BufferedReader(Reader in)

Source Link

Document

Creates a buffering character-input stream that uses a default-sized input buffer.

Usage

From source file:com.mycompany.test.Jaroop.java

/**
 * This is the main program which will receive the request, calls required methods
 * and processes the response./*ww  w.ja va  2  s.c  o  m*/
 * @param args
 * @throws IOException
 */
public static void main(String[] args) throws IOException {
    Scanner scannedInput = new Scanner(System.in);
    String in = "";
    if (args.length == 0) {
        System.out.println("Enter the query");
        in = scannedInput.nextLine();
    } else {
        in = args[0];
    }
    in = in.toLowerCase().replaceAll("\\s+", "_");
    int httpStatus = checkInvalidInput(in);
    if (httpStatus == 0) {
        System.out.print("Not found");
        System.exit(0);
    }
    String url = "https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro=&explaintext=&titles="
            + in;
    HttpURLConnection connection = getConnection(url);
    BufferedReader input = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String request = "";
    StringBuilder response = new StringBuilder();
    while ((request = input.readLine()) != null) {
        //only appending what ever is required for JSON parsing and ignoring the rest
        response.append("{");
        //appending the key "extract" to the string so that the JSON parser can parse it's value,
        //also we don't need last 3 paranthesis in the response, excluding them as well.
        response.append(request.substring(request.indexOf("\"extract"), request.length() - 3));
    }
    parseJSON(response.toString());
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    try {/*ww w .ja va  2 s .com*/
        String url = "jdbc:odbc:yourdatabasename";
        String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
        String user = "guest";
        String password = "guest";

        FileInputStream fis = new FileInputStream("sometextfile.txt");

        Class.forName(driver);
        Connection connection = DriverManager.getConnection(url, user, password);
        Statement createTable = connection.createStatement();
        createTable.executeUpdate("CREATE TABLE source_code (name char(20), source LONGTEXT)");
        String ins = "INSERT INTO source_code VALUES(?,?)";
        PreparedStatement statement = connection.prepareStatement(ins);

        statement.setString(1, "TryInputStream2");
        statement.setAsciiStream(2, fis, fis.available());

        int rowsUpdated = statement.executeUpdate();
        System.out.println("Rows affected: " + rowsUpdated);
        Statement getCode = connection.createStatement();
        ResultSet theCode = getCode.executeQuery("SELECT name,source FROM source_code");
        BufferedReader reader = null;
        String input = null;

        while (theCode.next()) {
            reader = new BufferedReader(new InputStreamReader(theCode.getAsciiStream(2)));
            while ((input = reader.readLine()) != null) {
                System.out.println(input);
            }
        }
        connection.close();
    } catch (Exception e) {
        System.err.println(e);
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    try {/*  w w  w  .  j  a  v  a2  s.c  om*/
        String url = "jdbc:odbc:yourdatabasename";
        String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
        String user = "guest";
        String password = "guest";

        FileInputStream fis = new FileInputStream("sometextfile.txt");

        Class.forName(driver);
        Connection connection = DriverManager.getConnection(url, user, password);
        Statement createTable = connection.createStatement();
        createTable.executeUpdate("CREATE TABLE source_code (name char(20), source LONGTEXT)");
        String ins = "INSERT INTO source_code VALUES(?,?)";
        PreparedStatement statement = connection.prepareStatement(ins);

        statement.setString(1, "TryInputStream2");
        statement.setAsciiStream(2, fis, fis.available());

        int rowsUpdated = statement.executeUpdate();
        System.out.println("Rows affected: " + rowsUpdated);
        Statement getCode = connection.createStatement();
        ResultSet theCode = getCode.executeQuery("SELECT name,source FROM source_code");
        BufferedReader reader = null;
        String input = null;

        while (theCode.next()) {
            reader = new BufferedReader(new InputStreamReader(theCode.getAsciiStream("source")));
            while ((input = reader.readLine()) != null) {
                System.out.println(input);
            }
        }
        connection.close();
    } catch (Exception e) {
        System.err.println(e);
    }
}

From source file:RestGetClient.java

public static void main(String[] args) throws Exception {
    DefaultHttpClient httpClient = new DefaultHttpClient();
    HttpGet getRequest = new HttpGet("http://localhost:10080/example/json/product/get");
    getRequest.addHeader("accept", "application/json");

    HttpResponse response = httpClient.execute(getRequest);

    //if (response.getStatusLine().getStatusCode() != 200) {
    //   throw new RuntimeException("Failed : HTTP error code : "
    //      + response.getStatusLine().getStatusCode());
    //}//from w ww.ja va 2 s  . com

    BufferedReader br = new BufferedReader(new InputStreamReader((response.getEntity().getContent())));

    String output;
    System.out.println("Output from Server .... \n");
    while ((output = br.readLine()) != null) {
        System.out.println(output);
    }

    httpClient.getConnectionManager().shutdown();
}

From source file:AverageCost.java

public static void main(String[] args) throws FileNotFoundException, IOException {
    //Directory of the n files
    String directory_path = "/home/gauss/rgrunitzki/Dropbox/Profissional/UFRGS/Doutorado/Artigo TRI15/SF Experiments/IQ-Learning/";
    BufferedReader reader = null;
    //Line to analyse
    String line = "";
    String csvDivisor = ";";
    int totalLines = 1002;
    int totalRows = 532;

    String filesToRead[] = new File(directory_path).list();
    Arrays.sort(filesToRead);//  w  w w  . j  a  va  2  s.c  om
    System.out.println(filesToRead.length);

    List<List<DescriptiveStatistics>> summary = new ArrayList<>();

    for (int i = 0; i <= totalLines; i++) {
        summary.add(new ArrayList<DescriptiveStatistics>());
        for (int j = 0; j <= totalRows; j++) {
            summary.get(i).add(new DescriptiveStatistics());
        }
    }

    //reads all files
    for (String file : filesToRead) {
        reader = new BufferedReader(new FileReader(directory_path + file));
        int lineCounter = 0;
        //reads all file's line
        while ((line = reader.readLine()) != null) {
            if (lineCounter > 0) {
                String[] rows = line.trim().split(csvDivisor);
                //reads all line's row
                for (int r = 0; r < rows.length; r++) {
                    summary.get(lineCounter).get(r).addValue(Double.parseDouble(rows[r]));
                }
            }
            lineCounter++;
        }

        //System.out.println(file.split("/")[file.split("/").length - 1] + csvDivisor + arithmeticMean(avgCost) + csvDivisor + standardDeviation(avgCost));
    }

    //generate mean and standard deviation;
    for (List<DescriptiveStatistics> summaryLines : summary) {
        System.out.println();
        for (DescriptiveStatistics summaryLineRow : summaryLines) {
            System.out.print(summaryLineRow.getMean() + ";" + summaryLineRow.getStandardDeviation() + ";");
        }
    }
}

From source file:com.util.finalProy.java

/**
 * @param args the command line arguments
 *///  w w w .ja v a2s  .  co  m
public static void main(String[] args) throws JSONException {
    // TODO code application logic her
    System.out.println("OBTENER SOLO UN ARRAY DE CADENA JSON");
    String myURL = "http://192.168.5.44/app_dev.php/cus/getaccount/50241109321.json";
    System.out.println("Requested URL:" + myURL);
    StringBuilder sb = new StringBuilder();
    URLConnection urlConn = null;
    InputStreamReader in = null;
    try {
        URL url = new URL(myURL);
        urlConn = url.openConnection();
        if (urlConn != null) {
            urlConn.setReadTimeout(60 * 1000);
        }
        if (urlConn != null && urlConn.getInputStream() != null) {
            in = new InputStreamReader(urlConn.getInputStream(), Charset.defaultCharset());

            BufferedReader bufferedReader = new BufferedReader(in);
            if (bufferedReader != null) {
                int cp;
                while ((cp = bufferedReader.read()) != -1) {
                    sb.append((char) cp);
                }
                bufferedReader.close();
            }
        }
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("Exception while calling URL:" + myURL, e);
    }
    String jsonResult = sb.toString();
    System.out.println(sb.toString());
    System.out.println(
            "\n\n--------------------OBTENEMOS OBJETO JSON NATIVO DE LA PAGINA, USAMOS EL ARRAY DATA---------------------------\n\n");
    JSONObject objJason = new JSONObject(jsonResult);
    JSONArray dataJson = new JSONArray();
    dataJson = objJason.getJSONArray("data");

    System.out.println("objeto normal 1 " + dataJson.toString());
    //
    //
    System.out.println(
            "\n\n--------------------CREAMOS UN STRING JSON2 REEMPLAZANDO LOS CORCHETES QUE DAN ERROR---------------------------\n\n");
    String jsonString2 = dataJson.toString();
    String temp = dataJson.toString();
    temp = jsonString2.replace("[", "");
    jsonString2 = temp.replace("]", "");
    System.out.println("new json string" + jsonString2);

    JSONObject objJson2 = new JSONObject(jsonString2);
    System.out.println("el objeto simple json es " + objJson2.toString());

    System.out.println(
            "\n\n--------------------CREAMOS UN OBJETO JSON CON EL ARRAR ACCOUN---------------------------\n\n");

    String account1 = objJson2.optString("account");
    System.out.println(account1);
    JSONObject objJson3 = new JSONObject(account1);
    System.out.println("el ULTIMO OBJETO SIMPLE ES  " + objJson3.toString());
    System.out.println(
            "\n\n--------------------EMPEZAMOS A RECIBIR LOS PARAMETROS QUE HAY EN EL OBJETO JSON---------------------------\n\n");
    String firstName = objJson3.getString("first_name");
    System.out.println(firstName);
    System.out.println(objJson3.get("id"));
    System.out.println(
            "\n\n--------------------TRATAMOS DE PASAR TODO EL ACCOUNT A OBJETO JAVA---------------------------\n\n");
    Gson gson = new Gson();
    Account account = gson.fromJson(objJson3.toString(), Account.class);
    System.out.println(account.getFirst_name());
    System.out.println(account.getCreation());
}

From source file:com.rest.samples.getTipoCambioBanxico.java

public static void main(String[] args) {
    String url = "http://www.banxico.org.mx/tipcamb/llenarTiposCambioAction.do?idioma=sp";
    try {/*from  ww w .  j  a va2 s .  c  o  m*/
        HttpClient hc = HttpClientBuilder.create().build();
        HttpGet request = new HttpGet(url);
        request.setHeader("User-Agent", "Mozilla/5.0");
        request.setHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");

        HttpResponse res = hc.execute(request);
        if (res.getStatusLine().getStatusCode() != 200) {
            throw new RuntimeException("Failed : HTTP eror code: " + res.getStatusLine().getStatusCode());
        }

        BufferedReader rd = new BufferedReader(new InputStreamReader(res.getEntity().getContent()));
        StringBuffer result = new StringBuffer();
        String line = "";
        while ((line = rd.readLine()) != null) {
            result.append(line);
        }
        Document doc = Jsoup.parse(result.toString());
        Element tipoCambioFix = doc.getElementById("FIX_DATO");
        System.out.println(tipoCambioFix.text());

    } catch (IOException ex) {
        Logger.getLogger(SamplesUseHttpclient.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.aj.hangman.HangmanReq.java

public static void main(String[] args) {
    HangmanDict dictionary = new HangmanDict();

    try {/*from  w ww  . j a  v a  2 s  . com*/
        BufferedReader input = new BufferedReader(new InputStreamReader(
                new URL("http://gallows.hulu.com/play?code=gudehosa@usc.edu").openStream()));
        String info = input.readLine();
        JSONParser parser = new JSONParser();

        Object obj;
        try {
            obj = parser.parse(info);
            JSONObject retJson = (JSONObject) obj;

            TOKEN = (String) retJson.get("token");
            STATUS = (String) retJson.get("status");
            STATE = (String) retJson.get("state");
            REM = (Long) retJson.get("remaining_guesses");
            PREM = REM;
            System.out.println("State:: " + STATE);
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        while ("ALIVE".equalsIgnoreCase(STATUS)) {
            // call make guess function, returns character
            guess = dictionary.makeGuess(STATE);
            System.out.println("Guessed:: " + guess);
            // call the url to update
            BufferedReader reInput = new BufferedReader(
                    new InputStreamReader(new URL("http://gallows.hulu.com/play?code=gudehosa@usc.edu"
                            + String.format("&token=%s&guess=%s", TOKEN, guess)).openStream()));

            // parse the url to get the updated value
            String reInfo = reInput.readLine();
            JSONParser reParser = new JSONParser();

            Object retObj = reParser.parse(reInfo);
            JSONObject retJson = (JSONObject) retObj;

            STATUS = (String) retJson.get("status");
            STATE = (String) retJson.get("state");
            REM = (Long) retJson.get("remaining_guesses");
            System.out.println("State:: " + STATE);
        }

        if ("DEAD".equalsIgnoreCase(STATUS)) {
            // print lost
            System.out.println("You LOOSE: DEAD");
        } else if ("FREE".equalsIgnoreCase(STATUS)) {
            // print free
            System.out.println("You WIN: FREE");
        }

    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:StreamTaggerDemo.java

public static void main(String args[]) {
    try {//from w w  w . j a v  a2  s.  c o  m
        System.setProperty("sen.home", "../Sen1221/senhome-ipadic");
        System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
        System.setProperty("org.apache.commons.logging.simplelog.defaultlog", "FATAL");

        if (args.length != 2) {
            System.err.println("usage: java StreamTaggerDemo <filename> <encoding>");
            System.exit(1);
        }
        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(args[0]), args[1]));
        // String confPath = System.getProperty("sen.home")
        // + System.getProperty("file.separator") + "conf/sen.xml";
        // StreamTagger tagger = new StreamTagger((Reader) br, confPath);
        StreamTagger tagger = new StreamTagger((Reader) br);

        // BufferedReader is = new BufferedReader(System.in);

        while (tagger.hasNext()) {
            Token token = tagger.next();
            System.out.println(token.toString() + "\t(" + token.getBasicString() + ")" + "\t" + token.getPos()
                    + "(" + token.start() + "," + token.end() + "," + token.length() + ")\t"
                    + token.getReading() + "\t" + token.getPronunciation());
        }

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

From source file:com.linkedin.pinot.broker.broker.BrokerServerBuilderTest.java

public static void main(String[] args) throws Exception {
    PropertiesConfiguration config = new PropertiesConfiguration(
            new File(BrokerServerBuilderTest.class.getClassLoader().getResource("broker.properties").toURI()));
    final BrokerServerBuilder bld = new BrokerServerBuilder(config, null, null, null);
    bld.buildNetwork();//  www.  ja va2  s  .co m
    bld.buildHTTP();
    bld.start();

    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            try {
                bld.stop();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    });

    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    while (true) {
        String command = br.readLine();
        if (command.equals("exit")) {
            bld.stop();
        }
    }

}