Example usage for java.io InputStreamReader InputStreamReader

Introduction

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

Prototype

public InputStreamReader(InputStream in) 

Source Link

Document

Creates an InputStreamReader that uses the default charset.

Usage

From source file:Main.java

public static boolean hasRoot() {
    char[] arrayOfChar = new char[1024];
    try {//from w w w.ja  va 2s .co m
        int j = new InputStreamReader(Runtime.getRuntime().exec("su -c ls").getErrorStream()).read(arrayOfChar);
        if (j == -1) {
            return true;
        }
    } catch (IOException e) {
    }
    return false;
}

---

From source file:Main.java

private static String readStream(InputStream in) throws IOException {
    StringBuilder sb = new StringBuilder();
    BufferedReader r = new BufferedReader(new InputStreamReader(in), 1024);
    for (String line = r.readLine(); line != null; line = r.readLine()) {
        sb.append(line);/*from   w  w w  .j  av a 2s  .  com*/
    }
    in.close();
    return sb.toString();
}

---

From source file:Main.java

public static String getString(InputStream in) throws IOException {

    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
    StringBuilder builder = new StringBuilder();
    String line;/*from  ww w . ja va 2  s.c o m*/
    while ((line = reader.readLine()) != null) {
        builder.append(line);
        builder.append(System.getProperty("line.separator"));
    }
    return builder.toString();
}

---

From source file:Main.java

public static String readFile(File f) {
    try {//from  www.j a v a 2 s .co  m
        FileInputStream fstream = new FileInputStream(f);
        InputStreamReader in = new InputStreamReader(fstream);
        BufferedReader br = new BufferedReader(in);
        String strLine;
        StringBuilder sb = new StringBuilder();
        while ((strLine = br.readLine()) != null) {
            sb.append(strLine);
            sb.append('\n');
        }
        br.close();
        in.close();
        fstream.close();
        return sb.toString();
    } catch (Exception ex) {
        return "";
    }
}

---

From source file:Main.java

private static String convertStreamToString(InputStream is) {
    BufferedReader reader = new BufferedReader(new InputStreamReader(is));
    StringBuilder sb = new StringBuilder();

    String line = null;//from  w w  w  .j  a va  2  s  .co  m
    try {
        while ((line = reader.readLine()) != null) {
            sb.append(line);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return sb.toString();
}

---

From source file:Main.java

public static String streamToString(InputStream stream) {
    InputStreamReader reader = new InputStreamReader(stream);
    StringBuilder sb = new StringBuilder();
    char[] buf = new char[256];
    try {//from   w  w w  .ja va  2s . c o  m
        while (reader.read(buf) != -1) {
            sb.append(buf);
        }
    } catch (IOException e) {
        // Darn
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
        }
    }
    return sb.toString();
}

---

From source file:Main.java

public static String readTextFromSDcard(InputStream is) throws Exception {
    InputStreamReader reader = new InputStreamReader(is);
    BufferedReader bufferedReader = new BufferedReader(reader);
    StringBuffer buffer = new StringBuffer("");
    String str;//from  ww w.j a v  a  2  s.  c  o m
    while ((str = bufferedReader.readLine()) != null) {
        buffer.append(str);
        buffer.append("\n");
    }
    return buffer.toString();
}

---

From source file:it.unipd.dei.ims.falcon.CmdLine.java

public static void main(String[] args) {

    // last argument is always index path
    Options options = new Options();
    // one of these actions has to be specified
    OptionGroup actionGroup = new OptionGroup();
    actionGroup.addOption(new Option("i", true, "perform indexing")); // if dir, all files, else only one file
    actionGroup.addOption(new Option("q", true, "perform a single query"));
    actionGroup.addOption(new Option("b", false, "perform a query batch (read from stdin)"));
    actionGroup.setRequired(true);/*  w ww. ja  v a  2 s. co  m*/
    options.addOptionGroup(actionGroup);

    // other options
    options.addOption(new Option("l", "segment-length", true, "length of a segment (# of chroma vectors)"));
    options.addOption(
            new Option("o", "segment-overlap", true, "overlap portion of a segment (# of chroma vectors)"));
    options.addOption(new Option("Q", "quantization-level", true, "quantization level for chroma vectors"));
    options.addOption(new Option("k", "min-kurtosis", true, "minimum kurtosis for indexing chroma vectors"));
    options.addOption(new Option("s", "sub-sampling", true, "sub-sampling of chroma features"));
    options.addOption(new Option("v", "verbose", false, "verbose output (including timing info)"));
    options.addOption(new Option("T", "transposition-estimator-strategy", true,
            "parametrization for the transposition estimator strategy"));
    options.addOption(new Option("t", "n-transp", true,
            "number of transposition; if not specified, no transposition is performed"));
    options.addOption(new Option("f", "force-transp", true, "force transposition by an amount of semitones"));
    options.addOption(new Option("p", "pruning", false,
            "enable query pruning; if -P is unspecified, use default strategy"));
    options.addOption(new Option("P", "pruning-custom", true, "custom query pruning strategy"));

    // parse
    HelpFormatter formatter = new HelpFormatter();
    CommandLineParser parser = new PosixParser();
    CommandLine cmd = null;
    try {
        cmd = parser.parse(options, args);
        if (cmd.getArgs().length != 1)
            throw new ParseException("no index path was specified");
    } catch (ParseException ex) {
        System.err.println("ERROR - parsing command line:");
        System.err.println(ex.getMessage());
        formatter.printHelp("falcon -{i,q,b} [options] index_path", options);
        return;
    }

    // default values
    final float[] DEFAULT_TRANSPOSITION_ESTIMATOR_STRATEGY = new float[] { 0.65192807f, 0.0f, 0.0f, 0.0f,
            0.3532628f, 0.4997167f, 0.0f, 0.41703504f, 0.0f, 0.16297342f, 0.0f, 0.0f };
    final String DEFAULT_QUERY_PRUNING_STRATEGY = "ntf:0.340765*[0.001694,0.995720];ndf:0.344143*[0.007224,0.997113];"
            + "ncf:0.338766*[0.001601,0.995038];nmf:0.331577*[0.002352,0.997884];"; // TODO not the final one

    int hashes_per_segment = Integer.parseInt(cmd.getOptionValue("l", "150"));
    int overlap_per_segment = Integer.parseInt(cmd.getOptionValue("o", "50"));
    int nranks = Integer.parseInt(cmd.getOptionValue("Q", "3"));
    int subsampling = Integer.parseInt(cmd.getOptionValue("s", "1"));
    double minkurtosis = Float.parseFloat(cmd.getOptionValue("k", "-100."));
    boolean verbose = cmd.hasOption("v");
    int ntransp = Integer.parseInt(cmd.getOptionValue("t", "1"));
    TranspositionEstimator tpe = null;
    if (cmd.hasOption("t")) {
        if (cmd.hasOption("T")) {
            // TODO this if branch is yet to test
            Pattern p = Pattern.compile("\\d\\.\\d*");
            LinkedList<Double> tokens = new LinkedList<Double>();
            Matcher m = p.matcher(cmd.getOptionValue("T"));
            while (m.find())
                tokens.addLast(new Double(cmd.getOptionValue("T").substring(m.start(), m.end())));
            float[] strategy = new float[tokens.size()];
            if (strategy.length != 12) {
                System.err.println("invalid transposition estimator strategy");
                System.exit(1);
            }
            for (int i = 0; i < strategy.length; i++)
                strategy[i] = new Float(tokens.pollFirst());
        } else {
            tpe = new TranspositionEstimator(DEFAULT_TRANSPOSITION_ESTIMATOR_STRATEGY);
        }
    } else if (cmd.hasOption("f")) {
        int[] transps = parseIntArray(cmd.getOptionValue("f"));
        tpe = new ForcedTranspositionEstimator(transps);
        ntransp = transps.length;
    }
    QueryPruningStrategy qpe = null;
    if (cmd.hasOption("p")) {
        if (cmd.hasOption("P")) {
            qpe = new StaticQueryPruningStrategy(cmd.getOptionValue("P"));
        } else {
            qpe = new StaticQueryPruningStrategy(DEFAULT_QUERY_PRUNING_STRATEGY);
        }
    }

    // action
    if (cmd.hasOption("i")) {
        try {
            Indexing.index(new File(cmd.getOptionValue("i")), new File(cmd.getArgs()[0]), hashes_per_segment,
                    overlap_per_segment, subsampling, nranks, minkurtosis, tpe, verbose);
        } catch (IndexingException ex) {
            Logger.getLogger(CmdLine.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(CmdLine.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    if (cmd.hasOption("q")) {
        String queryfilepath = cmd.getOptionValue("q");
        doQuery(cmd, queryfilepath, hashes_per_segment, overlap_per_segment, nranks, subsampling, tpe, ntransp,
                minkurtosis, qpe, verbose);
    }
    if (cmd.hasOption("b")) {
        try {
            long starttime = System.currentTimeMillis();
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            String line = null;
            while ((line = in.readLine()) != null && !line.trim().isEmpty())
                doQuery(cmd, line, hashes_per_segment, overlap_per_segment, nranks, subsampling, tpe, ntransp,
                        minkurtosis, qpe, verbose);
            in.close();
            long endtime = System.currentTimeMillis();
            System.out.println(String.format("total time: %ds", (endtime - starttime) / 1000));
        } catch (IOException ex) {
            Logger.getLogger(CmdLine.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

---

From source file:Main.java

public static String inputStreamToString(InputStream in_temp) throws Exception {
    BufferedReader in = new BufferedReader(new InputStreamReader(in_temp));
    StringBuffer buffer = new StringBuffer();
    String line = "";
    while ((line = in.readLine()) != null) {
        buffer.append(line);/*from ww w  .  j  a  va  2s .com*/
    }
    return buffer.toString();
}

---

From source file:Main.java

public static String convertStreamToString(InputStream is) throws Exception {
    BufferedReader reader = new BufferedReader(new InputStreamReader(is));
    StringBuilder sb = new StringBuilder();
    String line = null;// w ww  . j ava  2 s. c  o m
    while ((line = reader.readLine()) != null) {
        sb.append(line).append("\n");
    }
    reader.close();
    return sb.toString();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• »