Example usage for java.io PrintStream close

List of usage examples for java.io PrintStream close

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Introduction

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

Prototype

public void close()

Source Link

Document

Closes the stream.

Usage

From source file:playground.christoph.evacuation.analysis.AgentsInEvacuationAreaActivityWriter.java

/**
 * Writes the gathered data tab-separated into a text file.
 *
 * @param filename The name of a file where to write the gathered data.
 *///from   ww w.ja  v  a2s  . com
public void write(final String filename, int[] activities, int[] activitiesParticipatingAtHome,
        int[] activitiesParticipatingNotAtHome, int[] activitiesNotParticipatingAtHome,
        int[] activitiesNotParticipatingNotAtHome) {
    PrintStream stream;
    try {
        stream = new PrintStream(new File(filename));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
        return;
    }
    write(stream, activities, activitiesParticipatingAtHome, activitiesParticipatingNotAtHome,
            activitiesNotParticipatingAtHome, activitiesNotParticipatingNotAtHome);
    stream.close();
}

From source file:org.apache.pig.test.TestFilterOpNumeric.java

@Test
public void testNumericEq() throws Throwable {
    File tmpFile = File.createTempFile("test", "txt");
    PrintStream ps = new PrintStream(new FileOutputStream(tmpFile));
    for (int i = 0; i < LOOP_COUNT; i++) {
        if (i % 5 == 0) {
            ps.println(i + ":" + (double) i);
        } else {/*ww  w . j av a2 s  .  c  o  m*/
            ps.println(i + ":" + (i - 1));
        }
    }
    ps.close();
    pig.registerQuery("A=load '" + Util.encodeEscape(Util.generateURI(tmpFile.toString(), pig.getPigContext()))
            + "' using " + PigStorage.class.getName() + "(':');");
    String query = "A = filter A by ($0 == $1 and $0 <= $1);";
    log.info(query);
    pig.registerQuery(query);
    Iterator<Tuple> it = pig.openIterator("A");
    tmpFile.delete();
    while (it.hasNext()) {
        Tuple t = it.next();
        Double first = Double.valueOf(t.get(0).toString());
        Double second = Double.valueOf(t.get(1).toString());
        assertEquals(first, second);

        String sfirst = t.get(0).toString();
        String ssecond = t.get(1).toString();
        assertFalse(sfirst.equals(ssecond));
    }
}

From source file:org.apache.hadoop.hdfs.tools.TestGetConf.java

private String runTool(HdfsConfiguration conf, String[] args, boolean success) throws Exception {
    ByteArrayOutputStream o = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(o, true);
    try {/*  www.  j  av a  2 s.  c om*/
        int ret = ToolRunner.run(new GetConf(conf, out, out), args);
        assertEquals(success, ret == 0);
        return o.toString();
    } finally {
        o.close();
        out.close();
    }
}

From source file:org.apache.mahout.classifier.ConfusionMatrixDumper.java

@Override
public int run(String[] args) throws IOException {
    addInputOption();/* www.  jav  a 2s . c o m*/
    addOption("output", "o", "Output path", null); // AbstractJob output feature requires param
    addOption(DefaultOptionCreator.overwriteOption().create());
    addFlag("html", null, "Create complete HTML page");
    addFlag("text", null, "Dump simple text");
    Map<String, List<String>> parsedArgs = parseArguments(args);
    if (parsedArgs == null) {
        return -1;
    }

    Path inputPath = getInputPath();
    String outputFile = hasOption("output") ? getOption("output") : null;
    boolean text = parsedArgs.containsKey("--text");
    boolean wrapHtml = parsedArgs.containsKey("--html");
    PrintStream out = getPrintStream(outputFile);
    if (text) {
        exportText(inputPath, out);
    } else {
        exportTable(inputPath, out, wrapHtml);
    }
    out.flush();
    if (out != System.out) {
        out.close();
    }
    return 0;
}

From source file:org.apache.pig.test.TestFilterOpNumeric.java

@Test
public void testNumericGt() throws Throwable {
    File tmpFile = File.createTempFile("test", "txt");
    PrintStream ps = new PrintStream(new FileOutputStream(tmpFile));
    for (int i = 0; i < LOOP_COUNT; i++) {
        if (i % 5 == 0) {
            ps.println(i + ":" + (double) i);
        } else {/*from w  ww.ja  v a 2s .  co m*/
            ps.println(i + 1 + ":" + (double) (i));
        }
    }
    ps.close();
    pig.registerQuery("A=load '" + Util.encodeEscape(Util.generateURI(tmpFile.toString(), pig.getPigContext()))
            + "' using " + PigStorage.class.getName() + "(':') as (f1: double, f2:double);");
    String query = "A = filter A by ($0 > $1 and $0 >= $1);";

    log.info(query);
    pig.registerQuery(query);
    Iterator<Tuple> it = pig.openIterator("A");
    tmpFile.delete();
    while (it.hasNext()) {
        Tuple t = it.next();
        Double first = Double.valueOf(t.get(0).toString());
        Double second = Double.valueOf(t.get(1).toString());
        assertTrue(first.compareTo(second) > 0);
    }
}

From source file:org.apache.pig.test.TestFilterOpNumeric.java

@Test
public void testNumericLt() throws Throwable {
    File tmpFile = File.createTempFile("test", "txt");
    PrintStream ps = new PrintStream(new FileOutputStream(tmpFile));
    for (int i = 0; i < LOOP_COUNT; i++) {
        if (i % 5 == 0) {
            ps.println(i + ":" + (double) i);
        } else {//w ww  . j a  v a  2s . c  o  m
            ps.println(i + ":" + (double) (i + 1));
        }
    }
    ps.close();
    pig.registerQuery("A=load '" + Util.encodeEscape(Util.generateURI(tmpFile.toString(), pig.getPigContext()))
            + "' using " + PigStorage.class.getName() + "(':') as (a: double, b:double);");
    String query = "A = filter A by ($0 <= $1 and $0 < $1);";

    log.info(query);
    pig.registerQuery(query);
    Iterator<Tuple> it = pig.openIterator("A");
    tmpFile.delete();
    while (it.hasNext()) {
        Tuple t = it.next();
        Double first = Double.valueOf(t.get(0).toString());
        Double second = Double.valueOf(t.get(1).toString());
        assertTrue(first.compareTo(second) < 0);
    }

}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

/**
 * Registers a passed in User and returns that user with an assigned UserID
 *
 * @param registerMe/*w  ww .ja  v  a2  s .  co m*/
 * @param password
 * @return the passed-in user with an assigned ID by the server
 * @throws Exception
 */
public static User register(User registerMe, String password) throws Exception {
    // Server URL setup
    String _url = getBaseUri().build().toString();

    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    addRequestHeader(conn, true);

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    password = Utilities.computeHash(password);
    // Build JSON Object
    jgen.writeStartObject();
    jgen.writeStringField(Keys.User.NAME, registerMe.getDisplayName());
    jgen.writeStringField("password", password);
    jgen.writeStringField(Keys.User.EMAIL, registerMe.getEmail());
    jgen.writeStringField(Keys.User.PHONE, registerMe.getPhone());
    jgen.writeStringField(Keys.User.COMPANY, registerMe.getCompany());
    jgen.writeStringField(Keys.User.TITLE, registerMe.getTitle());
    jgen.writeStringField(Keys.User.LOCATION, registerMe.getLocation());
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    User createUser = new User(registerMe);

    /*
     * result should get valid={"userID":"##"}
     */
    String result = "";
    if (!response.isEmpty()) {
        JsonNode tree = MAPPER.readTree(response);
        if (!tree.has(Keys.User.ID)) {

            result = "duplicate email or username";
        } else {
            result = tree.get(Keys.User.ID).asText();
            createUser.setID(result);
        }
    }

    conn.disconnect();
    return createUser;
}

From source file:de.indiplex.javapt.JavAPT.java

public void removeSource(String source) throws FileNotFoundException {
    if (source.contains("apt.saurik.com")) {
        System.out.println("You cannot remove sauriks source!");
        return;//from w  w w  . j  a va  2  s . com
    }
    if (sourcesURLs.contains(source)) {
        sourcesURLs.remove(source);
        PrintStream pw = new PrintStream(fSources);
        for (String s : sourcesURLs) {
            pw.println(s);
        }
        pw.close();
        if (isGUI()) {
            mf.fillSources(sourcesURLs);
        }
    }
}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static User update(String userID, Map<String, String> key_values)
        throws JsonGenerationException, IOException, InterruptedException {
    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);

    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    for (String key : key_values.keySet()) {
        if (key.equals(Keys.User.EMAIL) && !Utilities.isValidEmailAddress(key_values.get(Keys.User.EMAIL)))
            throw new IOException("Error : [Update User] Incorrect email format");
        else {//from   w w  w .  ja v a  2  s . co  m
            jgen.flush();
            // Build JSON Object
            jgen.writeStartObject();
            jgen.writeStringField(Keys.User.ID, userID);
            jgen.writeStringField("field", key);
            jgen.writeStringField("value", key_values.get(key));
            jgen.writeEndObject();
            jgen.writeRaw("\f");
        }
    }

    jgen.close();
    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();
    String[] payloads = payload.split("\f\\s*");

    Thread t = new Thread(new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.getLocalizedMessage();
            }
        }
    }));
    String response = "";
    for (String p : payloads) {
        t.run();
        response = updateHelper(p);
    }
    return parseUser(MAPPER.readTree(response));
}

From source file:com.act.lcms.plotter.WriteAndPlotMS1Results.java

public void plotScan(List<MS1.YZ> scan, String outPrefix, String fmt) throws IOException {
    String outPDF = outPrefix + "." + fmt;
    String outDATA = outPrefix + ".data";

    // Write data output to outfile
    PrintStream out = new PrintStream(new FileOutputStream(outDATA));

    // print out the spectra to outDATA
    for (MS1.YZ yz : scan) {
        out.format("%.4f\t%.4f\n", yz.getMZ(), yz.getIntensity());
        out.flush();//w ww . java2  s .  c  om
    }

    // close the .data
    out.close();

    // render outDATA to outPDF using gnuplot
    new Gnuplotter().plot2DImpulsesWithLabels(outDATA, outPDF, new String[] { "mz distribution at TIC max" },
            null, "mz", null, "intensity", fmt);
}