Example usage for java.util Scanner nextLine

Introduction

In this page you can find the example usage for java.util Scanner nextLine.

Prototype

public String nextLine() 

Source Link

Document

Advances this scanner past the current line and returns the input that was skipped.

Usage

From source file:com.wsc.myexample.decisionForest.MyTestForest.java

private void testFile(String inPath, String outPath, DataConverter converter, MyDecisionForest forest,
        Dataset dataset, /*List<double[]> results,*/ Random rng, ResultAnalyzer analyzer) throws IOException {
    // create the predictions file
    DataOutputStream ofile = null;

    if (outPath != null) {
        ofile = new DataOutputStream(new FileOutputStream(outPath));
    }//from  w w  w  .  ja va 2s.com

    DataInputStream input = new DataInputStream(new FileInputStream(inPath));
    try {
        Scanner scanner = new Scanner(input);

        while (scanner.hasNextLine()) {
            String line = scanner.nextLine();
            if (line.isEmpty()) {
                continue; // skip empty lines
            }

            Instance instance = converter.convert(line);
            if (instance == null)
                continue;

            double prediction = forest.classify(dataset, rng, instance);

            if (ofile != null) {
                ofile.writeChars(Double.toString(prediction)); // write the prediction
                ofile.writeChar('\n');
            }

            //        results.add(new double[] {dataset.getLabel(instance), prediction});

            analyzer.addInstance(dataset.getLabelString(dataset.getLabel(instance)),
                    new ClassifierResult(dataset.getLabelString(prediction), 1.0));
        }

        scanner.close();
    } finally {
        Closeables.closeQuietly(input);
        ofile.close();
    }
}

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From source file:ca.ualberta.cs.expenseclaim.dao.ExpenseClaimDao.java

private ExpenseClaimDao(Context context) {
    claimList = new ArrayList<ExpenseClaim>();
    File file = new File(context.getFilesDir(), FILENAME);
    Scanner scanner = null;
    try {//ww w.  jav  a  2  s  .  com
        scanner = new Scanner(file);
        while (scanner.hasNextLine()) {
            JSONObject jo = new JSONObject(scanner.nextLine());
            ExpenseClaim claim = new ExpenseClaim();
            claim.setId(jo.getInt("id"));
            claim.setName(jo.getString("name"));
            claim.setDescription(jo.getString("description"));
            claim.setStartDate(new Date(jo.getLong("startDate")));
            claim.setEndDate(new Date(jo.getLong("endDate")));
            claim.setStatus(jo.getString("status"));
            if (maxId < claim.getId()) {
                maxId = claim.getId();
            }
            claimList.add(claim);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (scanner != null) {
            scanner.close();
        }
    }
    maxId++;
}

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From source file:com.github.matthesrieke.simplebroker.SimpleBrokerServlet.java

protected String readContent(HttpServletRequest req) throws IOException {
    String enc = req.getCharacterEncoding();
    Scanner sc = new Scanner(req.getInputStream(), enc == null ? "utf-8" : enc);
    StringBuilder sb = new StringBuilder();

    while (sc.hasNext()) {
        sb.append(sc.nextLine());
    }//from w w  w  .j  av  a  2  s .  c o m

    sc.close();
    return sb.toString();
}

---

From source file:com.mgmtp.perfload.perfalyzer.binning.ErrorCountBinningStragegy.java

@Override
public void binData(final Scanner scanner, final WritableByteChannel destChannel) throws IOException {
    BinManager binManager = new BinManager(startOfFirstBin, PerfAlyzerConstants.BIN_SIZE_MILLIS_30_SECONDS);

    while (scanner.hasNextLine()) {
        tokenizer.reset(scanner.nextLine());
        String[] tokens = tokenizer.getTokenArray();

        long timestampMillis = Long.parseLong(tokens[0]);

        boolean isError = "ERROR".equals(tokens[MEASURING_NORMALIZED_COL_RESULT]);
        if (isError) {
            String errorMsg = tokens[MEASURING_NORMALIZED_COL_ERROR_MSG];
            MutableInt errorsByTypeCounter = errorsByType.get(errorMsg);
            if (errorsByTypeCounter == null) {
                errorsByTypeCounter = new MutableInt();
                errorsByType.put(errorMsg, errorsByTypeCounter);
            }/*  w w w  . j ava  2s  . c om*/
            errorsByTypeCounter.increment();

            binManager.addValue(timestampMillis);
        }
    }

    binManager.toCsv(destChannel, "seconds", "count", intNumberFormat);
}

---

From source file:ca.ualberta.cs.expenseclaim.dao.ExpenseItemDao.java

private ExpenseItemDao(Context context) {
    itemList = new ArrayList<ExpenseItem>();
    File file = new File(context.getFilesDir(), FILENAME);
    Scanner scanner = null;
    try {//from   ww w .  ja v a 2 s  . c o m
        scanner = new Scanner(file);
        while (scanner.hasNextLine()) {
            JSONObject jo = new JSONObject(scanner.nextLine());
            ExpenseItem item = new ExpenseItem();
            item.setId(jo.getInt("id"));
            item.setClaimId(jo.getInt("claimId"));
            item.setCategory(jo.getString("category"));
            item.setDescription(jo.getString("description"));
            item.setDate(new Date(jo.getLong("date")));
            item.setAmount(jo.getDouble("amount"));
            item.setUnit(jo.getString("unit"));
            if (maxId < item.getId()) {
                maxId = item.getId();
            }
            itemList.add(item);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (scanner != null) {
            scanner.close();
        }
    }
    maxId++;
}

---

From source file:eu.planets_project.pp.plato.services.action.planets.PlanetsMigrationService.java

private List<Parameter> getParameters(String configSettings) {

    List<Parameter> serviceParams = new ArrayList<Parameter>();

    if (configSettings == null) {
        return serviceParams;
    }//from w  w w . j  ava2  s . c  o  m

    Scanner scanner = new Scanner(configSettings);

    int index;
    while (scanner.hasNextLine()) {

        String line = scanner.nextLine();

        if ((index = line.indexOf('=')) > 0) {
            String name = line.substring(0, index);
            String value = line.substring(index + 1);

            if (name.length() > 0 && value.length() > 0) {
                serviceParams.add((new Parameter.Builder(name.trim(), value.trim()).build()));
            }
        }
    }

    return serviceParams;
}

---

From source file:com.joliciel.talismane.lexicon.LexiconSerializer.java

public void serializeLexicons(String[] args) {
    try {/*from   w w w.j av a 2 s.  co m*/
        String lexiconDirPath = "";
        String outDirPath = "";
        String posTagSetPath = "";
        String lexiconPatternPath = "";

        for (String arg : args) {
            int equalsPos = arg.indexOf('=');
            String argName = arg.substring(0, equalsPos);
            String argValue = arg.substring(equalsPos + 1);
            if (argName.equals("lexiconDir"))
                lexiconDirPath = argValue;
            else if (argName.equals("outDir"))
                outDirPath = argValue;
            else if (argName.equals("posTagSet"))
                posTagSetPath = argValue;
            else if (argName.equals("lexiconPattern"))
                lexiconPatternPath = argValue;
            else
                throw new RuntimeException("Unknown argument: " + argName);
        }

        if (lexiconDirPath.length() == 0)
            throw new RuntimeException("Missing argument: lexiconDir");
        if (outDirPath.length() == 0)
            throw new RuntimeException("Missing argument: outDir");
        if (posTagSetPath.length() == 0)
            throw new RuntimeException("Missing argument: posTagSet");
        if (lexiconPatternPath.length() == 0)
            throw new RuntimeException("Missing argument: lexiconPattern");

        File outDir = new File(outDirPath);
        outDir.mkdirs();

        TalismaneServiceLocator talismaneServiceLocator = TalismaneServiceLocator.getInstance();

        PosTaggerService posTaggerService = talismaneServiceLocator.getPosTaggerServiceLocator()
                .getPosTaggerService();
        File posTagSetFile = new File(posTagSetPath);
        PosTagSet posTagSet = posTaggerService.getPosTagSet(posTagSetFile);

        TalismaneSession.setPosTagSet(posTagSet);

        File lexiconDir = new File(lexiconDirPath);
        File[] lexiconFiles = lexiconDir.listFiles();

        File lexiconPatternFile = new File(lexiconPatternPath);
        Scanner lexiconPatternScanner = new Scanner(lexiconPatternFile);
        String regex = null;
        if (lexiconPatternScanner.hasNextLine()) {
            regex = lexiconPatternScanner.nextLine();
        }
        RegexLexicalEntryReader lexicalEntryReader = new RegexLexicalEntryReader(this.getMorphologyReader());
        lexicalEntryReader.setRegex(regex);
        for (File inFile : lexiconFiles) {
            LOG.debug("Serializing: " + inFile.getName());
            LexiconFile lexiconFile = new LexiconFile(lexicalEntryReader, inFile);
            lexiconFile.setPosTagSet(posTagSet);

            FileOutputStream fos = null;
            ObjectOutputStream out = null;
            String fileNameBase = inFile.getName();
            if (fileNameBase.indexOf('.') >= 0) {
                fileNameBase = fileNameBase.substring(0, fileNameBase.lastIndexOf('.'));

                File outFile = new File(outDir, fileNameBase + ".obj");
                try {
                    fos = new FileOutputStream(outFile);
                    out = new ObjectOutputStream(fos);

                    try {
                        out.writeObject(lexiconFile);
                    } finally {
                        out.flush();
                        out.close();
                    }
                } catch (IOException ioe) {
                    throw new RuntimeException(ioe);
                }
            }
        }
    } catch (IOException ioe) {
        LogUtils.logError(LOG, ioe);
        throw new RuntimeException(ioe);
    }
}

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From source file:htsjdk.samtools.tabix.IndexingFeatureWriterNGTest.java

@Test
public void blockCompressFile() throws FileNotFoundException {
    String file = "/home/sol/Downloads/test.chain.gff";
    String out = "/home/sol/Downloads/t.bgz";
    BlockCompressedOutputStream bcos = new BlockCompressedOutputStream(new File(out));
    PrintStream ps = new PrintStream(bcos);
    Scanner scan = new Scanner(new File(file));
    while (scan.hasNext()) {
        ps.println(scan.nextLine());
    }// ww  w . j ava  2 s .c o  m
    ps.close();
}

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From source file:com.yahoo.ycsb.bulk.hbase.RangePartitioner.java

private synchronized Text[] getCutPoints() throws IOException {
    if (cutPointArray == null) {
        String cutFileName = conf.get(CUTFILE_KEY);
        Path[] cf = DistributedCache.getLocalCacheFiles(conf);

        if (cf != null) {
            for (Path path : cf) {
                if (path.toUri().getPath().endsWith(cutFileName.substring(cutFileName.lastIndexOf('/')))) {
                    TreeSet<Text> cutPoints = new TreeSet<Text>();
                    Scanner in = new Scanner(new BufferedReader(new FileReader(path.toString())));
                    try {
                        while (in.hasNextLine())
                            cutPoints.add(new Text(Base64.decodeBase64(in.nextLine().getBytes())));
                    } finally {
                        in.close();/*  w  ww  .jav a2s .c  o  m*/
                    }
                    cutPointArray = cutPoints.toArray(new Text[cutPoints.size()]);
                    break;
                }
            }
        }
        if (cutPointArray == null)
            throw new FileNotFoundException(cutFileName + " not found in distributed cache");
    }
    return cutPointArray;
}

---

From source file:org.sasabus.export2Freegis.network.SubscriptionManager.java

public boolean subscribe() throws IOException {
    for (int i = 0; i < SUBFILEARRAY.length; ++i) {
        Scanner sc = new Scanner(new File(SUBFILEARRAY[i]));
        String subscriptionstring = "";
        while (sc.hasNextLine()) {
            subscriptionstring += sc.nextLine();
        }//from  w ww  .j  a va 2  s.c om
        sc.close();
        SimpleDateFormat date_date = new SimpleDateFormat("yyyy-MM-dd");
        SimpleDateFormat date_time = new SimpleDateFormat("HH:mm:ssZ");

        Date d = new Date();
        String timestamp = date_date.format(d) + "T" + date_time.format(d);
        timestamp = timestamp.substring(0, timestamp.length() - 2) + ":"
                + timestamp.substring(timestamp.length() - 2);
        Calendar c = Calendar.getInstance();
        c.setTime(d);
        c.add(Calendar.DATE, 1);
        d = c.getTime();
        String valid_until = date_date.format(d) + "T" + date_time.format(d);
        valid_until = valid_until.substring(0, valid_until.length() - 2) + ":"
                + valid_until.substring(valid_until.length() - 2);
        subscriptionstring = subscriptionstring.replaceAll(":timestamp_valid", valid_until);
        subscriptionstring = subscriptionstring.replaceAll(":timestamp", timestamp);

        String requestString = "http://" + this.address + ":" + this.portnumber_sender
                + "/TmEvNotificationService/gms/subscription.xml";

        HttpPost subrequest = new HttpPost(requestString);

        StringEntity requestEntity = new StringEntity(subscriptionstring,
                ContentType.create("text/xml", "ISO-8859-1"));

        CloseableHttpClient httpClient = HttpClients.createDefault();

        subrequest.setEntity(requestEntity);

        CloseableHttpResponse response = httpClient.execute(subrequest);

        if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
            try {
                System.out.println("Stauts Response: " + response.getStatusLine().getStatusCode());
                System.out.println("Status Phrase: " + response.getStatusLine().getReasonPhrase());
                HttpEntity responseEntity = response.getEntity();
                if (responseEntity != null) {
                    String responsebody = EntityUtils.toString(responseEntity);
                    System.out.println(responsebody);
                }
            } finally {
                response.close();
                httpClient.close();
            }
            return false;
        }
        System.out.println("Subscription of " + SUBFILEARRAY[i]);
    }
    return true;

}

---

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