Example usage for java.io LineNumberReader readLine

Introduction

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

Prototype

public String readLine() throws IOException 

Source Link

Document

Read a line of text.

Usage

From source file:org.kalypso.model.wspm.core.profil.sobek.parser.SobekLineParser.java

public SobekLineParser(final LineNumberReader reader) throws IOException, CoreException {
    final String line = reader.readLine();
    if (line == null)
        throw SobekParsing.throwError(format(Messages.getString("SobekLineParser_0"))); //$NON-NLS-1$

    m_tokenizer = new StrTokenizer(line, StrMatcher.spaceMatcher(), StrMatcher.singleQuoteMatcher());
    m_lineNumber = reader.getLineNumber();
}

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From source file:com.acmeair.loader.FlightLoader.java

public void loadFlights() throws Exception {
    InputStream csvInputStream = FlightLoader.class.getResourceAsStream("/mileage.csv");

    LineNumberReader lnr = new LineNumberReader(new InputStreamReader(csvInputStream));
    String line1 = lnr.readLine();
    StringTokenizer st = new StringTokenizer(line1, ",");
    ArrayList<AirportCodeMapping> airports = new ArrayList<AirportCodeMapping>();

    // read the first line which are airport names
    while (st.hasMoreTokens()) {
        AirportCodeMapping acm = new AirportCodeMapping();
        acm.setAirportName(st.nextToken());
        airports.add(acm);/*from   w  ww.  ja  v  a 2 s .c o m*/
    }
    // read the second line which contains matching airport codes for the first line
    String line2 = lnr.readLine();
    st = new StringTokenizer(line2, ",");
    int ii = 0;
    while (st.hasMoreTokens()) {
        String airportCode = st.nextToken();
        airports.get(ii).setAirportCode(airportCode);
        ii++;
    }
    // read the other lines which are of format:
    // airport name, aiport code, distance from this airport to whatever airport is in the column from lines one and two
    String line;
    int flightNumber = 0;
    while (true) {
        line = lnr.readLine();
        if (line == null || line.trim().equals("")) {
            break;
        }
        st = new StringTokenizer(line, ",");
        String airportName = st.nextToken();
        String airportCode = st.nextToken();
        if (!alreadyInCollection(airportCode, airports)) {
            AirportCodeMapping acm = new AirportCodeMapping();
            acm.setAirportName(airportName);
            acm.setAirportCode(airportCode);
            airports.add(acm);
        }
        int indexIntoTopLine = 0;
        while (st.hasMoreTokens()) {
            String milesString = st.nextToken();
            if (milesString.equals("NA")) {
                indexIntoTopLine++;
                continue;
            }
            int miles = Integer.parseInt(milesString);
            String toAirport = airports.get(indexIntoTopLine).getAirportCode();
            String flightId = "AA" + flightNumber;
            FlightSegment flightSeg = new FlightSegment(flightId, airportCode, toAirport, miles);
            flightService.storeFlightSegment(flightSeg);
            Date now = new Date();
            for (int daysFromNow = 0; daysFromNow < MAX_FLIGHTS_PER_SEGMENT; daysFromNow++) {
                Calendar c = Calendar.getInstance();
                c.setTime(now);
                c.set(Calendar.HOUR_OF_DAY, 0);
                c.set(Calendar.MINUTE, 0);
                c.set(Calendar.SECOND, 0);
                c.set(Calendar.MILLISECOND, 0);
                c.add(Calendar.DATE, daysFromNow);
                Date departureTime = c.getTime();
                Date arrivalTime = getArrivalTime(departureTime, miles);
                flightService.createNewFlight(flightId, departureTime, arrivalTime, new BigDecimal(500),
                        new BigDecimal(200), 10, 200, "B747");

            }
            flightNumber++;
            indexIntoTopLine++;
        }
    }

    for (int jj = 0; jj < airports.size(); jj++) {
        flightService.storeAirportMapping(airports.get(jj));
    }
    lnr.close();
}

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From source file:com.bce.gis.io.zweidm.SmsParser.java

private void parse(final Reader reader) throws IOException {
    Assert.isNotNull(reader);//  w ww .j a  v a2s.c o  m

    final LineNumberReader lnReader = new LineNumberReader(reader);
    for (String line = lnReader.readLine(); line != null; line = lnReader.readLine()) {
        try {
            if (line.startsWith("ND")) //$NON-NLS-1$
                interpreteNodeLine(line, lnReader);
            else if (line.startsWith("E3T")) //$NON-NLS-1$
                interpreteE3TLine(line, lnReader);
            else if (line.startsWith("E4Q")) //$NON-NLS-1$
                interpreteE4QLine(line, lnReader);
        } catch (final NumberFormatException e) {
            addStatus(lnReader, IStatus.ERROR, Messages.getString("SmsParser_2"), e.getLocalizedMessage()); //$NON-NLS-1$
        }

        /* Abort after too many problems, */
        final int maxProblemCount = 100;
        if (m_stati.size() > maxProblemCount) {
            m_stati.add(IStatus.ERROR, Messages.getString("SmsParser_3")); //$NON-NLS-1$
            return;
        }
    }
}

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From source file:org.kalypso.model.hydrology.internal.postprocessing.Block.java

public void readValues(final LineNumberReader reader, final int numValues) throws IOException {
    int valueCount = 0;

    while (reader.ready()) {
        final String line = reader.readLine();
        if (line == null)
            break;

        if (line.startsWith("#")) //$NON-NLS-1$
            continue;

        if (StringUtils.isBlank(line))
            continue;

        final String[] values = StringUtils.split(line, null);
        for (final String item : values) {
            m_timeStep.step(m_currentStep);

            final Date valueDate = m_currentStep.getTime();

            final double value = NumberUtils.parseQuietDouble(item);

            m_data.put(valueDate, value);

            valueCount++;/*from w  w w.  jav  a 2 s.  com*/

            if (valueCount >= numValues)
                return;
        }
    }
}

---

From source file:org.kuali.test.proxyserver.MultiPartHandler.java

public MultiPartHandler(MultipartStream multipartStream) throws IOException {
    LineNumberReader lnr = null;
    try {/*  w w  w .  j a  v a 2s . co m*/
        lnr = new LineNumberReader(new StringReader(multipartStream.readHeaders()));
        String line;

        while ((line = lnr.readLine()) != null) {
            if (line.startsWith(Constants.CONTENT_DISPOSITION)) {
                for (String param : PARAMETER_NAMES) {
                    int pos = line.indexOf(param);
                    if (pos > -1) {
                        pos += (param.length() + 2);
                        int pos2 = line.indexOf("\"", pos);

                        if ((pos > -1) && (pos2 > -1) && (pos2 > pos)) {
                            parameters.put(param, line.substring(pos, pos2));
                        }
                    }
                }
            }

            if (line.startsWith(Constants.HTTP_RESPONSE_CONTENT_TYPE)) {
                int pos = line.indexOf(Constants.SEPARATOR_COLON);

                if (pos > -1) {
                    contentType = line.substring(pos + 1).trim();
                }
            }
        }

        ByteArrayOutputStream bos = new ByteArrayOutputStream(512);
        multipartStream.readBodyData(bos);
        bytes = bos.toByteArray();
    }

    finally {
        try {
            if (lnr != null) {
                lnr.close();
            }
        }

        catch (Exception ex) {
        }
        ;
    }
}

---

From source file:org.testng.spring.test.AbstractTransactionalDataSourceSpringContextTests.java

/**
 * Execute the given SQL script. Will be rolled back by default,
 * according to the fate of the current transaction.
 * @param sqlResourcePath Spring resource path for the SQL script.
 * Should normally be loaded by classpath. There should be one statement
 * per line. Any semicolons will be removed.
 * <b>Do not use this method to execute DDL if you expect rollback.</b>
 * @param continueOnError whether or not to continue without throwing
 * an exception in the event of an error
 * @throws DataAccessException if there is an error executing a statement
 * and continueOnError was false/*from  w  w w.  j a v  a 2 s  . co m*/
 */
protected void executeSqlScript(String sqlResourcePath, boolean continueOnError) throws DataAccessException {
    if (logger.isInfoEnabled()) {
        logger.info("Executing SQL script '" + sqlResourcePath + "'");
    }

    long startTime = System.currentTimeMillis();
    List statements = new LinkedList();
    Resource res = getApplicationContext().getResource(sqlResourcePath);
    try {
        LineNumberReader lnr = new LineNumberReader(new InputStreamReader(res.getInputStream()));
        String currentStatement = lnr.readLine();
        while (currentStatement != null) {
            currentStatement = StringUtils.replace(currentStatement, ";", "");
            statements.add(currentStatement);
            currentStatement = lnr.readLine();
        }

        for (Iterator itr = statements.iterator(); itr.hasNext();) {
            String statement = (String) itr.next();
            try {
                int rowsAffected = this.jdbcTemplate.update(statement);
                if (logger.isDebugEnabled()) {
                    logger.debug(rowsAffected + " rows affected by SQL: " + statement);
                }
            } catch (DataAccessException ex) {
                if (continueOnError) {
                    if (logger.isWarnEnabled()) {
                        logger.warn("SQL: " + statement + " failed", ex);
                    }
                } else {
                    throw ex;
                }
            }
        }
        long elapsedTime = System.currentTimeMillis() - startTime;
        logger.info("Done executing SQL script '" + sqlResourcePath + "' in " + elapsedTime + " ms");
    } catch (IOException ex) {
        throw new DataAccessResourceFailureException("Failed to open SQL script '" + sqlResourcePath + "'", ex);
    }
}

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From source file:com.puppycrawl.tools.checkstyle.checks.header.AbstractHeaderCheck.java

/**
 * Load header to check against from a Reader into readerLines.
 * @param headerReader delivers the header to check against
 * @throws IOException if//from   w  ww. j a v a 2  s.co  m
 */
private void loadHeader(final Reader headerReader) throws IOException {
    final LineNumberReader lnr = new LineNumberReader(headerReader);
    readerLines.clear();
    while (true) {
        final String line = lnr.readLine();
        if (line == null) {
            break;
        }
        readerLines.add(line);
    }
    postProcessHeaderLines();
}

---

From source file:com.penguineering.cleanuri.sites.reichelt.ReicheltExtractor.java

@Override
public Map<Metakey, String> extractMetadata(URI uri) throws ExtractorException {
    if (uri == null)
        throw new NullPointerException("URI argument must not be null!");

    URL url;//  w  ww.  ja  v  a2  s. c o m
    try {
        url = uri.toURL();
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("The provided URI is not a URL!");
    }

    Map<Metakey, String> meta = new HashMap<Metakey, String>();

    try {
        final URLConnection con = url.openConnection();

        LineNumberReader reader = null;
        try {
            reader = new LineNumberReader(new InputStreamReader(con.getInputStream()));

            String line;
            while ((line = reader.readLine()) != null) {
                if (!line.contains("<h2>"))
                    continue;

                // h2
                int h2_idx = line.indexOf("h2");
                // Doppelpunkte
                int col_idx = line.indexOf("<span> :: <span");
                final String art_id = line.substring(h2_idx + 3, col_idx);
                meta.put(Metakey.ID, html2oUTF8(art_id).trim());

                int span_idx = line.indexOf("</span>");
                final String art_name = line.substring(col_idx + 32, span_idx);
                meta.put(Metakey.NAME, html2oUTF8(art_name).trim());

                break;
            }

            return meta;
        } finally {
            if (reader != null)
                reader.close();
        }
    } catch (IOException e) {
        throw new ExtractorException("I/O exception during extraction: " + e.getMessage(), e, uri);
    }

}

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From source file:com.liferay.portal.scripting.internal.ScriptingImpl.java

protected String getErrorMessage(String script, Exception e) {
    StringBundler sb = new StringBundler();

    sb.append(e.getMessage());/*www. ja  v  a 2 s  .c o m*/
    sb.append(StringPool.NEW_LINE);

    try {
        LineNumberReader lineNumberReader = new LineNumberReader(new UnsyncStringReader(script));

        while (true) {
            String line = lineNumberReader.readLine();

            if (line == null) {
                break;
            }

            sb.append("Line ");
            sb.append(lineNumberReader.getLineNumber());
            sb.append(": ");
            sb.append(line);
            sb.append(StringPool.NEW_LINE);
        }
    } catch (IOException ioe) {
        sb.setIndex(0);

        sb.append(e.getMessage());
        sb.append(StringPool.NEW_LINE);
        sb.append(script);
    }

    return sb.toString();
}

---

From source file:com.googlecode.jweb1t.JWeb1TSearcher.java

private void initialize(final File baseDir) throws NumberFormatException, IOException {
    indexMap = new HashMap<Integer, FileMap>();
    ngramCountMap = new HashMap<Integer, Long>();
    ngramDistinctCountMap = new HashMap<Integer, Long>();

    final File countFile = new File(baseDir, JWeb1TAggregator.AGGREGATED_COUNTS_FILE);
    if (countFile.exists()) {
        final LineNumberReader lineReader = new LineNumberReader(new FileReader(countFile));
        String line;/*from w  ww. j a v  a 2  s  .c  o  m*/
        while ((line = lineReader.readLine()) != null) {
            final String[] parts = line.split("\t");

            if (parts.length != 3) {
                continue;
            }

            final int ngramSize = Integer.valueOf(parts[0]);
            final long ngramDistinctCount = Long.valueOf(parts[1]);
            final long ngramCount = Long.valueOf(parts[2]);

            ngramCountMap.put(ngramSize, ngramCount);
            ngramDistinctCountMap.put(ngramSize, ngramDistinctCount);
        }
        lineReader.close();
    }

}

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