Example usage for java.io LineNumberReader LineNumberReader

Introduction

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

Prototype

public LineNumberReader(Reader in) 

Source Link

Document

Create a new line-numbering reader, using the default input-buffer size.

Usage

From source file:de.bps.course.nodes.vc.provider.wimba.WimbaClassroomProvider.java

private WimbaResponse getResponseDocument(String rawResponse) {
    StringReader input = new StringReader(rawResponse);
    LineNumberReader reader = new LineNumberReader(input);

    WimbaResponse response = new WimbaResponse();
    String line;/*from w w w.  jav  a2 s.  co m*/
    Map<String, String> record = new HashMap<String, String>();
    try {
        // start with status code in first line
        line = reader.readLine();
        response.setStatus(getStatusCode(line));
        // read the records following
        while ((line = reader.readLine()) != null) {
            if (line.equals(DELIM)) {
                // end of record
                response.addRecord(record);
                record = new HashMap<String, String>();
            } else {
                // regular part of a record
                String[] elem = line.split("=", 2);
                record.put(elem[0], elem[1]);
            }
        }
    } catch (IOException e) {
        logError("The Wimba Classroom response could not parsed. Raw response: " + rawResponse, e);
    }

    return response;
}

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From source file:org.latticesoft.util.common.FileUtil.java

/**
 * Read lines from an inputstream./*from  www. j  a  v a2  s  . c om*/
 * @param is the InputStream
 * @param close if set to true, after reading the input stream would be closed.
 * @param start the line of the file to read from. Line starts from 0. 
 * If count is 1, 1 line would be skipped.
 * @param end the line of the file to stop reading. The end line is included.
 * @return an collection of the lines read
 */
public static List readLinesFromStream(InputStream is, boolean close, int start, int end) {
    if (is == null) {
        return null;
    }
    ArrayList a = new ArrayList();
    Reader r = null;
    LineNumberReader lr = null;
    try {
        r = new InputStreamReader(is);
        lr = new LineNumberReader(r);
        String line = null;
        do {
            line = lr.readLine();
            int currLine = lr.getLineNumber();
            if (start > 0 && end > 0 && currLine >= start && currLine <= end) {
                if (line != null) {
                    a.add(line);
                }
            }
            if (start == START_OF_FILE && end == END_OF_FILE) {
                if (line != null) {
                    a.add(line);
                }
            }
            if (end > 0 && currLine > end) {
                break;
            }
        } while (line != null);
    } catch (Exception e) {
        if (log.isErrorEnabled()) {
            log.error(e);
        }
    } finally {
        if (close) {
            try {
                lr.close();
            } catch (Exception e) {
            }
            try {
                r.close();
            } catch (Exception e) {
            }
        }
        lr = null;
        r = null;
    }
    return a;
}

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From source file:com.castis.sysComp.PoisConverterSysComp.java

public void parseCategoryFile(File file, String sub) throws Exception {
    String line = "";
    FileInputStream in = null;//from   w  ww  .j a  v a2 s .c  o  m
    Reader isReader = null;
    LineNumberReader bufReader = null;

    try {
        String encodingCharset = FILE_CHARSET;

        in = new FileInputStream(file);
        isReader = new InputStreamReader(in, encodingCharset);
        bufReader = new LineNumberReader(isReader);

        boolean first = true;
        while ((line = bufReader.readLine()) != null) {
            if (first == true) {
                first = false;
                continue;
            }

            //Depth, Menu ID, Menu Name, Hidden, Menu Type.
            String result[] = line.split(",");

            String depth = result[0];
            String menuId = result[1];
            String menuName = result[2];
            String hidden = result[3];
            String menuType = result[5];

            if (depth == null || depth.equals("")) {
                throw new DataParsingException("data parsing error(depth)");
            }
            if (menuId == null || menuId.equals("")) {
                throw new DataParsingException("data parsing error(Menu ID)");
            }
            if (menuName == null || menuName.equals("")) {
                throw new DataParsingException("data parsing error(Menu Name)");
            }
            if (hidden == null || hidden.equals("")) {
                throw new DataParsingException("data parsing error(Hidden)");
            }
            if (menuType == null || menuType.equals("")) {
                throw new DataParsingException("data parsing error(Menu Type)");
            }

        }
    } catch (Exception e) {
        String errorMsg = e.getMessage();
        log.error(errorMsg, e);
        throw new DataParsingException(errorMsg, e); //throw(e);

    } finally {
        if (in != null)
            in.close();
        if (isReader != null)
            isReader.close();
        if (bufReader != null)
            bufReader.close();
    }

    String fileName = file.getName();
    int index = fileName.indexOf("-");
    if (index != -1) {
        fileName = fileName.substring(index + 1, fileName.length());
    }

    index = fileName.indexOf("_");

    String targetDir = resultDir;
    if (index != -1) {
        String directory = fileName.substring(0, index);
        targetDir += "/" + sub + "/" + directory;
    }

    try {
        File resultTargetDir = new File(CiFileUtil.getReplaceFullPath(targetDir));
        if (!resultTargetDir.isDirectory()) {
            CiFileUtil.createDirectory(targetDir);
        }

        CiFileUtil.renameFile(file, targetDir, fileName);

    } catch (Exception e) {
        log.error(e.getMessage());
    }

}

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From source file:com.bigdata.rdf.sail.webapp.AbstractTestNanoSparqlClient.java

/**
 * Read the contents of a file./*from  www  . j a va 2 s . c o  m*/
 * 
 * @param file
 *            The file.
 * @return It's contents.
 */
protected static String readFromFile(final File file) throws IOException {

    final LineNumberReader r = new LineNumberReader(new FileReader(file));

    try {

        final StringBuilder sb = new StringBuilder();

        String s;
        while ((s = r.readLine()) != null) {

            if (r.getLineNumber() > 1)
                sb.append("\n");

            sb.append(s);

        }

        return sb.toString();

    } finally {

        r.close();

    }

}

---

From source file:rega.genotype.ui.forms.StartForm.java

private boolean capSequences(String fastaContent) {
    LineNumberReader r = new LineNumberReader(new StringReader(fastaContent));

    try {/*  w  w  w  . java 2 s .co m*/
        while (true) {
            Sequence s = SequenceAlignment.readFastaFileSequence(r, SequenceAlignment.SEQUENCE_DNA, true);
            if (s == null)
                break;

            if (s.isNameCapped())
                return true;
        }
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    } catch (FileFormatException e) {
        return false;
    }

    return false;
}

---

From source file:org.apache.zookeeper.server.quorum.QuorumPeerMainTest.java

/**
 * Verify handling of inconsistent peer type
 *///w w w .  j av  a 2  s .c o m
@Test
public void testInconsistentPeerType() throws Exception {
    ClientBase.setupTestEnv();

    // setup the logger to capture all logs
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    WriterAppender appender = getConsoleAppender(os, Level.INFO);
    Logger qlogger = Logger.getLogger("org.apache.zookeeper.server.quorum");
    qlogger.addAppender(appender);

    // test the most likely situation only: server is stated as observer in
    // servers list, but there's no "peerType=observer" token in config
    try {
        final int CLIENT_PORT_QP1 = PortAssignment.unique();
        final int CLIENT_PORT_QP2 = PortAssignment.unique();
        final int CLIENT_PORT_QP3 = PortAssignment.unique();

        String quorumCfgSection = "server.1=127.0.0.1:" + PortAssignment.unique() + ":"
                + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\nserver.2=127.0.0.1:"
                + PortAssignment.unique() + ":" + PortAssignment.unique() + ";" + CLIENT_PORT_QP2
                + "\nserver.3=127.0.0.1:" + PortAssignment.unique() + ":" + PortAssignment.unique()
                + ":observer" + ";" + CLIENT_PORT_QP3;

        MainThread q1 = new MainThread(1, CLIENT_PORT_QP1, quorumCfgSection);
        MainThread q2 = new MainThread(2, CLIENT_PORT_QP2, quorumCfgSection);
        MainThread q3 = new MainThread(3, CLIENT_PORT_QP3, quorumCfgSection);
        q1.start();
        q2.start();
        q3.start();

        Assert.assertTrue("waiting for server 1 being up",
                ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP1, CONNECTION_TIMEOUT));
        Assert.assertTrue("waiting for server 2 being up",
                ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP2, CONNECTION_TIMEOUT));
        Assert.assertTrue("waiting for server 3 being up",
                ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP3, CONNECTION_TIMEOUT));

        q1.shutdown();
        q2.shutdown();
        q3.shutdown();

        Assert.assertTrue("waiting for server 1 down",
                ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP1, ClientBase.CONNECTION_TIMEOUT));
        Assert.assertTrue("waiting for server 2 down",
                ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP2, ClientBase.CONNECTION_TIMEOUT));
        Assert.assertTrue("waiting for server 3 down",
                ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP3, ClientBase.CONNECTION_TIMEOUT));

    } finally {
        qlogger.removeAppender(appender);
    }

    LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
    String line;
    boolean warningPresent = false;
    boolean defaultedToObserver = false;
    Pattern pWarn = Pattern.compile(".*Peer type from servers list.* doesn't match peerType.*");
    Pattern pObserve = Pattern.compile(".*OBSERVING.*");
    while ((line = r.readLine()) != null) {
        if (pWarn.matcher(line).matches()) {
            warningPresent = true;
        }
        if (pObserve.matcher(line).matches()) {
            defaultedToObserver = true;
        }
        if (warningPresent && defaultedToObserver) {
            break;
        }
    }
    Assert.assertTrue("Should warn about inconsistent peer type", warningPresent && defaultedToObserver);
}

---

From source file:org.kawanfw.sql.jdbc.StatementHttp.java

/**
 * Says if the file contains a ResultSet or if the file contains an
 * UpdateCount. if file contains an UpdateCount ==> first line is numeric
 * /*from   ww  w.j  a v a  2  s. c  o m*/
 * @param file
 *            the received file from the server
 * @return true if the file is a result set
 */
protected boolean isFileResultSet(File file) throws SQLException {

    LineNumberReader lineNumberReader = null;

    try {
        lineNumberReader = new LineNumberReader(new FileReader(file));
        String line = lineNumberReader.readLine();

        line = line.trim();

        if (line.startsWith("getUpdateCount=")) {

            String updateCountStr = StringUtils.substringAfter(line, "getUpdateCount=");

            try {
                updateCount = Integer.parseInt(updateCountStr);
            } catch (NumberFormatException e) {
                throw new SQLException(Tag.PRODUCT_PRODUCT_FAIL + e.getMessage(),
                        new IOException(e.getMessage(), e));
            }

            return false;
        } else if (line.startsWith(CallableParms.NO_RESULT_SET)) {
            return false;
        } else {
            return true;
        }
    } catch (IOException e) {
        JdbcHttpTransferUtil.wrapExceptionAsSQLException(e);
    } finally {
        IOUtils.closeQuietly(lineNumberReader);
    }

    return false;

}

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From source file:rega.genotype.ui.forms.StartForm.java

private CharSequence verifyFasta(String fastaContent) {
    int sequenceCount = 0;

    LineNumberReader r = new LineNumberReader(new StringReader(fastaContent));

    try {//  w w  w.  j  a  v  a2 s  . c o m
        while (true) {
            if (SequenceAlignment.readFastaFileSequence(r, SequenceAlignment.SEQUENCE_DNA, true) == null)
                break;
            ++sequenceCount;
        }

        if (sequenceCount == 0) {
            return tr("startForm.noSequence");
        } else if (sequenceCount > Settings.getInstance().getMaxAllowedSeqs()) {
            return tr("startForm.tooManySequences");
        }
    } catch (IOException e) {
        e.printStackTrace();
        return tr("startForm.ioError");
    } catch (FileFormatException e) {
        return e.getMessage();
    }

    return null;
}

---

From source file:com.netspective.commons.text.TextUtils.java

/**
 * Retrieve lines of text from an input stream
 *
 * @param is              The input stream to read
 * @param startLineNumber The starting line number
 * @param endLineNumber   The ending line number
 *
 * @return The text contained in line numbers startingLineNumber to endingLineNumber
 *//*from  w  w  w .  j a  v a2s  . co  m*/
public String getTextStreamLines(InputStream is, int startLineNumber, int endLineNumber) throws IOException {
    if (is == null)
        return null;

    if (startLineNumber <= 0 && endLineNumber <= 0)
        return null;

    Reader isReader = null;
    LineNumberReader reader = null;
    StringBuffer result = new StringBuffer();

    try {
        isReader = new InputStreamReader(is);
        reader = new LineNumberReader(isReader);

        String line = null;

        if (startLineNumber > 0 && endLineNumber <= 0) {
            while ((line = reader.readLine()) != null) {
                if (reader.getLineNumber() == startLineNumber)
                    return line;
            }

        } else {
            while ((line = reader.readLine()) != null) {
                int lineNumber = reader.getLineNumber();

                if (lineNumber < startLineNumber)
                    continue;

                if (lineNumber > endLineNumber)
                    break;

                result.append(line);
                result.append("\n");
            }
        }
    } finally {
        if (reader != null)
            reader.close();

        if (isReader != null)
            is.close();

        is.close();
    }

    return result.toString();
}

---

From source file:org.ngrinder.perftest.service.PerfTestService.java

/**
 * get the data point interval of report data. Use dataPointCount / imgWidth as the interval. if interval is 1, it
 * means we will get all point from report. If interval is 2, it means we will get 1 point from every 2 data.
 *
 * @param testId   test id//from www .j  ava 2s  . c o  m
 * @param dataType data type
 * @param imgWidth image width
 * @return interval interval value
 */
public int getReportDataInterval(long testId, String dataType, int imgWidth) {
    int pointCount = Math.max(imgWidth, MAX_POINT_COUNT);
    File reportFolder = config.getHome().getPerfTestReportDirectory(String.valueOf(testId));
    int interval = 0;
    File targetFile = new File(reportFolder, dataType + DATA_FILE_EXTENSION);
    if (!targetFile.exists()) {
        LOGGER.warn("Report {} for test {} does not exist.", dataType, testId);
        return 0;
    }
    LineNumberReader lnr = null;

    FileInputStream in = null;
    InputStreamReader isr = null;
    try {
        in = new FileInputStream(targetFile);
        isr = new InputStreamReader(in);
        lnr = new LineNumberReader(isr);
        lnr.skip(targetFile.length());
        int lineNumber = lnr.getLineNumber() + 1;
        interval = Math.max(lineNumber / pointCount, 1);
    } catch (Exception e) {
        LOGGER.error("Failed to get report data for {}", dataType, e);
    } finally {
        IOUtils.closeQuietly(lnr);
        IOUtils.closeQuietly(isr);
        IOUtils.closeQuietly(in);
    }

    return interval;
}

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