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.innovationgate.wgpublisher.design.fs.AbstractDesignFile.java

protected String readCode(DesignMetadata md) throws FileNotFoundException, IOException, WGDesignSyncException,
        InstantiationException, IllegalAccessException {

    // No, filecontainers have no code, but thanks for asking....
    if (getType() == WGDocument.TYPE_FILECONTAINER) {
        return null;
    }/*w  ww . ja  va 2s  .  c o  m*/

    FileObject codeFile = getCodeFile();
    if (!codeFile.exists()) {
        throw new WGDesignSyncException("Code of file '" + getCodeFile().getName().getPath()
                + "' could not be read because the file does not exist.");
    }

    LineNumberReader reader = new LineNumberReader(createReader(codeFile));
    StringWriter writer = new StringWriter();
    int headerLines = 0;
    try {
        String line;
        boolean lookForHeaders = true;
        boolean firstLine = true;

        while ((line = reader.readLine()) != null) {
            if (lookForHeaders == true && line.startsWith("##")) {
                processDesignHeader(line, md.getInfo());
                headerLines++;
            } else {
                lookForHeaders = false;

                if (!firstLine) {
                    writer.write("\n");
                } else {
                    firstLine = false;
                }

                writer.write(line);
            }
        }
    } finally {
        reader.close();
        codeFile.getContent().close();
    }
    writer.close();
    md.setHeaderLines(headerLines);
    String code = writer.toString();
    return code;
}

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From source file:com.espertech.esper.example.trivia.TriviaMain.java

private List<String> parseLines(String testdata) {
    List<String> result = new ArrayList<String>();
    StringReader buf = new StringReader(testdata);
    LineNumberReader reader = new LineNumberReader(buf);
    try {/*from  w ww .j av  a2s .  c  o m*/
        while (true) {
            String line = reader.readLine();
            if (line == null) {
                break;
            }
            result.add(line);
        }
    } catch (IOException ex) {
        throw new RuntimeException("Failed to parse lines: " + ex.getMessage(), ex);
    }
    return result;
}

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From source file:org.kalypso.wspwin.core.WspCfg.java

private IStatus readWspCfg(final File profDir, final Collection<ZustandBean> zustandBeans) {
    final File wspCfgFile = new File(profDir, WspWinFiles.WSP_CFG);

    try (LineNumberReader reader = new LineNumberReader(new FileReader(wspCfgFile))) {
        final String firstLine = reader.readLine();
        if (firstLine == null || firstLine.length() == 0)
            return new Status(IStatus.ERROR, KalypsoWspWinCorePlugin.PLUGIN_ID,
                    Messages.getString("org.kalypso.wspwin.core.WspCfg.1")); //$NON-NLS-1$

        // ignore the values, we read the count from the linecount
        // just parse the type
        final char type = firstLine.charAt(firstLine.length() - 1);
        setType(type);/*  w w  w .  j  a  v  a  2s.c om*/

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

            final String trimmedLine = line.trim();
            if (trimmedLine.length() == 0 || trimmedLine.length() < 85)
                continue;

            try {
                final String waterName = trimmedLine.substring(0, 15).trim();
                final String name = trimmedLine.substring(15, 30).trim();
                // normally it should always be german, but it depends on the wspwin installation
                final DateFormat dateInstance = SimpleDateFormat.getDateInstance(SimpleDateFormat.SHORT,
                        Locale.GERMAN);
                final String dateString = trimmedLine.substring(30, 41).trim();
                final Date date = dateInstance.parse(dateString);
                final BigDecimal start = new BigDecimal(trimmedLine.substring(41, 56).trim());
                final BigDecimal end = new BigDecimal(trimmedLine.substring(56, 71).trim());
                final String fileName = trimmedLine.substring(71).trim();

                final ZustandBean zustandBean = new ZustandBean(name, waterName, fileName, start, end, date);
                zustandBeans.add(zustandBean);
            } catch (final NumberFormatException e) {
                e.printStackTrace();
                throw new ParseException(
                        Messages.getString("org.kalypso.wspwin.core.WspCfg.3", reader.getLineNumber()), //$NON-NLS-1$
                        reader.getLineNumber());
            }
        }

        return Status.OK_STATUS;
    } catch (final ParseException | IOException e) {
        return new Status(IStatus.ERROR, KalypsoWspWinCorePlugin.PLUGIN_ID, e.getLocalizedMessage(), e);
    }
}

---

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

public void parseViewCountFile(File file) throws Exception {
    String line = "";
    FileInputStream in = null;// w  w w.j av  a  2  s  . c om
    Reader isReader = null;
    LineNumberReader bufReader = null;
    if (file.getName().contains("channel")) {
        type = "channel";
    } else {
        type = "vod";
    }

    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 (line.length() == 0) {
                continue;
            }

            InputDataDTO data = new InputDataDTO();
            String result[] = line.split("\\|");
            if (first == true && result.length <= 1) {
                first = false;
                continue;
            }

            if (result[0] == null || result[0].equals("")) {
                throw new DataParsingException("data parsing error(region)");
            }

            if (result[1] == null || result[1].equals("")) {
                throw new DataParsingException("data parsing error(category)");
            }

            if (result[2] == null || result[2].equals("")) {
                throw new DataParsingException("data parsing error(weekday)");
            }

            if (result[3] == null || result[3].equals("")) {
                throw new DataParsingException("data parsing error(hour)");
            }

            if (result[4] == null || result[4].equals("")) {
                throw new DataParsingException("data parsing error(platform)");
            }

            if (result[5] == null || result[5].equals("")) {
                throw new DataParsingException("data parsing error(count)");
            }

            String platform = result[4];

            if (platform != null && platform.equalsIgnoreCase("stb"))
                platform = "STB";
            else if (platform != null && platform.equalsIgnoreCase("mobile")) {
                platform = "Mobile";
            }
            data.setPlatform(platform);

            List<TreeNodeDTO> tree = treeMap.get(platform);

            if (tree == null) {
                tree = getAxis(platform);
                treeMap.put(platform, tree);
            }

            String fullpath = getFullPath(tree, result[0]);

            if (fullpath == "") {
                throw new DataParsingException("region ID[" + result[0] + "] can't find fullpath.");
            }

            data.setRegion(fullpath);
            data.setCategory(result[1]);
            data.setWeekday(result[2]);
            data.setHour(result[3]);
            data.setCount(Integer.parseInt(result[5]));

            insertTreeNode(data);
        }

        for (WeekHourPair key : trees.keySet()) {
            Map<String, TreeNodeForCount> map = trees.get(key);
            calculateCount(map);
        }

        writeFile(file);

    } catch (Exception e) {
        String errorMsg = "Fail to parsing Line.[current line(" + bufReader.getLineNumber() + ") :" + line
                + "] : ";
        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();
    }
}

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From source file:net.ontopia.persistence.rdbms.CSVImport.java

public void importCSV(InputStream csvfile) throws Exception {
    // Execute statements
    try {/*from   www.j a v a  2s.c  om*/

        String[] qmarks = new String[columns.length];
        for (int i = 0; i < qmarks.length; i++) {
            qmarks[i] = "?";
        }

        if (cleartable) {
            String delsql = "delete from " + table;
            Statement delstm = conn.createStatement();
            delstm.executeUpdate(delsql);
            //! conn.commit();
        }

        String sql = "insert into " + table + " (" + StringUtils.join(columns, ", ") + ") values ("
                + StringUtils.join(qmarks, ", ") + ")";
        log.debug("SQL: " + sql);
        PreparedStatement stm = conn.prepareStatement(sql);

        int datatypes[] = new int[columns.length];
        for (int i = 0; i < columns.length; i++) {
            Table tbl = project.getTableByName(table);
            if (tbl == null)
                throw new OntopiaRuntimeException("Unknown table: " + table);
            Column col = tbl.getColumnByName(columns[i]);
            if (col == null)
                throw new OntopiaRuntimeException("Unknown table column: " + columns[i]);
            if (col.getType() == null)
                throw new OntopiaRuntimeException("Column type is null: " + col.getType());
            DataType datatype = project.getDataTypeByName(col.getType(), "generic");
            if (datatype == null)
                throw new OntopiaRuntimeException("Unknown column type: " + col.getType());
            String dtype = datatype.getType();
            if ("varchar".equals(dtype))
                datatypes[i] = Types.VARCHAR;
            else if ("integer".equals(dtype))
                datatypes[i] = Types.INTEGER;
            else
                throw new OntopiaRuntimeException("Unknown datatype: " + dtype);
        }

        LineNumberReader reader = new LineNumberReader(new InputStreamReader(csvfile));

        // Ignore first X lines
        for (int i = 0; i < ignorelines; i++) {
            String line = reader.readLine();
            if (line == null)
                break;
        }

        // Process input
        log.debug("[" + StringUtils.join(columns, ", ") + "]");
        int lineno = 0;
        while (true) {
            lineno++;
            String line = reader.readLine();
            if (line == null)
                break;
            try {
                String[] cols = StringUtils.split(line, separator);
                if (cols.length > columns.length && !ignorecolumns)
                    log.debug("Ignoring columns: " + (columns.length + 1) + "-" + cols.length + " '" + line
                            + "'");
                log.debug("CVALUES: " + (columns.length + 1) + "-" + cols.length + " '" + line + "'");

                String dmesg = "(";
                for (int i = 0; i < columns.length; i++) {
                    String col = cols[i];
                    // If first column character is '"' strip quotes.
                    if (stripquotes) {
                        int len = col.length();
                        if (len > 1 && ((col.charAt(0) == '"' && col.charAt(len - 1) == '"')
                                || (col.charAt(0) == '\'' && col.charAt(len - 1) == '\'')))
                            col = col.substring(1, len - 1);
                    }
                    if (col != null && col.equals(""))
                        col = null;

                    dmesg = dmesg + col;
                    if (i < columns.length - 1)
                        dmesg = dmesg + ", ";
                    stm.setObject(i + 1, col, datatypes[i]);
                }
                dmesg = dmesg + ")";
                log.debug(dmesg);
                stm.execute();
            } catch (Exception e) {
                conn.rollback();
                throw new OntopiaRuntimeException("Cannot read line " + lineno + ": '" + line + "'", e);
            }
        }
        conn.commit();
    } finally {
        if (conn != null)
            conn.close();
    }
}

---

From source file:org.apache.cocoon.generation.TextGenerator.java

/**
 * Generate XML data.//from   w  w w  . j a  v a  2 s.c  o m
 *
 * @throws IOException
 * @throws ProcessingException
 * @throws SAXException
 */
public void generate() throws IOException, SAXException, ProcessingException {
    InputStreamReader in = null;

    try {
        final InputStream sis = this.inputSource.getInputStream();
        if (sis == null) {
            throw new ProcessingException("Source '" + this.inputSource.getURI() + "' not found");
        }

        if (encoding != null) {
            in = new InputStreamReader(sis, encoding);
        } else {
            in = new InputStreamReader(sis);
        }
    } catch (SourceException se) {
        throw new ProcessingException("Error during resolving of '" + this.source + "'.", se);
    }

    LocatorImpl locator = new LocatorImpl();

    locator.setSystemId(this.inputSource.getURI());
    locator.setLineNumber(1);
    locator.setColumnNumber(1);

    contentHandler.setDocumentLocator(locator);
    contentHandler.startDocument();
    contentHandler.startPrefixMapping("", URI);

    AttributesImpl atts = new AttributesImpl();
    if (localizable) {
        atts.addAttribute("", "source", "source", "CDATA", locator.getSystemId());
        atts.addAttribute("", "line", "line", "CDATA", String.valueOf(locator.getLineNumber()));
        atts.addAttribute("", "column", "column", "CDATA", String.valueOf(locator.getColumnNumber()));
    }

    contentHandler.startElement(URI, "text", "text", atts);

    LineNumberReader reader = new LineNumberReader(in);
    String line;
    String newline = null;

    while (true) {
        if (newline == null) {
            line = convertNonXmlChars(reader.readLine());
        } else {
            line = newline;
        }
        if (line == null) {
            break;
        }
        newline = convertNonXmlChars(reader.readLine());
        if (newline != null) {
            line += SystemUtils.LINE_SEPARATOR;
        }
        locator.setLineNumber(reader.getLineNumber());
        locator.setColumnNumber(1);
        contentHandler.characters(line.toCharArray(), 0, line.length());
        if (newline == null) {
            break;
        }
    }
    reader.close();
    contentHandler.endElement(URI, "text", "text");
    contentHandler.endPrefixMapping("");
    contentHandler.endDocument();
}

---

From source file:com.jkoolcloud.tnt4j.streams.configure.state.AbstractFileStreamStateHandler.java

/**
 * Check if file has persisted state defined line and returns corresponding line number in file.
 *
 * @param file/*w w  w .j a v  a  2s  . co  m*/
 *            file to find line matching CRC
 * @param fileAccessState
 *            persisted streamed files access state
 *
 * @return line number matching CRC, or {@code 0} if line not found
 *
 * @throws IOException
 *             if I/O exception occurs
 */
int checkLine(T file, FileAccessState fileAccessState) throws IOException {
    LineNumberReader reader = null;
    try {
        reader = new LineNumberReader(openFile(file));
        // skip lines until reaching line with number: persisted line number
        // - LINE_SHIFT_TOLERANCE
        int lastAccessedLine = getLastReadLineNumber();

        int startCompareLineIndex = lastAccessedLine - LINE_SHIFT_TOLERANCE;
        int endCompareLineIndex = lastAccessedLine + LINE_SHIFT_TOLERANCE;
        String line;
        int li = 0;
        while (((line = reader.readLine()) != null) && (li <= endCompareLineIndex)) {
            li = reader.getLineNumber();

            if (li >= startCompareLineIndex) {
                if (checkCrc(line, fileAccessState.currentLineCrc)) {
                    return li;
                }
            }
        }
    } finally {
        Utils.close(reader);
    }

    return 0;
}

---

From source file:scott.barleydb.test.TestBase.java

public static void executeScript(String script, boolean continueOnError) throws Exception {
    System.out.println("EXECUTING SCRIPT " + script);
    LineNumberReader in = new LineNumberReader(
            new InputStreamReader(new ClassPathResource(script).getInputStream(), "UTF-8"));
    List<String> statements = new LinkedList<>();
    JdbcTestUtils.splitSqlScript(JdbcTestUtils.readScript(in), ';', statements);
    try (Connection c = dataSource.getConnection();) {
        c.setAutoCommit(false);/*from  w  w  w.j  a  v  a  2 s.co m*/
        try (Statement s = c.createStatement();) {
            for (String line : statements) {
                try {
                    s.addBatch(line);
                } catch (Exception x) {
                    if (!continueOnError) {
                        c.rollback();
                        throw x;
                    }
                    System.err.println(x.getMessage());
                }
            }
            try {
                s.executeBatch();
            } catch (Exception x) {
                if (!continueOnError) {
                    c.rollback();
                    throw x;
                }
                System.err.println(x.getMessage());
            }
            c.commit();
        }
    } catch (Exception x) {
        if (!continueOnError)
            throw x;
    }
    System.out.println("FINISHED EXECUTING SCRIPT " + script);
}

---

From source file:com.smartgwt.extensions.fileuploader.server.TestServiceImpl.java

/**
 * This files a test file that contains a response for all CRUD operations. See example
 * profile.xq.xml file.//from   w w  w.ja va  2  s . c  o  m
 * @param out
 * @param context
 * @param model
 * @param xq
 * @param op
 * @throws Exception
 */
private void getResponse(PrintWriter out, String context, String model, String xq, String op) throws Exception {
    String path = "src/test/webapp/WEB-INF/models/" + model + "/" + xq + ".xml";
    System.out.println("getting datafile " + path);
    LineNumberReader in = null;
    File f = new File(path);
    if (!f.exists()) {
        System.out.println("File not found:" + path);
        out.println("<response>");
        out.println("  <status>1</status");
        out.println("</response>");
        return;
    }
    try {
        String start = "<" + op + ">";
        String end = "</" + op + ">";
        in = new LineNumberReader(new FileReader(f));
        String line = null;
        boolean inOp = false;
        while ((line = in.readLine()) != null) {
            if (line.indexOf(start) > 0)
                inOp = true;
            else if (line.indexOf(end) > 0)
                inOp = false;
            else if (inOp)
                out.println(line);
            //System.out.println(line);
        }
    } catch (FileNotFoundException fnf) {
        throw new Exception(fnf);
    } finally {
        if (in != null)
            try {
                in.close();
            } catch (Exception e) {
            }
        ;
    }
}

---

From source file:FinalProject.Employee_Login.java

private void Submit_ButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_Submit_ButtonActionPerformed
    String Password = Arrays.toString(Password_Input.getPassword());
    String password = Password.replaceAll("\\[", "").replaceAll("\\]", "").replaceAll("\\, ", "");
    String username = Employee_Input.getText();

    try {/*from   w w  w .j a  v  a  2 s . c  o  m*/
        File user = new File("Username.txt");
        File pass = new File("Password.txt");
        Scanner scanner = new Scanner(user);
        FileReader frU = new FileReader(user);
        LineNumberReader u = new LineNumberReader(frU);
        FileReader frP = new FileReader(pass);
        LineNumberReader p = new LineNumberReader(frP);

        int linenumberU = 0;
        while (scanner.hasNextLine() && u.readLine() != null) {
            linenumberU++;
            String lineFromFile = scanner.nextLine();

            if (lineFromFile.contains(username)) // a match!
            {
                break;
            }
        }

        String pssLine = (String) FileUtils.readLines(pass).get(linenumberU - 1);
        String usrLine = (String) FileUtils.readLines(user).get(linenumberU - 1);

        if (username.equals(usrLine) && password.equals(pssLine)) {
            this.setVisible(false);
            Employee_Interface f = new Employee_Interface();
            f.setVisible(true);
            f.ID_Number.setText(usrLine + "!");
        }

        else {
            Error_Message.setVisible(true);
        }

    } catch (FileNotFoundException ex) {
    } catch (IOException ex) {
    }
}

---

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