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.dwd.DWDRasterHelper.java

public static DWDRasterGeoLayer loadGeoRaster(final URL url, final String targetEpsg) throws Exception {
    LineNumberReader reader = null;
    try {//from  w  w w .jav  a 2s  .  c  o  m
        reader = new LineNumberReader(new InputStreamReader(url.openStream()));
        String line = null;
        DWDRaster raster = null;
        DWDRaster xRaster = null;
        DWDRaster yRaster = null;
        final double factor = DWDRasterHelper.getFactorForDwdKey(DWDRaster.KEY_100000_LAT);
        final double offset = DWDRasterHelper.getOffsetForDwdKey(DWDRaster.KEY_100000_LAT);
        while ((line = reader.readLine()) != null) {
            final Matcher staticHeaderMatcher = HEADER_STATIC.matcher(line);
            if (staticHeaderMatcher.matches()) {
                if (raster != null && raster.getKey() == DWDRaster.KEY_100000_LAT)
                    yRaster = raster;
                if (raster != null && raster.getKey() == DWDRaster.KEY_100000_LON)
                    xRaster = raster;
                final Date date = DATEFORMAT_RASTER.parse(staticHeaderMatcher.group(1));
                final int key = Integer.parseInt(staticHeaderMatcher.group(2));
                raster = new DWDRaster(date, key);
                continue;
            }

            final String[] values = (line.trim()).split(" +", 13);

            if (raster != null) {
                for (final String value : values)
                    raster.addValue((Double.parseDouble(value) + offset) * factor);
            }

        }
        if (raster != null && raster.getKey() == DWDRaster.KEY_100000_LAT)
            yRaster = raster;
        if (raster != null && raster.getKey() == DWDRaster.KEY_100000_LON)
            xRaster = raster;
        return new DWDRasterGeoLayer(targetEpsg, xRaster, yRaster);
    } finally {
        IOUtils.closeQuietly(reader);
    }
}

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From source file:org.opensha.commons.util.FileUtils.java

/**
 * Prints a Text file//from   w w  w.  j a  v  a 2 s. co  m
 * @param pjob PrintJob  created using getToolkit().getPrintJob(JFrame,String,Properties);
 * @param pg Graphics
 * @param textToPrint String
 */
public static void print(PrintJob pjob, Graphics pg, String textToPrint) {

    int margin = 60;

    int pageNum = 1;
    int linesForThisPage = 0;
    int linesForThisJob = 0;
    // Note: String is immutable so won't change while printing.
    if (!(pg instanceof PrintGraphics)) {
        throw new IllegalArgumentException("Graphics context not PrintGraphics");
    }
    StringReader sr = new StringReader(textToPrint);
    LineNumberReader lnr = new LineNumberReader(sr);
    String nextLine;
    int pageHeight = pjob.getPageDimension().height - margin;
    Font helv = new Font("Monaco", Font.PLAIN, 12);
    //have to set the font to get any output
    pg.setFont(helv);
    FontMetrics fm = pg.getFontMetrics(helv);
    int fontHeight = fm.getHeight();
    int fontDescent = fm.getDescent();
    int curHeight = margin;
    try {
        do {
            nextLine = lnr.readLine();
            if (nextLine != null) {
                if ((curHeight + fontHeight) > pageHeight) {
                    // New Page
                    if (linesForThisPage == 0)
                        break;

                    pageNum++;
                    linesForThisPage = 0;
                    pg.dispose();
                    pg = pjob.getGraphics();
                    if (pg != null) {
                        pg.setFont(helv);
                    }
                    curHeight = 0;
                }
                curHeight += fontHeight;
                if (pg != null) {
                    pg.drawString(nextLine, margin, curHeight - fontDescent);
                    linesForThisPage++;

                    linesForThisJob++;
                }
            }
        } while (nextLine != null);
    } catch (EOFException eof) {
        // Fine, ignore
    } catch (Throwable t) { // Anything else
        t.printStackTrace();
    }
}

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From source file:com.sds.acube.ndisc.xadmin.XNDiscAdminUtil.java

/**
 * XNDisc Admin ? ?//from  w ww  .j a  va  2s .c  o m
 */
private static void readVersionFromFile() {
    XNDiscAdmin_PublishingVersion = "<unknown>";
    XNDiscAdmin_PublishingDate = "<unknown>";
    InputStreamReader isr = null;
    LineNumberReader lnr = null;
    try {
        isr = new InputStreamReader(
                XNDiscAdminUtil.class.getResourceAsStream("/com/sds/acube/ndisc/xadmin/version.txt"));
        if (isr != null) {
            lnr = new LineNumberReader(isr);
            String line = null;
            do {
                line = lnr.readLine();
                if (line != null) {
                    if (line.startsWith("Publishing-Version=")) {
                        XNDiscAdmin_PublishingVersion = line
                                .substring("Publishing-Version=".length(), line.length()).trim();
                    } else if (line.startsWith("Publishing-Date=")) {
                        XNDiscAdmin_PublishingDate = line.substring("Publishing-Date=".length(), line.length())
                                .trim();
                    }
                }
            } while (line != null);
            lnr.close();
        }
    } catch (IOException ioe) {
        XNDiscAdmin_PublishingVersion = "<unknown>";
        XNDiscAdmin_PublishingDate = "<unknown>";
    } finally {
        try {
            if (lnr != null) {
                lnr.close();
            }
            if (isr != null) {
                isr.close();
            }
        } catch (IOException ioe) {
        }
    }
}

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From source file:net.sf.keystore_explorer.crypto.signing.JarSigner.java

private static String getManifestMainAttrs(JarFile jar) throws IOException {

    // Get full manifest content
    String manifestContent = getManifest(jar);

    LineNumberReader lnr = new LineNumberReader(new StringReader(manifestContent));

    try {/*from www  .ja  v  a 2 s . c om*/
        StringBuilder sb = new StringBuilder();

        String line = null;

        // Keep reading until a blank line is found - the end of the main
        // attributes
        while ((line = lnr.readLine()) != null) {
            if (line.trim().length() == 0) {
                break;
            }

            // Append attribute line
            sb.append(line);
            sb.append(CRLF);
        }

        return sb.toString();
    } finally {
        IOUtils.closeQuietly(lnr);
    }
}

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From source file:com.github.javarch.persistence.orm.test.DataBaseTestBuilder.java

private String readNextSqlScript(Resource rs) throws IOException {
    EncodedResource encoded = new EncodedResource(rs);
    LineNumberReader lnr = new LineNumberReader(encoded.getReader());
    String currentStatement = lnr.readLine();
    StringBuilder scriptBuilder = new StringBuilder();
    while (currentStatement != null) {
        if (StringUtils.hasText(currentStatement)
                && (SQL_COMMENT_PREFIX != null && !currentStatement.startsWith(SQL_COMMENT_PREFIX))) {
            if (scriptBuilder.length() > 0) {
                scriptBuilder.append('\n');
            }//from  w  w  w .j a v  a 2  s.c o m
            scriptBuilder.append(currentStatement);
        }
        currentStatement = lnr.readLine();
    }
    return scriptBuilder.toString();
}

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From source file:org.nordapp.web.util.StateReader.java

/**
 * Reads the state file//  w  w w.jav  a2  s  .  c o  m
 * 
 * @param dest The destination of the file
 * @return The list of valid states
 * @throws IOException
 */
public List<String> getState(String dest) throws IOException {

    //Get the resource
    ServiceReference<ResourceService> rsr = context.getServiceReference(ResourceService.class);
    if (rsr == null)
        throw new IOException("The resource service is not available (maybe down or a version conflict).");

    ResourceService rs = context.getService(rsr);
    if (rs == null)
        throw new IOException("The resource service is not available (maybe down or a version conflict).");

    Map<String, String> props = new HashMap<String, String>();
    List<String> list = new ArrayList<String>();

    InputStream in = rs.getResourceAsStream(ctrl.getMandatorID(), ctrl.getGroupID(), ctrl.getArtifactID(), dest,
            ResourceService.FILE_RESOURCE, props);

    //use an input stream that supports mark.
    LineNumberReader r = new LineNumberReader(new InputStreamReader(in));
    String line = r.readLine();
    while (line != null) {
        line = line.trim();
        //skip empty lines and comments
        if (!(line.equals("") || line.startsWith("#"))) {
            list.add(line);
        }
        line = r.readLine();
    }

    return list;
}

---

From source file:org.springframework.xd.jdbc.SingleTableDatabaseInitializer.java

private Resource substitutePlaceholdersForResource(Resource resource) {

    StringBuilder script = new StringBuilder();

    try {/*  w  w w. j a v  a 2 s  . c o m*/
        EncodedResource er = new EncodedResource(resource);
        LineNumberReader lnr = new LineNumberReader(er.getReader());
        String line = lnr.readLine();
        while (line != null) {
            if (tableName != null && line.contains(TABLE_PLACEHOLDER)) {
                logger.debug(
                        "Substituting '" + TABLE_PLACEHOLDER + "' with '" + tableName + "' in '" + line + "'");
                line = line.replace(TABLE_PLACEHOLDER, tableName);
            }
            if (line.contains(COLUMNS_PLACEHOLDER)) {
                logger.debug(
                        "Substituting '" + COLUMNS_PLACEHOLDER + "' with '" + columns + "' in '" + line + "'");
                line = line.replace(COLUMNS_PLACEHOLDER, columns);
            }
            script.append(line + "\n");
            line = lnr.readLine();
        }
        lnr.close();
        return new ByteArrayResource(script.toString().getBytes());
    } catch (IOException e) {
        throw new InvalidDataAccessResourceUsageException("Unable to read script " + resource, e);
    }
}

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From source file:org.kalypso.dwd.DWDRasterHelper.java

public static DWDObservationRaster loadObservationRaster(final URL url, final int dwdKey) throws Exception {
    final double factor = getFactorForDwdKey(dwdKey);
    final double offset = getOffsetForDwdKey(dwdKey);
    final String unit = getUnitForDwdKey(dwdKey);

    LineNumberReader lineNumberReader = null;
    try {// ww  w.ja va2s . co  m
        /* Create the reader. */
        InputStream inputStream = IOUtilities.getInputStream(url);
        InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
        lineNumberReader = new LineNumberReader(inputStreamReader);

        int lmVersion = 0;
        String line = null;
        DWDObservationRaster raster = null;
        long blockDate = -1;
        int cellpos = 0;
        boolean rightBlock = false; // Is only used by the dynamic header (lmVersion = 1)
        while ((line = lineNumberReader.readLine()) != null) {
            final Matcher dynamicHeaderMatcher = HEADER_DYNAMIC.matcher(line);
            if (dynamicHeaderMatcher.matches()) // lm1
            {
                final Date startDate = DATEFORMAT_RASTER.parse(dynamicHeaderMatcher.group(1));
                final Calendar startCal = Calendar.getInstance();
                startCal.setTime(startDate);
                final int key = Integer.parseInt(dynamicHeaderMatcher.group(2));
                final int hour = Integer.parseInt(dynamicHeaderMatcher.group(3));

                startCal.add(Calendar.HOUR_OF_DAY, hour + 1);
                blockDate = startCal.getTimeInMillis();

                if (key == dwdKey) {
                    rightBlock = true;
                    if (raster == null) // if not already loading
                        raster = new DWDObservationRaster(key, unit);
                } else
                    rightBlock = false; // wrong key, but reading the file must be continued, the key can appear again

                lmVersion = 1;
                cellpos = 0;
                continue;
            }

            final Matcher staticHeaderMatcher = HEADER_STATIC.matcher(line);
            if (staticHeaderMatcher.matches()) // lm2 ??
            {
                // TODO: this is stil not the correct way to parse the date...
                // Google, how to do it correctly...
                blockDate = DATEFORMAT_RASTER.parse(staticHeaderMatcher.group(1)).getTime();
                final int key = Integer.parseInt(staticHeaderMatcher.group(2));

                if (key == dwdKey)
                    raster = new DWDObservationRaster(key, unit);
                else if (raster != null)
                    return raster;

                lmVersion = 2;
                cellpos = 0;
                continue;
            }

            if (raster == null)
                continue;

            /* If we are reading lmVersion = 1 and we have a wrong key, continue. */
            if (lmVersion == 1 && rightBlock == false)
                continue;

            switch (lmVersion) {
            case 1: {
                final String[] values = readValues(line, 5); // Do not trim the line...
                for (final String value2 : values) {
                    final double value = Double.parseDouble(value2);
                    raster.setValueFor(new Date(blockDate), cellpos, (value + offset) * factor);
                    cellpos++;
                }
                break;
            }

            case 2: {
                /* One line represents all 78 values for one position. */
                final String[] values = readValues(line, 5); // Do not trim the line...
                final Calendar valueDate = Calendar.getInstance();
                valueDate.setTimeInMillis(blockDate);
                for (final String valueStr : values) {
                    valueDate.add(Calendar.HOUR_OF_DAY, 1); // starting with hour 1, so add first here!
                    final double value = Double.parseDouble(valueStr);
                    raster.setValueFor(valueDate.getTime(), cellpos, (value + offset) * factor);
                }

                cellpos++;
                break;
            }
            }
        }

        return raster;
    } finally {
        IOUtils.closeQuietly(lineNumberReader);
    }
}

---

From source file:com.esd.vs.interceptor.LoginInterceptor.java

public String getMACAddress(String ip) {
    String str = "";
    String macAddress = "";
    try {/* w ww.  j  a  va  2s  . c o m*/
        Process p = Runtime.getRuntime().exec("nbtstat -A " + ip);
        InputStreamReader ir = new InputStreamReader(p.getInputStream());
        LineNumberReader input = new LineNumberReader(ir);
        for (int i = 1; i < 100; i++) {
            str = input.readLine();
            if (str != null) {
                if (str.indexOf("MAC Address") > 1) {
                    macAddress = str.substring(str.indexOf("MAC Address") + 14, str.length());
                    break;
                }
            }
        }
    } catch (IOException e) {
        e.printStackTrace(System.out);
    }
    return macAddress;
}

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From source file:com.hs.mail.web.util.DataImporter.java

public void importAccount(UserManager manager, InputStream is) throws IOException {
    LineNumberReader reader = new LineNumberReader(new InputStreamReader(is));
    String line;/*  w  ww .  java  2  s  .  com*/
    while ((line = reader.readLine()) != null) {
        try {
            User user = parseAccount(line);
            manager.addUser(user);
        } catch (Exception e) {
            addError(reader.getLineNumber(), line, e);
        }
    }
}

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