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.intermine.install.properties.MinePropertiesLoader.java

/**
 * Write out the mine's user configuration properties file. This bases its format
 * on the file as it exists in the Intermine user home directory, writing lines verbatim
 * except for those where it has been supplied a property value. If no such file exists,
 * a standard template is used as the basis.
 * /*from  www .ja  va2s. c  o  m*/
 * @param mineName The name of the mine.
 * @param props The mine's user configuration properties.
 * 
 * @throws IOException if there is a problem performing the write.
 */
public static void saveProperties(String mineName, Properties props) throws IOException {
    File minePropertiesFile = getMinePropertiesFile(mineName);
    File mineBackupFile = null;

    Reader sourceReader;

    if (minePropertiesFile.exists()) {

        mineBackupFile = new File(minePropertiesFile.getParentFile(), minePropertiesFile.getName() + "~");

        if (mineBackupFile.exists()) {
            mineBackupFile.delete();
        }

        boolean ok = minePropertiesFile.renameTo(mineBackupFile);
        if (!ok) {
            throw new IOException("Failed to create backup file for " + minePropertiesFile.getAbsolutePath());
        }

        sourceReader = new FileReader(mineBackupFile);

    } else {
        if (intermineUserHome.exists()) {
            if (!intermineUserHome.isDirectory()) {
                throw new IOException(intermineUserHome.getAbsolutePath() + " is not a directory.");
            }
        } else {
            boolean ok = intermineUserHome.mkdir();
            if (!ok) {
                throw new IOException("Failed to create directory " + intermineUserHome.getAbsolutePath());
            }
        }

        InputStream in = MinePropertiesLoader.class.getResourceAsStream(PROPERTIES_TEMPLATE);
        if (in == null) {
            throw new FileNotFoundException(PROPERTIES_TEMPLATE);
        }
        sourceReader = new InputStreamReader(in);
    }

    LineNumberReader reader = new LineNumberReader(sourceReader);
    try {
        PrintWriter writer = new PrintWriter(new FileWriter(minePropertiesFile));
        try {
            String line;
            while ((line = reader.readLine()) != null) {
                Matcher m = PROPERTY_PATTERN.matcher(line);
                if (m.matches()) {
                    String key = m.group(1);
                    if (props.containsKey(key)) {
                        writer.print(key);
                        writer.print('=');
                        writer.println(props.get(key));
                    } else {
                        writer.println(line);
                    }
                } else {
                    writer.println(line);
                }
            }
        } finally {
            writer.close();
        }
    } finally {
        reader.close();
    }
}

From source file:org.fuin.owndeb.commons.DebUtils.java

/**
 * Returns the string as list./*ww w.  jav  a 2  s .  c o  m*/
 * 
 * @param str
 *            String to split into lines.
 * 
 * @return List of lines.
 */
public static final List<String> asList(final String str) {
    try {
        final List<String> lines = new ArrayList<String>();
        final LineNumberReader reader = new LineNumberReader(new StringReader(str));
        String line;
        while ((line = reader.readLine()) != null) {
            lines.add(line);
        }
        return lines;
    } catch (final IOException ex) {
        throw new RuntimeException("Error creating string list", ex);
    }
}

From source file:net.sf.keystore_explorer.crypto.csr.pkcs10.Pkcs10Util.java

/**
 * Load a PKCS #10 CSR from the specified stream. The encoding of the CSR
 * may be PEM or DER./*from   www. ja  v  a 2s . c o  m*/
 *
 * @param is
 *            Stream to load CSR from
 * @return The CSR
 * @throws IOException
 *             An I/O error occurred
 */
public static PKCS10CertificationRequest loadCsr(InputStream is) throws IOException {
    byte[] streamContents = ReadUtil.readFully(is);

    byte[] csrBytes = null;
    LineNumberReader lnr = null;

    // Assume file is PEM until we find out otherwise
    try {
        lnr = new LineNumberReader(new InputStreamReader(new ByteArrayInputStream(streamContents)));

        String line = lnr.readLine();
        StringBuffer sbPem = new StringBuffer();

        if ((line != null) && ((line.equals(BEGIN_CSR_FORM_1) || line.equals(BEGIN_CSR_FORM_2)))) {
            while ((line = lnr.readLine()) != null) {
                if (line.equals(END_CSR_FORM_1) || line.equals(END_CSR_FORM_2)) {
                    csrBytes = Base64.decode(sbPem.toString());
                    break;
                }

                sbPem.append(line);
            }
        }
    } finally {
        IOUtils.closeQuietly(lnr);
    }

    // Not PEM - must be DER encoded
    if (csrBytes == null) {
        csrBytes = streamContents;
    }

    PKCS10CertificationRequest csr = new PKCS10CertificationRequest(csrBytes);

    return csr;
}

From source file:be.jacobsvanroy.springsqlunit.util.ScriptUtils.java

/**
 * Read a script from the provided {@code LineNumberReader}, using the supplied
 * comment prefix and statement separator, and build a {@code String} containing
 * the lines./*w w  w.  j ava  2  s .com*/
 * <p>Lines <em>beginning</em> with the comment prefix are excluded from the
 * results; however, line comments anywhere else &mdash; for example, within
 * a statement &mdash; will be included in the results.
 *
 * @param lineNumberReader the {@code LineNumberReader} containing the script
 *                         to be processed
 * @param commentPrefix    the prefix that identifies comments in the SQL script &mdash;
 *                         typically "--"
 * @param separator        the statement separator in the SQL script &mdash; typically ";"
 * @return a {@code String} containing the script lines
 * @throws IOException in case of I/O errors
 */
public static String readScript(LineNumberReader lineNumberReader, String commentPrefix, String separator)
        throws IOException {
    String currentStatement = lineNumberReader.readLine();
    StringBuilder scriptBuilder = new StringBuilder();
    while (currentStatement != null) {
        if (commentPrefix != null && !currentStatement.startsWith(commentPrefix)) {
            if (scriptBuilder.length() > 0) {
                scriptBuilder.append('\n');
            }
            scriptBuilder.append(currentStatement);
        }
        currentStatement = lineNumberReader.readLine();
    }
    appendSeparatorToScriptIfNecessary(scriptBuilder, separator);
    return scriptBuilder.toString();
}

From source file:org.apache.pig.scripting.Pig.java

private static String getScriptFromFile(String filename) throws IOException {
    LineNumberReader rd = new LineNumberReader(new FileReader(filename));
    StringBuilder sb = new StringBuilder();
    try {/*w  w w.java2s .  c om*/
        String line = rd.readLine();
        while (line != null) {
            sb.append(line);
            sb.append("\n");
            line = rd.readLine();
        }
    } finally {
        rd.close();
    }
    return sb.toString();
}

From source file:org.kalypso.model.wspm.core.imports.ImportTrippleHelper.java

/**
 * Imports the profile trippel data and converts it into IProfils
 * /*ww  w .  j ava2 s  .co  m*/
 * @param trippleFile
 *          file with profile tripples
 */
public static IProfile[] importTrippelData(final File trippleFile, final String separator,
        final String profileType, final String crs) throws CoreException {
    final IProfilePointPropertyProvider provider = KalypsoModelWspmCoreExtensions
            .getPointPropertyProviders(profileType);

    final IComponent rechtswert = provider.getPointProperty(IWspmPointProperties.POINT_PROPERTY_RECHTSWERT);
    final IComponent hochwert = provider.getPointProperty(IWspmPointProperties.POINT_PROPERTY_HOCHWERT);

    if (trippleFile == null)
        return new IProfile[0];

    /* read profiles, show warnings */
    final List<IProfile> profiles = new ArrayList<>();
    IProfile currentProfile = null;

    /* file loading */
    LineNumberReader fileReader = null;

    try (InputStreamReader inputReader = new InputStreamReader(new FileInputStream(trippleFile))) {
        fileReader = new LineNumberReader(inputReader);

        /* File Header */
        fileReader.readLine();

        IProfileRecord lastPoint = null;
        while (fileReader.ready()) {
            final String line = fileReader.readLine();
            if (line == null) {
                break;
            }

            /* ignore empty lines */
            if (StringUtils.isBlank(line)) {
                continue;
            }

            /* trippel-format should be: station, x, y, z */
            final String[] tokens = StringUtils.split(line, separator);

            /* continue just if there are enough values in the trippel file */
            if (tokens.length != 4) {
                // FIXME: better error handling
                // inform the user that his profile has not enough values...
                final String message = Messages.getString(
                        "org.kalypso.model.wspm.core.imports.ImportTrippleHelper.0", //$NON-NLS-1$
                        fileReader.getLineNumber());
                final IStatus status = new Status(IStatus.ERROR, KalypsoModelWspmCorePlugin.getID(), message);
                throw new CoreException(status);
            }

            try {
                /* first value = profile station */
                final double station = NumberUtils.parseDouble(tokens[0]);
                final BigDecimal currentStation = ProfileUtil.stationToBigDecimal(station);

                final BigDecimal currentProfileStation = currentProfile == null ? null
                        : ProfileUtil.stationToBigDecimal(currentProfile.getStation());

                if (!ObjectUtils.equals(currentStation, currentProfileStation)) {
                    lastPoint = null;

                    currentProfile = ProfileFactory.createProfil(profileType, null);

                    currentProfile.setStation(station);
                    currentProfile.setName(
                            Messages.getString("org.kalypso.model.wspm.core.imports.ImportTrippleHelper.1")); //$NON-NLS-1$
                    currentProfile.setDescription(
                            Messages.getString("org.kalypso.model.wspm.core.imports.ImportTrippleHelper.2")); //$NON-NLS-1$
                    currentProfile.setSrsName(crs);

                    currentProfile.addPointProperty(rechtswert);
                    currentProfile.addPointProperty(hochwert);

                    profiles.add(currentProfile);
                }

                final IProfileRecord point = ImportTrippleHelper.createProfilePoint(currentProfile, tokens,
                        lastPoint);
                if (point != null) {
                    currentProfile.addPoint(point);
                }

                lastPoint = point;
            } catch (final NumberFormatException e) {
                e.printStackTrace();
                final String message = Messages.getString(
                        "org.kalypso.model.wspm.core.imports.ImportTrippleHelper.3", //$NON-NLS-1$
                        fileReader.getLineNumber());
                final IStatus status = new Status(IStatus.ERROR, KalypsoModelWspmCorePlugin.getID(), message,
                        e);
                throw new CoreException(status);
            }
        }

        fileReader.close();
    } catch (final IOException e) {
        e.printStackTrace();

        final int lineNumber = fileReader == null ? 0 : fileReader.getLineNumber();

        final String message = Messages.getString("org.kalypso.model.wspm.core.imports.ImportTrippleHelper.4", //$NON-NLS-1$
                lineNumber);
        final IStatus status = new Status(IStatus.ERROR, KalypsoModelWspmCorePlugin.getID(), message, e);
        throw new CoreException(status);
    }

    return profiles.toArray(new IProfile[profiles.size()]);
}

From source file:com.sds.acube.ndisc.xmigration.util.XNDiscMigUtil.java

/**
 * XMigration ? ?/* www .  j  a  v a 2  s .c om*/
 */
private static void readVersionFromFile() {
    XMigration_PublishingVersion = "<unknown>";
    XMigration_PublishingDate = "<unknown>";
    InputStreamReader isr = null;
    LineNumberReader lnr = null;
    try {
        isr = new InputStreamReader(
                XNDiscMigUtil.class.getResourceAsStream("/com/sds/acube/ndisc/xmigration/version.txt"));
        if (isr != null) {
            lnr = new LineNumberReader(isr);
            String line = null;
            do {
                line = lnr.readLine();
                if (line != null) {
                    if (line.startsWith("Publishing-Version=")) {
                        XMigration_PublishingVersion = line
                                .substring("Publishing-Version=".length(), line.length()).trim();
                    } else if (line.startsWith("Publishing-Date=")) {
                        XMigration_PublishingDate = line.substring("Publishing-Date=".length(), line.length())
                                .trim();
                    }
                }
            } while (line != null);
            lnr.close();
        }
    } catch (IOException ioe) {
        XMigration_PublishingVersion = "<unknown>";
        XMigration_PublishingDate = "<unknown>";
    } finally {
        try {
            if (lnr != null) {
                lnr.close();
            }
            if (isr != null) {
                isr.close();
            }
        } catch (IOException ioe) {
        }
    }
}

From source file:com.github.magicsky.sya.checkers.TestSourceReader.java

/**
 * Reads a section in comments form the source of the given class. The section
 * is started with '// {tag}' and ends with the first line not started by '//'
 *
 * @since 4.0/* w  w  w. j a v  a2 s  .com*/
 */
public static String readTaggedComment(Bundle bundle, String srcRoot, Class clazz, final String tag)
        throws IOException {
    IPath filePath = new Path(srcRoot + '/' + clazz.getName().replace('.', '/') + ".java");

    InputStream in = FileLocator.openStream(bundle, filePath, false);
    LineNumberReader reader = new LineNumberReader(new InputStreamReader(in));
    boolean found = false;
    final StringBuilder content = new StringBuilder();
    try {
        String line = reader.readLine();
        while (line != null) {
            line = line.trim();
            if (line.startsWith("//")) {
                line = line.substring(2);
                if (found) {
                    content.append(line);
                    content.append('\n');
                } else {
                    line = line.trim();
                    if (line.startsWith("{" + tag)) {
                        if (line.length() == tag.length() + 1
                                || !Character.isJavaIdentifierPart(line.charAt(tag.length() + 1))) {
                            found = true;
                        }
                    }
                }
            } else if (found) {
                break;
            }
            line = reader.readLine();
        }
    } finally {
        reader.close();
    }
    Assert.assertTrue("Tag '" + tag + "' is not defined inside of '" + filePath + "'.", found);
    return content.toString();
}

From source file:edu.stanford.muse.index.NEROld.java

public static void readLocationsFreebase() throws IOException {
    InputStream is = new GZIPInputStream(NER.class.getClassLoader().getResourceAsStream("locations.gz"));
    LineNumberReader lnr = new LineNumberReader(new InputStreamReader(is, "UTF-8"));
    while (true) {
        String line = lnr.readLine();
        if (line == null)
            break;
        StringTokenizer st = new StringTokenizer(line, "\t");
        if (st.countTokens() == 3) {
            String locationName = st.nextToken();
            String canonicalName = locationName.toLowerCase();
            String lat = st.nextToken();
            String longi = st.nextToken();
            locations.put(canonicalName, new LocationInfo(locationName, lat, longi));
        }//from   w  w w .  j  ava2s  . co m
    }
}

From source file:com.sds.acube.ndisc.xnapi.XNApiUtils.java

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