Example usage for java.io UncheckedIOException UncheckedIOException

Introduction

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

Prototype

public UncheckedIOException(IOException cause)

Source Link

Document

Constructs an instance of this class.

Usage

From source file:com.mgmtp.perfload.perfalyzer.util.IoUtilities.java

/**
 * Reads the last line of the specified file.
 *
 * @param file/*from  ww w .ja v a 2  s .  com*/
 *       the file
 * @param charset
 *       the charset
 */
public static String readLastLine(final File file, final Charset charset) {
    try (RandomAccessFile raf = new RandomAccessFile(file, "r")) {
        long length = raf.length() - 1;

        ByteArrayOutputStream baos = new ByteArrayOutputStream(80);

        for (long pos = length; pos != -1; --pos) { // we start from the end of the file
            raf.seek(pos);

            int readByte = raf.readByte();

            if (readByte == 10) { // this is the case if the file ends with a line-break
                if (pos == length) {
                    continue;
                }
                break;
            } else if (readByte == 13) { // this is the case if the file ends with a line-break (Windows only)
                if (pos == length - 1) {
                    continue;
                }
                break;
            }

            baos.write(readByte);
        }

        byte[] bytes = baos.toByteArray();

        // reverse array because it was filled backwards
        ArrayUtils.reverse(bytes);

        // turn into string respecting the charset
        return new String(bytes, charset);
    } catch (IOException ex) {
        throw new UncheckedIOException(ex);
    }
}

From source file:com.discovery.darchrow.io.FileUtil.java

/**
 * ?.??.<br>//from w  w w  . ja  va  2  s.com
 * {@link java.io.FileInputStream} ????.<br>
 * ??? {@link java.io.FileReader}
 *
 * @param file
 *            ?.
 * @return FileInputStream
 * @see java.io.FileInputStream
 */
public static final FileInputStream getFileInputStream(File file) {
    try {
        // ???? FileNotFoundException.
        FileInputStream fileInputStream = new FileInputStream(file);
        return fileInputStream;
    } catch (FileNotFoundException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:name.wramner.jmstools.analyzer.DataProvider.java

/**
 * Get a base64-encoded image for inclusion in an img tag with a chart with number of produced and consumed messages
 * per minute./*from   www  .j  a  v  a  2  s  .  co  m*/
 *
 * @return chart as base64 string.
 */
public String getBase64MessagesPerMinuteImage() {
    TimeSeries timeSeriesConsumed = new TimeSeries("Consumed");
    TimeSeries timeSeriesProduced = new TimeSeries("Produced");
    TimeSeries timeSeriesTotal = new TimeSeries("Total");
    for (PeriodMetrics m : getMessagesPerMinute()) {
        Minute minute = new Minute(m.getPeriodStart());
        timeSeriesConsumed.add(minute, m.getConsumed());
        timeSeriesProduced.add(minute, m.getProduced());
        timeSeriesTotal.add(minute, m.getConsumed() + m.getProduced());
    }
    TimeSeriesCollection timeSeriesCollection = new TimeSeriesCollection(timeSeriesConsumed);
    timeSeriesCollection.addSeries(timeSeriesProduced);
    timeSeriesCollection.addSeries(timeSeriesTotal);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    try {
        JFreeChart chart = ChartFactory.createTimeSeriesChart("Messages per minute", "Time", "Messages",
                timeSeriesCollection);
        chart.getPlot().setBackgroundPaint(Color.WHITE);
        ChartUtilities.writeChartAsPNG(bos, chart, 1024, 500);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
    return "data:image/png;base64," + Base64.getEncoder().encodeToString(bos.toByteArray());
}

From source file:com.github.blindpirate.gogradle.util.IOUtils.java

public static void chmodAddX(Path filePath) {
    try {// w w  w.j  a v  a 2 s  .c o m
        if (Os.getHostOs() != Os.WINDOWS) {
            Files.setPosixFilePermissions(filePath, PosixFilePermissions.fromString("rwx------"));
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:edu.jhu.hlt.concrete.stanford.ConcreteStanfordRunner.java

public static void prepareInputOutput(Path in, Path out) throws IOException {
    if (!Files.exists(in))
        throw new IOException(in.toString() + " does not exist. Ensure it exists and re-run this program.");

    Optional<Path> outPath = Optional.ofNullable(out.getParent());
    outPath.ifPresent(p -> {/*  ww w  .  j av a2 s  .c  o m*/
        if (!Files.exists(p)) {
            LOGGER.debug("Attempting to create output directory: {}", outPath.toString());
            try {
                Files.createDirectories(p);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
        }
    });
}

From source file:com.github.horrorho.inflatabledonkey.chunk.engine.ChunkListDecrypter.java

void copy(InputStream is, byte[] checksum, ChunkStore store) {
    try {// w  ww  .  j  a  va 2  s  .c om
        Optional<OutputStream> os = store.outputStream(checksum);
        if (os.isPresent()) {
            logger.debug("-- copy() - copying chunk into store: 0x{}", Hex.toHexString(checksum));
            doCopy(is, os.get());
        } else {
            logger.debug("-- copy() - store now already contains chunk: 0x{}", Hex.toHexString(checksum));
        }
    } catch (IOException ex) {
        throw new UncheckedIOException(ex);
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:com.github.blindpirate.gogradle.util.IOUtils.java

public static Path toRealPath(Path path) {
    try {//from w w w  . j a  v  a 2 s  .c om
        return path.toRealPath();
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:org.opendatakit.briefcase.reused.UncheckedFiles.java

public static void append(String content, OutputStreamWriter outputStreamWriter) {
    try {/*from w  w  w. j a v a2s  .  co  m*/
        outputStreamWriter.append(content);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:org.ajoberstar.reckon.core.git.GitInventorySupplier.java

private Optional<Version> findParallel(RevWalk walk, RevCommit head, TaggedVersion candidate,
        Set<RevCommit> tagged) {
    try {//from w ww .  j  ava2s. co m
        walk.reset();
        walk.setRevFilter(RevFilter.MERGE_BASE);
        walk.markStart(head);
        walk.markStart(candidate.getCommit());

        RevCommit mergeBase = walk.next();

        walk.reset();
        walk.setRevFilter(RevFilter.ALL);
        boolean taggedSinceMergeBase = RevWalkUtils.find(walk, head, mergeBase).stream()
                .filter(tagged::contains).findAny().isPresent();

        if (mergeBase != null && !taggedSinceMergeBase && !mergeBase.equals(head)
                && !mergeBase.equals(candidate.getCommit())) {
            return Optional.of(Versions.getNormal(candidate.getVersion()));
        } else {
            return Optional.empty();
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:org.apache.geode.distributed.LauncherIntegrationTestCase.java

protected String getWorkingDirectoryPath() {
    try {//from   w ww  .j a v a  2 s.  c om
        return getWorkingDirectory().getCanonicalPath();
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}