Java CloserUtil类代码示例

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
/**
 * Prepare to parse a CIF or CNF file.
 * @param file The file to be parsed.
 */
public ClusterIntensityFileReader(final File file) {
    try {
        this.file = file;
        final FileInputStream is = new FileInputStream(this.file);
        final FileChannel channel = is.getChannel();
        final long fileSize = channel.size();
        buf = channel.map(FileChannel.MapMode.READ_ONLY, 0, fileSize);
        buf.order(ByteOrder.LITTLE_ENDIAN);
        CloserUtil.close(channel);
        CloserUtil.close(is);
        final byte [] headerBytes = new byte[HEADER_SIZE];
        buf.get(headerBytes);
        this.header = new ClusterIntensityFileHeader(headerBytes, this.file);
    } catch (IOException e) {
        throw new PicardException("IOException opening cluster intensity file " + file, e);
    }
    cycleSize = NUM_CHANNELS * header.numClusters * header.elementSize;
    channelSize = header.numClusters * header.elementSize;
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
public static ClusterIntensityFileHeader readHeaders(final File intensityFile) {
    FileInputStream reader = null;
    byte [] headerBytes = new byte[HEADER_SIZE];
    int bytesRead = 0;
    try {
        reader = new FileInputStream(intensityFile);
        bytesRead = reader.read(headerBytes);
    } catch(FileNotFoundException fnfExc) {
        throw new PicardException("Error opening intensity file (" + intensityFile.getAbsolutePath() +")", fnfExc);
    } catch(IOException ioExc) {
        throw new PicardException("Error reading values from header for intensity file (" + intensityFile.getAbsolutePath() + ")", ioExc);
    } finally {
        CloserUtil.close(reader);
    }

    if(bytesRead != HEADER_SIZE)
        throw new PicardException("Error reading intensity file header, too few bytes read, expected( " + HEADER_SIZE + ") read(" + bytesRead + ")");

    return new ClusterIntensityFileHeader(headerBytes, intensityFile);
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
TileIndex(final File tileIndexFile) {
    try {
        this.tileIndexFile = tileIndexFile;
        final InputStream is = IOUtil.maybeBufferInputStream(new FileInputStream(tileIndexFile));
        final ByteBuffer buf = ByteBuffer.allocate(8);
        buf.order(ByteOrder.LITTLE_ENDIAN);
        int absoluteRecordIndex = 0;
        int numTiles = 0;
        while (readTileIndexRecord(buf.array(), buf.capacity(), is)) {
            buf.rewind();
            buf.limit(buf.capacity());
            final int tile = buf.getInt();
            // Note: not handling unsigned ints > 2^31, but could if one of these exceptions is thrown.
            if (tile < 0) throw new PicardException("Tile number too large in " + tileIndexFile.getAbsolutePath());
            final int numClusters = buf.getInt();
            if (numClusters < 0) throw new PicardException("Cluster size too large in " + tileIndexFile.getAbsolutePath());
            tiles.add(new TileIndexRecord(tile, numClusters, absoluteRecordIndex, numTiles++));
            absoluteRecordIndex += numClusters;
        }
        CloserUtil.close(is);
    } catch (final IOException e) {
        throw new PicardException("Problem reading " + tileIndexFile.getAbsolutePath(), e);
    }
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
public void fakeBciFile(final File bci, final List<Integer> expectedTiles) throws IOException {
    tiles = expectedTiles;
    final FileOutputStream fileOutputStream = new FileOutputStream(bci);
    final FileChannel channel = fileOutputStream.getChannel();
    final ByteBuffer buffer = ByteBuffer.allocate(8 * expectedTiles.size());
    buffer.order(ByteOrder.LITTLE_ENDIAN);

    fakeFile(buffer);
    buffer.flip();

    channel.write(buffer);
    channel.force(true);

    CloserUtil.close(channel);
    CloserUtil.close(fileOutputStream);
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
private static ByteBuffer getBuffer(final File binaryFile) {
    final ByteBuffer buf;
    try {
        final FileInputStream is = new FileInputStream(binaryFile);
        final FileChannel channel = is.getChannel();
        final long fileSize = channel.size();
        buf = channel.map(FileChannel.MapMode.READ_ONLY, 0, fileSize);
        buf.order(ByteOrder.LITTLE_ENDIAN);
        CloserUtil.close(channel);
        CloserUtil.close(is);
    } catch (IOException e) {
        throw new PicardException("IOException opening cluster binary file " + binaryFile, e);
    }

    return buf;
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
/**
 * Return the list of tiles we would expect for this lane based on the metrics found in InterOp/TileMetricsOut.bin
 */
public List<Integer> getExpectedTiles() {
    IOUtil.assertFileIsReadable(tileMetricsOut);
    //Used just to ensure predictable ordering
    final TreeSet<Integer> expectedTiles = new TreeSet<>();

    final Iterator<TileMetricsOutReader.IlluminaTileMetrics> tileMetrics = new TileMetricsOutReader(tileMetricsOut, TileMetricsOutReader.TileMetricsVersion.TWO);
    while (tileMetrics.hasNext()) {
        final TileMetricsOutReader.IlluminaTileMetrics tileMetric = tileMetrics.next();

        if (tileMetric.getLaneNumber() == lane &&
                !expectedTiles.contains(tileMetric.getTileNumber())) {
            expectedTiles.add(tileMetric.getTileNumber());
        }
    }

    CloserUtil.close(tileMetrics);
    return new ArrayList<>(expectedTiles);
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
/**
 * Simple implementation of a gather operations that uses SAMFileReaders and Writers in order to concatenate
 * multiple BAM files.
 */
private static void gatherNormally(final List<File> inputs, final File output, final boolean createIndex, final boolean createMd5,
                                   final File referenceFasta) {
    final SAMFileHeader header;
    {
        header = SamReaderFactory.makeDefault().referenceSequence(referenceFasta).getFileHeader(inputs.get(0));
    }

    final SAMFileWriter out = new SAMFileWriterFactory().setCreateIndex(createIndex).setCreateMd5File(createMd5).makeSAMOrBAMWriter(header, true, output);

    for (final File f : inputs) {
        log.info("Gathering " + f.getAbsolutePath());
        final SamReader in = SamReaderFactory.makeDefault().referenceSequence(referenceFasta).open(f);
        for (final SAMRecord rec : in) out.addAlignment(rec);
        CloserUtil.close(in);
    }

    out.close();
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
protected int doWork() {
    IOUtil.assertFileIsReadable(INPUT);
    IOUtil.assertFileIsWritable(OUTPUT);
    final SamReader reader = SamReaderFactory.makeDefault().referenceSequence(REFERENCE_SEQUENCE).open(INPUT);

    if (reader.getFileHeader().getSortOrder() != SAMFileHeader.SortOrder.coordinate) {
        throw new SAMException("Input must be coordinate-sorted for this program to run. Found: " + reader.getFileHeader().getSortOrder());
    }

    final SAMFileWriter writer = new SAMFileWriterFactory().makeSAMOrBAMWriter(reader.getFileHeader(), true, OUTPUT);
    writer.setProgressLogger(
            new ProgressLogger(log, (int) 1e7, "Wrote", "records"));

    final ReferenceSequenceFileWalker refSeqWalker = new ReferenceSequenceFileWalker(REFERENCE_SEQUENCE);

    StreamSupport.stream(reader.spliterator(), false)
            .peek(rec -> fixRecord(rec, refSeqWalker))
            .forEach(writer::addAlignment);
    CloserUtil.close(reader);
    writer.close();
    return 0;
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
protected int doWork() {
    IOUtil.assertFileIsReadable(INPUT);
    IOUtil.assertFileIsWritable(OUTPUT);
    final SamReader reader = SamReaderFactory.makeDefault().referenceSequence(REFERENCE_SEQUENCE).open(INPUT);
    final SAMFileWriter writer = new SAMFileWriterFactory().makeWriter(reader.getFileHeader(), true, OUTPUT, REFERENCE_SEQUENCE);

    if (CREATE_INDEX && writer.getFileHeader().getSortOrder() != SAMFileHeader.SortOrder.coordinate) {
        throw new PicardException("Can't CREATE_INDEX unless sort order is coordinate");
    }

    final ProgressLogger progress = new ProgressLogger(Log.getInstance(SamFormatConverter.class));
    for (final SAMRecord rec : reader) {
        writer.addAlignment(rec);
        progress.record(rec);
    }
    CloserUtil.close(reader);
    writer.close();
    return 0;
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
protected int doWork() {
    IOUtil.assertFileIsReadable(INPUT);
    IOUtil.assertFileIsWritable(OUTPUT);
    final SamReader reader = SamReaderFactory.makeDefault().referenceSequence(REFERENCE_SEQUENCE).open(INPUT);
    ;
    reader.getFileHeader().setSortOrder(SORT_ORDER.getSortOrder());
    final SAMFileWriter writer = new SAMFileWriterFactory().makeSAMOrBAMWriter(reader.getFileHeader(), false, OUTPUT);
    writer.setProgressLogger(
            new ProgressLogger(log, (int) 1e7, "Wrote", "records from a sorting collection"));

    final ProgressLogger progress = new ProgressLogger(log, (int) 1e7, "Read");
    for (final SAMRecord rec : reader) {
        writer.addAlignment(rec);
        progress.record(rec);
    }

    log.info("Finished reading inputs, merging and writing to output now.");

    CloserUtil.close(reader);
    writer.close();
    return 0;
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
/**
 * Do the work after command line has been parsed. RuntimeException may be
 * thrown by this method, and are reported appropriately.
 *
 * @return program exit status.
 */
@Override
protected int doWork() {
    for (int i = 0; i < samFiles.size(); ++i) {
        samReaders[i] = SamReaderFactory.makeDefault().referenceSequence(REFERENCE_SEQUENCE).open(samFiles.get(i));
    }
    areEqual = compareHeaders();
    areEqual = compareAlignments() && areEqual;
    printReport();
    if (!areEqual) {
        System.out.println("SAM files differ.");
    } else {
        System.out.println("SAM files match.");
    }
    CloserUtil.close(samReaders);
    return 0;
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
private void standardReheader(final SAMFileHeader replacementHeader) {
    final SamReader recordReader = SamReaderFactory.makeDefault().referenceSequence(REFERENCE_SEQUENCE).validationStringency(ValidationStringency.SILENT).open(INPUT);
    if (replacementHeader.getSortOrder() != recordReader.getFileHeader().getSortOrder()) {
        throw new PicardException("Sort orders of INPUT (" + recordReader.getFileHeader().getSortOrder().name() +
                ") and HEADER (" + replacementHeader.getSortOrder().name() + ") do not agree.");
    }
    final SAMFileWriter writer = new SAMFileWriterFactory().makeSAMOrBAMWriter(replacementHeader, true, OUTPUT);

    final ProgressLogger progress = new ProgressLogger(Log.getInstance(ReplaceSamHeader.class));
    for (final SAMRecord rec : recordReader) {
        rec.setHeader(replacementHeader);
        writer.addAlignment(rec);
        progress.record(rec);
    }
    writer.close();
    CloserUtil.close(recordReader);
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
/**
 * Confirm that unsorted input can result in coordinate sorted output, with index created.
 */
@Test
public void unsortedInputSortedOutputTest() throws Exception {
    final File unsortedInputTestDataDir = new File(TEST_DATA_DIR, "unsorted_input");
    final File mergedOutput = File.createTempFile("unsortedInputSortedOutputTest.", BamFileIoUtils.BAM_FILE_EXTENSION);
    mergedOutput.deleteOnExit();
    final String[] args = {
            "I=" + new File(unsortedInputTestDataDir, "1.sam").getAbsolutePath(),
            "I=" + new File(unsortedInputTestDataDir, "2.sam").getAbsolutePath(),
            "O=" + mergedOutput.getAbsolutePath(),
            "SO=coordinate"
    };
    final int mergeExitStatus = runPicardCommandLine(args);
    Assert.assertEquals(mergeExitStatus, 0);
    final SamReader reader = SamReaderFactory.makeDefault().open(mergedOutput);
    Assert.assertEquals(reader.getFileHeader().getSortOrder(), SAMFileHeader.SortOrder.coordinate);

    new ValidateSamTester().assertSamValid(mergedOutput);
    CloserUtil.close(reader);
}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
@Override
public int doWork(final List<String> args) {
	try
		{
		if(this.component.initialize()!=0) return -1;
		return doVcfToVcf(args, this.outputFile);
		}
	catch(final Exception err)
		{
		LOG.error(err);
		return -1;
		}
	finally
		{
		CloserUtil.close(this.component);
		}
	}
 

import htsjdk.samtools.util.CloserUtil; //导入依赖的package包/类
@Override
public int doWork(final List<String> args) {
	try 
		{			
		if(this.component.initialize()!=0) {
			LOG.error("Cannot initialize");
			return -1;
			}
		return doVcfToVcf(args, this.outputFile);
		}
	catch(final Exception err)
		{
		LOG.error(err);
		return -1;
		}
	finally
		{
		CloserUtil.close(this.component);
		}
	}