Package org.apache.commons.compress.compressors

Examples of org.apache.commons.compress.compressors.CompressorInputStream

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        final File f = dropExtension(file);
        final File tempFile = File.createTempFile(dropExtension(f).getName(), getExtension(f));
        tempFile.deleteOnExit();
        BufferedInputStream in = null;
        FileOutputStream out = null;
        CompressorInputStream compressorIn = null;
        try {
            in = new BufferedInputStream(new FileInputStream(file));
            out = new FileOutputStream(tempFile);
            compressorIn = new CompressorStreamFactory().createCompressorInputStream(in);
            final byte[] buffer = new byte[1024];
            int i;
            while ((i = compressorIn.read(buffer)) != -1) {
                out.write(buffer, 0, i);
            }
        } catch (CompressorException e) {
            throw new IOException(e);
        } finally {
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    }

    private static MediaType detectCompressorFormat(byte[] prefix, int length) {
        try {
            CompressorStreamFactory factory = new CompressorStreamFactory();
            CompressorInputStream cis = factory.createCompressorInputStream(
                    new ByteArrayInputStream(prefix, 0, length));
            try {
                return CompressorParser.getMediaType(cis);
            } finally {
                IOUtils.closeQuietly(cis);
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        if (source.lastModified() > dest.lastModified()) {
            log("Expanding " + source.getAbsolutePath() + " to "
                + dest.getAbsolutePath());

            FileOutputStream out = null;
            CompressorInputStream zIn = null;
            InputStream fis = null;
            try {
                out = new FileOutputStream(dest);
                zIn = StreamHelper.getInputStream(factory, srcResource);
                if (zIn == null) {
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        stream = new CloseShieldInputStream(stream);

        // Ensure that the stream supports the mark feature
        stream = new BufferedInputStream(stream);

        CompressorInputStream cis;
        try {
            CompressorStreamFactory factory = new CompressorStreamFactory();
            cis = factory.createCompressorInputStream(stream);
        } catch (CompressorException e) {
            throw new TikaException("Unable to uncompress document stream", e);
        }

        MediaType type = getMediaType(cis);
        if (!type.equals(MediaType.OCTET_STREAM)) {
            metadata.set(CONTENT_TYPE, type.toString());
        }

        XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
        xhtml.startDocument();

        try {
            Metadata entrydata = new Metadata();
            String name = metadata.get(Metadata.RESOURCE_NAME_KEY);
            if (name != null) {
                if (name.endsWith(".tbz")) {
                    name = name.substring(0, name.length() - 4) + ".tar";
                } else if (name.endsWith(".tbz2")) {
                    name = name.substring(0, name.length() - 5) + ".tar";
                } else if (name.endsWith(".bz")) {
                    name = name.substring(0, name.length() - 3);
                } else if (name.endsWith(".bz2")) {
                    name = name.substring(0, name.length() - 4);
                } else if (name.endsWith(".xz")) {
                    name = name.substring(0, name.length() - 3);
                } else if (name.endsWith(".pack")) {
                    name = name.substring(0, name.length() - 5);
                } else if (name.length() > 0) {
                    name = GzipUtils.getUncompressedFilename(name);
                }
                entrydata.set(Metadata.RESOURCE_NAME_KEY, name);
            }

            // Use the delegate parser to parse the compressed document
            EmbeddedDocumentExtractor extractor = context.get(
                    EmbeddedDocumentExtractor.class,
                    new ParsingEmbeddedDocumentExtractor(context));
            if (extractor.shouldParseEmbedded(entrydata)) {
                extractor.parseEmbedded(cis, xhtml, entrydata, true);
            }
        } finally {
            cis.close();
        }

        xhtml.endDocument();
    }
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    }

    private static MediaType detectCompressorFormat(byte[] prefix, int length) {
        try {
            CompressorStreamFactory factory = new CompressorStreamFactory();
            CompressorInputStream cis = factory.createCompressorInputStream(
                    new ByteArrayInputStream(prefix, 0, length));
            try {
                return CompressorParser.getMediaType(cis);
            } finally {
                IOUtils.closeQuietly(cis);
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        if (source.lastModified() > dest.lastModified()) {
            log("Expanding " + source.getAbsolutePath() + " to "
                + dest.getAbsolutePath());

            FileOutputStream out = null;
            CompressorInputStream zIn = null;
            InputStream fis = null;
            try {
                out = new FileOutputStream(dest);
                fis = srcResource.getInputStream();
                zIn = factory.getCompressorStream(new BufferedInputStream(fis));
                byte[] buffer = new byte[BUFFER_SIZE];
                int count = 0;
                do {
                    out.write(buffer, 0, count);
                    count = zIn.read(buffer, 0, buffer.length);
                } while (count != -1);
            } catch (IOException ioe) {
                String msg = "Problem expanding " + ioe.getMessage();
                throw new BuildException(msg, ioe, getLocation());
            } finally {
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    final ClassLoader classLoader = getClass().getClassLoader();
    final CompressorStreamFactory factory = new CompressorStreamFactory();

    public void testDetection() throws Exception {

        final CompressorInputStream bzip2 = getStreamFor("bla.txt.bz2");
        assertNotNull(bzip2);
        assertTrue(bzip2 instanceof BZip2CompressorInputStream);

        final CompressorInputStream gzip = getStreamFor("bla.tgz");
        assertNotNull(gzip);
        assertTrue(gzip instanceof GzipCompressorInputStream);

    }
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    }

    final CompressorStreamFactory factory = new CompressorStreamFactory();

    public void testDetection() throws Exception {
        CompressorInputStream bzip2 = getStreamFor("bla.txt.bz2");
        assertNotNull(bzip2);
        assertTrue(bzip2 instanceof BZip2CompressorInputStream);

        CompressorInputStream gzip = getStreamFor("bla.tgz");
        assertNotNull(gzip);
        assertTrue(gzip instanceof GzipCompressorInputStream);
       
        CompressorInputStream pack200 = getStreamFor("bla.pack");
        assertNotNull(pack200);
        assertTrue(pack200 instanceof Pack200CompressorInputStream);

        CompressorInputStream xz = getStreamFor("bla.tar.xz");
        assertNotNull(xz);
        assertTrue(xz instanceof XZCompressorInputStream);

        try {
            factory.createCompressorInputStream(new ByteArrayInputStream(new byte[0]));
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        if (destination.isDirectory()) {
            destination = new File(destination, getDecompressedFilename(source));
        }

        CompressorInputStream compressed = null;
        FileOutputStream output = null;
        try {
            compressed = createCompressorInputStream(getCompressionType(), source);
            output = new FileOutputStream(destination);
            IOUtils.copy(compressed, output);
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        if (source.lastModified() > dest.lastModified()) {
            log("Expanding " + source.getAbsolutePath() + " to "
                + dest.getAbsolutePath());

            FileOutputStream out = null;
            CompressorInputStream zIn = null;
            InputStream fis = null;
            try {
                out = new FileOutputStream(dest);
                zIn = StreamHelper.getInputStream(factory, srcResource);
                if (zIn == null) {
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Related Classes of org.apache.commons.compress.compressors.CompressorInputStream

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  • org.apache.ant.compress.taskdefs.UnpackBase
  • org.apache.commons.compress.DetectCompressorTestCase
  • org.apache.tika.parser.pkg.CompressorParser
  • org.apache.tika.parser.pkg.ZipContainerDetector
  • org.apache.tomee.debian.PackageBuilder
  • org.jasig.portal.io.xml.JaxbPortalDataHandlerService
  • org.jboss.as.plugin.common.Files
  • org.kitesdk.morphline.tika.decompress.DecompressBuilder$Decompress
  • org.rauschig.jarchivelib.CommonsCompressor
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