Package org.apache.commons.compress.archivers.ar

Examples of org.apache.commons.compress.archivers.ar.ArArchiveInputStream


        if (in == null) {
            throw new IllegalArgumentException("InputStream must not be null.");
        }

        if (AR.equalsIgnoreCase(archiverName)) {
            return new ArArchiveInputStream(in);
        }
        if (ZIP.equalsIgnoreCase(archiverName)) {
            return new ZipArchiveInputStream(in);
        }
        if (TAR.equalsIgnoreCase(archiverName)) {
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            if (ZipArchiveInputStream.matches(signature, signatureLength)) {
                return new ZipArchiveInputStream(in);
            } else if (JarArchiveInputStream.matches(signature, signatureLength)) {
                return new JarArchiveInputStream(in);
            } else if (ArArchiveInputStream.matches(signature, signatureLength)) {
                return new ArArchiveInputStream(in);
            } else if (CpioArchiveInputStream.matches(signature, signatureLength)) {
                return new CpioArchiveInputStream(in);
            }

            // Dump needs a bigger buffer to check the signature;
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        if (archiverName == null || in == null) {
            throw new IllegalArgumentException("Archivername must not be null.");
        }

        if ("ar".equalsIgnoreCase(archiverName)) {
            return new ArArchiveInputStream(in);
        } else if ("zip".equalsIgnoreCase(archiverName)) {
            return new ZipArchiveInputStream(in);
        } else if ("tar".equalsIgnoreCase(archiverName)) {
            return new TarArchiveInputStream(in);
        } else if ("jar".equalsIgnoreCase(archiverName)) {
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            if (ZipArchiveInputStream.matches(signature, signatureLength)) {
                return new ZipArchiveInputStream(in);
            } else if (JarArchiveInputStream.matches(signature, signatureLength)) {
                return new JarArchiveInputStream(in);
            } else if (ArArchiveInputStream.matches(signature, signatureLength)) {
                return new ArArchiveInputStream(in);
            } else if (CpioArchiveInputStream.matches(signature, signatureLength)) {
                return new CpioArchiveInputStream(in);
            }
            // Tar needs a bigger buffer to check the signature; read the first block
            final byte[] tarheader = new byte[512];
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        if (in == null) {
            throw new IllegalArgumentException("InputStream must not be null.");
        }

        if (AR.equalsIgnoreCase(archiverName)) {
            return new ArArchiveInputStream(in);
        }
        if (ARJ.equalsIgnoreCase(archiverName)) {
            if (entryEncoding != null) {
                return new ArjArchiveInputStream(in, entryEncoding);
            } else {
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                    return new ZipArchiveInputStream(in);
                }
            } else if (JarArchiveInputStream.matches(signature, signatureLength)) {
                return new JarArchiveInputStream(in);
            } else if (ArArchiveInputStream.matches(signature, signatureLength)) {
                return new ArArchiveInputStream(in);
            } else if (CpioArchiveInputStream.matches(signature, signatureLength)) {
                return new CpioArchiveInputStream(in);
            } else if (ArjArchiveInputStream.matches(signature, signatureLength)) {
                return new ArjArchiveInputStream(in);
            }
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import java.util.zip.GZIPInputStream;

public final class ArchiveUtils {

    public static void extractAr(File file, File destination) throws IOException {
        try (final ArArchiveInputStream in = new ArArchiveInputStream(new FileInputStream(file))) {
            extractArchive(in, destination);
        }
    }
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                || (a == 0xc7 && b == 0x71)) {
            metadata.set(Metadata.CONTENT_TYPE, "application/x-cpio");
            unpack(new CpioArchiveInputStream(stream), xhtml);
        } else if (a == '=' && (b == '<' || b == '!')) {
            metadata.set(Metadata.CONTENT_TYPE, "application/x-archive");
            unpack(new ArArchiveInputStream(stream), xhtml);
        } else {
            metadata.set(Metadata.CONTENT_TYPE, "application/x-tar");
            unpack(new TarArchiveInputStream(stream), xhtml);
        }
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    // TODO: revisit - does AR not support storing directories?
    public void XtestDirectoryEntryFromFile() throws Exception {
        File[] tmp = createTempDirAndFile();
        File archive = null;
        ArArchiveOutputStream aos = null;
        ArArchiveInputStream ais = null;
        try {
            archive = File.createTempFile("test.", ".ar", tmp[0]);
            archive.deleteOnExit();
            aos = new ArArchiveOutputStream(new FileOutputStream(archive));
            long beforeArchiveWrite = tmp[0].lastModified();
            ArArchiveEntry in = new ArArchiveEntry(tmp[0], "foo");
            aos.putArchiveEntry(in);
            aos.closeArchiveEntry();
            aos.close();
            aos = null;
            ais = new ArArchiveInputStream(new FileInputStream(archive));
            ArArchiveEntry out = ais.getNextArEntry();
            ais.close();
            ais = null;
            assertNotNull(out);
            assertEquals("foo/", out.getName());
            assertEquals(0, out.getSize());
            // AR stores time with a granularity of 1 second
            assertEquals(beforeArchiveWrite / 1000,
                         out.getLastModifiedDate().getTime() / 1000);
            assertTrue(out.isDirectory());
        } finally {
            if (ais != null) {
                ais.close();
            }
            if (aos != null) {
                aos.close();
            }
            if (archive != null) {
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    // TODO: revisit - does AR not support storing directories?
    public void XtestExplicitDirectoryEntry() throws Exception {
        File[] tmp = createTempDirAndFile();
        File archive = null;
        ArArchiveOutputStream aos = null;
        ArArchiveInputStream ais = null;
        try {
            archive = File.createTempFile("test.", ".ar", tmp[0]);
            archive.deleteOnExit();
            aos = new ArArchiveOutputStream(new FileOutputStream(archive));
            long beforeArchiveWrite = tmp[0].lastModified();
            ArArchiveEntry in = new ArArchiveEntry("foo", 0, 0, 0, 0,
                                                   tmp[1].lastModified() / 1000);
            aos.putArchiveEntry(in);
            aos.closeArchiveEntry();
            aos.close();
            aos = null;
            ais = new ArArchiveInputStream(new FileInputStream(archive));
            ArArchiveEntry out = ais.getNextArEntry();
            ais.close();
            ais = null;
            assertNotNull(out);
            assertEquals("foo/", out.getName());
            assertEquals(0, out.getSize());
            assertEquals(beforeArchiveWrite / 1000,
                         out.getLastModifiedDate().getTime() / 1000);
            assertTrue(out.isDirectory());
        } finally {
            if (ais != null) {
                ais.close();
            }
            if (aos != null) {
                aos.close();
            }
            if (archive != null) {
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