| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.commons.compress.archivers; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.commons.compress.AbstractTestCase; |
| import org.apache.commons.compress.archivers.tar.TarArchiveEntry; |
| import org.apache.commons.compress.archivers.tar.TarArchiveInputStream; |
| import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream; |
| import org.apache.commons.compress.archivers.tar.TarFile; |
| import org.apache.commons.compress.utils.ByteUtils; |
| import org.apache.commons.compress.utils.CharsetNames; |
| import org.apache.commons.compress.utils.IOUtils; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public final class TarTestCase extends AbstractTestCase { |
| |
| @Test |
| public void testTarArchiveCreation() throws Exception { |
| final File output = new File(dir, "bla.tar"); |
| final File file1 = getFile("test1.xml"); |
| final OutputStream out = Files.newOutputStream(output.toPath()); |
| final ArchiveOutputStream os = ArchiveStreamFactory.DEFAULT.createArchiveOutputStream("tar", out); |
| final TarArchiveEntry entry = new TarArchiveEntry("testdata/test1.xml"); |
| entry.setModTime(0); |
| entry.setSize(file1.length()); |
| entry.setUserId(0); |
| entry.setGroupId(0); |
| entry.setUserName("avalon"); |
| entry.setGroupName("excalibur"); |
| entry.setMode(0100000); |
| os.putArchiveEntry(entry); |
| IOUtils.copy(Files.newInputStream(file1.toPath()), os); |
| os.closeArchiveEntry(); |
| os.close(); |
| } |
| |
| @Test |
| public void testTarArchiveLongNameCreation() throws Exception { |
| final String name = "testdata/12345678901234567890123456789012345678901234567890123456789012345678901234567890123456.xml"; |
| final byte[] bytes = name.getBytes(StandardCharsets.UTF_8); |
| assertEquals(bytes.length, 99); |
| |
| final File output = new File(dir, "bla.tar"); |
| final File file1 = getFile("test1.xml"); |
| final OutputStream out = Files.newOutputStream(output.toPath()); |
| final ArchiveOutputStream os = ArchiveStreamFactory.DEFAULT.createArchiveOutputStream("tar", out); |
| final TarArchiveEntry entry = new TarArchiveEntry(name); |
| entry.setModTime(0); |
| entry.setSize(file1.length()); |
| entry.setUserId(0); |
| entry.setGroupId(0); |
| entry.setUserName("avalon"); |
| entry.setGroupName("excalibur"); |
| entry.setMode(0100000); |
| os.putArchiveEntry(entry); |
| final InputStream in = Files.newInputStream(file1.toPath()); |
| IOUtils.copy(in, os); |
| os.closeArchiveEntry(); |
| os.close(); |
| out.close(); |
| in.close(); |
| |
| |
| ArchiveOutputStream os2 = null; |
| try { |
| final String toLongName = "testdata/123456789012345678901234567890123456789012345678901234567890123456789012345678901234567.xml"; |
| final File output2 = new File(dir, "bla.tar"); |
| final OutputStream out2 = Files.newOutputStream(output2.toPath()); |
| os2 = ArchiveStreamFactory.DEFAULT.createArchiveOutputStream("tar", out2); |
| final TarArchiveEntry entry2 = new TarArchiveEntry(toLongName); |
| entry2.setModTime(0); |
| entry2.setSize(file1.length()); |
| entry2.setUserId(0); |
| entry2.setGroupId(0); |
| entry2.setUserName("avalon"); |
| entry2.setGroupName("excalibur"); |
| entry2.setMode(0100000); |
| os2.putArchiveEntry(entry); |
| IOUtils.copy(Files.newInputStream(file1.toPath()), os2); |
| os2.closeArchiveEntry(); |
| } catch(final IOException e) { |
| assertTrue(true); |
| } finally { |
| if (os2 != null){ |
| os2.close(); |
| } |
| } |
| } |
| |
| @Test |
| public void testTarUnarchive() throws Exception { |
| final File input = getFile("bla.tar"); |
| try (final InputStream is = Files.newInputStream(input.toPath()); |
| final ArchiveInputStream in = ArchiveStreamFactory.DEFAULT.createArchiveInputStream("tar", is)) { |
| final TarArchiveEntry entry = (TarArchiveEntry) in.getNextEntry(); |
| try (final OutputStream out = Files.newOutputStream(new File(dir, entry.getName()).toPath())) { |
| IOUtils.copy(in, out); |
| } |
| } |
| } |
| |
| @Test |
| public void testTarFileUnarchive() throws Exception { |
| final File file = getFile("bla.tar"); |
| try (final TarFile tarFile = new TarFile(file)) { |
| final TarArchiveEntry entry = tarFile.getEntries().get(0); |
| try (final OutputStream out = Files.newOutputStream(new File(dir, entry.getName()).toPath())) { |
| IOUtils.copy(tarFile.getInputStream(entry), out); |
| } |
| } |
| } |
| |
| @Test |
| public void testCOMPRESS114() throws Exception { |
| final File input = getFile("COMPRESS-114.tar"); |
| try (final InputStream is = Files.newInputStream(input.toPath()); |
| final ArchiveInputStream in = new TarArchiveInputStream(is, CharsetNames.ISO_8859_1)) { |
| TarArchiveEntry entry = (TarArchiveEntry) in.getNextEntry(); |
| assertEquals("3\u00b1\u00b1\u00b1F06\u00b1W2345\u00b1ZB\u00b1la\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1BLA", entry.getName()); |
| entry = (TarArchiveEntry) in.getNextEntry(); |
| assertEquals("0302-0601-3\u00b1\u00b1\u00b1F06\u00b1W2345\u00b1ZB\u00b1la\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1BLA", entry.getName()); |
| } |
| } |
| |
| @Test |
| public void testTarFileCOMPRESS114() throws Exception { |
| final File input = getFile("COMPRESS-114.tar"); |
| try (final TarFile tarFile = new TarFile(input, CharsetNames.ISO_8859_1)) { |
| final List<TarArchiveEntry> entries = tarFile.getEntries(); |
| TarArchiveEntry entry = entries.get(0); |
| assertEquals("3\u00b1\u00b1\u00b1F06\u00b1W2345\u00b1ZB\u00b1la\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1BLA", entry.getName()); |
| entry = entries.get(1); |
| assertEquals("0302-0601-3\u00b1\u00b1\u00b1F06\u00b1W2345\u00b1ZB\u00b1la\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1\u00b1BLA", entry.getName()); |
| } |
| } |
| |
| @Test |
| public void testDirectoryEntryFromFile() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = null; |
| TarArchiveOutputStream tos = null; |
| TarArchiveInputStream tis = null; |
| try { |
| archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath())); |
| final long beforeArchiveWrite = tmp[0].lastModified(); |
| final TarArchiveEntry in = new TarArchiveEntry(tmp[0], "foo"); |
| tos.putArchiveEntry(in); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| tos = null; |
| tis = new TarArchiveInputStream(Files.newInputStream(archive.toPath())); |
| final TarArchiveEntry out = tis.getNextTarEntry(); |
| tis.close(); |
| tis = null; |
| assertNotNull(out); |
| assertEquals("foo/", out.getName()); |
| assertEquals(0, out.getSize()); |
| // TAR stores time with a granularity of 1 second |
| assertEquals(beforeArchiveWrite / 1000, |
| out.getLastModifiedDate().getTime() / 1000); |
| assertTrue(out.isDirectory()); |
| } finally { |
| if (tis != null) { |
| tis.close(); |
| } |
| if (tos != null) { |
| tos.close(); |
| } |
| tryHardToDelete(archive); |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testTarFileDirectoryEntryFromFile() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| |
| try (final TarArchiveOutputStream tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath()))) { |
| final long beforeArchiveWrite = tmp[0].lastModified(); |
| final TarArchiveEntry in = new TarArchiveEntry(tmp[0], "foo"); |
| tos.putArchiveEntry(in); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| try (final TarFile tarFile = new TarFile(archive)) { |
| TarArchiveEntry entry = tarFile.getEntries().get(0); |
| assertNotNull(entry); |
| assertEquals("foo/", entry.getName()); |
| assertEquals(0, entry.getSize()); |
| // TAR stores time with a granularity of 1 second |
| assertEquals(beforeArchiveWrite / 1000, entry.getLastModifiedDate().getTime() / 1000); |
| assertTrue(entry.isDirectory()); |
| } finally { |
| tryHardToDelete(archive); |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| } |
| |
| @Test |
| public void testExplicitDirectoryEntry() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = null; |
| TarArchiveOutputStream tos = null; |
| TarArchiveInputStream tis = null; |
| try { |
| archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath())); |
| final long beforeArchiveWrite = tmp[0].lastModified(); |
| final TarArchiveEntry in = new TarArchiveEntry("foo/"); |
| in.setModTime(beforeArchiveWrite); |
| tos.putArchiveEntry(in); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| tos = null; |
| tis = new TarArchiveInputStream(Files.newInputStream(archive.toPath())); |
| final TarArchiveEntry out = tis.getNextTarEntry(); |
| tis.close(); |
| tis = null; |
| assertNotNull(out); |
| assertEquals("foo/", out.getName()); |
| assertEquals(0, out.getSize()); |
| assertEquals(beforeArchiveWrite / 1000, |
| out.getLastModifiedDate().getTime() / 1000); |
| assertTrue(out.isDirectory()); |
| } finally { |
| if (tis != null) { |
| tis.close(); |
| } |
| if (tos != null) { |
| tos.close(); |
| } |
| tryHardToDelete(archive); |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testTarFileExplicitDirectoryEntry() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| try (final TarArchiveOutputStream tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath()))){ |
| final long beforeArchiveWrite = tmp[0].lastModified(); |
| final TarArchiveEntry in = new TarArchiveEntry("foo/"); |
| in.setModTime(beforeArchiveWrite); |
| tos.putArchiveEntry(in); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| try (final TarFile tarFile = new TarFile(archive)) { |
| TarArchiveEntry entry = tarFile.getEntries().get(0); |
| assertNotNull(entry); |
| assertEquals("foo/", entry.getName()); |
| assertEquals(0, entry.getSize()); |
| assertEquals(beforeArchiveWrite / 1000, entry.getLastModifiedDate().getTime() / 1000); |
| assertTrue(entry.isDirectory()); |
| } |
| } finally { |
| tryHardToDelete(archive); |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testFileEntryFromFile() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = null; |
| TarArchiveOutputStream tos = null; |
| TarArchiveInputStream tis = null; |
| InputStream fis = null; |
| try { |
| archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath())); |
| final TarArchiveEntry in = new TarArchiveEntry(tmp[1], "foo"); |
| tos.putArchiveEntry(in); |
| final byte[] b = new byte[(int) tmp[1].length()]; |
| fis = Files.newInputStream(tmp[1].toPath()); |
| while (fis.read(b) > 0) { |
| tos.write(b); |
| } |
| fis.close(); |
| fis = null; |
| tos.closeArchiveEntry(); |
| tos.close(); |
| tos = null; |
| tis = new TarArchiveInputStream(Files.newInputStream(archive.toPath())); |
| final TarArchiveEntry out = tis.getNextTarEntry(); |
| tis.close(); |
| tis = null; |
| assertNotNull(out); |
| assertEquals("foo", out.getName()); |
| assertEquals(tmp[1].length(), out.getSize()); |
| assertEquals(tmp[1].lastModified() / 1000, |
| out.getLastModifiedDate().getTime() / 1000); |
| assertFalse(out.isDirectory()); |
| } finally { |
| if (tis != null) { |
| tis.close(); |
| } |
| if (tos != null) { |
| tos.close(); |
| } |
| tryHardToDelete(archive); |
| if (fis != null) { |
| fis.close(); |
| } |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testTarFileEntryFromFile() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| try (final TarArchiveOutputStream tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath()))) { |
| final TarArchiveEntry in = new TarArchiveEntry(tmp[1], "foo"); |
| tos.putArchiveEntry(in); |
| final byte[] b = new byte[(int) tmp[1].length()]; |
| try (final InputStream fis = Files.newInputStream(tmp[1].toPath())) { |
| while (fis.read(b) > 0) { |
| tos.write(b); |
| } |
| } |
| tos.closeArchiveEntry(); |
| tos.close(); |
| try (final TarFile tarFile = new TarFile(archive)) { |
| TarArchiveEntry entry = tarFile.getEntries().get(0); |
| assertNotNull(entry); |
| assertEquals("foo", entry.getName()); |
| assertEquals(tmp[1].length(), entry.getSize()); |
| assertEquals(tmp[1].lastModified() / 1000, entry.getLastModifiedDate().getTime() / 1000); |
| assertFalse(entry.isDirectory()); |
| } |
| } finally { |
| tryHardToDelete(archive); |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testExplicitFileEntry() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = null; |
| TarArchiveOutputStream tos = null; |
| TarArchiveInputStream tis = null; |
| InputStream fis = null; |
| try { |
| archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath())); |
| final TarArchiveEntry in = new TarArchiveEntry("foo"); |
| in.setModTime(tmp[1].lastModified()); |
| in.setSize(tmp[1].length()); |
| tos.putArchiveEntry(in); |
| final byte[] b = new byte[(int) tmp[1].length()]; |
| fis = Files.newInputStream(tmp[1].toPath()); |
| while (fis.read(b) > 0) { |
| tos.write(b); |
| } |
| fis.close(); |
| fis = null; |
| tos.closeArchiveEntry(); |
| tos.close(); |
| tos = null; |
| tis = new TarArchiveInputStream(Files.newInputStream(archive.toPath())); |
| final TarArchiveEntry out = tis.getNextTarEntry(); |
| tis.close(); |
| tis = null; |
| assertNotNull(out); |
| assertEquals("foo", out.getName()); |
| assertEquals(tmp[1].length(), out.getSize()); |
| assertEquals(tmp[1].lastModified() / 1000, |
| out.getLastModifiedDate().getTime() / 1000); |
| assertFalse(out.isDirectory()); |
| } finally { |
| if (tis != null) { |
| tis.close(); |
| } |
| if (tos != null) { |
| tos.close(); |
| } |
| tryHardToDelete(archive); |
| if (fis != null) { |
| fis.close(); |
| } |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testTarFileExplicitFileEntry() throws Exception { |
| final File[] tmp = createTempDirAndFile(); |
| File archive = File.createTempFile("test.", ".tar", tmp[0]); |
| archive.deleteOnExit(); |
| try (final TarArchiveOutputStream tos = new TarArchiveOutputStream(Files.newOutputStream(archive.toPath()))){ |
| final TarArchiveEntry in = new TarArchiveEntry("foo"); |
| in.setModTime(tmp[1].lastModified()); |
| in.setSize(tmp[1].length()); |
| tos.putArchiveEntry(in); |
| final byte[] b = new byte[(int) tmp[1].length()]; |
| try (final InputStream fis = Files.newInputStream(tmp[1].toPath())) { |
| while (fis.read(b) > 0) { |
| tos.write(b); |
| } |
| } |
| tos.closeArchiveEntry(); |
| |
| try (final TarFile tarFile = new TarFile(archive)) { |
| TarArchiveEntry entry = tarFile.getEntries().get(0); |
| assertNotNull(entry); |
| assertEquals("foo", entry.getName()); |
| assertEquals(tmp[1].length(), entry.getSize()); |
| assertEquals(tmp[1].lastModified() / 1000, entry.getLastModifiedDate().getTime() / 1000); |
| assertFalse(entry.isDirectory()); |
| } |
| } finally { |
| tryHardToDelete(archive); |
| tryHardToDelete(tmp[1]); |
| rmdir(tmp[0]); |
| } |
| } |
| |
| @Test |
| public void testCOMPRESS178() throws Exception { |
| final File input = getFile("COMPRESS-178.tar"); |
| final InputStream is = Files.newInputStream(input.toPath()); |
| final ArchiveInputStream in = ArchiveStreamFactory.DEFAULT.createArchiveInputStream("tar", is); |
| try { |
| in.getNextEntry(); |
| fail("Expected IOException"); |
| } catch (final IOException e) { |
| final Throwable t = e.getCause(); |
| assertTrue("Expected cause = IllegalArgumentException", t instanceof IllegalArgumentException); |
| } |
| in.close(); |
| } |
| |
| @Test |
| public void testTarFileCOMPRESS178() throws Exception { |
| final File input = getFile("COMPRESS-178.tar"); |
| try (final TarFile tarFile = new TarFile(input)) { |
| // Compared to the TarArchiveInputStream all entries are read when instantiating the tar file |
| fail("Expected IOException"); |
| } catch (final IOException e) { |
| final Throwable t = e.getCause(); |
| assertTrue("Expected cause = IllegalArgumentException", t instanceof IllegalArgumentException); |
| } |
| } |
| |
| @Test |
| public void testCOMPRESS178Lenient() throws Exception { |
| final File input = getFile("COMPRESS-178.tar"); |
| try (final InputStream is = Files.newInputStream(input.toPath()); |
| final ArchiveInputStream in = new TarArchiveInputStream(is, true)) { |
| in.getNextEntry(); |
| } |
| } |
| |
| @Test |
| public void testTarFileCOMPRESS178Lenient() throws Exception { |
| final File input = getFile("COMPRESS-178.tar"); |
| try (final TarFile tarFile = new TarFile(input, true)) { |
| // Compared to the TarArchiveInputStream all entries are read when instantiating the tar file |
| } |
| } |
| |
| @Test |
| public void testDirectoryRead() throws IOException { |
| final File input = getFile("directory.tar"); |
| try (final InputStream is = Files.newInputStream(input.toPath()); |
| final TarArchiveInputStream in = new TarArchiveInputStream(is)) { |
| TarArchiveEntry directoryEntry = in.getNextTarEntry(); |
| assertEquals("directory/", directoryEntry.getName()); |
| assertTrue(directoryEntry.isDirectory()); |
| byte[] directoryRead = IOUtils.toByteArray(in); |
| assertArrayEquals(ByteUtils.EMPTY_BYTE_ARRAY, directoryRead); |
| } |
| } |
| |
| @Test |
| public void testTarFileDirectoryRead() throws IOException { |
| final File input = getFile("directory.tar"); |
| try (TarFile tarFile = new TarFile(input)) { |
| TarArchiveEntry directoryEntry = tarFile.getEntries().get(0); |
| assertEquals("directory/", directoryEntry.getName()); |
| assertTrue(directoryEntry.isDirectory()); |
| try (InputStream directoryStream = tarFile.getInputStream(directoryEntry)) { |
| byte[] directoryRead = IOUtils.toByteArray(directoryStream); |
| assertArrayEquals(ByteUtils.EMPTY_BYTE_ARRAY, directoryRead); |
| } |
| } |
| } |
| |
| @Test |
| public void testLongNameLargerThanBuffer() throws IOException { |
| final List<Integer> nameLength = Arrays.asList(300, 4096); |
| |
| for (final Integer length : nameLength) { |
| final String fileName = createLongName(length); |
| assertEquals(length.intValue(), fileName.length()); |
| final byte[] data = createTarWithOneLongNameEntry(fileName); |
| try (final ByteArrayInputStream bis = new ByteArrayInputStream(data); |
| final TarArchiveInputStream tis = new TarArchiveInputStream(bis)) { |
| assertEquals(fileName, tis.getNextTarEntry().getName()); |
| } |
| } |
| } |
| |
| @Test |
| public void testTarFileLongNameLargerThanBuffer() throws IOException { |
| final List<Integer> nameLength = Arrays.asList(300, 4096); |
| |
| for (final Integer length : nameLength) { |
| final String fileName = createLongName(length); |
| assertEquals(length.intValue(), fileName.length()); |
| final byte[] data = createTarWithOneLongNameEntry(fileName); |
| try (final TarFile tarFile = new TarFile(data)) { |
| List<TarArchiveEntry> entries = tarFile.getEntries(); |
| assertEquals(fileName, entries.get(0).getName()); |
| } |
| } |
| } |
| |
| private String createLongName(final int nameLength) { |
| final StringBuilder buffer = new StringBuilder(); |
| for (int i = 0; i < nameLength; i++) { |
| buffer.append('a'); |
| } |
| return buffer.toString(); |
| } |
| |
| private byte[] createTarWithOneLongNameEntry(final String longName) throws IOException { |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| try (final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos)) { |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU); |
| TarArchiveEntry longFileNameEntry = new TarArchiveEntry(longName); |
| tos.putArchiveEntry(longFileNameEntry); |
| tos.closeArchiveEntry(); |
| } |
| return bos.toByteArray(); |
| } |
| } |