| /* |
| * 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.examples; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.channels.FileChannel; |
| import java.nio.channels.SeekableByteChannel; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.StandardOpenOption; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import org.apache.commons.compress.AbstractTestCase; |
| import org.apache.commons.compress.archivers.ArchiveEntry; |
| import org.apache.commons.compress.archivers.ArchiveException; |
| import org.apache.commons.compress.archivers.ArchiveInputStream; |
| import org.apache.commons.compress.archivers.ArchiveOutputStream; |
| import org.apache.commons.compress.archivers.ArchiveStreamFactory; |
| import org.apache.commons.compress.utils.IOUtils; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ParameterizedArchiverTest extends AbstractTestCase { |
| |
| // can't test 7z here as 7z cannot write to non-seekable streams |
| // and reading logic would be different as well - see |
| // SevenZArchiverTest class |
| @Parameters(name = "format={0}") |
| public static Collection<Object[]> data() { |
| return Arrays.asList( |
| new Object[] { "tar" }, |
| new Object[] { "cpio" }, |
| new Object[] { "zip" } |
| ); |
| } |
| |
| private final String format; |
| private File target; |
| |
| public ParameterizedArchiverTest(String format) { |
| this.format = format; |
| } |
| |
| @Before |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| File c = new File(dir, "a/b/c"); |
| c.mkdirs(); |
| try (OutputStream os = Files.newOutputStream(new File(dir, "a/b/d.txt").toPath())) { |
| os.write("Hello, world 1".getBytes(StandardCharsets.UTF_8)); |
| } |
| try (OutputStream os = Files.newOutputStream(new File(dir, "a/b/c/e.txt").toPath())) { |
| os.write("Hello, world 2".getBytes(StandardCharsets.UTF_8)); |
| } |
| target = new File(resultDir, "test." + format); |
| } |
| |
| @Test |
| public void fileVersion() throws IOException, ArchiveException { |
| new Archiver().create(format, target, dir); |
| verifyContent(); |
| } |
| |
| @Test |
| public void outputStreamVersion() throws IOException, ArchiveException { |
| try (OutputStream os = Files.newOutputStream(target.toPath())) { |
| new Archiver().create(format, os, dir); |
| } |
| verifyContent(); |
| } |
| |
| @Test |
| public void channelVersion() throws IOException, ArchiveException { |
| try (SeekableByteChannel c = FileChannel.open(target.toPath(), StandardOpenOption.WRITE, |
| StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) { |
| new Archiver().create(format, c, dir); |
| } |
| verifyContent(); |
| } |
| |
| @Test |
| public void archiveStreamVersion() throws IOException, ArchiveException { |
| try (OutputStream os = Files.newOutputStream(target.toPath()); |
| ArchiveOutputStream aos = new ArchiveStreamFactory().createArchiveOutputStream(format, os)) { |
| new Archiver().create(aos, dir); |
| } |
| verifyContent(); |
| } |
| |
| private void verifyContent() throws IOException, ArchiveException { |
| try (InputStream is = Files.newInputStream(target.toPath()); |
| BufferedInputStream bis = new BufferedInputStream(is); |
| ArchiveInputStream ais = new ArchiveStreamFactory().createArchiveInputStream(format, bis)) { |
| assertDir("a", ais.getNextEntry()); |
| assertDir("a/b", ais.getNextEntry()); |
| ArchiveEntry n = ais.getNextEntry(); |
| Assert.assertNotNull(n); |
| // File.list may return a/b/c or a/b/d.txt first |
| if (n.getName().endsWith("/")) { |
| assertDir("a/b/c", n); |
| assertHelloWorld("a/b/c/e.txt", "2", ais.getNextEntry(), ais); |
| assertHelloWorld("a/b/d.txt", "1", ais.getNextEntry(), ais); |
| } else { |
| assertHelloWorld("a/b/d.txt", "1", n, ais); |
| assertDir("a/b/c", ais.getNextEntry()); |
| assertHelloWorld("a/b/c/e.txt", "2", ais.getNextEntry(), ais); |
| } |
| } |
| } |
| |
| private void assertDir(String expectedName, ArchiveEntry entry) { |
| Assert.assertNotNull(expectedName + " does not exists", entry); |
| Assert.assertEquals(expectedName + "/", entry.getName()); |
| Assert.assertTrue(expectedName + " is not a directory", entry.isDirectory()); |
| } |
| |
| private void assertHelloWorld(String expectedName, String suffix, ArchiveEntry entry, InputStream is) |
| throws IOException { |
| Assert.assertNotNull(expectedName + " does not exists", entry); |
| Assert.assertEquals(expectedName, entry.getName()); |
| Assert.assertFalse(expectedName + " is a directory", entry.isDirectory()); |
| byte[] expected = ("Hello, world " + suffix).getBytes(StandardCharsets.UTF_8); |
| byte[] actual = IOUtils.toByteArray(is); |
| Assert.assertArrayEquals(expected, actual); |
| } |
| } |