| /* |
| * 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.compressors; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.file.Files; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.compress.AbstractTestCase; |
| import org.apache.commons.compress.archivers.ArchiveEntry; |
| 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.archivers.zip.ZipArchiveEntry; |
| import org.apache.commons.compress.compressors.pack200.Pack200CompressorInputStream; |
| import org.apache.commons.compress.compressors.pack200.Pack200CompressorOutputStream; |
| import org.apache.commons.compress.compressors.pack200.Pack200Strategy; |
| import org.apache.commons.compress.utils.IOUtils; |
| import org.junit.Test; |
| |
| public final class Pack200TestCase extends AbstractTestCase { |
| |
| @Test |
| public void testJarUnarchiveAllInMemory() throws Exception { |
| jarUnarchiveAll(false, Pack200Strategy.IN_MEMORY); |
| } |
| |
| @Test |
| public void testJarUnarchiveAllFileArgInMemory() throws Exception { |
| jarUnarchiveAll(true, Pack200Strategy.IN_MEMORY); |
| } |
| |
| @Test |
| public void testJarUnarchiveAllTempFile() throws Exception { |
| jarUnarchiveAll(false, Pack200Strategy.TEMP_FILE); |
| } |
| |
| @Test |
| public void testJarUnarchiveAllFileTempFile() throws Exception { |
| jarUnarchiveAll(true, Pack200Strategy.TEMP_FILE); |
| } |
| |
| private void jarUnarchiveAll(final boolean useFile, final Pack200Strategy mode) |
| throws Exception { |
| final File input = getFile("bla.pack"); |
| try (InputStream is = useFile |
| ? new Pack200CompressorInputStream(input, mode) |
| : new Pack200CompressorInputStream(Files.newInputStream(input.toPath()), |
| mode)) { |
| final ArchiveInputStream in = ArchiveStreamFactory.DEFAULT |
| .createArchiveInputStream("jar", is); |
| |
| ArchiveEntry entry = in.getNextEntry(); |
| while (entry != null) { |
| final File archiveEntry = new File(dir, entry.getName()); |
| archiveEntry.getParentFile().mkdirs(); |
| if (entry.isDirectory()) { |
| archiveEntry.mkdir(); |
| entry = in.getNextEntry(); |
| continue; |
| } |
| final OutputStream out = Files.newOutputStream(archiveEntry.toPath()); |
| IOUtils.copy(in, out); |
| out.close(); |
| entry = in.getNextEntry(); |
| } |
| |
| in.close(); |
| } |
| } |
| |
| @Test |
| public void testJarArchiveCreationInMemory() throws Exception { |
| jarArchiveCreation(Pack200Strategy.IN_MEMORY); |
| } |
| |
| @Test |
| public void testJarArchiveCreationTempFile() throws Exception { |
| jarArchiveCreation(Pack200Strategy.TEMP_FILE); |
| } |
| |
| private void jarArchiveCreation(final Pack200Strategy mode) throws Exception { |
| final File output = new File(dir, "bla.pack"); |
| |
| final File file1 = getFile("test1.xml"); |
| final File file2 = getFile("test2.xml"); |
| |
| try (OutputStream out = new Pack200CompressorOutputStream(Files.newOutputStream(output.toPath()), |
| mode)) { |
| final ArchiveOutputStream os = ArchiveStreamFactory.DEFAULT |
| .createArchiveOutputStream("jar", out); |
| |
| os.putArchiveEntry(new ZipArchiveEntry("testdata/test1.xml")); |
| IOUtils.copy(Files.newInputStream(file1.toPath()), os); |
| os.closeArchiveEntry(); |
| |
| os.putArchiveEntry(new ZipArchiveEntry("testdata/test2.xml")); |
| IOUtils.copy(Files.newInputStream(file2.toPath()), os); |
| os.closeArchiveEntry(); |
| |
| os.close(); |
| } |
| |
| try (InputStream is = new Pack200CompressorInputStream(output)) { |
| final ArchiveInputStream in = ArchiveStreamFactory.DEFAULT |
| .createArchiveInputStream("jar", is); |
| final List<String> files = new ArrayList<>(); |
| files.add("testdata/test1.xml"); |
| files.add("testdata/test2.xml"); |
| checkArchiveContent(in, files); |
| in.close(); |
| } |
| } |
| |
| @Test |
| public void testGoodSignature() throws Exception { |
| try (InputStream is = Files.newInputStream(getFile("bla.pack").toPath())) { |
| final byte[] sig = new byte[4]; |
| is.read(sig); |
| assertTrue(Pack200CompressorInputStream.matches(sig, 4)); |
| } |
| } |
| |
| @Test |
| public void testBadSignature() throws Exception { |
| try (InputStream is = Files.newInputStream(getFile("bla.jar").toPath())) { |
| final byte[] sig = new byte[4]; |
| is.read(sig); |
| assertFalse(Pack200CompressorInputStream.matches(sig, 4)); |
| } |
| } |
| |
| @Test |
| public void testShortSignature() throws Exception { |
| try (InputStream is = Files.newInputStream(getFile("bla.pack").toPath())) { |
| final byte[] sig = new byte[2]; |
| is.read(sig); |
| assertFalse(Pack200CompressorInputStream.matches(sig, 2)); |
| } |
| } |
| |
| @Test |
| public void testInputStreamMethods() throws Exception { |
| final Map<String, String> m = new HashMap<>(); |
| m.put("foo", "bar"); |
| try (InputStream is = new Pack200CompressorInputStream(Files.newInputStream(getFile("bla.jar").toPath()), |
| m)) { |
| // packed file is a jar, which is a zip so it starts with |
| // a local file header |
| assertTrue(is.markSupported()); |
| is.mark(5); |
| assertEquals(0x50, is.read()); |
| final byte[] rest = new byte[3]; |
| assertEquals(3, is.read(rest)); |
| assertEquals(0x4b, rest[0]); |
| assertEquals(3, rest[1]); |
| assertEquals(4, rest[2]); |
| assertEquals(1, is.skip(1)); |
| is.reset(); |
| assertEquals(0x50, is.read()); |
| assertTrue(is.available() > 0); |
| } |
| } |
| |
| @Test |
| public void testOutputStreamMethods() throws Exception { |
| final File output = new File(dir, "bla.pack"); |
| final Map<String, String> m = new HashMap<>(); |
| m.put("foo", "bar"); |
| try (OutputStream out = Files.newOutputStream(output.toPath())) { |
| final OutputStream os = new Pack200CompressorOutputStream(out, m); |
| os.write(1); |
| os.write(new byte[] { 2, 3 }); |
| os.close(); |
| } |
| } |
| |
| @Test |
| public void singleByteReadFromMemoryConsistentlyReturnsMinusOneAtEof() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(Pack200Strategy.IN_MEMORY); |
| } |
| |
| @Test |
| public void singleByteReadFromTempFileConsistentlyReturnsMinusOneAtEof() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(Pack200Strategy.TEMP_FILE); |
| } |
| |
| private void singleByteReadConsistentlyReturnsMinusOneAtEof(final Pack200Strategy s) throws Exception { |
| final File input = getFile("bla.pack"); |
| try (final Pack200CompressorInputStream in = new Pack200CompressorInputStream(input, s)) { |
| IOUtils.toByteArray(in); |
| assertEquals(-1, in.read()); |
| assertEquals(-1, in.read()); |
| in.close(); |
| } |
| } |
| |
| @Test |
| public void multiByteReadFromMemoryConsistentlyReturnsMinusOneAtEof() throws Exception { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(Pack200Strategy.IN_MEMORY); |
| } |
| |
| @Test |
| public void multiByteReadFromTempFileConsistentlyReturnsMinusOneAtEof() throws Exception { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(Pack200Strategy.TEMP_FILE); |
| } |
| |
| private void multiByteReadConsistentlyReturnsMinusOneAtEof(final Pack200Strategy s) throws Exception { |
| final File input = getFile("bla.pack"); |
| final byte[] buf = new byte[2]; |
| try (final Pack200CompressorInputStream in = new Pack200CompressorInputStream(input, s)) { |
| IOUtils.toByteArray(in); |
| assertEquals(-1, in.read(buf)); |
| assertEquals(-1, in.read(buf)); |
| in.close(); |
| } |
| } |
| |
| } |