Java ZipFile.close方法代碼示例

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
/**
 * Compares the content of two zip files. The zip files are considered equal, if
 * the content of all zip entries is equal to the content of its corresponding entry
 * in the other zip file.
 *
 * @author S3460
 * @param zipSource the zip source
 * @param resultZip the result zip
 * @throws Exception the exception
 */
private void compareFiles(ZipFile zipSource, ZipFile resultZip) throws Exception {
  boolean rc = false;
  try {
    for (Enumeration<ZipArchiveEntry> enumer = zipSource.getEntries(); enumer.hasMoreElements();) {
      ZipArchiveEntry sourceEntry = enumer.nextElement();
      ZipArchiveEntry resultEntry = resultZip.getEntry(sourceEntry.getName());
      assertNotNull("Entry nicht generiert: " + sourceEntry.getName(), resultEntry);
      byte[] oldBytes = toBytes(zipSource, sourceEntry);
      byte[] newBytes = toBytes(resultZip, resultEntry);
      rc = equal(oldBytes, newBytes);
      assertTrue("bytes the same " + sourceEntry, rc);
    }
  } finally {
    zipSource.close();
    resultZip.close();
  }
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
/**
 * Run jar patcher.
 *
 * @param originalName the original name
 * @param targetName the target name
 * @param originalZip the original zip
 * @param newZip the new zip
 * @param comparefiles the comparefiles
 * @throws Exception the exception
 */
private void runJarPatcher(String originalName, String targetName, ZipFile originalZip, ZipFile newZip, boolean comparefiles) throws Exception {
  try (ZipArchiveOutputStream output = new ZipArchiveOutputStream(new FileOutputStream(patchFile))) {
    new JarDelta().computeDelta(originalName, targetName, originalZip, newZip, output);
  }
  ZipFile patch = new ZipFile(patchFile);
  ZipArchiveEntry listEntry = patch.getEntry("META-INF/file.list");
  if (listEntry == null) {
    patch.close();
    throw new IOException("Invalid patch - list entry 'META-INF/file.list' not found");
  }
  BufferedReader patchlist = new BufferedReader(new InputStreamReader(patch.getInputStream(listEntry)));
  String next = patchlist.readLine();
  String sourceName = next;
  next = patchlist.readLine();
  new JarPatcher(patchFile.getName(), sourceName).applyDelta(patch, new ZipFile(originalName), new ZipArchiveOutputStream(new FileOutputStream(resultFile)), patchlist);
  if (comparefiles) {
    compareFiles(new ZipFile(targetName), new ZipFile(resultFile));
  }
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
/**
 * Tests JarDelta and JarPatcher on two identical files.
 *
 * @throws Exception the exception
 */
@Test
public void testJarPatcherIdentFile() throws Exception {
  ZipFile originalZip = makeSourceZipFile(sourceFile);
  new JarDelta().computeDelta(sourceFile.getAbsolutePath(), sourceFile.getAbsolutePath(), originalZip, originalZip, new ZipArchiveOutputStream(new FileOutputStream(patchFile)));
  ZipFile patch = new ZipFile(patchFile);
  ZipArchiveEntry listEntry = patch.getEntry("META-INF/file.list");
  if (listEntry == null) {
    patch.close();
    throw new IOException("Invalid patch - list entry 'META-INF/file.list' not found");
  }
  BufferedReader patchlist = new BufferedReader(new InputStreamReader(patch.getInputStream(listEntry)));
  String next = patchlist.readLine();
  String sourceName = next;
  next = patchlist.readLine();
  ZipFile source = new ZipFile(sourceFile);
  new JarPatcher(patchFile.getName(), sourceName).applyDelta(patch, source, new ZipArchiveOutputStream(new FileOutputStream(resultFile)), patchlist);
  compareFiles(new ZipFile(sourceFile), new ZipFile(resultFile));
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
@Test
public void testEmptyBaseDirRelativeDir() throws Exception {
    String aTargetFilename = "target/Z6-input.zip";
    ZipFilesTasklet aTasklet = new ZipFilesTasklet();
    aTasklet.setSourceBaseDirectory(new FileSystemResource(""));
    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:src/test/resources/testFiles/input.csv");
    aTasklet.setSourceFactory(aSourceFactory );
    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setExpression(aTargetFilename);
    aTasklet.setDestinationFactory(aDestinationFactory );
    
    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(null, null));
    
    assertTrue(new File(aTargetFilename).exists());
    ZipFile aZipFile = new ZipFile(new File(aTargetFilename));
    Enumeration<ZipArchiveEntry> aEntries = aZipFile.getEntries();
    assertTrue(aEntries.hasMoreElements());
    assertEquals("src/test/resources/testFiles/input.csv", aEntries.nextElement().getName());
    assertFalse(aEntries.hasMoreElements());
    aZipFile.close();
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
/**
 * Reads the first file entry in a zip file and returns it's contents
 * as uncompressed byte-array
 * @param zipFile the zip file to read from
 * @return the first file entry (uncompressed)
 * @throws IOException if there is an error accessing the zip file
 */
public static byte[] readFirstZipEntry(File zipFile) throws IOException {
    // open zip
    ZipFile zf = new ZipFile(zipFile);
    Enumeration<ZipArchiveEntry> entries = zf.getEntries();

    // read first entry to byte[]
    ZipArchiveEntry entry = entries.nextElement();
    InputStream is = zf.getInputStream(entry);
    byte[] raw = ByteStreams.toByteArray(is);

    // close all streams and return byte[]
    is.close();
    zf.close();
    return raw;
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
/**
 * <p>
 * isZipFile.
 * </p>
 *
 * @param zipFile a {@link java.io.File} object.
 * @return a boolean.
 */
public static boolean isZipFile(File zipFile) {
    try {
        ZipFile zf = new ZipFile(zipFile);
        boolean isZip = zf.getEntries().hasMoreElements();
        zf.close();
        return isZip;
    } catch (IOException e) {
        return false;
    }
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
/**
 * <p>
 * isZipFile.
 * </p>
 *
 * @param zipFile a {@link File} object.
 * @return a boolean.
 */
public static boolean isZipFile(File zipFile) {
    try {
        ZipFile zf = new ZipFile(zipFile);
        boolean isZip = zf.getEntries().hasMoreElements();
        zf.close();
        return isZip;
    } catch (IOException e) {
        return false;
    }
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
public static int fastSignInfo(File file) {
    int v1 = SIGNED_NOT;
    int v2 = SIGNED_NOT;
    try {
        ZipFile zip = new ZipFile(file);
        if (zip.getEntry("META-INF/CERT.RSA") != null) {
            v1 = SIGNED_V1;
        }
        Field archiveField = ZipFile.class.getDeclaredField("archive");
        archiveField.setAccessible(true);
        final RandomAccessFile archive = (RandomAccessFile) archiveField.get(zip);
        Method positionAtCentralDirectory = ZipFile.class.getDeclaredMethod("positionAtCentralDirectory");
        positionAtCentralDirectory.setAccessible(true);
        positionAtCentralDirectory.invoke(zip);
        long centralDirectoryOffset = archive.getFilePointer();
        archive.seek(centralDirectoryOffset - 24);
        byte[] buffer = new byte[24];
        archive.readFully(buffer);
        zip.close();
        ByteBuffer footer = ByteBuffer.wrap(buffer);
        footer.order(ByteOrder.LITTLE_ENDIAN);
        if ((footer.getLong(8) == APK_SIG_BLOCK_MAGIC_LO)
                && (footer.getLong(16) == APK_SIG_BLOCK_MAGIC_HI)) {
            v2 = SIGNED_V2;
        }

    } catch (IOException | NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException | NoSuchMethodException | InvocationTargetException ex) {
    }
    return v1 | v2;
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
public static Path unzipToTemporaryDirectory(File file) throws IOException {
    ZipFile zipFile = new ZipFile(file);
    Enumeration<ZipArchiveEntry> zipEntries = zipFile.getEntries();
    Path tempDirectory = Files.createTempDirectory("temp");
    while (zipEntries.hasMoreElements()) {
        ZipArchiveEntry entry = zipEntries.nextElement();
        FileUtils.copyInputStreamToFile(zipFile.getInputStream(entry), new File(Paths.get(tempDirectory.toString(),"/" + entry.getName()).toString()));
    }

    zipFile.close();
    return tempDirectory;
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
public void decompressZip(File zipFile, String dir) throws IOException {
	ZipFile zf = new ZipFile(zipFile);
	try {
		for (Enumeration<ZipArchiveEntry> entries = zf.getEntries(); entries
				.hasMoreElements();) {
			ZipArchiveEntry ze = entries.nextElement();
			// 不存在則創建目標文件夾。
			File targetFile = new File(dir, ze.getName());
			// 遇到根目錄時跳過。
			if (ze.getName().lastIndexOf("/") == (ze.getName().length() - 1)) {
				continue;
			}
			// 如果文件夾不存在，創建文件夾。
			if (!targetFile.getParentFile().exists()) {
				targetFile.getParentFile().mkdirs();
			}

			InputStream i = zf.getInputStream(ze);
			OutputStream o = null;
			try {
				o = new FileOutputStream(targetFile);
				IOUtils.copy(i, o);
			} finally {
				if (i != null) {
					i.close();
				}
				if (o != null) {
					o.close();
				}
			}
		}
	} finally {
		zf.close();
	}
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
@Test
public void testZipFile() throws Exception {
    String aTargetFilename = "target/Z0-input.zip";
    ZipFilesTasklet aTasklet = new ZipFilesTasklet();
    aTasklet.setSourceBaseDirectory(new FileSystemResource("src/test/resources/testFiles/"));
    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:src/test/resources/testFiles/input.csv");
    aTasklet.setSourceFactory(aSourceFactory );
    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setExpression(aTargetFilename);
    aTasklet.setDestinationFactory(aDestinationFactory );
    
    assertFalse(new File(aTargetFilename).exists());
    
    StepContribution aStepContribution = mock(StepContribution.class);
    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(aStepContribution, null));
    verify(aStepContribution, times(1)).incrementReadCount();
    verify(aStepContribution, times(1)).incrementWriteCount(1);
    
    assertTrue(new File(aTargetFilename).exists());
    ZipFile aZipFile = new ZipFile(new File(aTargetFilename));
    Enumeration<ZipArchiveEntry> aEntries = aZipFile.getEntries();
    assertTrue(aEntries.hasMoreElements());
    assertEquals("input.csv", aEntries.nextElement().getName());
    assertFalse(aEntries.hasMoreElements());
    aZipFile.close();
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
@Test
public void testZipTwoFile() throws Exception {
    FileUtils.forceMkdir(new File("target/Z-testfiles/source"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/CP0-input.csv"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/CP1-input.csv"));

    String aTargetFilename = "target/Z1-input.zip";
    ZipFilesTasklet aTasklet = new ZipFilesTasklet();
    aTasklet.setSourceBaseDirectory(new FileSystemResource("target/Z-testfiles/source/"));
    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:target/Z-testfiles/source/*input*.csv");
    aTasklet.setSourceFactory(aSourceFactory );
    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setExpression(aTargetFilename);
    aTasklet.setDestinationFactory(aDestinationFactory );
    
    assertFalse(new File(aTargetFilename).exists());
    
    StepContribution aStepContribution = mock(StepContribution.class);
    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(aStepContribution, null));
    verify(aStepContribution, times(2)).incrementReadCount();
    verify(aStepContribution, times(2)).incrementWriteCount(1);
    
    assertTrue(new File(aTargetFilename).exists());
    ZipFile aZipFile = new ZipFile(new File(aTargetFilename));
    Enumeration<ZipArchiveEntry> aEntries = aZipFile.getEntries();
    assertTrue(aEntries.hasMoreElements());
    assertEquals("CP0-input.csv", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("CP1-input.csv", aEntries.nextElement().getName());
    assertFalse(aEntries.hasMoreElements());
    aZipFile.close();
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
@Test
public void testZipDirectory() throws Exception {
    FileUtils.forceMkdir(new File("target/Z-testfiles/source"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/CP0-input.csv"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/CP1-input.csv"));
    
    String aTargetFilename = "target/Z2-input.zip";
    ZipFilesTasklet aTasklet = new ZipFilesTasklet();
    aTasklet.setSourceBaseDirectory(new FileSystemResource("target/Z-testfiles/"));
    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:target/Z-testfiles/source/");
    aTasklet.setSourceFactory(aSourceFactory );
    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setExpression(aTargetFilename);
    aTasklet.setDestinationFactory(aDestinationFactory );
    
    assertFalse(new File(aTargetFilename).exists());
    
    StepContribution aStepContribution = mock(StepContribution.class);
    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(aStepContribution, null));
    verify(aStepContribution, times(3)).incrementReadCount();
    verify(aStepContribution, times(3)).incrementWriteCount(1);
    
    assertTrue(new File(aTargetFilename).exists());
    ZipFile aZipFile = new ZipFile(new File(aTargetFilename));
    Enumeration<ZipArchiveEntry> aEntries = aZipFile.getEntries();
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source/CP0-input.csv", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source/CP1-input.csv", aEntries.nextElement().getName());
    assertFalse(aEntries.hasMoreElements());
    aZipFile.close();
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
@Test
public void testZipDirectories() throws Exception {
    FileUtils.forceMkdir(new File("target/Z-testfiles/source/subdir"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/CP0-input.csv"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/subdir/CP1-input.csv"));
    
    String aTargetFilename = "target/Z3-input.zip";
    ZipFilesTasklet aTasklet = new ZipFilesTasklet();
    aTasklet.setSourceBaseDirectory(new FileSystemResource("target/Z-testfiles/"));
    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:target/Z-testfiles/source/");
    aTasklet.setSourceFactory(aSourceFactory );
    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setExpression(aTargetFilename);
    aTasklet.setDestinationFactory(aDestinationFactory );
    
    assertFalse(new File(aTargetFilename).exists());
    
    StepContribution aStepContribution = mock(StepContribution.class);
    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(aStepContribution, null));
    verify(aStepContribution, times(4)).incrementReadCount();
    verify(aStepContribution, times(4)).incrementWriteCount(1);
    
    assertTrue(new File(aTargetFilename).exists());
    ZipFile aZipFile = new ZipFile(new File(aTargetFilename));
    Enumeration<ZipArchiveEntry> aEntries = aZipFile.getEntries();
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source/CP0-input.csv", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source/subdir", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source/subdir/CP1-input.csv", aEntries.nextElement().getName());
    assertFalse(aEntries.hasMoreElements());
    aZipFile.close();
}
 

import org.apache.commons.compress.archivers.zip.ZipFile; //導入方法依賴的package包/類
@Test
public void testZipDirectoriesNotRecursive() throws Exception {
    FileUtils.forceMkdir(new File("target/Z-testfiles/source/subdir"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/CP0-input.csv"));
    FileUtils.copyFile(new File("src/test/resources/testFiles/input.csv"), new File("target/Z-testfiles/source/subdir/CP1-input.csv"));
    
    String aTargetFilename = "target/Z4-input.zip";
    ZipFilesTasklet aTasklet = new ZipFilesTasklet();
    aTasklet.setSourceBaseDirectory(new FileSystemResource("target/Z-testfiles/"));
    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:target/Z-testfiles/source/");
    aTasklet.setSourceFactory(aSourceFactory );
    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setExpression(aTargetFilename);
    aTasklet.setDestinationFactory(aDestinationFactory );
    aTasklet.setRecursive(false);
    
    assertFalse(new File(aTargetFilename).exists());
    
    StepContribution aStepContribution = mock(StepContribution.class);
    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(aStepContribution, null));
    verify(aStepContribution, times(2)).incrementReadCount();
    verify(aStepContribution, times(2)).incrementWriteCount(1);
    
    assertTrue(new File(aTargetFilename).exists());
    ZipFile aZipFile = new ZipFile(new File(aTargetFilename));
    Enumeration<ZipArchiveEntry> aEntries = aZipFile.getEntries();
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source", aEntries.nextElement().getName());
    assertTrue(aEntries.hasMoreElements());
    assertEquals("source/CP0-input.csv", aEntries.nextElement().getName());
    assertFalse(aEntries.hasMoreElements());
    aZipFile.close();
}