Example usage for java.util.zip ZipEntry ZipEntry

Introduction

In this page you can find the example usage for java.util.zip ZipEntry ZipEntry.

Prototype

public ZipEntry(ZipEntry e) 

Source Link

Document

Creates a new zip entry with fields taken from the specified zip entry.

Usage

From source file:net.grinder.util.LogCompressUtil.java

/**
 * Compress the given file.// w w w  .  j  a  va2  s  . c o  m
 * 
 * @param logFile
 *            file to be compressed
 * @return compressed file byte array
 */
public static byte[] compressFile(File logFile) {
    FileInputStream fio = null;
    ByteArrayOutputStream out = null;
    ZipOutputStream zos = null;
    try {
        fio = new FileInputStream(logFile);
        out = new ByteArrayOutputStream();
        zos = new ZipOutputStream(out);
        ZipEntry zipEntry = new ZipEntry("log.txt");
        zipEntry.setTime(new Date().getTime());
        zos.putNextEntry(zipEntry);
        byte[] buffer = new byte[COMPRESS_BUFFER_SIZE];
        int count = 0;
        while ((count = fio.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
            zos.write(buffer, 0, count);
        }
        zos.closeEntry();
        zos.finish();
        zos.flush();
        return out.toByteArray();
    } catch (IOException e) {
        LOGGER.error("Error occurs while compress {}", logFile.getAbsolutePath());
        LOGGER.error("Details", e);
        return null;
    } finally {
        IOUtils.closeQuietly(zos);
        IOUtils.closeQuietly(fio);
        IOUtils.closeQuietly(out);
    }
}

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From source file:org.eclipse.gemini.blueprint.test.internal.util.jar.JarUtils.java

/**
 * /*from  w  ww. j av a  2s . co  m*/
 * Writes a resource content to a jar.
 * 
 * @param res
 * @param entryName
 * @param jarStream
 * @param bufferSize
 * @return the number of bytes written to the jar file
 * @throws Exception
 */
public static int writeToJar(Resource res, String entryName, JarOutputStream jarStream, int bufferSize)
        throws IOException {
    byte[] readWriteJarBuffer = new byte[bufferSize];

    // remove leading / if present.
    if (entryName.charAt(0) == '/')
        entryName = entryName.substring(1);

    jarStream.putNextEntry(new ZipEntry(entryName));
    InputStream entryStream = res.getInputStream();

    int numberOfBytes;

    // read data into the buffer which is later on written to the jar.
    while ((numberOfBytes = entryStream.read(readWriteJarBuffer)) != -1) {
        jarStream.write(readWriteJarBuffer, 0, numberOfBytes);
    }
    return numberOfBytes;
}

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From source file:io.apigee.buildTools.enterprise4g.utils.ZipUtils.java

static void addDir(File dirObj, ZipOutputStream out, File root, String prefix) throws IOException {
    File[] files = dirObj.listFiles();
    byte[] tmpBuf = new byte[1024];

    for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
            addDir(files[i], out, root, prefix);
            continue;
        }// w w  w.  j a va 2 s  .c o m
        FileInputStream in = new FileInputStream(files[i].getAbsolutePath());
        log.debug(" Adding: " + files[i].getAbsolutePath());

        String relativePath = files[i].getCanonicalPath().substring(root.getCanonicalPath().length());
        while (relativePath.startsWith("/")) {
            relativePath = relativePath.substring(1);
        }
        while (relativePath.startsWith("\\")) {
            relativePath = relativePath.substring(1);
        }

        String left = Matcher.quoteReplacement("\\");
        String right = Matcher.quoteReplacement("/");

        relativePath = relativePath.replaceAll(left, right);
        relativePath = (prefix == null) ? relativePath : prefix + "/" + relativePath;
        out.putNextEntry(new ZipEntry(relativePath));
        int len;
        while ((len = in.read(tmpBuf)) > 0) {
            out.write(tmpBuf, 0, len);
        }
        out.closeEntry();
        in.close();
    }
}

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From source file:mpimp.assemblxweb.util.J5FileUtils.java

private static void zipDirectoryRecursively(String dirPath, BufferedInputStream origin, int BUFFER,
        ZipOutputStream out, byte[] data, String parentDirName) throws Exception {
    File directory = new File(dirPath);
    File content[] = directory.listFiles();

    for (int i = 0; i < content.length; i++) {
        if (content[i].isDirectory()) {
            String parentPath = parentDirName + File.separator + content[i].getName();
            zipDirectoryRecursively(content[i].getAbsolutePath(), origin, BUFFER, out, data, parentPath);
        } else {// www. ja v a2s.  c  o m
            String filePathInDirectory = parentDirName + File.separator + content[i].getName();
            FileInputStream in = new FileInputStream(content[i].getAbsolutePath());
            origin = new BufferedInputStream(in, BUFFER);
            ZipEntry zipEntry = new ZipEntry(filePathInDirectory);
            out.putNextEntry(zipEntry);
            int count;
            while ((count = origin.read(data, 0, BUFFER)) != -1) {
                out.write(data, 0, count);
            }
            origin.close();
            in.close();
        }
    }
}

---

From source file:com.nuvolect.securesuite.util.OmniZip.java

public static void zipFile(String basePath, OmniFile file, ZipOutputStream zout) throws IOException {

    LogUtil.log(LogUtil.LogType.OMNI_ZIP, "zipFile : " + file.getPath());

    byte[] buffer = new byte[4096];

    InputStream fin = file.getFileInputStream();

    zout.putNextEntry(new ZipEntry(basePath + file.getName()));

    int length;//from   w  w w.  j  a  v a  2 s .  c  o  m

    while ((length = fin.read(buffer)) > 0) {
        zout.write(buffer, 0, length);
    }

    zout.closeEntry();
    fin.close();
}

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From source file:com.facebook.buck.util.zip.ZipScrubberTest.java

@Test
public void modificationTimesExceedShort() throws Exception {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] data = "data1".getBytes(Charsets.UTF_8);
    try (ZipOutputStream out = new ZipOutputStream(byteArrayOutputStream)) {
        for (long i = 0; i < Short.MAX_VALUE + 1; i++) {
            ZipEntry entry = new ZipEntry("file" + i);
            entry.setSize(data.length);//  w w w . ja  va2s  .  co m
            out.putNextEntry(entry);
            out.write(data);
            out.closeEntry();
        }
    }

    byte[] bytes = byteArrayOutputStream.toByteArray();
    ZipScrubber.scrubZipBuffer(bytes.length, ByteBuffer.wrap(bytes));

    // Iterate over each of the entries, expecting to see all zeros in the time fields.
    Date dosEpoch = new Date(ZipUtil.dosToJavaTime(ZipConstants.DOS_FAKE_TIME));
    try (ZipInputStream is = new ZipInputStream(new ByteArrayInputStream(bytes))) {
        for (ZipEntry entry = is.getNextEntry(); entry != null; entry = is.getNextEntry()) {
            assertThat(entry.getName(), new Date(entry.getTime()), Matchers.equalTo(dosEpoch));
        }
    }
}

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From source file:cross.io.misc.WorkflowZipper.java

private void addZipEntry(final int bufsize, final ZipOutputStream zos, final byte[] input_buffer,
        final File file, final HashSet<String> zipEntries) throws IOException {
    log.debug("Adding zip entry for file {}", file);
    if (file.exists() && file.isFile()) {
        // Use the file name for the ZipEntry name.
        final ZipEntry zip_entry = new ZipEntry(file.getName());
        if (zipEntries.contains(file.getName())) {
            log.info("Skipping duplicate zip entry {}", file.getName());
            return;
        } else {/*from  w w w.ja  va  2 s.  co  m*/
            zipEntries.add(file.getName());
        }
        zos.putNextEntry(zip_entry);

        // Create a buffered input stream from the file stream.
        final FileInputStream in = new FileInputStream(file);
        // Read from source into buffer and write, thereby compressing
        // on the fly
        try (BufferedInputStream source = new BufferedInputStream(in, bufsize)) {
            // Read from source into buffer and write, thereby compressing
            // on the fly
            int len = 0;
            while ((len = source.read(input_buffer, 0, bufsize)) != -1) {
                zos.write(input_buffer, 0, len);
            }
            zos.flush();
        }
        zos.closeEntry();
    } else {
        log.warn("Skipping nonexistant file or directory {}", file);
    }
}

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From source file:apim.restful.exportimport.utils.ArchiveGenerator.java

public static void addToZip(File directoryToZip, File file, ZipOutputStream zos)
        throws FileNotFoundException, IOException {

    FileInputStream fis = new FileInputStream(file);

    // we want the zipEntry's path to be a relative path that is relative
    // to the directory being zipped, so chop off the rest of the path
    String zipFilePath = file.getCanonicalPath().substring(directoryToZip.getCanonicalPath().length() + 1,
            file.getCanonicalPath().length());
    System.out.println("Writing '" + zipFilePath + "' to zip file");
    ZipEntry zipEntry = new ZipEntry(zipFilePath);
    zos.putNextEntry(zipEntry);/*  ww  w  .j  av a 2  s .co  m*/

    byte[] bytes = new byte[1024];
    int length;
    while ((length = fis.read(bytes)) >= 0) {
        zos.write(bytes, 0, length);
    }

    zos.closeEntry();
    fis.close();
}

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From source file:JarMaker.java

/**
 * used by downloadAndPack//from  ww w  .j  a va  2  s  .  c  o  m
 * @param _jout
 * @param _dir
 * @param _prefix
 * @throws IOException
 */
public static void add(JarOutputStream _jout, File _dir, String _prefix) throws IOException {

    File[] content = _dir.listFiles();
    if (_dir.isDirectory()) {
        for (int i = 0, l = content.length; i < l; ++i) {
            if (content[i].isDirectory()) {
                _jout.putNextEntry(
                        new ZipEntry(_prefix + (_prefix.equals("") ? "" : "/") + content[i].getName() + "/"));
                add(_jout, content[i], _prefix + (_prefix.equals("") ? "" : "/") + content[i].getName());
            } else {
                _jout.putNextEntry(
                        new ZipEntry(_prefix + (_prefix.equals("") ? "" : "/") + content[i].getName()));
                FileInputStream in = new FileInputStream(content[i]);
                write(in, _jout);
                in.close();
            }
        }
    } else {
        _jout.putNextEntry(new ZipEntry(_prefix + (_prefix.equals("") ? "" : "/") + _dir.getName()));
        FileInputStream in = new FileInputStream(_dir);
        write(in, _jout);
        in.close();
    }
}

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From source file:org.cloudfoundry.tools.io.zip.ZipArchiveTest.java

@Before
public void setup() throws Exception {
    MockitoAnnotations.initMocks(this);
    this.zipFile = this.temporaryFolder.newFile("zipfile.zip");
    ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(this.zipFile));
    try {/*from  w w w.j ava  2 s. com*/
        zipOutputStream.putNextEntry(new ZipEntry("/a/b/c.txt"));
        zipOutputStream.write("c".getBytes());
        zipOutputStream.putNextEntry(new ZipEntry("/d/"));
        zipOutputStream.putNextEntry(new ZipEntry("/d/e/"));
        zipOutputStream.putNextEntry(new ZipEntry("/d/f/"));
        zipOutputStream.putNextEntry(new ZipEntry("/d/f/g.txt"));
        zipOutputStream.putNextEntry(new ZipEntry("/d/f/h/"));
        zipOutputStream.write("g".getBytes());
    } finally {
        zipOutputStream.close();
    }
    this.zip = new ZipArchive(new LocalFolder(this.zipFile.getParentFile()).getFile(this.zipFile.getName()));
}

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