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:Main.java

/**
 * zips a directory//from   www  .j  ava2 s . c o  m
 * @param dir2zip
 * @param zipOut
 * @param zipFileName
 * @throws IOException
 */
private static void zipDir(String dir2zip, ZipOutputStream zipOut, String zipFileName) throws IOException {
    File zipDir = new File(dir2zip);
    // get a listing of the directory content
    String[] dirList = zipDir.list();
    byte[] readBuffer = new byte[2156];
    int bytesIn = 0;
    // loop through dirList, and zip the files
    for (int i = 0; i < dirList.length; i++) {
        File f = new File(zipDir, dirList[i]);
        if (f.isDirectory()) {
            // if the File object is a directory, call this
            // function again to add its content recursively
            String filePath = f.getPath();
            zipDir(filePath, zipOut, zipFileName);
            // loop again
            continue;
        }

        if (f.getName().equals(zipFileName)) {
            continue;
        }
        // if we reached here, the File object f was not a directory
        // create a FileInputStream on top of f
        final InputStream fis = new BufferedInputStream(new FileInputStream(f));
        try {
            ZipEntry anEntry = new ZipEntry(f.getPath().substring(dir2zip.length() + 1));
            // place the zip entry in the ZipOutputStream object
            zipOut.putNextEntry(anEntry);
            // now write the content of the file to the ZipOutputStream
            while ((bytesIn = fis.read(readBuffer)) != -1) {
                zipOut.write(readBuffer, 0, bytesIn);
            }
        } finally {
            // close the Stream
            fis.close();
        }
    }
}

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

/**
 * Compress multiple Files./*  w w  w .  ja  v  a 2  s  . c o  m*/
 * 
 * @param logFiles
 *            files to be compressed
 * @return compressed file byte array
 */
public static byte[] compressFile(File[] logFiles) {
    FileInputStream fio = null;
    ByteArrayOutputStream out = null;
    ZipOutputStream zos = null;
    try {

        out = new ByteArrayOutputStream();
        zos = new ZipOutputStream(out);
        for (File each : logFiles) {
            try {
                fio = new FileInputStream(each);
                ZipEntry zipEntry = new ZipEntry(each.getName());
                zipEntry.setTime(each.lastModified());
                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();
            } catch (IOException e) {
                LOGGER.error("Error occurs while compress {}", each.getAbsolutePath());
                LOGGER.error("Details", e);
            } finally {
                IOUtils.closeQuietly(fio);
            }
        }
        zos.finish();
        zos.flush();
        return out.toByteArray();
    } catch (IOException e) {
        LOGGER.info("Error occurs while compress log : {} ", e.getMessage());
        LOGGER.debug("Details", e);
        return null;
    } finally {
        IOUtils.closeQuietly(zos);
        IOUtils.closeQuietly(fio);
        IOUtils.closeQuietly(out);
    }
}

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From source file:jodtemplate.io.ZipWriter.java

public void zipResources(final Resources resources, final OutputStream output) throws IOException {
    try (final ZipOutputStream zos = new ZipOutputStream(output);
            final BufferedOutputStream bos = new BufferedOutputStream(zos)) {
        for (Resource resource : resources.getResources()) {
            zos.putNextEntry(new ZipEntry(resource.getName()));
            try (final InputStream is = resource.getInputStream()) {
                zos.write(IOUtils.toByteArray(is));
            }/*from   ww  w. java2  s  .c  o  m*/
            zos.closeEntry();
        }
    }
}

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From source file:com.digitalreasoning.herman.JarCreater.java

public static void createJar(File outputJarFile, List<Entry> entries) throws IOException {
    if (!outputJarFile.getParentFile().exists()) {
        outputJarFile.getParentFile().mkdirs();
    }/* w  w  w  .java  2s  .co m*/
    if (!outputJarFile.exists()) {
        outputJarFile.createNewFile();
    }

    FileOutputStream fOut = new FileOutputStream(outputJarFile);
    JarOutputStream jarOut = new JarOutputStream(fOut);
    Set<String> packageSet = new HashSet<String>();
    try {
        for (Entry folderFile : entries) {
            InputStream inputStream = folderFile.resource.openStream();

            try {
                if (!packageSet.contains(folderFile.parentFolderName)) {
                    jarOut.putNextEntry(new ZipEntry(folderFile.parentFolderName));
                    jarOut.closeEntry();
                    packageSet.add(folderFile.parentFolderName);
                }

                jarOut.putNextEntry(new ZipEntry(folderFile.parentFolderName
                        + (folderFile.parentFolderName.endsWith("/") ? "" : "/") + folderFile.fileName));
                IOUtils.copy(inputStream, jarOut);
                jarOut.closeEntry();
            } finally {
                inputStream.close();
            }

        }

    } finally {
        jarOut.close();
        fOut.close();
    }
}

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From source file:com.autentia.web.rest.wadl.zipper.Zip.java

public void add(String name, InputStream inputStream) throws IOException {
    zipOutputStream.putNextEntry(new ZipEntry(name));

    IOUtils.copy(inputStream, zipOutputStream);

    zipOutputStream.closeEntry();/* w  ww . j  ava 2 s  .  c  o m*/
}

---

From source file:com.google.refine.model.medadata.PackageExtension.java

/**
 * Do the package since the final spec for the compression/bundle are not settled yet.
 * https://github.com/frictionlessdata/datapackage-js/issues/93
 * //from  w  w  w. j  a v  a 2 s. c  o m
 * @param pkg Package 
 * @param dataByteArrayOutputStream  ByteArrayOutputStream
 * @param destOs OutputStream
 * @throws IOException 
 * @throws FileNotFoundException 
 * @see Package#saveZip(String outputFilePath) 
 */
public static void saveZip(Package pkg, final ByteArrayOutputStream dataByteArrayOutputStream,
        final OutputStream destOs) throws FileNotFoundException, IOException {
    try (ZipOutputStream zos = new ZipOutputStream(destOs)) {
        // json file 
        ZipEntry entry = new ZipEntry(DataPackageMetadata.DEFAULT_FILE_NAME);
        zos.putNextEntry(entry);
        zos.write(pkg.getJson().toString(JSON_INDENT_FACTOR).getBytes());
        zos.closeEntry();
        // default data file to data.csv or given path(can only handle one file because files cannot be restored)
        String path = (String) pkg.getResources().get(0).getPath();
        entry = new ZipEntry(StringUtils.isBlank(path) ? "data.csv" : path);
        zos.putNextEntry(entry);
        zos.write(dataByteArrayOutputStream.toByteArray());
        zos.closeEntry();
    }
}

---

From source file:Main.java

/**
 * Zips a file at a location and places the resulting zip file at the toLocation.
 * <p/>//from ww w.  ja v  a2s  .co  m
 * Example:
 * zipFileAtPath("downloads/myfolder", "downloads/myFolder.zip");
 * <p/>
 * http://stackoverflow.com/a/14868161
 */
public static void zipFileAtPath(String sourcePath, String toLocation) throws IOException {
    final int BUFFER = 2048;

    File sourceFile = new File(sourcePath);
    FileOutputStream fos = new FileOutputStream(toLocation);
    ZipOutputStream zipOut = new ZipOutputStream(new BufferedOutputStream(fos));

    if (sourceFile.isDirectory()) {
        zipSubFolder(zipOut, sourceFile, sourceFile.getParent().length() + 1); // ??

    } else {
        byte data[] = new byte[BUFFER];
        FileInputStream fis = new FileInputStream(sourcePath);
        BufferedInputStream bis = new BufferedInputStream(fis, BUFFER);

        String lastPathComponent = sourcePath.substring(sourcePath.lastIndexOf("/"));

        ZipEntry zipEntry = new ZipEntry(lastPathComponent);
        zipOut.putNextEntry(zipEntry);

        int count;
        while ((count = bis.read(data, 0, BUFFER)) != -1) {
            zipOut.write(data, 0, count);
        }
    }

    zipOut.close();
}

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From source file:Main.java

/**
 * Compress files to a zip/*  w w  w .j  ava 2 s .com*/
 * @param zip
 * @param files
 * @throws IOException 
 */
public static void compressToZip(File zip, File[] files) throws IOException {
    byte data[] = new byte[BUFFER];
    FileOutputStream fozip = new FileOutputStream(zip);
    ZipOutputStream zo = new ZipOutputStream(new BufferedOutputStream(fozip));
    for (int i = 0; i < files.length; i++) {
        System.out.println("Adding:" + files[i]);
        FileInputStream fi = new FileInputStream(files[i]);
        BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
        ZipEntry zipentry = new ZipEntry(files[i].getName());
        zo.putNextEntry(zipentry);
        int count;
        while ((count = origin.read(data, 0, BUFFER)) != -1) {
            zo.write(data, 0, count);
        }
        origin.close();
    }
    zo.close();
}

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From source file:brut.directory.ZipUtils.java

private static void processFolder(final File folder, final ZipOutputStream zipOutputStream,
        final int prefixLength) throws BrutException, IOException {
    for (final File file : folder.listFiles()) {
        if (file.isFile()) {
            final String cleanedPath = BrutIO.sanitizeUnknownFile(folder,
                    file.getPath().substring(prefixLength));
            final ZipEntry zipEntry = new ZipEntry(BrutIO.normalizePath(cleanedPath));

            // aapt binary by default takes in parameters via -0 arsc to list extensions that shouldn't be
            // compressed. We will replicate that behavior
            final String extension = FilenameUtils.getExtension(file.getAbsolutePath());
            if (mDoNotCompress != null
                    && (mDoNotCompress.contains(extension) || mDoNotCompress.contains(zipEntry.getName()))) {
                zipEntry.setMethod(ZipEntry.STORED);
                zipEntry.setSize(file.length());
                BufferedInputStream unknownFile = new BufferedInputStream(new FileInputStream(file));
                CRC32 crc = BrutIO.calculateCrc(unknownFile);
                zipEntry.setCrc(crc.getValue());
                unknownFile.close();/*from w ww.  jav a  2  s  .  co m*/
            } else {
                zipEntry.setMethod(ZipEntry.DEFLATED);
            }

            zipOutputStream.putNextEntry(zipEntry);
            try (FileInputStream inputStream = new FileInputStream(file)) {
                IOUtils.copy(inputStream, zipOutputStream);
            }
            zipOutputStream.closeEntry();
        } else if (file.isDirectory()) {
            processFolder(file, zipOutputStream, prefixLength);
        }
    }
}

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

public static boolean zipFiles(Context ctx, Iterable<OmniFile> files, OmniFile zipOmni, int destination) {

    ZipOutputStream zos = null;//  w ww.j av  a2s.  com
    LogUtil.log(LogUtil.LogType.OMNI_ZIP, "ZIPPING TO: " + zipOmni.getPath());

    try {
        zos = new ZipOutputStream(zipOmni.getOutputStream());

        for (OmniFile file : files) {

            if (file.isDirectory()) {

                zipSubDirectory(ctx, "", file, zos);
            } else {

                LogUtil.log(LogUtil.LogType.OMNI_ZIP,
                        "zipping up: " + file.getPath() + " (bytes: " + file.length() + ")");

                /**
                 * Might get lucky here, can it associate the name with the copyLarge that follows
                 */
                ZipEntry ze = new ZipEntry(file.getName());
                zos.putNextEntry(ze);

                IOUtils.copyLarge(file.getFileInputStream(), zos);

                zos.flush();
            }
        }

        zos.close();
        return true;
    } catch (IOException e) {
        LogUtil.logException(LogUtil.LogType.OMNI_ZIP, e);
        e.printStackTrace();
    }

    return false;
}

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