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

public static String compress(String filename) throws FileNotFoundException, IOException {
    byte[] buffer = new byte[4096];
    int bytesRead;
    String[] entries = { ".mp4" };
    String zipfile = filename.replace(".mp4", ".zip");
    if (!(new File(zipfile)).exists()) {
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));
        out.setLevel(Deflater.BEST_COMPRESSION);
        out.setMethod(ZipOutputStream.DEFLATED);
        for (int i = 0; i < entries.length; i++) {
            File f = new File(filename.replace(".mp4", entries[i]));
            if (f.exists()) {
                FileInputStream in = new FileInputStream(f);
                ZipEntry entry = new ZipEntry(f.getName());
                out.putNextEntry(entry);
                while ((bytesRead = in.read(buffer)) != -1)
                    out.write(buffer, 0, bytesRead);
                in.close();//ww w. j  a v a  2  s  .c  o  m
            }
        }
        out.close();
    }
    return zipfile;
}

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From source file:Main.java

private static void zipFile(ZipOutputStream zipOutputStream, String sourcePath) throws IOException {

    java.io.File files = new java.io.File(sourcePath);
    java.io.File[] fileList = files.listFiles();

    String entryPath = "";
    BufferedInputStream input = null;
    for (java.io.File file : fileList) {
        if (file.isDirectory()) {
            zipFile(zipOutputStream, file.getPath());
        } else {/*from  www . j  av  a2 s.co m*/
            byte data[] = new byte[BUFFER_SIZE];
            FileInputStream fileInputStream = new FileInputStream(file.getPath());
            input = new BufferedInputStream(fileInputStream, BUFFER_SIZE);
            entryPath = file.getAbsolutePath().replace(parentPath, "");

            ZipEntry entry = new ZipEntry(entryPath);
            zipOutputStream.putNextEntry(entry);

            int count;
            while ((count = input.read(data, 0, BUFFER_SIZE)) != -1) {
                zipOutputStream.write(data, 0, count);
            }
            input.close();
        }
    }

}

---

From source file:Main.java

public static void zip(String zipFileName, String[] zipEntries) {

    try (ZipOutputStream zos = new ZipOutputStream(
            new BufferedOutputStream(new FileOutputStream(zipFileName)))) {

        // Set the compression level to best compression
        zos.setLevel(Deflater.BEST_COMPRESSION);

        for (int i = 0; i < zipEntries.length; i++) {
            File entryFile = new File(zipEntries[i]);
            if (!entryFile.exists()) {
                System.out.println("The entry file  " + entryFile.getAbsolutePath() + "  does  not  exist");
                System.out.println("Aborted   processing.");
                return;
            }/*from   w w w  .j  a va  2  s.co  m*/
            ZipEntry ze = new ZipEntry(zipEntries[i]);
            zos.putNextEntry(ze);
            addEntryContent(zos, zipEntries[i]);
            zos.closeEntry();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.fredhopper.core.connector.index.FileUtils.java

public static void addToZipFile(final File file, final ZipOutputStream zos) throws IOException {

    final FileInputStream fis = new FileInputStream(file);
    final ZipEntry zipEntry = new ZipEntry(file.getName());
    zos.putNextEntry(zipEntry);/* w  w  w . j av  a  2s . c  om*/

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

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

---

From source file:Main.java

private static void compressDir(File srcFile, ZipOutputStream out, String destPath) throws IOException {
    if (srcFile.isDirectory()) {
        File subfile[] = srcFile.listFiles();
        for (int i = 0; i < subfile.length; i++) {
            compressDir(subfile[i], out, destPath);
        }//from  w  w w  . j a va2  s .  c  o  m
    } else {
        InputStream in = new FileInputStream(srcFile);
        String name = srcFile.getAbsolutePath().replace(destPath, "");
        if (name.startsWith("\\"))
            name = name.substring(1);
        ZipEntry entry = new ZipEntry(name);
        entry.setSize(srcFile.length());
        entry.setTime(srcFile.lastModified());
        out.putNextEntry(entry);
        int len = -1;
        byte buf[] = new byte[1024];
        while ((len = in.read(buf, 0, 1024)) != -1)
            out.write(buf, 0, len);

        out.closeEntry();
        in.close();
    }
}

---

From source file:es.caib.sgtsic.util.Zips.java

public static DataHandler generateZip(Map<String, DataHandler> documents) throws IOException {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream zip = new ZipOutputStream(baos);

    for (String key : documents.keySet()) {

        InputStream is = new ByteArrayInputStream(DataHandlers.dataHandlerToByteArray(documents.get(key)));
        ZipEntry zipEntry = new ZipEntry(key);
        zip.putNextEntry(zipEntry);/* w  w w. j  a  v  a  2s .c om*/
        IOUtils.copy(is, zip);
        zip.closeEntry();
        is.close();
    }

    zip.close();
    baos.close();

    return DataHandlers.byteArrayToDataHandler(baos.toByteArray(), "application/zip");

}

---

From source file:Compress.java

/** Zip the contents of the directory, and save it in the zipfile */
public static void zipDirectory(String dir, String zipfile) throws IOException, IllegalArgumentException {
    // Check that the directory is a directory, and get its contents
    File d = new File(dir);
    if (!d.isDirectory())
        throw new IllegalArgumentException("Not a directory:  " + dir);
    String[] entries = d.list();/*ww w  .  j  av  a  2s. c o m*/
    byte[] buffer = new byte[4096]; // Create a buffer for copying
    int bytesRead;

    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));

    for (int i = 0; i < entries.length; i++) {
        File f = new File(d, entries[i]);
        if (f.isDirectory())
            continue;//Ignore directory
        FileInputStream in = new FileInputStream(f); // Stream to read file
        ZipEntry entry = new ZipEntry(f.getPath()); // Make a ZipEntry
        out.putNextEntry(entry); // Store entry
        while ((bytesRead = in.read(buffer)) != -1)
            out.write(buffer, 0, bytesRead);
        in.close();
    }
    out.close();
}

---

From source file:com.splout.db.common.CompressorUtil.java

public static void createZip(File dir, File out, IOFileFilter filefilter, IOFileFilter dirFilter)
        throws IOException {
    Collection<File> files = FileUtils.listFiles(dir, filefilter, dirFilter);

    out.delete();//w  w  w  .j  a  v a 2 s  .com
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(out));
    byte[] buf = new byte[1024];
    for (File f : files) {
        ZipEntry ze = new ZipEntry(getRelativePath(f, dir));
        zos.putNextEntry(ze);
        InputStream is = new FileInputStream(f);
        int cnt;
        while ((cnt = is.read(buf)) >= 0) {
            zos.write(buf, 0, cnt);
        }
        is.close();
        zos.flush();
        zos.closeEntry();
    }
    zos.close();
}

---

From source file:Main.java

public static String zip(String filename) throws IOException {
    BufferedInputStream origin = null;
    Integer BUFFER_SIZE = 20480;//www . j  av a  2  s  .  c o  m

    if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {

        File flockedFilesFolder = new File(
                Environment.getExternalStorageDirectory() + File.separator + "FlockLoad");
        System.out.println("FlockedFileDir: " + flockedFilesFolder);
        String uncompressedFile = flockedFilesFolder.toString() + "/" + filename;
        String compressedFile = flockedFilesFolder.toString() + "/" + "flockZip.zip";
        ZipOutputStream out = new ZipOutputStream(
                new BufferedOutputStream(new FileOutputStream(compressedFile)));
        out.setLevel(9);
        try {
            byte data[] = new byte[BUFFER_SIZE];
            FileInputStream fi = new FileInputStream(uncompressedFile);
            System.out.println("Filename: " + uncompressedFile);
            System.out.println("Zipfile: " + compressedFile);
            origin = new BufferedInputStream(fi, BUFFER_SIZE);
            try {
                ZipEntry entry = new ZipEntry(
                        uncompressedFile.substring(uncompressedFile.lastIndexOf("/") + 1));
                out.putNextEntry(entry);
                int count;
                while ((count = origin.read(data, 0, BUFFER_SIZE)) != -1) {
                    out.write(data, 0, count);
                }
            } finally {
                origin.close();
            }
        } finally {
            out.close();
        }
        return "flockZip.zip";
    }
    return null;
}

---

From source file:Main.java

public void doZip(String filename, String zipfilename) throws Exception {
    byte[] buf = new byte[1024];
    FileInputStream fis = new FileInputStream(filename);
    fis.read(buf, 0, buf.length);/* w ww .  jav a  2  s.  co  m*/

    CRC32 crc = new CRC32();
    ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename));
    s.setLevel(6);

    ZipEntry entry = new ZipEntry(filename);
    entry.setSize((long) buf.length);
    crc.reset();
    crc.update(buf);
    entry.setCrc(crc.getValue());
    s.putNextEntry(entry);
    s.write(buf, 0, buf.length);
    s.finish();
    s.close();
}

---

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