Example usage for java.util.zip ZipOutputStream ZipOutputStream

Introduction

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

Prototype

public ZipOutputStream(OutputStream out)

Source Link

Document

Creates a new ZIP output stream.

Usage

From source file:Main.java

private static byte[] createZip(Map<String, byte[]> files) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ZipOutputStream zf = new ZipOutputStream(bos);
    Iterator<String> it = files.keySet().iterator();
    String fileName = null;/*from w  ww .  j a v a  2s.  c  o m*/
    ZipEntry ze = null;

    while (it.hasNext()) {
        fileName = it.next();
        ze = new ZipEntry(fileName);
        zf.putNextEntry(ze);
        zf.write(files.get(fileName));
    }
    zf.close();

    return bos.toByteArray();
}

From source file:Main.java

public static void zipMutiCompress(File[] srcfile, File destFile) {
    byte[] buf = new byte[BUFFERED_SIZE];
    try {//from w w  w.  j av  a  2 s. c o  m
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(destFile));
        if (null != srcfile && srcfile.length > 0) {
            for (int i = 0; i < srcfile.length; i++) {
                File file = srcfile[i];
                if (null != file) {
                    FileInputStream in = new FileInputStream(file);
                    out.putNextEntry(new ZipEntry(file.getName()));
                    int len;
                    while ((len = in.read(buf)) > 0) {
                        out.write(buf, 0, len);
                    }
                    out.closeEntry();
                    in.close();
                }
            }
        }
        out.close();
    } catch (IOException e) {

    }
}

From source file:FolderZiper.java

static public void zipFolder(String srcFolder, String destZipFile) throws Exception {
    ZipOutputStream zip = null;/*w  w w .j a v a2  s . co  m*/
    FileOutputStream fileWriter = null;

    fileWriter = new FileOutputStream(destZipFile);
    zip = new ZipOutputStream(fileWriter);

    addFolderToZip("", srcFolder, zip);
    zip.flush();
    zip.close();
}

From source file:Main.java

public static ZipOutputStream createZipOutputStream(File file, int compressLevel) {
    try {//from  w  w  w .java  2 s.c  o  m
        if (!file.exists()) {
            file.createNewFile();
        }
        final FileOutputStream fos = new FileOutputStream(file);
        final ZipOutputStream zos = new ZipOutputStream(fos);
        zos.setLevel(compressLevel);
        return zos;
    } catch (final IOException e) {
        throw new RuntimeException(e);
    }

}

From source file:Main.java

static public File zipFolder(File srcFolder, String destZipFile) throws Exception {
    final File file = new File(srcFolder, destZipFile);
    final ZipOutputStream zip = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
    try {//  w w w .  j  a  v a2s.co m
        addFolderToZip("", srcFolder, zip, destZipFile);
    } finally {
        zip.close();
    }
    return file;
}

From source file:Main.java

public static void compressDir(File file) throws IOException {
    FileOutputStream f = new FileOutputStream(file.getParent() + file.getName() + ".zip");
    CheckedOutputStream cs = new CheckedOutputStream(f, new Adler32());
    ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(cs));

    compressDir(file, out, file.getAbsolutePath());

    out.flush();/*from   ww w.j  a v a  2s .c  om*/
    out.close();
}

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();//from  w  ww  .  j av  a 2 s .  co  m
            }
        }
        out.close();
    }
    return zipfile;
}

From source file:Main.java

public static void compressAFileToZip(File zip, File source) throws IOException {
    Log.d("source: " + source.getAbsolutePath(), ", length: " + source.length());
    Log.d("zip:", zip.getAbsolutePath());
    zip.getParentFile().mkdirs();//w w  w . ja  va  2 s.c o  m
    File tempFile = new File(zip.getAbsolutePath() + ".tmp");
    FileOutputStream fos = new FileOutputStream(tempFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    ZipOutputStream zos = new ZipOutputStream(bos);
    ZipEntry zipEntry = new ZipEntry(source.getName());
    zipEntry.setTime(source.lastModified());
    zos.putNextEntry(zipEntry);

    FileInputStream fis = new FileInputStream(source);
    BufferedInputStream bis = new BufferedInputStream(fis);
    byte[] bArr = new byte[4096];
    int byteRead = 0;
    while ((byteRead = bis.read(bArr)) != -1) {
        zos.write(bArr, 0, byteRead);
    }
    zos.flush();
    zos.closeEntry();
    zos.close();
    Log.d("zipEntry: " + zipEntry, "compressedSize: " + zipEntry.getCompressedSize());
    bos.flush();
    fos.flush();
    bos.close();
    fos.close();
    bis.close();
    fis.close();
    zip.delete();
    tempFile.renameTo(zip);
}

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 www. j  a  va  2  s .c  o m*/
            ZipEntry ze = new ZipEntry(zipEntries[i]);
            zos.putNextEntry(ze);
            addEntryContent(zos, zipEntries[i]);
            zos.closeEntry();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Utils.java

/**
 * Zip a list of file into one zip file.
 * //from   w  w  w  .  j  a  va 2 s  .  c o  m
 * @param files
 *          files to zip
 * @param targetZipFile
 *          target zip file
 * @throws IOException
 *           IO error exception can be thrown when copying ...
 */
public static void zipFile(final File[] files, final File targetZipFile) throws IOException {
    try {
        FileOutputStream fos = new FileOutputStream(targetZipFile);
        ZipOutputStream zos = new ZipOutputStream(fos);
        byte[] buffer = new byte[128];
        for (int i = 0; i < files.length; i++) {
            File currentFile = files[i];
            if (!currentFile.isDirectory()) {
                ZipEntry entry = new ZipEntry(currentFile.getName());
                FileInputStream fis = new FileInputStream(currentFile);
                zos.putNextEntry(entry);
                int read = 0;
                while ((read = fis.read(buffer)) != -1) {
                    zos.write(buffer, 0, read);
                }
                zos.closeEntry();
                fis.close();
            }
        }
        zos.close();
        fos.close();
    } catch (FileNotFoundException e) {
        System.out.println("File not found : " + e);
    }

}