Example usage for java.util.zip ZipOutputStream write

Introduction

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

Prototype

public synchronized void write(byte[] b, int off, int len) throws IOException

Source Link

Document

Writes an array of bytes to the current ZIP entry data.

Usage

From source file:Main.java

public static boolean compress(File file) {
    try {/*from   w ww .  j  av a  2 s.  c o  m*/
        String fileName = file.getName();
        if (fileName.indexOf(".") != -1)
            fileName = fileName.substring(0, fileName.indexOf("."));
        FileOutputStream f = new FileOutputStream(file.getParent() + "/" + fileName + ".zip");
        CheckedOutputStream cs = new CheckedOutputStream(f, new Adler32());
        ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(cs));
        InputStream in = new FileInputStream(file);
        out.putNextEntry(new ZipEntry(file.getName()));
        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();
        out.close();
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

/**
 * Compress a String to a zip file that has only one entry like zipName
 * The name shouldn't have .zip//from  www  .  j a  v a  2s  .c o  m
 * 
 * @param content
 * @param fName
 * @throws IOException 
 */
public static void zipAContentAsFileName(String fName, String content, String charset) throws IOException {
    ByteArrayInputStream bais = new ByteArrayInputStream(content.getBytes(charset));
    BufferedInputStream bis = new BufferedInputStream(bais);

    File f = new File(fName);
    File parentFile = f.getParentFile();
    if (!parentFile.exists()) {
        parentFile.mkdirs();
    }
    ZipOutputStream zf = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(f + ".zip")));

    ZipEntry entry = new ZipEntry(f.getName());
    zf.putNextEntry(entry);
    byte[] barr = new byte[8192];
    int len = 0;
    while ((len = bis.read(barr)) != -1) {
        zf.write(barr, 0, len);
    }
    zf.flush();
    zf.close();
    bis.close();
    bais.close();
}

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);/*from   w  w  w.  j a  v a  2  s  .  com*/

    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:ch.rgw.compress.CompEx.java

public static byte[] CompressZIP(InputStream in) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[8192];
    baos.write(buf, 0, 4); // Lnge des Originalstroms
    ZipOutputStream zo = new ZipOutputStream(baos);
    zo.putNextEntry(new ZipEntry("Data"));
    int l;/*  ww  w. j av  a2  s.  c  om*/
    long total = 0;
    ;
    while ((l = in.read(buf, 0, buf.length)) != -1) {
        zo.write(buf, 0, l);
        total += l;
    }
    zo.close();
    byte[] ret = baos.toByteArray();
    // Die hchstwertigen 3 Bit als Typmarker setzen
    total &= 0x1fffffff;
    total |= ZIP;
    BinConverter.intToByteArray((int) total, ret, 0);
    return ret;
}

From source file:Main.java

public static void compressFiles(File files[], File fileCompressed) throws IOException {

    byte[] buffer = new byte[SIZE_OF_BUFFER];
    ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(fileCompressed));
    for (int i = 0; i < files.length; i++) {
        FileInputStream fileInputStream = new FileInputStream(files[i]);
        zipOutputStream.putNextEntry(new ZipEntry(files[i].getPath()));

        int size;
        while ((size = fileInputStream.read(buffer)) > 0)
            zipOutputStream.write(buffer, 0, size);

        zipOutputStream.closeEntry();/* w  ww  .  j av  a  2 s .c o m*/
        fileInputStream.close();
    }

    zipOutputStream.close();
}

From source file:com.formkiq.core.util.Zips.java

/**
 * Create Zip file.//w  w w  . j ava  2  s.  com
 * @param map {@link Map}
 * @return byte[] zip file
 * @throws IOException IOException
 */
public static byte[] zipFile(final Map<String, byte[]> map) throws IOException {

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

    for (Map.Entry<String, byte[]> e : map.entrySet()) {

        String name = e.getKey();
        byte[] data = e.getValue();

        ZipEntry ze = new ZipEntry(name);
        zip.putNextEntry(ze);

        zip.write(data, 0, data.length);
        zip.closeEntry();
    }

    zip.finish();

    byte[] bytes = bs.toByteArray();

    IOUtils.closeQuietly(bs);
    IOUtils.closeQuietly(zip);

    return bytes;
}

From source file:FolderZiper.java

static private void addFileToZip(String path, String srcFile, ZipOutputStream zip) throws Exception {

    File folder = new File(srcFile);
    if (folder.isDirectory()) {
        addFolderToZip(path, srcFile, zip);
    } else {//from ww  w .jav  a  2  s  . c  o  m
        byte[] buf = new byte[1024];
        int len;
        FileInputStream in = new FileInputStream(srcFile);
        zip.putNextEntry(new ZipEntry(path + "/" + folder.getName()));
        while ((len = in.read(buf)) > 0) {
            zip.write(buf, 0, len);
        }
    }
}

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. ja  v a2  s .c  om*/
    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

private static void compressFile(File file, ZipOutputStream out, String basedir) {
    if (!file.exists()) {
        return;//ww  w  .  j a  va 2 s  .  c o  m
    }
    try {
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
        ZipEntry entry = new ZipEntry(basedir + file.getName());
        out.putNextEntry(entry);
        int count;
        byte data[] = new byte[BUFFER];
        while ((count = bis.read(data, 0, BUFFER)) != -1) {
            out.write(data, 0, count);
        }
        bis.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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();/* ww w.j a  v  a2 s . com*/
    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);
}