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

/**
 * creates azip file from an directory with all subfolders
 * @param dir//from ww  w  .j  a v  a  2 s  .c  o  m
 * @param zipFileName
 * @throws IOException
 */
public static void createZipFile(String dir, String zipFileName) throws IOException {
    String dirFile = dir + "/" + zipFileName;
    ZipOutputStream zipOut = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(dirFile)));
    try {
        zipDir(dir, zipOut, zipFileName);
    } finally {
        zipOut.close();
    }
}

From source file:Main.java

public static boolean compress(File file) {
    try {/*from   w  w w .  j  ava 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/*w w w  .  j a v a 2  s  . 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:Main.java

/**
 * Target is the zip to create//www . j  av  a  2s  . c  o m
 * Source is the file or directory to zip
 * 
 * @param zipTarget
 * @param source
 * @param m
 * @throws IOException
 */
static public void compressDirectory(File zipTarget, File source) throws IOException {

    // create a ZipOutputStream to zip the data to.
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipTarget));
    try {
        if (source.isDirectory()) {
            zipDir(source, zos, source.getName());
        } else
            zipFile(source, zos, source.getName());
    } finally {// close the stream
        zos.close();
    }
}

From source file:Main.java

public static String zip(String filename) throws IOException {
    BufferedInputStream origin = null;
    Integer BUFFER_SIZE = 20480;/*from   w  w w .j a  va  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:ZipHelper.java

public static void fileToZip(File file, File zipFile, int compressionLevel) throws Exception {
    zipFile.createNewFile();//  www  .  j a  v  a2 s  . co  m
    FileOutputStream fout = new FileOutputStream(zipFile);
    ZipOutputStream zout = null;
    try {
        zout = new ZipOutputStream(new BufferedOutputStream(fout));
        zout.setLevel(compressionLevel);
        if (file.isDirectory()) {
            File[] files = file.listFiles();
            for (int i = 0; i < files.length; i++)
                fileToZip(files[i], zout, file);
        } else if (file.isFile()) {
            fileToZip(file, zout, file.getParentFile());
        }
    } finally {
        if (zout != null)
            zout.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 ww.  j  a va 2s  .  c  o m
        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();/*from www.j a  v  a 2 s  .  c om*/
    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:Main.java

public static void zipDir(String zipFileName, String dir) throws Exception {
    ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFileName));

    zipDir(dir, zipOut);/* w w w  . j  a va  2s.c om*/

    zipOut.close();
}

From source file:com.microsoft.azurebatch.jenkins.utils.ZipHelper.java

/**
 * Zip folder/*from w w  w.  ja  v  a 2s. c o m*/
 * @param srcFolderPath source folder path
 * @param outputZipPath output zip file path
 * @throws FileNotFoundException
 * @throws IOException
 */
public static void zipFolder(String srcFolderPath, String outputZipPath)
        throws FileNotFoundException, IOException {
    ZipOutputStream zip = null;
    FileOutputStream fileWriter = null;

    // Create the output stream to zip file result
    fileWriter = new FileOutputStream(outputZipPath);
    zip = new ZipOutputStream(fileWriter);

    // Add the folder to the zip
    addFolderToZip("", srcFolderPath, zip);

    // Close the zip objects
    zip.flush();
    zip.close();
}