Example usage for java.util.zip ZipOutputStream setMethod

List of usage examples for java.util.zip ZipOutputStream setMethod

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Introduction

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

Prototype

public void setMethod(int method)

Source Link

Document

Sets the default compression method for subsequent entries.

Usage

From source file:org.exist.util.Compressor.java

/**
 * The method <code>compress</code>
 *
 * @param whatToCompress a <code>byte[]</code> value
 * @param length an <code>int</code> value
 * @return a <code>byte[]</code> value
 * @exception IOException if an error occurs
 *///from  w  w w . j  a  v a 2s  .  c  o m
public static byte[] compress(byte[] whatToCompress, int length) throws IOException {
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final ZipOutputStream gzos = new ZipOutputStream(baos);
    gzos.setMethod(ZipOutputStream.DEFLATED);
    gzos.putNextEntry(new ZipEntry(length + ""));
    gzos.write(whatToCompress, 0, length);
    gzos.closeEntry();
    gzos.finish();
    gzos.close();
    return baos.toByteArray();
}

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();// w w w.  ja  v  a 2s.  c  o  m
            }
        }
        out.close();
    }
    return zipfile;
}

From source file:com.l2jfree.gameserver.util.DatabaseBackupManager.java

public static void makeBackup() {
    File f = new File(Config.DATAPACK_ROOT, Config.DATABASE_BACKUP_SAVE_PATH);
    if (!f.mkdirs() && !f.exists()) {
        _log.warn("Could not create folder " + f.getAbsolutePath());
        return;/*w  w w  .j  a va2  s  . com*/
    }

    _log.info("DatabaseBackupManager: backing up `" + Config.DATABASE_BACKUP_DATABASE_NAME + "`...");

    Process run = null;
    try {
        run = Runtime.getRuntime().exec("mysqldump" + " --user=" + Config.DATABASE_LOGIN + " --password="
                + Config.DATABASE_PASSWORD
                + " --compact --complete-insert --default-character-set=utf8 --extended-insert --lock-tables --quick --skip-triggers "
                + Config.DATABASE_BACKUP_DATABASE_NAME, null, new File(Config.DATABASE_BACKUP_MYSQLDUMP_PATH));
    } catch (Exception e) {
    } finally {
        if (run == null) {
            _log.warn("Could not execute mysqldump!");
            return;
        }
    }

    try {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
        Date time = new Date();

        File bf = new File(f, sdf.format(time) + (Config.DATABASE_BACKUP_COMPRESSION ? ".zip" : ".sql"));
        if (!bf.createNewFile())
            throw new IOException("Cannot create backup file: " + bf.getCanonicalPath());
        InputStream input = run.getInputStream();
        OutputStream out = new FileOutputStream(bf);
        if (Config.DATABASE_BACKUP_COMPRESSION) {
            ZipOutputStream dflt = new ZipOutputStream(out);
            dflt.setMethod(ZipOutputStream.DEFLATED);
            dflt.setLevel(Deflater.BEST_COMPRESSION);
            dflt.setComment("L2JFree Schema Backup Utility\r\n\r\nBackup date: "
                    + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS z").format(time));
            dflt.putNextEntry(new ZipEntry(Config.DATABASE_BACKUP_DATABASE_NAME + ".sql"));
            out = dflt;
        }

        byte[] buf = new byte[4096];
        int written = 0;
        for (int read; (read = input.read(buf)) != -1;) {
            out.write(buf, 0, read);

            written += read;
        }
        input.close();
        out.close();

        if (written == 0) {
            bf.delete();
            BufferedReader br = new BufferedReader(new InputStreamReader(run.getErrorStream()));
            String line;
            while ((line = br.readLine()) != null)
                _log.warn("DatabaseBackupManager: " + line);
            br.close();
        } else
            _log.info("DatabaseBackupManager: Schema `" + Config.DATABASE_BACKUP_DATABASE_NAME
                    + "` backed up successfully in " + (System.currentTimeMillis() - time.getTime()) / 1000
                    + " s.");

        run.waitFor();
    } catch (Exception e) {
        _log.warn("DatabaseBackupManager: Could not make backup: ", e);
    }
}

From source file:pl.umk.mat.zawodyweb.www.zip.ZipFile.java

public static byte[] zipContest(Contests contest) throws IOException, JAXBException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream out = new ZipOutputStream(baos);
    out.setMethod(ZipOutputStream.DEFLATED);
    out.setLevel(java.util.zip.Deflater.BEST_COMPRESSION);

    Contest xml = new Contest();
    ZipContest.addContest(out, xml, contest);
    putXml(out, "contest.xml", xml);

    out.close();/*w w  w.  j a  v a  2  s. co  m*/

    return baos.toByteArray();
}

From source file:pl.umk.mat.zawodyweb.www.zip.ZipFile.java

public static byte[] zipSerie(Series serie) throws IOException, JAXBException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream out = new ZipOutputStream(baos);
    out.setMethod(ZipOutputStream.DEFLATED);
    out.setLevel(java.util.zip.Deflater.BEST_COMPRESSION);

    Serie xml = new Serie();
    ZipSerie.addSerie(out, xml, serie);//w  w  w  . java  2s  .  com
    putXml(out, "serie.xml", xml);

    out.close();

    return baos.toByteArray();
}

From source file:pl.umk.mat.zawodyweb.www.zip.ZipFile.java

public static byte[] zipProblem(Problems problem) throws IOException, JAXBException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream out = new ZipOutputStream(baos);
    out.setMethod(ZipOutputStream.DEFLATED);
    out.setLevel(java.util.zip.Deflater.BEST_COMPRESSION);

    Problem xml = new Problem();
    ZipProblem.addProblem(out, xml, problem);
    putXml(out, "problem.xml", xml);

    out.close();//from   w  w  w  .  jav  a2  s. c  om

    return baos.toByteArray();
}

From source file:pl.umk.mat.zawodyweb.www.zip.ZipFile.java

public static byte[] zipTest(Tests test) throws IOException, JAXBException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream out = new ZipOutputStream(baos);
    out.setMethod(ZipOutputStream.DEFLATED);
    out.setLevel(java.util.zip.Deflater.BEST_COMPRESSION);

    Test xml = new Test();
    ZipTest.addTest(out, xml, test);/*from  w ww . ja  v a 2s.c o m*/
    putXml(out, "test.xml", xml);

    out.close();

    return baos.toByteArray();
}

From source file:pl.umk.mat.zawodyweb.www.zip.ZipFile.java

public static byte[] zipTests(List<Tests> tests) throws IOException, JAXBException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream out = new ZipOutputStream(baos);
    out.setMethod(ZipOutputStream.DEFLATED);
    out.setLevel(java.util.zip.Deflater.BEST_COMPRESSION);

    pl.umk.mat.zawodyweb.database.xml.Tests xml = new pl.umk.mat.zawodyweb.database.xml.Tests();
    for (Tests test : tests) {
        Test xmlTest = new Test();
        ZipTest.addTest(out, xmlTest, test);
        xml.getTests().add(xmlTest);/*from  w  ww  .  j a v  a 2  s .  co  m*/
    }
    putXml(out, "tests.xml", xml);

    out.close();

    return baos.toByteArray();
}

From source file:mpimp.assemblxweb.util.J5FileUtils.java

public static void zipDirectory(String dirPath, String targetPath) throws Exception {
    BufferedInputStream origin = null;
    FileOutputStream dest = new FileOutputStream(targetPath);
    ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(dest));
    out.setMethod(ZipOutputStream.DEFLATED);
    int BUFFER = 2048;
    byte data[] = new byte[BUFFER];
    zipDirectoryRecursively(dirPath, origin, BUFFER, out, data, new File(dirPath).getName());
    out.close();/*  www  .j a  v  a2 s . co  m*/

}

From source file:org.xdi.util.io.ResponseHelper.java

public static ZipOutputStream createZipStream(OutputStream output, String comment) {
    ZipOutputStream zos = new ZipOutputStream(output);

    zos.setComment("Shibboleth2 SP configuration files");
    zos.setMethod(ZipOutputStream.DEFLATED);
    zos.setLevel(Deflater.DEFAULT_COMPRESSION);

    return zos;/*from  w  w  w. java  2s  . c  om*/
}