Example usage for java.util.zip ZipOutputStream putNextEntry

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

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Introduction

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

Prototype

public void putNextEntry(ZipEntry e) throws IOException

Source Link

Document

Begins writing a new ZIP file entry and positions the stream to the start of the entry data.

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();/*from ww  w  .jav a2s.  com*/
            }
        }
        out.close();
    }
    return zipfile;
}

From source file:com.rackspacecloud.client.cloudfiles.sample.FilesCopy.java

public static File zipFile(File f) throws IOException {
    byte[] buf = new byte[1024];
    int len;/*from   www . ja  v a  2  s . c  om*/

    // Create the ZIP file
    String filenameWithZipExt = f.getName() + ZIPEXTENSION;
    File zippedFile = new File(FilenameUtils.concat(SYSTEM_TMP.getAbsolutePath(), filenameWithZipExt));

    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zippedFile));
    FileInputStream in = new FileInputStream(f);

    // Add ZIP entry to output stream.
    out.putNextEntry(new ZipEntry(f.getName()));

    // Transfer bytes from the file to the ZIP file
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }

    // Complete the entry
    out.closeEntry();
    out.flush();

    in.close();
    out.close();

    return zippedFile;
}

From source file:net.grinder.util.LogCompressUtil.java

/**
 * Compress the given file./*from w  w  w . j av  a2  s.  c o  m*/
 * 
 * @param logFile
 *            file to be compressed
 * @return compressed file byte array
 */
public static byte[] compressFile(File logFile) {
    FileInputStream fio = null;
    ByteArrayOutputStream out = null;
    ZipOutputStream zos = null;
    try {
        fio = new FileInputStream(logFile);
        out = new ByteArrayOutputStream();
        zos = new ZipOutputStream(out);
        ZipEntry zipEntry = new ZipEntry("log.txt");
        zipEntry.setTime(new Date().getTime());
        zos.putNextEntry(zipEntry);
        byte[] buffer = new byte[COMPRESS_BUFFER_SIZE];
        int count = 0;
        while ((count = fio.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
            zos.write(buffer, 0, count);
        }
        zos.closeEntry();
        zos.finish();
        zos.flush();
        return out.toByteArray();
    } catch (IOException e) {
        LOGGER.error("Error occurs while compress {}", logFile.getAbsolutePath());
        LOGGER.error("Details", e);
        return null;
    } finally {
        IOUtils.closeQuietly(zos);
        IOUtils.closeQuietly(fio);
        IOUtils.closeQuietly(out);
    }
}

From source file:com.jaspersoft.studio.community.utils.CommunityAPIUtils.java

/**
 * Creates a ZIP file using the specified zip entries.
 * /*from   www .ja  va2s. co m*/
 * @param zipEntries the list of entries that will end up in the final zip file
 * @return the zip file reference
 * @throws CommunityAPIException
 */
public static File createZipFile(List<ZipEntry> zipEntries) throws CommunityAPIException {
    String tmpDirectory = System.getProperty("java.io.tmpdir"); //$NON-NLS-1$
    String zipFileLocation = tmpDirectory;
    if (!(tmpDirectory.endsWith("/") || tmpDirectory.endsWith("\\"))) { //$NON-NLS-1$ //$NON-NLS-2$
        zipFileLocation += System.getProperty("file.separator"); //$NON-NLS-1$
    }
    zipFileLocation += "issueDetails.zip"; //$NON-NLS-1$

    try {
        // create byte buffer
        byte[] buffer = new byte[1024];
        // create object of FileOutputStream
        FileOutputStream fout = new FileOutputStream(zipFileLocation);
        // create object of ZipOutputStream from FileOutputStream
        ZipOutputStream zout = new ZipOutputStream(fout);

        for (ZipEntry ze : zipEntries) {
            //create object of FileInputStream for source file
            FileInputStream fin = new FileInputStream(ze.getLocation());
            zout.putNextEntry(new java.util.zip.ZipEntry(ze.getLocation()));
            // After creating entry in the zip file, actually write the file.
            int length;
            while ((length = fin.read(buffer)) > 0) {
                zout.write(buffer, 0, length);
            }
            //close the zip entry and related InputStream
            zout.closeEntry();
            fin.close();
        }
        //close the ZipOutputStream
        zout.close();
    } catch (IOException e) {
        throw new CommunityAPIException(Messages.CommunityAPIUtils_ZipCreationError, e);
    }
    return new File(zipFileLocation);
}

From source file:com.compomics.pladipus.core.control.util.ZipUtils.java

static private void addFileToZip(String path, String srcFile, ZipOutputStream zip)
        throws UnspecifiedPladipusException, FileNotFoundException, IOException {
    File folder = new File(srcFile);
    if (folder.isDirectory()) {
        addFolderToZip(path, srcFile, zip);
    } else {/* www  .ja va 2 s  .  co  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.jaspersoft.jasperserver.jrsh.common.ZipUtil.java

protected static void addFiles(ZipOutputStream zos, String folder, String baseFolder) throws Exception {
    File file = new File(folder);
    if (file.exists()) {
        if (file.isDirectory()) {
            if (!folder.equalsIgnoreCase(baseFolder)) {
                String entryName = folder.substring(baseFolder.length() + 1, folder.length()) + separatorChar;
                ZipEntry zipEntry = new ZipEntry(entryName);
                zos.putNextEntry(zipEntry);
            }/* ww  w .j  a  v a2  s .  co m*/
            File files[] = file.listFiles();
            if (files != null) {
                for (File f : files) {
                    addFiles(zos, f.getAbsolutePath(), baseFolder);
                }
            }
        } else {
            String entryName = folder.substring(baseFolder.length() + 1, folder.length());
            ZipEntry zipEntry = new ZipEntry(entryName);
            zos.putNextEntry(zipEntry);

            try (FileInputStream in = new FileInputStream(folder)) {
                int len;
                byte buf[] = new byte[1024];
                while ((len = in.read(buf)) > 0) {
                    zos.write(buf, 0, len);
                }
                zos.closeEntry();
            }
        }
    }
}

From source file:dk.netarkivet.common.utils.ZipUtils.java

/** Zip the contents of a directory into a file.
 *  Does *not* zip recursively.//from w ww.ja va 2 s  . c  o  m
 *
 * @param dir The directory to zip.
 * @param into The (zip) file to create.  The name should typically end
 * in .zip, but that is not required.
 */
public static void zipDirectory(File dir, File into) {
    ArgumentNotValid.checkNotNull(dir, "File dir");
    ArgumentNotValid.checkNotNull(into, "File into");
    ArgumentNotValid.checkTrue(dir.isDirectory(), "directory '" + dir + "' to zip is not a directory");
    ArgumentNotValid.checkTrue(into.getAbsoluteFile().getParentFile().canWrite(),
            "cannot write to '" + into + "'");

    File[] files = dir.listFiles();
    FileOutputStream out;
    try {
        out = new FileOutputStream(into);
    } catch (IOException e) {
        throw new IOFailure("Error creating ZIP outfile file '" + into + "'", e);
    }
    ZipOutputStream zipout = new ZipOutputStream(out);
    try {
        try {
            for (File f : files) {
                if (f.isFile()) {
                    ZipEntry entry = new ZipEntry(f.getName());
                    zipout.putNextEntry(entry);
                    FileUtils.writeFileToStream(f, zipout);
                } // Not doing directories yet.
            }
        } finally {
            zipout.close();
        }
    } catch (IOException e) {
        throw new IOFailure("Failed to zip directory '" + dir + "'", e);
    }
}

From source file:Main.java

private static void zipDir(String dir, ZipOutputStream out) throws IOException {
    File directory = new File(dir);

    URI base = directory.toURI();

    ArrayList<File> filesToZip = new ArrayList<File>();

    GetFiles(directory, filesToZip);//from  ww w . j  a  v  a 2s  .  c om

    for (int i = 0; i < filesToZip.size(); ++i) {
        FileInputStream in = new FileInputStream(filesToZip.get(i));

        String name = base.relativize(filesToZip.get(i).toURI()).getPath();

        out.putNextEntry(new ZipEntry(name));

        byte[] buf = new byte[4096];
        int bytes = 0;

        while ((bytes = in.read(buf)) != -1) {
            out.write(buf, 0, bytes);
        }

        out.closeEntry();

        in.close();
    }

    out.finish();
    out.flush();
}

From source file:de.tudarmstadt.ukp.clarin.webanno.api.dao.ZipUtils.java

private static void addToZip(ZipOutputStream zip, File aBasePath, File aPath) throws IOException {
    if (aPath.isDirectory()) {
        for (File file : aPath.listFiles()) {
            addToZip(zip, aBasePath, file);
        }/* w  w w  .  j  ava 2  s .  c  o  m*/
    } else {
        FileInputStream in = null;
        try {
            in = new FileInputStream(aPath);
            String relativePath = aBasePath.toURI().relativize(aPath.toURI()).getPath();
            zip.putNextEntry(new ZipEntry(relativePath));
            IOUtils.copy(in, zip);
        } finally {
            closeQuietly(in);
        }
    }
}

From source file:com.juancarlosroot.threads.SimulatedUser.java

public static void addToZipFile(String fileName, ZipOutputStream zos)
        throws FileNotFoundException, IOException {
    File file = new File(fileName);
    FileInputStream fis = new FileInputStream(file);
    ZipEntry zipEntry = new ZipEntry(fileName);
    zos.putNextEntry(zipEntry);

    byte[] bytes = new byte[2048];
    int length;/*from  w  ww  .  j  ava2 s.com*/
    while ((length = fis.read(bytes)) >= 0) {
        zos.write(bytes, 0, length);
    }

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