Example usage for java.util.zip ZipOutputStream putNextEntry

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:com.mosso.client.cloudfiles.sample.FilesCopy.java

/**
 *
 * @param folder/* ww  w. j  av a 2s  .  c  o  m*/
 * @return null if the input is not a folder otherwise a zip file containing all the files in the folder with nested folders skipped.
 * @throws IOException
 */
public static File zipFolder(File folder) throws IOException {
    byte[] buf = new byte[1024];
    int len;

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

    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zippedFile));

    if (folder.isDirectory()) {
        File[] files = folder.listFiles();

        for (File f : files) {
            if (!f.isDirectory()) {
                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();
                in.close();
            } else
                logger.warn("Skipping nested folder: " + f.getAbsoluteFile());
        }

        out.flush();
        out.close();
    } else {
        logger.warn("The folder name supplied is not a folder!");
        System.err.println("The folder name supplied is not a folder!");
        return null;
    }

    return zippedFile;
}

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From source file:b2s.idea.mavenize.JarCombiner.java

private static void copyContentsOf(File input, ZipOutputStream output, JarContext context) throws IOException {
    ZipFile zip = null;/*w  w  w. ja  v a 2  s. c  o m*/
    try {
        zip = new ZipFile(input);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (fileCanBeIgnored(entry, context)) {
                continue;
            }

            if (isServiceEntry(entry)) {
                context.addService(entry.getName(), contentsOf(entry, zip));
                continue;
            }

            output.putNextEntry(new ZipEntry(entry.getName()));
            output.write(contentsOf(entry, zip));
            output.flush();
            output.closeEntry();

            context.addVisitedEntry(entry);
        }
    } finally {
        close(zip);
    }
}

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From source file:com.mc.printer.model.utils.ZipHelper.java

private static void writeZip(File file, String parentPath, ZipOutputStream zos) {
    if (file.exists()) {
        if (file.isDirectory()) {//?
            parentPath += file.getName() + File.separator;
            File[] files = file.listFiles();
            for (File f : files) {
                writeZip(f, parentPath, zos);
            }//from w w  w  .j  a v a 2  s  .com
        } else {
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(file);
                ZipEntry ze = new ZipEntry(parentPath + file.getName());
                zos.putNextEntry(ze);
                byte[] content = new byte[1024];
                int len;
                while ((len = fis.read(content)) != -1) {
                    zos.write(content, 0, len);
                    zos.flush();
                }

            } catch (FileNotFoundException e) {
                log.error("create zip file failed.", e);
            } catch (IOException e) {
                log.error("create zip file failed.", e);
            } finally {
                try {
                    if (fis != null) {
                        fis.close();
                    }
                } catch (IOException e) {
                    log.error("create zip file failed.", e);
                }
            }
        }
    }
}

---

From source file:com.izforge.izpack.util.IoHelper.java

public static void copyStreamToJar(InputStream zin, java.util.zip.ZipOutputStream out, String currentName,
        long fileTime) throws IOException {
    // Create new entry for zip file.
    ZipEntry newEntry = new ZipEntry(currentName);
    // Make sure there is date and time set.
    if (fileTime != -1) {
        newEntry.setTime(fileTime); // If found set it into output file.
    }/*  w w  w.j  ava 2s  .  c  o  m*/
    out.putNextEntry(newEntry);
    if (zin != null) {
        IOUtils.copy(zin, out);
    }
    out.closeEntry();
}

---

From source file:Main.java

public static String zip(String filename) throws IOException {
    BufferedInputStream origin = null;
    Integer BUFFER_SIZE = 20480;/*w ww. j av a2 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:gov.nih.nci.caintegrator.common.Cai2Util.java

private static void addFile(File curFile, ZipOutputStream out, int index) throws IOException {
    byte[] tmpBuf = new byte[BUFFER_SIZE];
    FileInputStream in = new FileInputStream(curFile);
    String relativePathName = curFile.getPath().substring(index);
    out.putNextEntry(new ZipEntry(relativePathName));
    int len;//w  w w. ja v  a 2s .  c o m
    while ((len = in.read(tmpBuf)) > 0) {
        out.write(tmpBuf, 0, len);
    }
    // Complete the entry
    out.closeEntry();
    in.close();
}

---

From source file:es.juntadeandalucia.panelGestion.negocio.utiles.Utils.java

public static byte[] compressXMLFiles(XMLFileVO[] xmlFiles) throws TransformerException, IOException {
    byte[] compressedFiles = null;

    ByteArrayOutputStream byteOS = new ByteArrayOutputStream();
    ZipOutputStream zipOS = new ZipOutputStream(byteOS);
    for (XMLFileVO xmlFile : xmlFiles) {
        ZipEntry entry = new ZipEntry(xmlFile.getName());
        zipOS.putNextEntry(entry);
        byte[] xml = documentToByte(xmlFile.getXml());
        ByteArrayInputStream byteIS = new ByteArrayInputStream(xml);
        IOUtils.copy(byteIS, zipOS);/* w w  w. j a  va 2  s.co m*/
        byteIS.close();
        zipOS.closeEntry();
    }
    zipOS.close();

    compressedFiles = byteOS.toByteArray();

    return compressedFiles;
}

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From source file:moskitt4me.repositoryClient.core.util.RepositoryClientUtil.java

public static void addFileToZip(File file, ZipOutputStream zos) throws Exception {

    zos.putNextEntry(new ZipEntry(file.getName()));

    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));

    long bytesRead = 0;
    byte[] bytesIn = new byte[1024];
    int read = 0;

    while ((read = bis.read(bytesIn)) != -1) {
        zos.write(bytesIn, 0, read);//from ww  w  . j  a v a2 s  . c om
        bytesRead += read;
    }

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

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From source file:com.l2jfree.sql.L2DataSource.java

protected static final boolean writeBackup(String databaseName, InputStream in) throws IOException {
    FileUtils.forceMkdir(new File("backup/database"));

    final Date time = new Date();

    final L2TextBuilder tb = new L2TextBuilder();
    tb.append("backup/database/DatabaseBackup_");
    tb.append(new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss").format(new Date()));
    tb.append("_uptime-").append(L2Config.getShortUptime());
    tb.append(".zip");

    final File backupFile = new File(tb.moveToString());

    int written = 0;
    ZipOutputStream out = null;
    try {//from w ww .ja  v  a 2 s. c o  m
        out = new ZipOutputStream(new FileOutputStream(backupFile));
        out.setMethod(ZipOutputStream.DEFLATED);
        out.setLevel(Deflater.BEST_COMPRESSION);
        out.setComment("L2jFree Schema Backup Utility\r\n\r\nBackup date: "
                + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS z").format(new Date()));
        out.putNextEntry(new ZipEntry(databaseName + ".sql"));

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

            written += read;
        }
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(out);
    }

    if (written == 0) {
        backupFile.delete();
        return false;
    }

    _log.info("DatabaseBackupManager: Database `" + databaseName + "` backed up successfully in "
            + (System.currentTimeMillis() - time.getTime()) / 1000 + " s.");
    return true;
}

---

From source file:Main.java

static void zipDir(File zipDir, ZipOutputStream zos, String name) throws IOException {
    // Create a new File object based on the directory we have to zip
    if (name.endsWith(File.separator))
        name = name.substring(0, name.length() - File.separator.length());
    if (!name.endsWith(ZIP_FILE_SEPARATOR))
        name = name + ZIP_FILE_SEPARATOR;

    // Place the zip entry in the ZipOutputStream object

    // Get a listing of the directory content
    File[] dirList = zipDir.listFiles();
    if (dirList.length == 0) { // empty directory
        if (DEBUG)
            System.out.println("Add empty entry for directory : " + name);
        ZipEntry anEntry = new ZipEntry(name);
        zos.putNextEntry(anEntry);
        return;//from  w ww.  j ava 2s  .c  om
    }

    // Loop through dirList, and zip the files
    for (int i = 0; i < dirList.length; i++) {
        File f = dirList[i];
        String fName = name + f.getName();
        if (f.isDirectory()) {
            // if the File object is a directory, call this
            // function again to add its content recursively
            zipDir(f, zos, fName);
        } else {
            zipFile(f, zos, fName);
        }
    }
    return;
}

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