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:moskitt4me.repositoryClient.core.util.RepositoryClientUtil.java

public static void addFolderToZip(File folder, String parentFolder, ZipOutputStream zos) throws Exception {

    for (File file : folder.listFiles()) {

        if (file.isDirectory()) {
            zos.putNextEntry(new ZipEntry(parentFolder + file.getName() + "/"));
            zos.closeEntry();/*  w w  w  .jav  a2s .c  o m*/
            addFolderToZip(file, parentFolder + file.getName() + "/", zos);
            continue;
        } else {
            zos.putNextEntry(new ZipEntry(parentFolder + 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);
                bytesRead += read;
            }

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

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From source file:net.firejack.platform.core.utils.ArchiveUtils.java

public static void zip(OutputStream outputStream, Map<String, InputStream> filePaths) throws IOException {
    ZipOutputStream out = new ZipOutputStream(outputStream);

    for (Map.Entry<String, InputStream> file : filePaths.entrySet()) {
        String filename = file.getKey();
        InputStream stream = file.getValue();
        if (stream != null) {
            System.out.println("Adding: " + filename);
            ZipEntry entry = new ZipEntry(filename);
            out.putNextEntry(entry);
            IOUtils.copy(stream, out);/*from   w  w w. ja  va2s . co m*/
            stream.close();
        }
    }

    out.close();
}

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From source file:com.asakusafw.testdriver.compiler.util.DeploymentUtil.java

private static void putEntry(ZipOutputStream zip, File source, String path, Set<String> saw)
        throws IOException {
    assert zip != null;
    assert source != null;
    assert !(source.isFile() && path == null);
    if (source.isDirectory()) {
        for (File child : list(source)) {
            String next = (path == null) ? child.getName() : path + '/' + child.getName();
            putEntry(zip, child, next, saw);
        }/*from  w  w  w  .ja  v a2  s. co m*/
    } else {
        if (saw.contains(path)) {
            return;
        }
        saw.add(path);
        zip.putNextEntry(new ZipEntry(path));
        try (InputStream in = new BufferedInputStream(new FileInputStream(source))) {
            LOG.trace("Copy into archive: {} -> {}", source, path);
            copyStream(in, zip);
        }
        zip.closeEntry();
    }
}

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From source file:Main.java

/**
 * Zips a subfolder//from w ww. j av  a  2  s  . c om
 */
protected static void zipSubFolder(ZipOutputStream zipOut, File srcFolder, int basePathLength)
        throws IOException {
    final int BUFFER = 2048;

    File[] fileList = srcFolder.listFiles();
    BufferedInputStream bis = null;

    for (File file : fileList) {

        if (file.isDirectory()) {
            zipSubFolder(zipOut, file, basePathLength);

        } else {
            byte data[] = new byte[BUFFER];
            String unmodifiedFilePath = file.getPath();
            String relativePath = unmodifiedFilePath.substring(basePathLength);
            Log.d("ZIP SUBFOLDER", "Relative Path : " + relativePath);

            FileInputStream fis = new FileInputStream(unmodifiedFilePath);
            bis = new BufferedInputStream(fis, BUFFER);

            ZipEntry zipEntry = new ZipEntry(relativePath);
            zipOut.putNextEntry(zipEntry);

            int count;
            while ((count = bis.read(data, 0, BUFFER)) != -1) {
                zipOut.write(data, 0, count);
            }

            bis.close();
        }
    }
}

---

From source file:com.mvdb.etl.actions.ActionUtils.java

private static void zipDir(String origDir, File dirObj, ZipOutputStream zos) throws IOException {
    File[] files = dirObj.listFiles();
    byte[] tmpBuf = new byte[1024];

    for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
            zipDir(origDir, files[i], zos);
            continue;
        }/*  w  ww  .  j av a 2s  . com*/
        String wAbsolutePath = files[i].getAbsolutePath().substring(origDir.length() + 1,
                files[i].getAbsolutePath().length());
        FileInputStream in = new FileInputStream(files[i].getAbsolutePath());
        zos.putNextEntry(new ZipEntry(wAbsolutePath));
        int len;
        while ((len = in.read(tmpBuf)) > 0) {
            zos.write(tmpBuf, 0, len);
        }
        zos.closeEntry();
        in.close();
    }
}

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From source file:au.org.ands.vocabs.toolkit.utils.ToolkitFileUtils.java

/** Compress the files in the backup folder for a project.
 * @param projectId The project ID//from www  .j  a  v  a2s .  c  o  m
 * @throws IOException Any exception when reading/writing data.
 */
public static void compressBackupFolder(final String projectId) throws IOException {
    String backupPath = getBackupPath(projectId);
    if (!Files.isDirectory(Paths.get(backupPath))) {
        // No such directory, so nothing to do.
        return;
    }
    String projectSlug = makeSlug(projectId);
    // The name of the ZIP file that does/will contain all
    // backups for this project.
    Path zipFilePath = Paths.get(backupPath).resolve(projectSlug + ".zip");
    // A temporary ZIP file. Any existing content in the zipFilePath
    // will be copied into this, followed by any other files in
    // the directory that have not yet been added.
    Path tempZipFilePath = Paths.get(backupPath).resolve("temp" + ".zip");

    File tempZipFile = tempZipFilePath.toFile();
    if (!tempZipFile.exists()) {
        tempZipFile.createNewFile();
    }

    ZipOutputStream tempZipOut = new ZipOutputStream(new FileOutputStream(tempZipFile));

    File existingZipFile = zipFilePath.toFile();
    if (existingZipFile.exists()) {
        ZipFile zipIn = new ZipFile(existingZipFile);

        Enumeration<? extends ZipEntry> entries = zipIn.entries();
        while (entries.hasMoreElements()) {
            ZipEntry e = entries.nextElement();
            logger.debug("compressBackupFolder copying: " + e.getName());
            tempZipOut.putNextEntry(e);
            if (!e.isDirectory()) {
                copy(zipIn.getInputStream(e), tempZipOut);
            }
            tempZipOut.closeEntry();
        }
        zipIn.close();
    }

    File dir = new File(backupPath);
    File[] files = dir.listFiles();

    for (File source : files) {
        if (!source.getName().toLowerCase().endsWith(".zip")) {
            logger.debug("compressBackupFolder compressing and " + "deleting file: " + source.toString());
            if (zipFile(tempZipOut, source)) {
                source.delete();
            }
        }
    }

    tempZipOut.flush();
    tempZipOut.close();
    tempZipFile.renameTo(existingZipFile);
}

---

From source file:io.druid.java.util.common.CompressionUtils.java

/**
 * Zips the contents of the input directory to the output stream. Sub directories are skipped
 *
 * @param directory The directory whose contents should be added to the zip in the output stream.
 * @param out       The output stream to write the zip data to. Caller is responsible for closing this stream.
 *
 * @return The number of bytes (uncompressed) read from the input directory.
 *
 * @throws IOException//from w  w  w . j a va 2 s .c o m
 */
public static long zip(File directory, OutputStream out) throws IOException {
    if (!directory.isDirectory()) {
        throw new IOE("directory[%s] is not a directory", directory);
    }

    final ZipOutputStream zipOut = new ZipOutputStream(out);

    long totalSize = 0;
    for (File file : directory.listFiles()) {
        log.info("Adding file[%s] with size[%,d].  Total size so far[%,d]", file, file.length(), totalSize);
        if (file.length() >= Integer.MAX_VALUE) {
            zipOut.finish();
            throw new IOE("file[%s] too large [%,d]", file, file.length());
        }
        zipOut.putNextEntry(new ZipEntry(file.getName()));
        totalSize += Files.asByteSource(file).copyTo(zipOut);
    }
    zipOut.closeEntry();
    // Workaround for http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/759aa847dcaf
    zipOut.flush();
    zipOut.finish();

    return totalSize;
}

---

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

/**
 * Compress multiple Files with the given encoding.
 *
 * @param logFiles     files to be compressed
 * @param fromEncoding log file encoding
 * @param toEncoding   compressed log file encoding
 * @return compressed file byte array/*w  w  w.  j a  v a  2s .c  o m*/
 */
public static byte[] compress(File[] logFiles, Charset fromEncoding, Charset toEncoding) {
    FileInputStream fis = null;
    InputStreamReader isr = null;
    ByteArrayOutputStream out = null;
    ZipOutputStream zos = null;
    OutputStreamWriter osw = null;
    if (toEncoding == null) {
        toEncoding = Charset.defaultCharset();
    }
    if (fromEncoding == null) {
        fromEncoding = Charset.defaultCharset();
    }
    try {
        out = new ByteArrayOutputStream();
        zos = new ZipOutputStream(out);
        osw = new OutputStreamWriter(zos, toEncoding);
        for (File each : logFiles) {
            try {
                fis = new FileInputStream(each);
                isr = new InputStreamReader(fis, fromEncoding);
                ZipEntry zipEntry = new ZipEntry(each.getName());
                zipEntry.setTime(each.lastModified());
                zos.putNextEntry(zipEntry);
                char[] buffer = new char[COMPRESS_BUFFER_SIZE];
                int count;
                while ((count = isr.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
                    osw.write(buffer, 0, count);
                }
                osw.flush();
                zos.flush();
                zos.closeEntry();
            } catch (IOException e) {
                LOGGER.error("Error occurs while compressing {} : {}", each.getAbsolutePath(), e.getMessage());
                LOGGER.debug("Details ", e);
            } finally {
                IOUtils.closeQuietly(isr);
                IOUtils.closeQuietly(fis);
            }
        }
        zos.finish();
        zos.flush();
        return out.toByteArray();
    } catch (IOException e) {
        LOGGER.error("Error occurs while compressing log : {} ", e.getMessage());
        LOGGER.debug("Details : ", e);
        return null;
    } finally {
        IOUtils.closeQuietly(zos);
        IOUtils.closeQuietly(out);
        IOUtils.closeQuietly(osw);
    }
}

---

From source file:com.asakusafw.testdriver.compiler.util.DeploymentUtil.java

private static void mergeEntries(ZipOutputStream zip, File file, Set<String> saw) throws IOException {
    try (ZipInputStream in = new ZipInputStream(new BufferedInputStream(new FileInputStream(file)))) {
        while (true) {
            ZipEntry entry = in.getNextEntry();
            if (entry == null) {
                break;
            }/*from  ww  w.ja  v a 2s . com*/
            if (saw.contains(entry.getName())) {
                continue;
            }
            if (LOG.isTraceEnabled()) {
                LOG.trace("Copy into archive: {} -> {}", entry.getName(), file);
            }
            saw.add(entry.getName());
            zip.putNextEntry(new ZipEntry(entry.getName()));
            copyStream(in, zip);
        }
    }
}

---

From source file:net.minecraftforge.fml.common.asm.transformers.MarkerTransformer.java

private static void processJar(File inFile, File outFile, MarkerTransformer[] transformers) throws IOException {
    ZipInputStream inJar = null;/* w w  w  .  j a va 2 s . c o  m*/
    ZipOutputStream outJar = null;

    try {
        try {
            inJar = new ZipInputStream(new BufferedInputStream(new FileInputStream(inFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open input file: " + e.getMessage());
        }

        try {
            outJar = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open output file: " + e.getMessage());
        }

        ZipEntry entry;
        while ((entry = inJar.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                outJar.putNextEntry(entry);
                continue;
            }

            byte[] data = new byte[4096];
            ByteArrayOutputStream entryBuffer = new ByteArrayOutputStream();

            int len;
            do {
                len = inJar.read(data);
                if (len > 0) {
                    entryBuffer.write(data, 0, len);
                }
            } while (len != -1);

            byte[] entryData = entryBuffer.toByteArray();

            String entryName = entry.getName();

            if (entryName.endsWith(".class") && !entryName.startsWith(".")) {
                ClassNode cls = new ClassNode();
                ClassReader rdr = new ClassReader(entryData);
                rdr.accept(cls, 0);
                String name = cls.name.replace('/', '.').replace('\\', '.');

                for (MarkerTransformer trans : transformers) {
                    entryData = trans.transform(name, name, entryData);
                }
            }

            ZipEntry newEntry = new ZipEntry(entryName);
            outJar.putNextEntry(newEntry);
            outJar.write(entryData);
        }
    } finally {
        IOUtils.closeQuietly(outJar);
        IOUtils.closeQuietly(inJar);
    }
}

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