Example usage for java.util.zip ZipInputStream read

Introduction

In this page you can find the example usage for java.util.zip ZipInputStream read.

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:org.vulpe.commons.util.VulpeZipUtil.java

public static byte[] zip(final Map<String, FileInputStream> streams, final String outputFile) {
    byte[] buffer = new byte[1024];

    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {/*from w ww. j  a  v  a  2 s.c om*/
        final FileOutputStream fos = new FileOutputStream(outputFile);

        final ZipOutputStream out = new ZipOutputStream(fos);
        for (final String key : streams.keySet()) {
            final FileInputStream stream = streams.get(key);
            final ZipInputStream zin = new ZipInputStream(
                    new ByteArrayInputStream(IOUtils.toByteArray(stream)));
            out.putNextEntry(new ZipEntry(key));
            int len = 0;
            while ((len = zin.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
            out.closeEntry();
            zin.close();
            stream.close();
        }

        out.close();

    } catch (IOException e) {
    }
    return baos.toByteArray();
}

From source file:io.vertx.config.vault.utils.VaultDownloader.java

private static void extractFile(ZipInputStream zipIn, String filePath) throws IOException {
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    byte[] bytesIn = new byte[4096];
    int read = 0;
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);// www.j  av a  2  s.co m
    }
    bos.close();
}

From source file:Main.java

public static void unzip(String zipFilePath, String fileName) {

    try {//w w w. j a  v a 2s  .  c  o m
        FileInputStream fin = new FileInputStream(zipFilePath);
        ZipInputStream zin = new ZipInputStream(fin);

        do {
            // no-op
        } while (!zin.getNextEntry().getName().equals(fileName));

        OutputStream os = new FileOutputStream(fileName);

        byte[] buffer = new byte[1024];
        int length;

        //read the entry from zip file and extract it to disk
        while ((length = zin.read(buffer)) > 0) {
            os.write(buffer, 0, length);
        }
        os.close();
        zin.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

}

From source file:Main.java

private static void extractFile(ZipInputStream in, File outdir, String name) throws IOException {
    byte[] buffer = new byte[4096];

    final File file = new File(outdir, name);
    try (final FileOutputStream fos = new FileOutputStream(file)) {
        try (final BufferedOutputStream out = new BufferedOutputStream(fos)) {
            int count;
            while ((count = in.read(buffer)) != -1) {
                out.write(buffer, 0, count);
            }//from  w  ww  .j  a  v  a  2s .  co m
        }
    }
}

From source file:com.worldline.easycukes.commons.helpers.FileHelper.java

/**
 * Extracts a specific file from a zip folder
 *
 * @param zip      a {@link ZipInputStream} corresponding to the zip folder to be
 *                 extracted/*from  w  ww  .j  a  v a  2 s  .  c o  m*/
 * @param filePath the path of the file to be extracted from the zip folder
 * @throws IOException if anything's going wrong while extracting the content of the
 *                     zip
 */
private static void extractFile(@NonNull ZipInputStream zip, @NonNull String filePath) throws IOException {
    @Cleanup
    final BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    final byte[] bytesIn = new byte[BUFFER_SIZE];
    int read = 0;
    while ((read = zip.read(bytesIn)) != -1)
        bos.write(bytesIn, 0, read);
}

From source file:Main.java

public static void extractEntryContent(ZipInputStream zis, ZipEntry entry, String unzipdir)
        throws IOException, FileNotFoundException {

    String entryFileName = entry.getName();
    String entryPath = unzipdir + File.separator + entryFileName;

    createFile(entryPath);//from  ww  w.  j  a  v a  2 s.com

    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(entryPath));

    byte[] buffer = new byte[1024];
    int count = -1;
    while ((count = zis.read(buffer)) != -1) {
        bos.write(buffer, 0, count);
    }

    bos.close();
}

From source file:Main.java

public static void Unzip(String dir, byte[] data) throws Exception {
    ByteArrayInputStream input = new ByteArrayInputStream(data);
    ZipInputStream zipIn = new ZipInputStream(input);
    ZipEntry entry;// w  w  w  .  j a v a 2s .co  m
    while ((entry = zipIn.getNextEntry()) != null) {
        String outpath = dir + entry.getName();
        FileOutputStream output = null;
        try {
            File f = new File(outpath);
            f.getParentFile().mkdirs();

            output = new FileOutputStream(f);
            int len = 0;
            byte[] buffer = new byte[4096];
            while ((len = zipIn.read(buffer)) > 0) {
                output.write(buffer, 0, len);
            }
        } finally {
            if (output != null)
                output.close();
        }
    }

    zipIn.close();
}

From source file:Main.java

/**
 * Reads the in_stream and extracts them to out_dir.
 * @param in_stream Input stream corresponding to the zip file.
 * @param out_dir Output directory for the zip file contents.
 * @throws IOException/*from  w  ww.j  av  a  2s.  co  m*/
 */
public static void zipExtract(InputStream in_stream, File out_dir) throws IOException {
    if (!out_dir.exists()) {
        if (!out_dir.mkdirs()) {
            throw new IOException("Could not create output directory: " + out_dir.getAbsolutePath());
        }
    }
    ZipInputStream zis = new ZipInputStream(in_stream);
    ZipEntry ze;
    byte[] buffer = new byte[BUFFER_SIZE];
    int count;
    while ((ze = zis.getNextEntry()) != null) {
        if (ze.isDirectory()) {
            File fmd = new File(out_dir.getAbsolutePath() + "/" + ze.getName());
            fmd.mkdirs();
            continue;
        }
        FileOutputStream fout = new FileOutputStream(out_dir.getAbsolutePath() + "/" + ze.getName());
        while ((count = zis.read(buffer)) != -1) {
            fout.write(buffer, 0, count);
        }

        fout.close();
        zis.closeEntry();
    }
    zis.close();
}

From source file:Main.java

public static byte[] readBytesFormZipFile(String fileName, String fname) {
    byte[] bytes = null;
    ByteArrayOutputStream os = null;
    ZipInputStream in = null;
    try {//from   w w w .j av  a 2s. com
        os = new ByteArrayOutputStream(4096);
        in = new ZipInputStream(new FileInputStream(fileName));
        boolean found = false;
        while (!found) {
            ZipEntry entry = in.getNextEntry();
            if (fname.equalsIgnoreCase(entry.getName())) {
                found = true;
            }
        }
        int read;
        byte[] buffer = new byte[4096];
        while ((read = in.read(buffer)) >= 0) {
            os.write(buffer, 0, read);
        }
        bytes = os.toByteArray();
    } catch (Exception e) {
        bytes = null;
    } finally {
        try {
            if (os != null) {
                os.flush();
                os = null;
            }
            if (in != null) {
                in.close();
                in = null;
            }
        } catch (Exception e) {
        }
    }

    return bytes;
}

From source file:prototypes.ws.proxy.soap.commons.io.Files.java

/**
 * Extracts a zip entry (file entry)/*from   w  w  w. j a  v  a  2  s .com*/
 *
 * @param zipIn
 * @param filePath
 * @throws IOException
 */
private static void extractFile(ZipInputStream zipIn, String filePath) throws IOException {
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    byte[] bytesIn = new byte[BUFFER_SIZE];
    int read = 0;
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);
    }
    bos.close();
}