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:com.alexoree.jenkins.Main.java

public static void main(String[] args) throws Exception {
    // create Options object
    Options options = new Options();

    options.addOption("t", false, "throttle the downloads, waits 5 seconds in between each d/l");

    // automatically generate the help statement
    HelpFormatter formatter = new HelpFormatter();
    formatter.printHelp("jenkins-sync", options);

    CommandLineParser parser = new DefaultParser();
    CommandLine cmd = parser.parse(options, args);
    boolean throttle = cmd.hasOption("t");

    String plugins = "https://updates.jenkins-ci.org/latest/";
    List<String> ps = new ArrayList<String>();
    Document doc = Jsoup.connect(plugins).get();
    for (Element file : doc.select("td a")) {
        //System.out.println(file.attr("href"));
        if (file.attr("href").endsWith(".hpi") || file.attr("href").endsWith(".war")) {
            ps.add(file.attr("href"));
        }/* w w  w . j  av  a2  s .c  o m*/
    }

    File root = new File(".");
    //https://updates.jenkins-ci.org/latest/AdaptivePlugin.hpi
    new File("./latest").mkdirs();

    //output zip file
    String zipFile = "jenkinsSync.zip";
    // create byte buffer
    byte[] buffer = new byte[1024];
    FileOutputStream fos = new FileOutputStream(zipFile);
    ZipOutputStream zos = new ZipOutputStream(fos);

    //download the plugins
    for (int i = 0; i < ps.size(); i++) {
        System.out.println("[" + i + "/" + ps.size() + "] downloading " + plugins + ps.get(i));
        String outputFile = download(root.getAbsolutePath() + "/latest/" + ps.get(i), plugins + ps.get(i));

        FileInputStream fis = new FileInputStream(outputFile);
        // begin writing a new ZIP entry, positions the stream to the start of the entry data
        zos.putNextEntry(new ZipEntry(outputFile.replace(root.getAbsolutePath(), "")
                .replace("updates.jenkins-ci.org/", "").replace("https:/", "")));
        int length;
        while ((length = fis.read(buffer)) > 0) {
            zos.write(buffer, 0, length);
        }
        zos.closeEntry();
        fis.close();
        if (throttle)
            Thread.sleep(WAIT);
        new File(root.getAbsolutePath() + "/latest/" + ps.get(i)).deleteOnExit();
    }

    //download the json metadata
    plugins = "https://updates.jenkins-ci.org/";
    ps = new ArrayList<String>();
    doc = Jsoup.connect(plugins).get();
    for (Element file : doc.select("td a")) {
        //System.out.println(file.attr("href"));
        if (file.attr("href").endsWith(".json")) {
            ps.add(file.attr("href"));
        }
    }
    for (int i = 0; i < ps.size(); i++) {
        download(root.getAbsolutePath() + "/" + ps.get(i), plugins + ps.get(i));

        FileInputStream fis = new FileInputStream(root.getAbsolutePath() + "/" + ps.get(i));
        // begin writing a new ZIP entry, positions the stream to the start of the entry data
        zos.putNextEntry(new ZipEntry(plugins + ps.get(i)));
        int length;
        while ((length = fis.read(buffer)) > 0) {
            zos.write(buffer, 0, length);
        }
        zos.closeEntry();
        fis.close();
        new File(root.getAbsolutePath() + "/" + ps.get(i)).deleteOnExit();
        if (throttle)
            Thread.sleep(WAIT);
    }

    // close the ZipOutputStream
    zos.close();
}

From source file:Main.java

public static byte[] compressZip(byte bytes[]) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ZipOutputStream zipos = new ZipOutputStream(os);
    zipos.putNextEntry(new ZipEntry("ZIP"));
    zipos.write(bytes, 0, bytes.length);
    zipos.close();/*from w  w  w .  j  a  va  2s.c  o m*/
    return os.toByteArray();
}

From source file:Main.java

public static void doEntry(Context context, ZipOutputStream zout, int resId, String dest) throws Exception {
    InputStream in = null;/*from   w  ww.  j a  v a2  s  .c om*/
    try {
        zout.putNextEntry(new ZipEntry(dest));
        copyStream(in = context.getResources().openRawResource(resId), zout);
    } finally {
        zout.closeEntry();
        in.close();
    }
}

From source file:Main.java

public static boolean compress(File file) {
    try {//from  w  ww  .j  av a  2  s . c  om
        String fileName = file.getName();
        if (fileName.indexOf(".") != -1)
            fileName = fileName.substring(0, fileName.indexOf("."));
        FileOutputStream f = new FileOutputStream(file.getParent() + "/" + fileName + ".zip");
        CheckedOutputStream cs = new CheckedOutputStream(f, new Adler32());
        ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(cs));
        InputStream in = new FileInputStream(file);
        out.putNextEntry(new ZipEntry(file.getName()));
        int len = -1;
        byte buf[] = new byte[1024];
        while ((len = in.read(buf, 0, 1024)) != -1)
            out.write(buf, 0, len);
        out.closeEntry();

        in.close();
        out.close();
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

public static void compressFile(File file, File fileCompressed) throws IOException {

    byte[] buffer = new byte[SIZE_OF_BUFFER];
    ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(fileCompressed));
    FileInputStream fileInputStream = new FileInputStream(file);
    zipOutputStream.putNextEntry(new ZipEntry(file.getPath()));

    int size;/*from   w  w w .  ja va  2s.  c o m*/
    while ((size = fileInputStream.read(buffer)) > 0)
        zipOutputStream.write(buffer, 0, size);

    zipOutputStream.closeEntry();
    fileInputStream.close();
    zipOutputStream.close();
}

From source file:Main.java

/**
 * Compress a String to a zip file that has only one entry like zipName
 * The name shouldn't have .zip//  w w  w . ja  va  2 s  .  c o  m
 * 
 * @param content
 * @param fName
 * @throws IOException 
 */
public static void zipAContentAsFileName(String fName, String content, String charset) throws IOException {
    ByteArrayInputStream bais = new ByteArrayInputStream(content.getBytes(charset));
    BufferedInputStream bis = new BufferedInputStream(bais);

    File f = new File(fName);
    File parentFile = f.getParentFile();
    if (!parentFile.exists()) {
        parentFile.mkdirs();
    }
    ZipOutputStream zf = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(f + ".zip")));

    ZipEntry entry = new ZipEntry(f.getName());
    zf.putNextEntry(entry);
    byte[] barr = new byte[8192];
    int len = 0;
    while ((len = bis.read(barr)) != -1) {
        zf.write(barr, 0, len);
    }
    zf.flush();
    zf.close();
    bis.close();
    bais.close();
}

From source file:com.ikanow.aleph2.analytics.spark.utils.SparkPyTechnologyUtils.java

/** Create a zip containing the Aleph2 driver
 * @param bucket// w  w w .j  a va 2 s  .com
 * @param job
 * @throws IOException
 */
public static String writeAleph2DriverZip(final String signature) throws IOException {
    final String tmp_dir = System.getProperty("java.io.tmpdir");
    final String filename = tmp_dir + "/aleph2_driver_py_" + signature + ".zip";

    final InputStream io_stream = Thread.currentThread().getContextClassLoader()
            .getResourceAsStream("aleph2_driver.py");
    final FileOutputStream fout = new FileOutputStream(filename);
    final ZipOutputStream zout = new ZipOutputStream(fout);
    final ZipEntry ze = new ZipEntry("aleph2_driver.py");
    zout.putNextEntry(ze);
    zout.write(IOUtils.toString(io_stream).getBytes());
    zout.closeEntry();
    zout.close();

    return filename;
}

From source file:net.sf.jabref.exporter.OpenOfficeDocumentCreator.java

private static void addResourceFile(String name, String resource, ZipOutputStream out) throws IOException {
    ZipEntry zipEntry = new ZipEntry(name);
    out.putNextEntry(zipEntry);
    OpenOfficeDocumentCreator.addFromResource(resource, out);
    out.closeEntry();//w  w w  .  j av a  2  s.c om
}

From source file:com.fredhopper.core.connector.index.FileUtils.java

public static void addToZipFile(final File file, final ZipOutputStream zos) throws IOException {

    final FileInputStream fis = new FileInputStream(file);
    final ZipEntry zipEntry = new ZipEntry(file.getName());
    zos.putNextEntry(zipEntry);

    final byte[] bytes = new byte[1024];
    int length;/*from   ww  w.  jav a 2s.  c  o m*/
    while ((length = fis.read(bytes)) >= 0) {
        zos.write(bytes, 0, length);
    }

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

From source file:de.nx42.maps4cim.util.Compression.java

/**
 * Compresses the input file using the zip file format and stores the
 * resulting zip file in the desired location
 * @param input the file to compress//  ww w.  jav a 2s  . c  om
 * @param zipOutput the resulting zip file
 * @return the resulting zip file
 * @throws IOException if there is an error accessing the input file or
 * writing the output zip file
 */
public static File storeAsZip(File input, File zipOutput) throws IOException {
    // create new zip output stream
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipOutput));
    ZipEntry ze = new ZipEntry(input.getName());
    zos.putNextEntry(ze);

    // use file as input stream and copy bytes
    InputStream in = new FileInputStream(input);
    ByteStreams.copy(in, zos);

    // close current zip entry and all streams
    zos.closeEntry();
    in.close();
    zos.close();
    return zipOutput;
}