Example usage for org.apache.commons.compress.archivers.zip Zip64Mode Always

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.zip Zip64Mode Always.

Prototype

Zip64Mode Always

To view the source code for org.apache.commons.compress.archivers.zip Zip64Mode Always.

Click Source Link

Document

Use Zip64 extensions for all entries, even if it is clear it is not required.

Usage

From source file:cz.cuni.mff.ufal.AllBitstreamZipArchiveReader.java

@Override
public void generate() throws IOException, SAXException, ProcessingException {

    if (redirect != NO_REDIRECTION) {
        return;/*w  w w  .  ja  v a2  s .  co  m*/
    }

    String name = item.getName() + ".zip";

    try {

        // first write everything to a temp file
        String tempDir = ConfigurationManager.getProperty("upload.temp.dir");
        String fn = tempDir + File.separator + "SWORD." + item.getID() + "." + UUID.randomUUID().toString()
                + ".zip";
        OutputStream outStream = new FileOutputStream(new File(fn));
        ZipArchiveOutputStream zip = new ZipArchiveOutputStream(outStream);
        zip.setCreateUnicodeExtraFields(UnicodeExtraFieldPolicy.ALWAYS);
        zip.setLevel(Deflater.NO_COMPRESSION);
        ConcurrentMap<String, AtomicInteger> usedFilenames = new ConcurrentHashMap<String, AtomicInteger>();

        Bundle[] originals = item.getBundles("ORIGINAL");
        if (needsZip64) {
            zip.setUseZip64(Zip64Mode.Always);
        }
        for (Bundle original : originals) {
            Bitstream[] bss = original.getBitstreams();
            for (Bitstream bitstream : bss) {
                String filename = bitstream.getName();
                String uniqueName = createUniqueFilename(filename, usedFilenames);
                ZipArchiveEntry ze = new ZipArchiveEntry(uniqueName);
                zip.putArchiveEntry(ze);
                InputStream is = bitstream.retrieve();
                Utils.copy(is, zip);
                zip.closeArchiveEntry();
                is.close();
            }
        }
        zip.close();

        File file = new File(fn);
        zipFileSize = file.length();

        zipInputStream = new TempFileInputStream(file);
    } catch (AuthorizeException e) {
        log.error(e.getMessage(), e);
        throw new ProcessingException("You do not have permissions to access one or more files.");
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new ProcessingException("Could not create ZIP, please download the files one by one. "
                + "The error has been stored and will be solved by our technical team.");
    }

    // Log download statistics
    for (int bitstreamID : bitstreamIDs) {
        DSpaceApi.updateFileDownloadStatistics(userID, bitstreamID);
    }

    response.setDateHeader("Last-Modified", item.getLastModified().getTime());

    // Try and make the download file name formated for each browser.
    try {
        String agent = request.getHeader("USER-AGENT");
        if (agent != null && agent.contains("MSIE")) {
            name = URLEncoder.encode(name, "UTF8");
        } else if (agent != null && agent.contains("Mozilla")) {
            name = MimeUtility.encodeText(name, "UTF8", "B");
        }
    } catch (UnsupportedEncodingException see) {
        name = "item_" + item.getID() + ".zip";
    }
    response.setHeader("Content-Disposition", "attachment;filename=" + name);

    byte[] buffer = new byte[BUFFER_SIZE];
    int length = -1;

    try {
        response.setHeader("Content-Length", String.valueOf(this.zipFileSize));

        while ((length = this.zipInputStream.read(buffer)) > -1) {
            out.write(buffer, 0, length);
        }
        out.flush();
    } finally {
        try {
            if (this.zipInputStream != null) {
                this.zipInputStream.close();
            }
            if (out != null) {
                out.close();
            }
        } catch (IOException ioe) {
            // Closing the stream threw an IOException but do we want this to propagate up to Cocoon?
            // No point since the user has already got the file contents.
            log.warn("Caught IO exception when closing a stream: " + ioe.getMessage());
        }
    }

}

---

From source file:org.alfresco.repo.exporter.ACPExportPackageHandler.java

public void startExport() {
    // ALF-2016/*from  ww  w  .ja v  a 2  s  . com*/
    zipStream = new ZipArchiveOutputStream(outputStream);
    // NOTE: This encoding allows us to workaround bug...
    //       http://bugs.sun.com/bugdatabase/view_bug.do;:WuuT?bug_id=4820807
    zipStream.setEncoding("UTF-8");
    zipStream.setCreateUnicodeExtraFields(UnicodeExtraFieldPolicy.ALWAYS);
    zipStream.setUseLanguageEncodingFlag(true);
    zipStream.setFallbackToUTF8(true);
    zipStream.setUseZip64(Zip64Mode.Always);
}

---

From source file:org.callimachusproject.io.CarOutputStream.java

public CarOutputStream(OutputStream out) throws IOException {
    this.zipStream = new ZipArchiveOutputStream(out);
    zipStream.setUseZip64(Zip64Mode.Always);
}

---