Example usage for java.util.zip ZipEntry setCrc

List of usage examples for java.util.zip ZipEntry setCrc

Introduction

In this page you can find the example usage for java.util.zip ZipEntry setCrc.

Prototype

public void setCrc(long crc) 

Source Link

Document

Sets the CRC-32 checksum of the uncompressed entry data.

Usage

From source file:com.rover12421.shaka.apktool.lib.AndrolibAj.java

private void copyUnknownFiles(File appDir, ZipOutputStream outputFile, Map<String, String> files)
        throws IOException {
    String UNK_DIRNAME = getUNK_DIRNAME();
    File unknownFileDir = new File(appDir, UNK_DIRNAME);

    // loop through unknown files
    for (Map.Entry<String, String> unknownFileInfo : files.entrySet()) {
        File inputFile = new File(unknownFileDir, unknownFileInfo.getKey());
        if (inputFile.isDirectory()) {
            continue;
        }/*w  w w . ja v  a  2  s .co m*/

        ZipEntry newEntry = new ZipEntry(unknownFileInfo.getKey());
        int method = Integer.valueOf(unknownFileInfo.getValue());
        LogHelper.fine(
                String.format("Copying unknown file %s with method %d", unknownFileInfo.getKey(), method));
        if (method == ZipEntry.STORED) {
            newEntry.setMethod(ZipEntry.STORED);
            newEntry.setSize(inputFile.length());
            newEntry.setCompressedSize(-1);
            BufferedInputStream unknownFile = new BufferedInputStream(new FileInputStream(inputFile));
            CRC32 crc = calculateCrc(unknownFile);
            newEntry.setCrc(crc.getValue());

            //                LogHelper.getLogger().fine("\tsize: " + newEntry.getSize());
        } else {
            newEntry.setMethod(ZipEntry.DEFLATED);
        }
        outputFile.putNextEntry(newEntry);

        BrutIO.copy(inputFile, outputFile);
        outputFile.closeEntry();
    }
}

From source file:eu.europa.esig.dss.asic.signature.ASiCService.java

private ZipEntry getZipEntryMimeType(final byte[] mimeTypeBytes) {

    final ZipEntry entryMimetype = new ZipEntry(ZIP_ENTRY_MIMETYPE);
    entryMimetype.setMethod(ZipEntry.STORED);
    entryMimetype.setSize(mimeTypeBytes.length);
    entryMimetype.setCompressedSize(mimeTypeBytes.length);
    final CRC32 crc = new CRC32();
    crc.update(mimeTypeBytes);/* w w w.  j  a v a 2s.  c  om*/
    entryMimetype.setCrc(crc.getValue());
    return entryMimetype;
}

From source file:com.zimbra.cs.zimlet.ZimletUtil.java

private static void addZipEntry(ZipOutputStream out, File file, String path) throws IOException {
    String name = (path == null) ? file.getName() : path + "/" + file.getName();
    if (file.isDirectory()) {
        for (File f : file.listFiles()) {
            addZipEntry(out, f, name);/* ww w .j av a2 s  . c  o  m*/
        }
        return;
    }
    ZipEntry entry = new ZipEntry(name);
    entry.setMethod(ZipEntry.STORED);
    entry.setSize(file.length());
    entry.setCompressedSize(file.length());
    entry.setCrc(computeCRC32(file));
    out.putNextEntry(entry);
    ByteUtil.copy(new FileInputStream(file), true, out, false);
    out.closeEntry();
}

From source file:brut.androlib.Androlib.java

private void copyUnknownFiles(File appDir, ZipOutputStream outputFile, Map<String, String> files)
        throws IOException {
    File unknownFileDir = new File(appDir, UNK_DIRNAME);

    // loop through unknown files
    for (Map.Entry<String, String> unknownFileInfo : files.entrySet()) {
        File inputFile = new File(unknownFileDir, unknownFileInfo.getKey());
        if (inputFile.isDirectory()) {
            continue;
        }//from   w  w w  . j  a  v  a2  s  .c o  m

        ZipEntry newEntry = new ZipEntry(unknownFileInfo.getKey());
        int method = Integer.valueOf(unknownFileInfo.getValue());
        LOGGER.fine(String.format("Copying unknown file %s with method %d", unknownFileInfo.getKey(), method));
        if (method == ZipEntry.STORED) {
            newEntry.setMethod(ZipEntry.STORED);
            newEntry.setSize(inputFile.length());
            newEntry.setCompressedSize(-1);
            BufferedInputStream unknownFile = new BufferedInputStream(new FileInputStream(inputFile));
            CRC32 crc = BrutIO.calculateCrc(unknownFile);
            newEntry.setCrc(crc.getValue());
        } else {
            newEntry.setMethod(ZipEntry.DEFLATED);
        }
        outputFile.putNextEntry(newEntry);

        BrutIO.copy(inputFile, outputFile);
        outputFile.closeEntry();
    }
}

From source file:de.mpg.escidoc.services.dataacquisition.DataHandlerBean.java

/**
 * fetch data from a given url.//from   www  . ja  v  a 2  s  .  c o  m
 * 
 * @param url
 * @return byte[]
 * @throws SourceNotAvailableException
 * @throws RuntimeException
 * @throws AccessException
 */
public byte[] fetchMetadatafromURL(URL url)
        throws SourceNotAvailableException, RuntimeException, AccessException {
    byte[] input = null;
    URLConnection conn = null;
    Date retryAfter = null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream zos = new ZipOutputStream(baos);
    try {
        conn = ProxyHelper.openConnection(url);
        HttpURLConnection httpConn = (HttpURLConnection) conn;
        int responseCode = httpConn.getResponseCode();
        switch (responseCode) {
        case 503:
            String retryAfterHeader = conn.getHeaderField("Retry-After");
            if (retryAfterHeader != null) {
                SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z");
                retryAfter = dateFormat.parse(retryAfterHeader);
                this.logger.debug("Source responded with 503, retry after " + retryAfter + ".");
                throw new SourceNotAvailableException(retryAfter);
            }
            break;
        case 302:
            String alternativeLocation = conn.getHeaderField("Location");
            return fetchMetadatafromURL(new URL(alternativeLocation));
        case 200:
            this.logger.info("Source responded with 200.");
            // Fetch file
            GetMethod method = new GetMethod(url.toString());
            HttpClient client = new HttpClient();
            ProxyHelper.executeMethod(client, method);
            input = method.getResponseBody();
            httpConn.disconnect();
            // Create zip file with fetched file
            ZipEntry ze = new ZipEntry("unapi");
            ze.setSize(input.length);
            ze.setTime(this.currentDate());
            CRC32 crc321 = new CRC32();
            crc321.update(input);
            ze.setCrc(crc321.getValue());
            zos.putNextEntry(ze);
            zos.write(input);
            zos.flush();
            zos.closeEntry();
            zos.close();
            this.setContentType("application/zip");
            this.setFileEnding(".zip");
            break;
        case 403:
            throw new AccessException("Access to url " + url + " is restricted.");
        default:
            throw new RuntimeException("An error occurred during importing from external system: "
                    + responseCode + ": " + httpConn.getResponseMessage() + ".");
        }
    } catch (AccessException e) {
        this.logger.error("Access denied.", e);
        throw new AccessException(url.toString());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    return baos.toByteArray();
}

From source file:de.mpg.escidoc.services.dataacquisition.DataHandlerBean.java

/**
 * Operation for fetching data of type FILE.
 * //w w w  .ja v a  2s . com
 * @param importSource
 * @param identifier
 * @param listOfFormats
 * @return byte[] of the fetched file, zip file if more than one record was
 *         fetched
 * @throws RuntimeException
 * @throws SourceNotAvailableException
 */
private byte[] fetchData(String identifier, Format[] formats)
        throws SourceNotAvailableException, RuntimeException, FormatNotAvailableException {
    byte[] in = null;
    FullTextVO fulltext = new FullTextVO();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream zos = new ZipOutputStream(baos);

    try {
        // Call fetch file for every given format
        for (int i = 0; i < formats.length; i++) {
            Format format = formats[i];
            fulltext = this.util.getFtObjectToFetch(this.currentSource, format.getName(), format.getType(),
                    format.getEncoding());
            // Replace regex with identifier
            String decoded = java.net.URLDecoder.decode(fulltext.getFtUrl().toString(),
                    this.currentSource.getEncoding());
            fulltext.setFtUrl(new URL(decoded));
            fulltext.setFtUrl(
                    new URL(fulltext.getFtUrl().toString().replaceAll(this.regex, identifier.trim())));
            this.logger.debug("Fetch file from URL: " + fulltext.getFtUrl());

            // escidoc file
            if (this.currentSource.getHarvestProtocol().equalsIgnoreCase("ejb")) {
                in = this.fetchEjbFile(fulltext, identifier);
            }
            // other file
            else {
                in = this.fetchFile(fulltext);
            }

            this.setFileProperties(fulltext);
            // If only one file => return it in fetched format
            if (formats.length == 1) {
                return in;
            }
            // If more than one file => add it to zip
            else {
                // If cone service is not available (we do not get a
                // fileEnding) we have
                // to make sure that the zip entries differ in name.
                String fileName = identifier;
                if (this.getFileEnding().equals("")) {
                    fileName = fileName + "_" + i;
                }
                ZipEntry ze = new ZipEntry(fileName + this.getFileEnding());
                ze.setSize(in.length);
                ze.setTime(this.currentDate());
                CRC32 crc321 = new CRC32();
                crc321.update(in);
                ze.setCrc(crc321.getValue());
                zos.putNextEntry(ze);
                zos.write(in);
                zos.flush();
                zos.closeEntry();
            }
        }
        this.setContentType("application/zip");
        this.setFileEnding(".zip");
        zos.close();

    } catch (SourceNotAvailableException e) {
        this.logger.error("Import Source " + this.currentSource + " not available.", e);
        throw new SourceNotAvailableException(e);
    } catch (FormatNotAvailableException e) {
        throw new FormatNotAvailableException(e.getMessage());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    return baos.toByteArray();
}

From source file:brut.androlib.res.AndrolibResources.java

public void installFramework(File frameFile, String tag) throws AndrolibException {
    InputStream in = null;//  w  ww . j a va 2s  .  c om
    ZipOutputStream out = null;
    try {
        ZipFile zip = new ZipFile(frameFile);
        ZipEntry entry = zip.getEntry("resources.arsc");

        if (entry == null) {
            throw new AndrolibException("Can't find resources.arsc file");
        }

        in = zip.getInputStream(entry);
        byte[] data = IOUtils.toByteArray(in);

        ARSCData arsc = ARSCDecoder.decode(new ByteArrayInputStream(data), true, true);
        publicizeResources(data, arsc.getFlagsOffsets());

        File outFile = new File(getFrameworkDir(),
                String.valueOf(arsc.getOnePackage().getId()) + (tag == null ? "" : '-' + tag) + ".apk");

        out = new ZipOutputStream(new FileOutputStream(outFile));
        out.setMethod(ZipOutputStream.STORED);
        CRC32 crc = new CRC32();
        crc.update(data);
        entry = new ZipEntry("resources.arsc");
        entry.setSize(data.length);
        entry.setCrc(crc.getValue());
        out.putNextEntry(entry);
        out.write(data);
        zip.close();
        LOGGER.info("Framework installed to: " + outFile);
    } catch (IOException ex) {
        throw new AndrolibException(ex);
    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(out);
    }
}

From source file:nl.nn.adapterframework.compression.ZipWriter.java

public void writeEntryWithCompletedHeader(String filename, Object contents, boolean close, String charset)
        throws CompressionException, IOException {
    if (StringUtils.isEmpty(filename)) {
        throw new CompressionException("filename cannot be empty");
    }/*w  w w .j av a  2 s  . co  m*/

    byte[] contentBytes = null;
    BufferedInputStream bis = null;
    long size = 0;
    if (contents != null) {
        if (contents instanceof byte[]) {
            contentBytes = (byte[]) contents;
        } else if (contents instanceof InputStream) {
            contentBytes = Misc.streamToBytes((InputStream) contents);
        } else {
            contentBytes = contents.toString().getBytes(charset);
        }
        bis = new BufferedInputStream(new ByteArrayInputStream(contentBytes));
        size = bis.available();
    } else {
        log.warn("contents of zip entry [" + filename + "] is null");
    }

    int bytesRead;
    byte[] buffer = new byte[1024];
    CRC32 crc = new CRC32();
    crc.reset();
    if (bis != null) {
        while ((bytesRead = bis.read(buffer)) != -1) {
            crc.update(buffer, 0, bytesRead);
        }
        bis.close();
    }
    if (contents != null) {
        bis = new BufferedInputStream(new ByteArrayInputStream(contentBytes));
    }
    ZipEntry entry = new ZipEntry(filename);
    entry.setMethod(ZipEntry.STORED);
    entry.setCompressedSize(size);
    entry.setSize(size);
    entry.setCrc(crc.getValue());
    getZipoutput().putNextEntry(entry);
    if (bis != null) {
        while ((bytesRead = bis.read(buffer)) != -1) {
            getZipoutput().write(buffer, 0, bytesRead);
        }
        bis.close();
    }
    getZipoutput().closeEntry();
}

From source file:org.apache.tika.server.writer.ZipWriter.java

private static void zipStoreBuffer(ZipArchiveOutputStream zip, String name, byte[] dataBuffer)
        throws IOException {
    ZipEntry zipEntry = new ZipEntry(name != null ? name : UUID.randomUUID().toString());
    zipEntry.setMethod(ZipOutputStream.STORED);

    zipEntry.setSize(dataBuffer.length);
    CRC32 crc32 = new CRC32();
    crc32.update(dataBuffer);/*  w  w w . j a v  a2  s . c o  m*/
    zipEntry.setCrc(crc32.getValue());

    try {
        zip.putArchiveEntry(new ZipArchiveEntry(zipEntry));
    } catch (ZipException ex) {
        if (name != null) {
            zipStoreBuffer(zip, "x-" + name, dataBuffer);
            return;
        }
    }

    zip.write(dataBuffer);

    zip.closeArchiveEntry();
}