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:ch.ivyteam.ivy.maven.util.ClasspathJar.java

private void writeManifest(String name, ZipOutputStream jarStream, List<String> classpathEntries)
        throws IOException {
    Manifest manifest = new Manifest();
    manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
    manifest.getMainAttributes().putValue("Name", name);
    if (mainClass != null) {
        manifest.getMainAttributes().put(Attributes.Name.MAIN_CLASS, mainClass);
    }/*  www.  j  a va  2 s .c o  m*/
    if (!classpathEntries.isEmpty()) {
        manifest.getMainAttributes().put(Attributes.Name.CLASS_PATH, StringUtils.join(classpathEntries, " "));
    }
    jarStream.putNextEntry(new ZipEntry(MANIFEST_MF));
    manifest.write(jarStream);
}

From source file:net.librec.util.FileUtil.java

/**
 * Zip a given folder/*from   w  w w .  ja  v a  2s  . com*/
 *
 * @param dirPath    a given folder: must be all files (not sub-folders)
 * @param filePath   zipped file
 * @throws Exception if error occurs
 */
public static void zipFolder(String dirPath, String filePath) throws Exception {
    File outFile = new File(filePath);
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(outFile));
    int bytesRead;
    byte[] buffer = new byte[1024];
    CRC32 crc = new CRC32();
    for (File file : listFiles(dirPath)) {
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
        crc.reset();
        while ((bytesRead = bis.read(buffer)) != -1) {
            crc.update(buffer, 0, bytesRead);
        }
        bis.close();

        // Reset to beginning of input stream
        bis = new BufferedInputStream(new FileInputStream(file));
        ZipEntry entry = new ZipEntry(file.getName());
        entry.setMethod(ZipEntry.STORED);
        entry.setCompressedSize(file.length());
        entry.setSize(file.length());
        entry.setCrc(crc.getValue());
        zos.putNextEntry(entry);
        while ((bytesRead = bis.read(buffer)) != -1) {
            zos.write(buffer, 0, bytesRead);
        }
        bis.close();
    }
    zos.close();

    LOG.debug("A zip-file is created to: " + outFile.getPath());
}

From source file:fr.simon.marquis.secretcodes.util.ExportContentProvider.java

private void saveZipFile() {
    File[] files = getContext().getFilesDir().listFiles();
    String zipPath = getContext().getFilesDir().getAbsolutePath() + "/" + ZIP_FILE_NAME;
    try {/*ww  w .j av a2s . c  om*/
        BufferedInputStream origin = null;
        FileOutputStream zipFile = new FileOutputStream(zipPath);

        ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(zipFile));

        byte data[] = new byte[BUFFER];
        for (int i = 0; i < files.length; i++) {
            FileInputStream fi = new FileInputStream(files[i]);
            origin = new BufferedInputStream(fi, BUFFER);
            ZipEntry entry = new ZipEntry(
                    files[i].getAbsolutePath().substring(files[i].getAbsolutePath().lastIndexOf("/") + 1));
            out.putNextEntry(entry);
            int count;
            while ((count = origin.read(data, 0, BUFFER)) != -1) {
                out.write(data, 0, count);
            }
            origin.close();
        }

        out.close();
        Log.d(this.getClass().getSimpleName(),
                "zipFile created at " + zipPath + " with " + files.length + " files");
    } catch (Exception e) {
        e.printStackTrace();
        Log.e(this.getClass().getSimpleName(),
                "error while zipping at " + zipPath + " with " + files.length + " files", e);
    }

}

From source file:fr.gael.dhus.service.job.SendLogsJob.java

@Override
protected void executeInternal(JobExecutionContext arg0) throws JobExecutionException {
    if (!configurationManager.getSendLogsCronConfiguration().isActive())
        return;//from ww  w  .  j  av  a2s .co m
    long start = System.currentTimeMillis();
    logger.info("SCHEDULER : Send Administrative logs.");
    if (!DHuS.isStarted()) {
        logger.warn("SCHEDULER : Not run while system not fully initialized.");
        return;
    }

    String[] addresses = configurationManager.getSendLogsCronConfiguration().getAddresses().split(",");
    // Case of no addresses available: use system support
    if ((addresses == null) || (addresses.length == 0) || "".equals(addresses[0].trim())) {
        String email = configurationManager.getSupportConfiguration().getMail();
        if ((email == null) || "".equals(email)) {
            throw new MailException("Support e-mail not configured, " + "system logs will not be send");
        }
        addresses = new String[] { email };
    }

    RollingFileAppender rollingFileAppender = (RollingFileAppender) ((org.apache.logging.log4j.core.Logger) LogManager
            .getRootLogger()).getAppenders().get("RollingFile");
    if (rollingFileAppender == null) {
        throw new MailException("No rolling log file defined");
    }

    String logPath = rollingFileAppender.getFileName();

    if ((logPath == null) || logPath.trim().equals("")) {
        throw new MailException("Log file not defined");
    }

    File logs = new File(logPath);
    if (!logs.exists()) {
        throw new MailException("Log file not present : " + logs.getPath());
    }

    Date now = new Date();
    SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'@'HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone("GMT"));
    String docFilename = configurationManager.getNameConfiguration().getShortName().toLowerCase() + "-"
            + df.format(now);

    File zipLogs;
    try {
        zipLogs = File.createTempFile(docFilename, ".zip");
    } catch (IOException e) {
        throw new MailException("Cannot create temporary zip log file.", e);
    }

    // compress logs file to zip format
    FileOutputStream fos;
    ZipOutputStream zos = null;
    FileInputStream fis = null;
    try {
        int length;
        byte[] buffer = new byte[1024];
        ZipEntry entry = new ZipEntry(docFilename + ".txt");

        fos = new FileOutputStream(zipLogs);
        zos = new ZipOutputStream(fos);
        fis = new FileInputStream(logs);

        zos.setLevel(Deflater.BEST_COMPRESSION);
        zos.putNextEntry(entry);
        while ((length = fis.read(buffer)) > 0) {
            zos.write(buffer, 0, length);
        }
    } catch (IOException e) {
        throw new MailException("An error occurred during compression " + "logs file, cannot send logs !", e);
    } finally {
        try {
            if (fis != null) {
                fis.close();
            }
            if (zos != null) {
                zos.closeEntry();
                zos.close();
            }
        } catch (IOException e) {
            throw new MailException("An error occurred during compression " + "logs file, cannot send logs !",
                    e);
        }
    }

    EmailAttachment attachment = new EmailAttachment();
    attachment.setDescription(
            configurationManager.getNameConfiguration().getShortName() + " Logs " + now.toString());
    attachment.setPath(zipLogs.getPath());
    attachment.setName(zipLogs.getName());

    // Prepare the addresses
    List<String> ads = new ArrayList<String>();
    for (String email : addresses) {
        StringTokenizer tk = new StringTokenizer(email, ", ");
        while (tk.hasMoreTokens()) {
            String token = tk.nextToken().trim();
            if (!token.isEmpty())
                ads.add(token);
        }
    }
    for (String email : ads) {
        try {
            String server = configurationManager.getServerConfiguration().getExternalHostname();
            String url = configurationManager.getServerConfiguration().getExternalUrl();

            mailServer.send(email, null, null,
                    "[" + configurationManager.getNameConfiguration().getShortName().toLowerCase() + "@"
                            + server + "] logs of " + df.format(now),
                    "Here is attached " + configurationManager.getNameConfiguration().getShortName()
                            + " logs of \"" + url + "\" host.\n\n" + "Kind Regards.\nThe "
                            + configurationManager.getNameConfiguration().getShortName() + " Team.",
                    attachment);
            logger.info("Logs Sent to " + email);
        } catch (EmailException e) {
            throw new MailException("Cannot send logs to " + email, e);
        }
    }

    if (!zipLogs.delete()) {
        logger.warn("Cannot remove mail attachment: " + zipLogs.getAbsolutePath());
    }

    logger.info("SCHEDULER : Send Administrative logs done - " + (System.currentTimeMillis() - start) + "ms");
}

From source file:game.com.HandleDownloadFolderServlet.java

private void outputZipStream(ZipOutputStream output, File file) throws FileNotFoundException, IOException {
    for (File currentFile : file.listFiles()) {

        InputStream input = null;
        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
        try {//from  w w w  .j  ava  2  s . c  om
            if (currentFile.isDirectory()) {
                outputZipStream(output, currentFile);
            } else {
                input = new BufferedInputStream(new FileInputStream(currentFile), DEFAULT_BUFFER_SIZE);
                output.putNextEntry(new ZipEntry(currentFile.getName()));
                for (int length = 0; (length = input.read(buffer)) > 0;) {
                    output.write(buffer, 0, length);
                }
                output.closeEntry();
            }
        } finally {
            if (input != null) {
                try {
                    input.close();
                } catch (Exception logOrIgnore) {
                    logger.error(logOrIgnore.getMessage(), logOrIgnore);
                }
            }
        }
    }
}

From source file:it.eng.spagobi.tools.scheduler.dispatcher.MailDocumentDispatchChannel.java

private MimeBodyPart zipAttachment(byte[] attach, String containedFileName, String zipFileName,
        String nameSuffix, String fileExtension) {
    MimeBodyPart messageBodyPart = null;
    try {/*from  w  w  w  .j a v  a 2  s.c  o m*/

        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        ZipOutputStream zipOut = new ZipOutputStream(bout);
        String entryName = containedFileName + nameSuffix + fileExtension;
        zipOut.putNextEntry(new ZipEntry(entryName));
        zipOut.write(attach);
        zipOut.closeEntry();

        zipOut.close();

        messageBodyPart = new MimeBodyPart();
        DataSource source = new ByteArrayDataSource(bout.toByteArray(), "application/zip");
        messageBodyPart.setDataHandler(new DataHandler(source));
        messageBodyPart.setFileName(zipFileName + nameSuffix + ".zip");

    } catch (Exception e) {
        // TODO: handle exception            
    }
    return messageBodyPart;
}

From source file:fr.cirad.mgdb.exporting.markeroriented.VcfExportHandler.java

@Override
public void exportData(OutputStream outputStream, String sModule, List<SampleId> sampleIDs,
        ProgressIndicator progress, DBCursor markerCursor, Map<Comparable, Comparable> markerSynonyms,
        int nMinimumGenotypeQuality, int nMinimumReadDepth, Map<String, InputStream> readyToExportFiles)
        throws Exception {
    Integer projectId = null;/*from   w ww.  ja  va  2  s  . c o m*/
    for (SampleId spId : sampleIDs) {
        if (projectId == null)
            projectId = spId.getProject();
        else if (projectId != spId.getProject()) {
            projectId = 0;
            break; // more than one project are involved: no header will be written
        }
    }

    File warningFile = File.createTempFile("export_warnings_", "");
    FileWriter warningFileWriter = new FileWriter(warningFile);

    MongoTemplate mongoTemplate = MongoTemplateManager.get(sModule);
    int markerCount = markerCursor.count();
    ZipOutputStream zos = new ZipOutputStream(outputStream);

    if (readyToExportFiles != null)
        for (String readyToExportFile : readyToExportFiles.keySet()) {
            zos.putNextEntry(new ZipEntry(readyToExportFile));
            InputStream inputStream = readyToExportFiles.get(readyToExportFile);
            byte[] dataBlock = new byte[1024];
            int count = inputStream.read(dataBlock, 0, 1024);
            while (count != -1) {
                zos.write(dataBlock, 0, count);
                count = inputStream.read(dataBlock, 0, 1024);
            }
        }

    LinkedHashMap<SampleId, String> sampleIDToIndividualIdMap = new LinkedHashMap<SampleId, String>();
    ArrayList<String> individualList = new ArrayList<String>();
    List<Individual> individuals = getIndividualsFromSamples(sModule, sampleIDs);
    for (int i = 0; i < sampleIDs.size(); i++) {
        String individualId = individuals.get(i).getId();
        sampleIDToIndividualIdMap.put(sampleIDs.get(i), individualId);
        if (!individualList.contains(individualId)) {
            individualList.add(individualId);
        }
    }

    String exportName = sModule + "_" + markerCount + "variants_" + individualList.size() + "individuals";
    zos.putNextEntry(new ZipEntry(exportName + ".vcf"));

    int avgObjSize = (Integer) mongoTemplate
            .getCollection(mongoTemplate.getCollectionName(VariantRunData.class)).getStats().get("avgObjSize");
    int nQueryChunkSize = nMaxChunkSizeInMb * 1024 * 1024 / avgObjSize;

    VariantContextWriter writer = null;
    try {
        List<String> distinctSequenceNames = new ArrayList<String>();

        String sequenceSeqCollName = MongoTemplateManager.getMongoCollectionName(Sequence.class);
        if (mongoTemplate.collectionExists(sequenceSeqCollName)) {
            DBCursor markerCursorCopy = markerCursor.copy();
            markerCursorCopy.batchSize(nQueryChunkSize);
            while (markerCursorCopy.hasNext()) {
                int nLoadedMarkerCountInLoop = 0;
                boolean fStartingNewChunk = true;
                while (markerCursorCopy.hasNext()
                        && (fStartingNewChunk || nLoadedMarkerCountInLoop % nQueryChunkSize != 0)) {
                    DBObject exportVariant = markerCursorCopy.next();
                    String chr = (String) ((DBObject) exportVariant
                            .get(VariantData.FIELDNAME_REFERENCE_POSITION))
                                    .get(ReferencePosition.FIELDNAME_SEQUENCE);
                    if (!distinctSequenceNames.contains(chr))
                        distinctSequenceNames.add(chr);
                }
            }
            markerCursorCopy.close();
        }

        Collections.sort(distinctSequenceNames, new AlphaNumericStringComparator());
        SAMSequenceDictionary dict = createSAMSequenceDictionary(sModule, distinctSequenceNames);
        writer = new CustomVCFWriter(null, zos, dict, false, false, true);
        //         VariantContextWriterBuilder vcwb = new VariantContextWriterBuilder();
        //         vcwb.unsetOption(Options.INDEX_ON_THE_FLY);
        //         vcwb.unsetOption(Options.DO_NOT_WRITE_GENOTYPES);
        //         vcwb.setOption(Options.USE_ASYNC_IOINDEX_ON_THE_FLY);
        //         vcwb.setOption(Options.ALLOW_MISSING_FIELDS_IN_HEADER);
        //         vcwb.setReferenceDictionary(dict);
        //         writer = vcwb.build();
        //         writer = new AsyncVariantContextWriter(writer, 3000);

        progress.moveToNextStep(); // done with dictionary
        DBCursor headerCursor = mongoTemplate
                .getCollection(MongoTemplateManager.getMongoCollectionName(DBVCFHeader.class))
                .find(new BasicDBObject("_id." + VcfHeaderId.FIELDNAME_PROJECT, projectId));
        Set<VCFHeaderLine> headerLines = new HashSet<VCFHeaderLine>();
        boolean fWriteCommandLine = true, fWriteEngineHeaders = true; // default values

        while (headerCursor.hasNext()) {
            DBVCFHeader dbVcfHeader = DBVCFHeader.fromDBObject(headerCursor.next());
            headerLines.addAll(dbVcfHeader.getHeaderLines());

            // Add sequence header lines (not stored in our vcf header collection)
            BasicDBObject projection = new BasicDBObject(SequenceStats.FIELDNAME_SEQUENCE_LENGTH, true);
            int nSequenceIndex = 0;
            for (String sequenceName : distinctSequenceNames) {
                String sequenceInfoCollName = MongoTemplateManager.getMongoCollectionName(SequenceStats.class);
                boolean fCollectionExists = mongoTemplate.collectionExists(sequenceInfoCollName);
                if (fCollectionExists) {
                    DBObject record = mongoTemplate.getCollection(sequenceInfoCollName).findOne(
                            new Query(Criteria.where("_id").is(sequenceName)).getQueryObject(), projection);
                    if (record == null) {
                        LOG.warn("Sequence '" + sequenceName + "' not found in collection "
                                + sequenceInfoCollName);
                        continue;
                    }

                    Map<String, String> sequenceLineData = new LinkedHashMap<String, String>();
                    sequenceLineData.put("ID", (String) record.get("_id"));
                    sequenceLineData.put("length",
                            ((Number) record.get(SequenceStats.FIELDNAME_SEQUENCE_LENGTH)).toString());
                    headerLines.add(new VCFContigHeaderLine(sequenceLineData, nSequenceIndex++));
                }
            }
            fWriteCommandLine = headerCursor.size() == 1 && dbVcfHeader.getWriteCommandLine(); // wouldn't make sense to include command lines for several runs
            if (!dbVcfHeader.getWriteEngineHeaders())
                fWriteEngineHeaders = false;
        }
        headerCursor.close();

        VCFHeader header = new VCFHeader(headerLines, individualList);
        header.setWriteCommandLine(fWriteCommandLine);
        header.setWriteEngineHeaders(fWriteEngineHeaders);
        writer.writeHeader(header);

        short nProgress = 0, nPreviousProgress = 0;
        long nLoadedMarkerCount = 0;
        HashMap<SampleId, Comparable /*phID*/> phasingIDsBySample = new HashMap<SampleId, Comparable>();

        while (markerCursor.hasNext()) {
            if (progress.hasAborted())
                return;

            int nLoadedMarkerCountInLoop = 0;
            boolean fStartingNewChunk = true;
            markerCursor.batchSize(nQueryChunkSize);
            List<Comparable> currentMarkers = new ArrayList<Comparable>();
            while (markerCursor.hasNext()
                    && (fStartingNewChunk || nLoadedMarkerCountInLoop % nQueryChunkSize != 0)) {
                DBObject exportVariant = markerCursor.next();
                currentMarkers.add((Comparable) exportVariant.get("_id"));
                nLoadedMarkerCountInLoop++;
                fStartingNewChunk = false;
            }

            LinkedHashMap<VariantData, Collection<VariantRunData>> variantsAndRuns = MgdbDao.getSampleGenotypes(
                    mongoTemplate, sampleIDs, currentMarkers, true,
                    null /*new Sort(VariantData.FIELDNAME_REFERENCE_POSITION + "." + ChromosomalPosition.FIELDNAME_SEQUENCE).and(new Sort(VariantData.FIELDNAME_REFERENCE_POSITION + "." + ChromosomalPosition.FIELDNAME_START_SITE))*/); // query mongo db for matching genotypes
            for (VariantData variant : variantsAndRuns.keySet()) {
                VariantContext vc = variant.toVariantContext(variantsAndRuns.get(variant),
                        !ObjectId.isValid(variant.getId().toString()), sampleIDToIndividualIdMap,
                        phasingIDsBySample, nMinimumGenotypeQuality, nMinimumReadDepth, warningFileWriter,
                        markerSynonyms == null ? variant.getId() : markerSynonyms.get(variant.getId()));
                try {
                    writer.add(vc);
                } catch (Throwable t) {
                    Exception e = new Exception("Unable to convert to VariantContext: " + variant.getId(), t);
                    LOG.debug("error", e);
                    throw e;
                }

                if (nLoadedMarkerCountInLoop > currentMarkers.size())
                    LOG.error("Bug: writing variant number " + nLoadedMarkerCountInLoop + " (only "
                            + currentMarkers.size() + " variants expected)");
            }

            nLoadedMarkerCount += nLoadedMarkerCountInLoop;
            nProgress = (short) (nLoadedMarkerCount * 100 / markerCount);
            if (nProgress > nPreviousProgress) {
                progress.setCurrentStepProgress(nProgress);
                nPreviousProgress = nProgress;
            }
        }
        progress.setCurrentStepProgress((short) 100);

    } catch (Exception e) {
        LOG.error("Error exporting", e);
        progress.setError(e.getMessage());
        return;
    } finally {
        warningFileWriter.close();
        if (warningFile.length() > 0) {
            zos.putNextEntry(new ZipEntry(exportName + "-REMARKS.txt"));
            int nWarningCount = 0;
            BufferedReader in = new BufferedReader(new FileReader(warningFile));
            String sLine;
            while ((sLine = in.readLine()) != null) {
                zos.write((sLine + "\n").getBytes());
                nWarningCount++;
            }
            LOG.info("Number of Warnings for export (" + exportName + "): " + nWarningCount);
            in.close();
        }
        warningFile.delete();
        if (writer != null)
            try {
                writer.close();
            } catch (Throwable ignored) {
            }
    }
}

From source file:eu.planets_project.pp.plato.action.ProjectExportAction.java

/**
 * Exports all projects into separate xml files and adds them to a zip archive.  
 * @return null Always returns null, so user stays on same screen after action performed
 *///w  w  w . j  a  v  a2s  .c  om
public String exportAllProjectsToZip() {
    List<PlanProperties> ppList = em.createQuery("select p from PlanProperties p").getResultList();

    if (!ppList.isEmpty()) {
        log.debug("number of plans to export: " + ppList.size());
        String filename = "allprojects.zip";

        String exportPath = OS.getTmpPath() + "export" + System.currentTimeMillis() + "/";
        new File(exportPath).mkdirs();

        String binarydataTempPath = exportPath + "binarydata/";
        File binarydataTempDir = new File(binarydataTempPath);
        binarydataTempDir.mkdirs();

        try {
            OutputStream out = new BufferedOutputStream(new FileOutputStream(exportPath + filename));
            ZipOutputStream zipOut = new ZipOutputStream(out);

            for (PlanProperties pp : ppList) {
                log.debug("EXPORTING: " + pp.getName());
                ZipEntry zipAdd = new ZipEntry(String.format("%1$03d", pp.getId()) + "-"
                        + FileUtils.makeFilename(pp.getName()) + ".xml");
                zipOut.putNextEntry(zipAdd);
                // export the complete project, including binary data
                exportComplete(pp.getId(), zipOut, binarydataTempPath);
                zipOut.closeEntry();
            }
            zipOut.close();
            out.close();
            new File(exportPath + "finished.info").createNewFile();

            FacesMessages.instance().add(FacesMessage.SEVERITY_INFO, "Export was written to: " + exportPath);
            log.info("Export was written to: " + exportPath);
        } catch (IOException e) {
            FacesMessages.instance().add(FacesMessage.SEVERITY_ERROR,
                    "An error occured while generating the export file.");
            log.error("An error occured while generating the export file.", e);
            File errorInfo = new File(exportPath + "error.info");
            try {
                Writer w = new FileWriter(errorInfo);
                w.write("An error occured while generating the export file:");
                w.write(e.getMessage());
                w.close();
            } catch (IOException e1) {
                log.error("Could not write error file.");
            }

        } finally {
            // remove all binary temp files
            OS.deleteDirectory(binarydataTempDir);
        }

    } else {
        FacesMessages.instance().add("No Projects found!");
    }
    return null;
}

From source file:com.esofthead.mycollab.vaadin.resources.StreamDownloadResourceSupportExtDrive.java

private void addFolderToZip(String path, Resource res, ZipOutputStream zip) throws Exception {
    List<Resource> lstResource;
    if (ResourceUtils.getType(res) == ResourceType.MyCollab) {
        lstResource = resourceService.getResources(res.getPath());
    } else {//  w w  w.jav  a 2s. c  o m
        ExternalResourceService service = ResourceUtils.getExternalResourceService(ResourceUtils.getType(res));
        lstResource = service.getResources(ResourceUtils.getExternalDrive(res), res.getPath());
    }
    if (res instanceof Folder && lstResource.size() == 0) { // emptyFolder
        zip.putNextEntry(new ZipEntry(path + "/" + res.getName() + "/"));
    } else {
        if (res instanceof Folder) {
            zip.putNextEntry(new ZipEntry(path + "/" + res.getName() + "/"));
        }
        for (Resource curRes : lstResource) {
            if (curRes instanceof Folder) {
                addFolderToZip(path + "/" + res.getName(), curRes, zip);
            } else {
                addFileToZip(path + "/" + res.getName(), (Content) curRes, zip);
            }
        }
    }
}

From source file:com.fujitsu.dc.test.unit.cell.LogTest.java

private void createZip(ZipOutputStream zos, File[] files) throws IOException {
        byte[] buf = new byte[1024];
        InputStream is = null;/*from  w  w w.  ja  v  a2  s  .c o m*/
        try {
            for (File file : files) {
                ZipEntry entry = new ZipEntry(file.getName());
                zos.putNextEntry(entry);

                is = new BufferedInputStream(new FileInputStream(file));
                int len = 0;
                while ((len = is.read(buf)) != -1) {
                    zos.write(buf, 0, len);
                }
            }
        } finally {
            IOUtils.closeQuietly(is);
        }
    }