Example usage for java.util.zip ZipFile entries

Introduction

In this page you can find the example usage for java.util.zip ZipFile entries.

Prototype

public Enumeration<? extends ZipEntry> entries() 

Source Link

Document

Returns an enumeration of the ZIP file entries.

Usage

From source file:com.genericworkflownodes.knime.nodes.io.outputfile.OutputFileNodeModel.java

/**
 * {@inheritDoc}/*from   w w w .ja  v  a2  s .  c o m*/
 */
@Override
protected void loadInternals(final File internDir, final ExecutionMonitor exec)
        throws IOException, CanceledExecutionException {
    ZipFile zip = new ZipFile(new File(internDir, "loadeddata"));

    @SuppressWarnings("unchecked")
    Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();

    int BUFFSIZE = 2048;
    byte[] BUFFER = new byte[BUFFSIZE];

    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();

        if (entry.getName().equals("rawdata.bin")) {
            int size = (int) entry.getSize();
            byte[] data = new byte[size];
            InputStream in = zip.getInputStream(entry);
            int len;
            int totlen = 0;
            while ((len = in.read(BUFFER, 0, BUFFSIZE)) >= 0) {
                System.arraycopy(BUFFER, 0, data, totlen, len);
                totlen += len;
            }
            this.data = new String(data);
        }
    }
    zip.close();
}

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From source file:com.flexive.tests.disttools.DistPackageTest.java

/**
 * Extracts the flexive-dist.zip package and returns the (temporary) directory handle. All extracted
 * files will be registered for deletion on the JVM exit.
 *
 * @return  the (temporary) directory handle.
 * @throws IOException  if the package could not be extracted
 *//*  ww  w  . j  a v a2s .c om*/
private File extractDistPackage() throws IOException {
    final ZipFile file = getDistFile();
    final File tempDir = createTempDir();
    try {
        final Enumeration<? extends ZipEntry> entries = file.entries();
        while (entries.hasMoreElements()) {
            final ZipEntry zipEntry = entries.nextElement();
            final String path = getTempPath(tempDir, zipEntry);
            if (zipEntry.isDirectory()) {
                final File dir = new File(path);
                dir.mkdirs();
                dir.deleteOnExit();
            } else {
                final InputStream in = file.getInputStream(zipEntry);
                final OutputStream out = new BufferedOutputStream(new FileOutputStream(path));
                // copy streams
                final byte[] buffer = new byte[32768];
                int len;
                while ((len = in.read(buffer)) > 0) {
                    out.write(buffer, 0, len);
                }
                in.close();
                out.close();
                new File(path).deleteOnExit();
            }
        }
    } finally {
        file.close();
    }
    return new File(tempDir + File.separator + "flexive-dist");
}

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From source file:org.apache.tez.history.parser.ATSFileParser.java

/**
 * Read zip file contents. Every file can contain "dag", "vertices", "tasks", "task_attempts"
 *
 * @param atsFile/*from   w  ww .j  a  v  a 2 s. co m*/
 * @throws IOException
 * @throws JSONException
 */
private void parseATSZipFile(File atsFile)
        throws IOException, JSONException, TezException, InterruptedException {
    final ZipFile atsZipFile = new ZipFile(atsFile);
    try {
        Enumeration<? extends ZipEntry> zipEntries = atsZipFile.entries();
        while (zipEntries.hasMoreElements()) {
            ZipEntry zipEntry = zipEntries.nextElement();
            LOG.debug("Processing " + zipEntry.getName());
            InputStream inputStream = atsZipFile.getInputStream(zipEntry);
            JSONObject jsonObject = readJson(inputStream);

            //This json can contain dag, vertices, tasks, task_attempts
            JSONObject dagJson = jsonObject.optJSONObject(Constants.DAG);
            if (dagJson != null) {
                //TODO: support for multiple dags per ATS file later.
                dagInfo = DagInfo.create(dagJson);
            }

            //Process vertex
            JSONArray vertexJson = jsonObject.optJSONArray(Constants.VERTICES);
            if (vertexJson != null) {
                processVertices(vertexJson);
            }

            //Process task
            JSONArray taskJson = jsonObject.optJSONArray(Constants.TASKS);
            if (taskJson != null) {
                processTasks(taskJson);
            }

            //Process task attempts
            JSONArray attemptsJson = jsonObject.optJSONArray(Constants.TASK_ATTEMPTS);
            if (attemptsJson != null) {
                processAttempts(attemptsJson);
            }

            //Process application (mainly versionInfo)
            JSONObject tezAppJson = jsonObject.optJSONObject(Constants.APPLICATION);
            if (tezAppJson != null) {
                processApplication(tezAppJson);
            }
        }
    } finally {
        atsZipFile.close();
    }
}

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From source file:org.apache.archiva.remotedownload.AbstractDownloadTest.java

protected List<String> getZipEntriesNames(ZipFile zipFile) {
    try {//from w  ww .  j a v  a2  s.c o m
        List<String> entriesNames = new ArrayList<>();
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            entriesNames.add(entries.nextElement().getName());
        }
        return entriesNames;
    } catch (Throwable e) {
        log.info("fail to get zipEntries {}", e.getMessage(), e);
    }
    return Collections.emptyList();
}

---

From source file:org.openmrs.module.clinicalsummary.web.controller.upload.UploadSummariesController.java

public void validate(final String filename, final String password) throws Exception {
    String encryptedFilename = StringUtils.join(Arrays.asList(filename, TaskConstants.FILE_TYPE_ENCRYPTED),
            ".");
    ZipFile encryptedFile = new ZipFile(new File(TaskUtils.getEncryptedOutputPath(), encryptedFilename));

    byte[] initVector = null;
    byte[] encryptedSampleBytes = null;
    Enumeration<? extends ZipEntry> entries = encryptedFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry zipEntry = entries.nextElement();
        String zipEntryName = zipEntry.getName();
        if (zipEntryName.endsWith(TaskConstants.FILE_TYPE_SECRET)) {
            InputStream inputStream = encryptedFile.getInputStream(zipEntry);
            initVector = FileCopyUtils.copyToByteArray(inputStream);
            if (initVector.length != IV_SIZE) {
                throw new Exception("Secret file is corrupted or invalid secret file are being used.");
            }/*from   w ww. j  a va  2 s  .  c o  m*/
        } else if (zipEntryName.endsWith(TaskConstants.FILE_TYPE_SAMPLE)) {
            InputStream inputStream = encryptedFile.getInputStream(zipEntry);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            FileCopyUtils.copy(inputStream, baos);
            encryptedSampleBytes = baos.toByteArray();
        }
    }

    if (initVector != null && encryptedSampleBytes != null) {
        SecretKeyFactory factory = SecretKeyFactory.getInstance(TaskConstants.SECRET_KEY_FACTORY);
        KeySpec spec = new PBEKeySpec(password.toCharArray(), password.getBytes(), 1024, 128);
        SecretKey tmp = factory.generateSecret(spec);
        // generate the secret key
        SecretKey secretKey = new SecretKeySpec(tmp.getEncoded(), TaskConstants.KEY_SPEC);
        // create the cipher
        Cipher cipher = Cipher.getInstance(TaskConstants.CIPHER_CONFIGURATION);
        cipher.init(Cipher.DECRYPT_MODE, secretKey, new IvParameterSpec(initVector));
        // decrypt the sample
        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(encryptedSampleBytes);
        CipherInputStream cipherInputStream = new CipherInputStream(byteArrayInputStream, cipher);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        FileCopyUtils.copy(cipherInputStream, baos);

        String sampleText = baos.toString();
        if (!sampleText.contains("This is sample text")) {
            throw new Exception("Upload parameters incorrect!");
        }
    }
}

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From source file:it.readbeyond.minstrel.librarian.FormatHandlerAbstractZIP.java

protected List<ZipAsset> getSortedListOfAssets(String path, String[] allowedExtensions) {
    List<ZipAsset> assets = new ArrayList<ZipAsset>();
    try {//  w ww.  j  a  v a 2  s  .  co  m
        // read assets 
        ZipFile zipFile = new ZipFile(new File(path), ZipFile.OPEN_READ);
        Enumeration<? extends ZipEntry> zipFileEntries = zipFile.entries();
        while (zipFileEntries.hasMoreElements()) {
            ZipEntry ze = zipFileEntries.nextElement();
            String name = ze.getName();
            String lower = name.toLowerCase();
            if (this.fileHasAllowedExtension(lower, allowedExtensions)) {
                assets.add(new ZipAsset(name, null));
            }
        }
        zipFile.close();

        // sort assets
        Collections.sort(assets);
    } catch (Exception e) {
        // nop 
    }
    return assets;
}

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From source file:org.eclipse.emf.ecp.emf2web.wizard.ViewModelExportWizard.java

/**
 * Extracts the given zip file to the given destination.
 *
 * @param zipFilePath/*from  w  w  w  . ja  v  a  2  s. co m*/
 *            The absolute path of the zip file.
 * @param destinationPath
 *            The absolute path of the destination directory;
 * @throws IOException when extracting or copying fails.
 */
private void extractZip(String zipFilePath, String destinationPath) throws IOException {
    final ZipFile zipFile = new ZipFile(zipFilePath);
    final Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        final ZipEntry entry = entries.nextElement();
        final File entryDestination = new File(destinationPath, entry.getName());
        entryDestination.getParentFile().mkdirs();
        if (entry.isDirectory()) {
            entryDestination.mkdirs();
        } else {
            final InputStream in = zipFile.getInputStream(entry);
            final OutputStream out = new FileOutputStream(entryDestination);
            IOUtils.copy(in, out);
            IOUtils.closeQuietly(in);
            IOUtils.closeQuietly(out);
        }
    }
    zipFile.close();
}

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From source file:org.jboss.dashboard.factory.Factory.java

protected List<DescriptorFile> initModuleFromZip(File moduleZip) throws IOException {
    List<DescriptorFile> descriptorFiles = new ArrayList<DescriptorFile>();
    ZipFile zf = new ZipFile(moduleZip);
    for (Enumeration en = zf.entries(); en.hasMoreElements();) {
        ZipEntry entry = (ZipEntry) en.nextElement();
        if (entry.getName().endsWith(FACTORY_EXTENSION) && !entry.isDirectory()) {
            InputStream is = zf.getInputStream(entry);
            String componentName = entry.getName();
            componentName = componentName.substring(0, componentName.length() - 1 - FACTORY_EXTENSION.length());
            componentName = componentName.replace('/', '.');
            componentName = componentName.replace('\\', '.');
            Properties prop = new Properties();
            try {
                prop.load(is);//from ww  w .  ja  v  a2  s.co  m
                is.close();
                descriptorFiles.add(new DescriptorFile(componentName, prop, moduleZip + "!" + entry.getName()));
            } catch (IOException e) {
                log.error("Error processing file " + entry.getName() + " inside " + moduleZip
                        + ". It will be ignored.", e);
                continue;
            }
        }
    }
    return descriptorFiles;
}

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From source file:org.jboss.dashboard.database.hibernate.HibernateInitializer.java

protected void loadHibernateDescriptors(Configuration hbmConfig) throws IOException {
    Set<File> jars = Application.lookup().getJarFiles();
    for (File jar : jars) {
        ZipFile zf = new ZipFile(jar);
        for (Enumeration en = zf.entries(); en.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) en.nextElement();
            String entryName = entry.getName();
            if (entryName.endsWith("hbm.xml") && !entry.isDirectory()) {
                InputStream is = zf.getInputStream(entry);
                String xml = readXMLForFile(entryName, is);
                xml = processXMLContents(xml);
                hbmConfig.addXML(xml);//w  w  w.ja  v a 2s . c  o  m
            }
        }
    }
}

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From source file:org.hyperic.hq.product.ClientPluginDeployer.java

public List unpackJar(String jar) throws IOException {

    ArrayList jars = new ArrayList();

    ZipFile zipfile = new ZipFile(jar);
    for (Enumeration e = zipfile.entries(); e.hasMoreElements();) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        String name = entry.getName();

        if (entry.isDirectory()) {
            continue;
        }/* ww w.  j  av  a  2s . com*/

        int ix = name.indexOf('/');
        if (ix == -1) {
            continue;
        }

        String prefix = name.substring(0, ix);
        name = name.substring(ix + 1);

        File file = getFile(prefix, name);
        if (file == null) {
            continue;
        }

        if (name.endsWith(".jar")) {
            jars.add(file.toString());
        }

        if (upToDate(entry, file)) {
            continue;
        }

        InputStream is = zipfile.getInputStream(entry);
        try {
            write(is, file);
        } catch (IOException ioe) {
            zipfile.close();
            throw ioe;
        } finally {
            is.close();
        }
    }

    zipfile.close();

    return jars;
}

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