Example usage for java.util Enumeration nextElement

List of usage examples for java.util Enumeration nextElement

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Introduction

In this page you can find the example usage for java.util Enumeration nextElement.

Prototype

E nextElement();

Source Link

Document

Returns the next element of this enumeration if this enumeration object has at least one more element to provide.

Usage

From source file:Main.java

public static <T> Iterator<T> iterator(Enumeration<T> enumeration) {
    return new Iterator<T>() {

        @Override/*from   ww w .  j av  a 2 s  . com*/
        public boolean hasNext() {
            return enumeration.hasMoreElements();
        }

        @Override
        public T next() {
            return enumeration.nextElement();
        }
    };
}

From source file:ZipFileUtil.java

/**
 * @param zipFile//from   w  w w .j  a v  a  2s .c o m
 * @param jiniHomeParentDir
 */
public static void unzipFileIntoDirectory(ZipFile zipFile, File jiniHomeParentDir) {
    Enumeration files = zipFile.entries();
    File f = null;
    FileOutputStream fos = null;

    while (files.hasMoreElements()) {
        try {
            ZipEntry entry = (ZipEntry) files.nextElement();
            InputStream eis = zipFile.getInputStream(entry);
            byte[] buffer = new byte[1024];
            int bytesRead = 0;

            f = new File(jiniHomeParentDir.getAbsolutePath() + File.separator + entry.getName());

            if (entry.isDirectory()) {
                f.mkdirs();
                continue;
            } else {
                f.getParentFile().mkdirs();
                f.createNewFile();
            }

            fos = new FileOutputStream(f);

            while ((bytesRead = eis.read(buffer)) != -1) {
                fos.write(buffer, 0, bytesRead);
            }
        } catch (IOException e) {
            e.printStackTrace();
            continue;
        } finally {
            if (fos != null) {
                try {
                    fos.close();
                } catch (IOException e) {
                    // ignore
                }
            }
        }
    }
}

From source file:io.reactiverse.vertx.maven.plugin.utils.WebJars.java

/**
 * Checks whether the given file is a WebJar or not (http://www.webjars.org/documentation).
 * The check is based on the presence of {@literal META-INF/resources/webjars/} directory in the jar file.
 *
 * @param file the file.// ww  w . j  a v  a2  s. c  o m
 * @return {@literal true} if it's a bundle, {@literal false} otherwise.
 */
public static boolean isWebJar(Log log, File file) {
    if (file == null) {
        return false;
    }
    Set<String> found = new LinkedHashSet<>();
    if (file.isFile() && file.getName().endsWith(".jar")) {
        try (JarFile jar = new JarFile(file)) {

            // Fast return if the base structure is not there
            if (jar.getEntry(WEBJAR_LOCATION) == null) {
                return false;
            }

            Enumeration<JarEntry> entries = jar.entries();
            while (entries.hasMoreElements()) {
                JarEntry entry = entries.nextElement();
                Matcher matcher = WEBJAR_REGEX.matcher(entry.getName());
                if (matcher.matches()) {
                    found.add(matcher.group(1) + "-" + matcher.group(2));
                }
            }
        } catch (IOException e) {
            log.error("Cannot check if the file " + file.getName() + " is a webjar, cannot open it", e);
            return false;
        }

        for (String lib : found) {
            log.info("Web Library found in " + file.getName() + " : " + lib);
        }

        return !found.isEmpty();
    }

    return false;
}

From source file:com.predic8.membrane.examples.DistributionExtractingTestcase.java

public static final void unzip(File zip, File target) throws IOException {
    ZipFile zipFile = new ZipFile(zip);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        if (entry.isDirectory()) {
            // Assume directories are stored parents first then children.
            // This is not robust, just for demonstration purposes.
            new File(target, entry.getName()).mkdir();
        } else {/*from  ww w  .jav a2s  . co  m*/
            FileOutputStream fos = new FileOutputStream(new File(target, entry.getName()));
            try {
                copyInputStream(zipFile.getInputStream(entry), new BufferedOutputStream(fos));
            } finally {
                fos.close();
            }
        }
    }
    zipFile.close();
}

From source file:de.langmi.spring.batch.examples.readers.file.zip.ZipMultiResourceItemReader.java

/**
 * Extract only files from the zip archive.
 *
 * @param currentZipFile/*from   w  w w  . j a va 2s. com*/
 * @param extractedResources
 * @throws IOException 
 */
private static void extractFiles(final ZipFile currentZipFile, final List<Resource> extractedResources)
        throws IOException {
    Enumeration<? extends ZipEntry> zipEntryEnum = currentZipFile.entries();
    while (zipEntryEnum.hasMoreElements()) {
        ZipEntry zipEntry = zipEntryEnum.nextElement();
        LOG.info("extracting:" + zipEntry.getName());
        // traverse directories
        if (!zipEntry.isDirectory()) {
            // add inputStream
            extractedResources
                    .add(new InputStreamResource(currentZipFile.getInputStream(zipEntry), zipEntry.getName()));
            LOG.info("using extracted file:" + zipEntry.getName());
        }
    }
}

From source file:org.cloudfoundry.client.lib.SampleProjects.java

private static void unpackZip(ZipFile zipFile, File unpackDir) throws IOException {
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        File destination = new File(unpackDir.getAbsolutePath() + "/" + entry.getName());
        if (entry.isDirectory()) {
            destination.mkdirs();/*from   www  .j  a  v a  2 s  .  c om*/
        } else {
            destination.getParentFile().mkdirs();
            FileCopyUtils.copy(zipFile.getInputStream(entry), new FileOutputStream(destination));
        }
        if (entry.getTime() != -1) {
            destination.setLastModified(entry.getTime());
        }
    }
}

From source file:com.daphne.es.maintain.editor.web.controller.utils.CompressUtils.java

@SuppressWarnings("unchecked")
private static void unzipFolder(File uncompressFile, File descPathFile, boolean override) {

    ZipFile zipFile = null;//w  ww . j a  v a  2s. co  m
    try {
        zipFile = new ZipFile(uncompressFile, "GBK");

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry zipEntry = entries.nextElement();
            String name = zipEntry.getName();
            name = name.replace("\\", "/");

            File currentFile = new File(descPathFile, name);

            //? 
            if (currentFile.isFile() && currentFile.exists() && !override) {
                continue;
            }

            if (name.endsWith("/")) {
                currentFile.mkdirs();
                continue;
            } else {
                currentFile.getParentFile().mkdirs();
            }

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(currentFile);
                InputStream is = zipFile.getInputStream(zipEntry);
                IOUtils.copy(is, fos);
            } finally {
                IOUtils.closeQuietly(fos);
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("", e);
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
            }
        }
    }

}

From source file:hudson.plugins.codeviation.JavaFileIterableView.java

public static void updateGraphType(StaplerRequest req, StaplerResponse rsp) {
    chartType = req.getParameter(CHART_TYPE_PARAM);
    Enumeration en = req.getParameterNames();
    while (en.hasMoreElements()) {
        System.out.println(en.nextElement());
    }/*from w  w  w  . j av  a  2s .  c  o  m*/
    if (chartType != null) {
        rsp.addCookie(new Cookie(CHART_TYPE_PARAM, chartType));
    }

}

From source file:azkaban.jobtype.connectors.teradata.TeraDataWalletInitializer.java

/**
 * As of TDCH 1.4.1, integration with Teradata wallet only works with hadoop jar command line command.
 * This is mainly because TDCH depends on the behavior of hadoop jar command line which extracts jar file
 * into hadoop tmp folder.//from ww w  .  j a  va2  s.co m
 *
 * This method will extract tdchJarfile and place it into temporary folder, and also add jvm shutdown hook
 * to delete the directory when JVM shuts down.
 * @param tdchJarFile TDCH jar file.
 */
public static void initialize(File tmpDir, File tdchJarFile) {
    synchronized (TeraDataWalletInitializer.class) {
        if (tdchJarExtractedDir != null) {
            return;
        }

        if (tdchJarFile == null) {
            throw new IllegalArgumentException("TDCH jar file cannot be null.");
        }
        if (!tdchJarFile.exists()) {
            throw new IllegalArgumentException(
                    "TDCH jar file does not exist. " + tdchJarFile.getAbsolutePath());
        }
        try {
            //Extract TDCH jar.
            File unJarDir = createUnjarDir(
                    new File(tmpDir.getAbsolutePath() + File.separator + UNJAR_DIR_NAME));
            JarFile jar = new JarFile(tdchJarFile);
            Enumeration<JarEntry> enumEntries = jar.entries();

            while (enumEntries.hasMoreElements()) {
                JarEntry srcFile = enumEntries.nextElement();
                File destFile = new File(unJarDir + File.separator + srcFile.getName());
                if (srcFile.isDirectory()) { // if its a directory, create it
                    destFile.mkdir();
                    continue;
                }

                InputStream is = jar.getInputStream(srcFile);
                BufferedOutputStream os = new BufferedOutputStream(new FileOutputStream(destFile));
                IOUtils.copy(is, os);
                close(os);
                close(is);
            }
            jar.close();
            tdchJarExtractedDir = unJarDir;
        } catch (IOException e) {
            throw new RuntimeException("Failed while extracting TDCH jar file.", e);
        }
    }
    logger.info("TDCH jar has been extracted into directory: " + tdchJarExtractedDir.getAbsolutePath());
}

From source file:com.servoy.j2db.util.SecuritySupport.java

public static Key getCryptKey(Settings settings) throws Exception {
    initKeyStoreAndPassphrase(settings);

    Enumeration e = keyStore.aliases();
    while (e.hasMoreElements()) {
        String alias = (String) e.nextElement();
        if (keyStore.isKeyEntry(alias)) {
            return new SecretKeySpec(
                    new DESedeKeySpec(keyStore.getKey(alias, passphrase).getEncoded()).getKey(), "DESede");
        }//ww  w .  j  a va  2  s  .c om
    }
    return null;
}