Example usage for java.util Enumeration hasMoreElements

Introduction

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

Prototype

boolean hasMoreElements();

Source Link

Document

Tests if this enumeration contains more elements.

Usage

From source file:gov.va.oia.terminology.converters.sharedUtils.Unzip.java

public final static void unzip(File zipFile, File rootDir) throws IOException {
    ZipFile zip = new ZipFile(zipFile);
    @SuppressWarnings("unchecked")
    Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        java.io.File f = new java.io.File(rootDir, entry.getName());
        if (entry.isDirectory()) {
            f.mkdirs();//from   w  w w  .  j  av  a  2s  .  co m
            continue;
        } else {
            f.createNewFile();
        }
        InputStream is = null;
        OutputStream os = null;
        try {
            is = zip.getInputStream(entry);
            os = new FileOutputStream(f);
            IOUtils.copy(is, os);
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (Exception e) {
                    // noop
                }
            }
            if (os != null) {
                try {
                    os.close();
                } catch (Exception e) {
                    // noop
                }
            }
        }
    }
    zip.close();
}

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.// w  w w .  j  av a2 s  . com
 * @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:Main.java

/**
 * extracts a zip file to the given dir/*from w  ww .ja v a2 s  .  c o  m*/
 * @param archive
 * @param destDir
 * @throws IOException 
 * @throws ZipException 
 * @throws Exception
 */
public static void extractZipArchive(File archive, File destDir) throws ZipException, IOException {
    if (!destDir.exists()) {
        destDir.mkdir();
    }

    ZipFile zipFile = new ZipFile(archive);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    byte[] buffer = new byte[16384];
    int len;
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();

        String entryFileName = entry.getName();

        File dir = buildDirectoryHierarchyFor(entryFileName, destDir);
        if (!dir.exists()) {
            dir.mkdirs();
        }

        if (!entry.isDirectory()) {
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(new File(destDir, entryFileName)));

            BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(entry));

            while ((len = bis.read(buffer)) > 0) {
                bos.write(buffer, 0, len);
            }

            bos.flush();
            bos.close();
            bis.close();
        }
    }
}

From source file:b2s.idea.mavenize.JarCombiner.java

private static void copyContentsOf(File input, ZipOutputStream output, JarContext context) throws IOException {
    ZipFile zip = null;//  w  w  w. j a va2 s.  com
    try {
        zip = new ZipFile(input);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (fileCanBeIgnored(entry, context)) {
                continue;
            }

            if (isServiceEntry(entry)) {
                context.addService(entry.getName(), contentsOf(entry, zip));
                continue;
            }

            output.putNextEntry(new ZipEntry(entry.getName()));
            output.write(contentsOf(entry, zip));
            output.flush();
            output.closeEntry();

            context.addVisitedEntry(entry);
        }
    } finally {
        close(zip);
    }
}

From source file:jp.co.golorp.emarf.sql.DataSources.java

/**
 * ?/*from   w  w w .j  a v a  2  s . co  m*/
 *
 * @return DataSource
 */
public static DataSource get() {

    if (ds != null) {
        return ds;
    }

    /*
     * JNDI??
     */

    String name = BUNDLE.getString(DATA_SOURCE_NAME);
    try {
        Context context = new InitialContext();
        ds = (DataSource) context.lookup(name);
        return ds;
    } catch (NamingException e) {
        LOG.warn(e.getMessage());
    }

    /*
     * DBCP??
     */

    Properties properties = new Properties();
    Enumeration<String> keys = BUNDLE.getKeys();
    while (keys.hasMoreElements()) {
        String key = keys.nextElement();
        String value = BUNDLE.getString(key);
        properties.put(key, value);
        // if (value.contains("mysql")) {
        // DataSources.isMySQL = true;
        // } else if (value.contains("oracle")) {
        // DataSources.isOracle = true;
        // }
    }

    try {
        ds = BasicDataSourceFactory.createDataSource(properties);
        return ds;
    } catch (Exception e) {
        throw new SystemError(e);
    }
}

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

/**
 * Extract only files from the zip archive.
 *
 * @param currentZipFile// w  w w.  j  a  v a  2  s  .co m
 * @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:com.itude.mobile.mobbl.server.util.HeaderUtil.java

public static void printRequestHeaders(Logger logger, HttpServletRequest request) {
    if (request == null)
        throw new IllegalArgumentException("Request can't be null");
    if (logger == null)
        throw new IllegalArgumentException("Logger can't be null");

    logger.debug("List of request parameters:");

    @SuppressWarnings("unchecked")
    Enumeration<String> requestHeaders = request.getHeaderNames();
    if (requestHeaders != null) {
        while (requestHeaders.hasMoreElements()) {
            String header = requestHeaders.nextElement();

            @SuppressWarnings("unchecked")
            Enumeration<String> headers = request.getHeaders(header);
            if (headers != null) {
                while (headers.hasMoreElements())
                    logger.debug(header + ":" + headers.nextElement());
            }//from  w w w.  ja va2s.  com
        }
    }
}

From source file:com.enonic.esl.io.FileUtil.java

/**
 * Inflates a zip into a directory. Creates the directory and/or its parents if they don't exists.
 *
 * @param zipFile ZipFile zip file to inflate
 * @param dir     File destination directory
 */// w w  w .j a  v  a  2  s.c  om
public static void inflateZipFile(ZipFile zipFile, File dir) throws IOException {
    Enumeration entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        inflateFile(dir, zipFile, entry);
    }
}

From source file:ste.web.beanshell.jetty.BeanShellUtils.java

/**
 * Cleans up request variables so that they won't be set in next invocations
 *
 * @param interpreter the beanshell interpreter
 * @param request the request/*from  w  w  w .ja  va 2  s  .  c om*/
 *
 */
public static void cleanup(final Interpreter interpreter, final HttpServletRequest request) throws EvalError {
    Enumeration<String> params = request.getParameterNames();
    while (params.hasMoreElements()) {
        interpreter.unset(params.nextElement());
    }
}

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  w ww. ja v  a 2 s .co m
            FileOutputStream fos = new FileOutputStream(new File(target, entry.getName()));
            try {
                copyInputStream(zipFile.getInputStream(entry), new BufferedOutputStream(fos));
            } finally {
                fos.close();
            }
        }
    }
    zipFile.close();
}