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:Main.java

public static void expandTree(JTree tree) {
    DefaultMutableTreeNode root = (DefaultMutableTreeNode) tree.getModel().getRoot();
    @SuppressWarnings("unchecked")
    Enumeration<DefaultMutableTreeNode> e = root.breadthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
        if (node.isLeaf())
            continue;
        int row = tree.getRowForPath(new TreePath(node.getPath()));
        tree.expandRow(row);/*  w w  w .  j  a  v  a  2 s .  c  om*/
    }
}

From source file:Main.java

/**
 * Create a Hashtable from a key, value, key, value... style
 * Enumeration./* w ww. j  av  a2s.c  o m*/
 */
public static Hashtable createHashtable(Enumeration e) {
    Hashtable result = new Hashtable();
    while (e.hasMoreElements())
        result.put(e.nextElement(), e.nextElement());
    return result;
}

From source file:LocalAddress.java

/**
 * Return an address of a non-loopback interface on the local host
 * //from  ww w .  ja  v  a 2  s  . c o m
 * @return address
 *         the InetAddress of the local host
 */
public static InetAddress getLocalAddress() {
    InetAddress addr = null;
    try {
        addr = InetAddress.getLocalHost();
        // OK - is this the loopback addr ?
        if (!addr.isLoopbackAddress()) {
            return addr;
        }
        // plan B - enumerate the network interfaces
        Enumeration ifaces = NetworkInterface.getNetworkInterfaces();
        while (ifaces.hasMoreElements()) {
            NetworkInterface netIf = (NetworkInterface) ifaces.nextElement();
            Enumeration addrs = netIf.getInetAddresses();
            while (addrs.hasMoreElements()) {
                addr = (InetAddress) addrs.nextElement();
                //System.out.println( "enum: " + addr.getHostAddress() );
                if (addr instanceof Inet6Address) {
                    // probably not what we want - keep looking
                    continue;
                }
                // chose (arbitrarily?) first non-loopback addr
                if (!addr.isLoopbackAddress()) {
                    return addr;
                }
            }
        }
        // nothing so far - last resort
        return getReflectedAddress();
    } catch (UnknownHostException uhE) {
        // deal with this
    } catch (SocketException sockE) {
        // can deal?
    }

    return null;
}

From source file:Main.java

public static String getIpAddress(boolean alwaysGetWifi) {

    try {//  w w w .  java 2 s.  c  om
        Enumeration<NetworkInterface> enmNetI = NetworkInterface.getNetworkInterfaces();
        while (enmNetI.hasMoreElements()) {
            NetworkInterface networkInterface = enmNetI.nextElement();
            boolean b = alwaysGetWifi
                    ? networkInterface.getDisplayName().equals("wlan0")
                            || networkInterface.getDisplayName().equals("eth0")
                    : true;
            if (b) {
                Enumeration<InetAddress> inetAddressEnumeration = networkInterface.getInetAddresses();
                while (inetAddressEnumeration.hasMoreElements()) {
                    InetAddress inetAddress = inetAddressEnumeration.nextElement();
                    if (inetAddress instanceof Inet4Address && !inetAddress.isLoopbackAddress()) {
                        return "net name is " + networkInterface.getDisplayName() + ",ip is "
                                + inetAddress.getHostAddress();
                    }
                }
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }

    return "";
}

From source file:Main.java

public static Collection<?> list(final Enumeration<?> e) {
    final ArrayList<Object> l = new ArrayList<Object>();
    if (e != null) {
        while (e.hasMoreElements()) {
            final Object object = e.nextElement();
            if (object != null) {
                l.add(object);// w w  w  .j  a v a 2 s  .co m
            }
        }
    }
    return l;
}

From source file:com.bank.manager.configs.ContextCleanupListener.java

/**
 * Find all ServletContext attributes which implement {@link DisposableBean}
 * and destroy them, removing all affected ServletContext attributes eventually.
 * @param sc the ServletContext to check
 *///from  w ww . ja  v  a 2  s. co  m
static void cleanupAttributes(ServletContext sc) {
    Enumeration<String> attrNames = sc.getAttributeNames();
    while (attrNames.hasMoreElements()) {
        String attrName = attrNames.nextElement();
        if (attrName.startsWith("org.springframework.")) {
            Object attrValue = sc.getAttribute(attrName);
            if (attrValue instanceof DisposableBean) {
                try {
                    ((DisposableBean) attrValue).destroy();
                } catch (Throwable ex) {
                    logger.error("Couldn't invoke destroy method of attribute with name '" + attrName + "'",
                            ex);
                }
            }
        }
    }
}

From source file:com.zergiu.tvman.TVMan.java

private static void configureLoggers(TVManOptions options) {
    if (options.isDebug()) {
        org.apache.log4j.Logger log4JLogging = org.apache.log4j.Logger.getLogger("com.zergiu.tvman");
        log4JLogging.setLevel(Level.DEBUG);
    }//from   w  w w . j a  v  a 2s . c o  m

    if (options.isQuiet()) {
        org.apache.log4j.Logger log4JLogging = org.apache.log4j.Logger.getRootLogger();
        Enumeration<?> loggers = log4JLogging.getLoggerRepository().getCurrentLoggers();
        while (loggers.hasMoreElements()) {
            org.apache.log4j.Logger logger = (org.apache.log4j.Logger) loggers.nextElement();
            logger.setLevel(Level.ERROR);
        }
        log4JLogging.setLevel(Level.ERROR);
    }
}

From source file:Main.java

/**
 * Uncompresses zipped files//from   w  w w. j  a  v  a2s .  co m
 * @param zippedFile The file to uncompress
 * @param destinationDir Where to put the files
 * @return  list of unzipped files
 * @throws java.io.IOException thrown if there is a problem finding or writing the files
 */
public static List<File> unzip(File zippedFile, File destinationDir) throws IOException {
    int buffer = 2048;

    List<File> unzippedFiles = new ArrayList<File>();

    BufferedOutputStream dest;
    BufferedInputStream is;
    ZipEntry entry;
    ZipFile zipfile = new ZipFile(zippedFile);
    Enumeration e = zipfile.entries();
    while (e.hasMoreElements()) {
        entry = (ZipEntry) e.nextElement();

        is = new BufferedInputStream(zipfile.getInputStream(entry));
        int count;
        byte data[] = new byte[buffer];

        File destFile;

        if (destinationDir != null) {
            destFile = new File(destinationDir, entry.getName());
        } else {
            destFile = new File(entry.getName());
        }

        FileOutputStream fos = new FileOutputStream(destFile);
        dest = new BufferedOutputStream(fos, buffer);
        try {
            while ((count = is.read(data, 0, buffer)) != -1) {
                dest.write(data, 0, count);
            }

            unzippedFiles.add(destFile);
        } finally {
            dest.flush();
            dest.close();
            is.close();
        }
    }

    return unzippedFiles;
}

From source file:Main.java

public static InetAddress getLocalInetAddress() {
    InetAddress ip = null;//from  ww w  .  j  ava  2 s. c  o  m
    try {
        Enumeration<NetworkInterface> en_netInterface = NetworkInterface.getNetworkInterfaces();
        while (en_netInterface.hasMoreElements()) {
            NetworkInterface ni = (NetworkInterface) en_netInterface.nextElement();
            Enumeration<InetAddress> en_ip = ni.getInetAddresses();
            while (en_ip.hasMoreElements()) {
                ip = en_ip.nextElement();
                if (!ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1)
                    break;
                else
                    ip = null;
            }
            if (ip != null) {
                break;
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }
    return ip;
}

From source file:Main.java

/**
 * Iterates over APK (jar entries) to populate
 * //from  ww  w . j a v  a 2 s .  c  o m
 * @param projectFile
 * @return
 * @throws IOException
 * @throws CertificateException
 */
public static List<Certificate> populateCertificate(File projectFile) throws IOException, CertificateException {
    List<Certificate> certList = new ArrayList<Certificate>();
    JarFile jar = new JarFile(projectFile);
    Enumeration<JarEntry> jarEntries = jar.entries();
    while (jarEntries.hasMoreElements()) {
        JarEntry entry = jarEntries.nextElement();
        if (entry.getName().toLowerCase().contains(DSA) || entry.getName().toLowerCase().contains(RSA)) {
            certList.addAll(extractCertificate(jar, entry));
        }
    }
    return certList;
}