Example usage for java.util Collections list

List of usage examples for java.util Collections list

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Introduction

In this page you can find the example usage for java.util Collections list.

Prototype

public static <T> ArrayList<T> list(Enumeration<T> e)

Source Link

Document

Returns an array list containing the elements returned by the specified enumeration in the order they are returned by the enumeration.

Usage

From source file:otsopack.commons.network.coordination.spacemanager.HttpSpaceManager.java

public static String getIpAddress() {
    try {//ww  w  .jav  a2  s  .  c om
        final Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface netIf : Collections.list(nets)) {
            // If the network is active
            if (isUp(netIf)) {
                Enumeration<InetAddress> addresses = netIf.getInetAddresses();
                for (InetAddress addr : Collections.list(addresses))
                    // If the IP address is IPv4 and it's not the local address, store it
                    if (addr.getAddress().length == 4 && !addr.isLoopbackAddress())
                        return addr.getHostAddress();
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:com.gnut3ll4.android.basicandroidkeystore.MainActivity.java

public ArrayList<String> getAliases()
        throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException {
    KeyStore keyStore = KeyStore.getInstance("AndroidKeyStore");

    keyStore.load(null, null);/*from   w w  w.  j  av  a 2 s  .  com*/

    return Collections.list(keyStore.aliases());
}

From source file:org.apache.hadoop.hdfs.server.namenode.TestAuditLogs.java

@Before
public void setupCluster() throws Exception {
    // must configure prior to instantiating the namesystem because it
    // will reconfigure the logger if async is enabled
    configureAuditLogs();/*from  w ww  .  j av  a 2s.c  om*/
    conf = new HdfsConfiguration();
    final long precision = 1L;
    conf.setLong(DFSConfigKeys.DFS_NAMENODE_ACCESSTIME_PRECISION_KEY, precision);
    conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 10000L);
    conf.setBoolean(DFSConfigKeys.DFS_WEBHDFS_ENABLED_KEY, true);
    conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_AUDIT_LOG_ASYNC_KEY, useAsyncLog);
    util = new DFSTestUtil.Builder().setName("TestAuditAllowed").setNumFiles(20).build();
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(4).build();
    fs = cluster.getFileSystem();
    util.createFiles(fs, fileName);

    // make sure the appender is what it's supposed to be
    Logger logger = ((Log4JLogger) FSNamesystem.auditLog).getLogger();
    @SuppressWarnings("unchecked")
    List<Appender> appenders = Collections.list(logger.getAllAppenders());
    assertEquals(1, appenders.size());
    assertEquals(useAsyncLog, appenders.get(0) instanceof AsyncAppender);

    fnames = util.getFileNames(fileName);
    util.waitReplication(fs, fileName, (short) 3);
    userGroupInfo = UserGroupInformation.createUserForTesting(username, groups);
}

From source file:ca.uhn.fhir.rest.server.servlet.ServletRequestDetails.java

@Override
public List<String> getHeaders(String name) {
    Enumeration<String> headers = getServletRequest().getHeaders(name);
    return headers == null ? Collections.<String>emptyList()
            : Collections.list(getServletRequest().getHeaders(name));
}

From source file:org.eclipse.smarthome.binding.fsinternetradio.test.RadioServiceDummy.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String queryString = request.getQueryString();
    Collection<String> requestParameterNames = Collections.list(request.getParameterNames());
    if (queryString != null && requestParameterNames.contains(VALUE)) {
        StringBuffer fullUrl = request.getRequestURL().append("?").append(queryString);
        int value = Integer.parseInt(request.getParameter(VALUE));
        requestParameters.put(value, fullUrl.toString());
    }/*from  ww w  . j a  v a2 s. co  m*/

    String pin = request.getParameter("pin");
    if (!MOCK_RADIO_PIN.equals(pin)) {
        response.setStatus(HttpStatus.FORBIDDEN_403);
    } else if (!isOKAnswerExpected) {
        response.setStatus(HttpStatus.NOT_FOUND_404);
    } else {
        response.setStatus(HttpStatus.OK_200);
        response.setContentType("text/xml");
        String commandString = request.getPathInfo();

        switch (commandString) {
        case (REQUEST_SET_POWER):
            if (isInvalidValueExpected) {
                powerValue = null;
            } else {
                powerValue = request.getParameter(VALUE);
            }

        case (REQUEST_GET_POWER):
            powerTag = makeU8Tag(powerValue);
            tagToReturn = powerTag;
            break;

        case (REQUEST_SET_MUTE):
            if (isInvalidValueExpected) {
                muteValue = null;
            } else {
                muteValue = request.getParameter(VALUE);
            }

        case (REQUEST_GET_MUTE):
            muteTag = makeU8Tag(muteValue);
            tagToReturn = muteTag;
            break;

        case (REQUEST_SET_MODE):
            if (isInvalidValueExpected) {
                modeValue = null;
            } else {
                modeValue = request.getParameter(VALUE);
            }

        case (REQUEST_GET_MODE):
            modeTag = makeU32Tag(modeValue);
            tagToReturn = modeTag;
            break;

        case (REQUEST_SET_VOLUME):
            if (isInvalidValueExpected) {
                absoluteVolumeValue = null;
            } else {
                absoluteVolumeValue = request.getParameter(VALUE);
            }

        case (REQUEST_GET_VOLUME):
            absoluteVolumeTag = makeU8Tag(absoluteVolumeValue);
            tagToReturn = absoluteVolumeTag;
            break;

        case (REQUEST_SET_PRESET_ACTION):
            final String station = request.getParameter(VALUE);
            setRadioStation(station);
            break;

        case (REQUEST_GET_PLAY_INFO_NAME):
            tagToReturn = playInfoNameTag;
            break;

        case (REQUEST_GET_PLAY_INFO_TEXT):
            tagToReturn = playInfoTextTag;
            break;

        default:
            tagToReturn = "";
            break;
        }

        if (isInvalidResponseExpected) {
            responseToReturn = makeInvalidXMLResponse();
        } else {
            responseToReturn = makeValidXMLResponse();
        }
        PrintWriter out = response.getWriter();
        out.print(responseToReturn);
    }
}

From source file:net.centro.rtb.monitoringcenter.infos.NodeInfo.java

private static String detectLoadBalancerIpAddress() {
    Enumeration<NetworkInterface> networkInterfaces = null;
    try {/*from  w  w w  . j ava  2 s  . c om*/
        networkInterfaces = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        logger.debug("Unable to obtain network interfaces!", e);
        return null;
    }

    for (NetworkInterface networkInterface : Collections.list(networkInterfaces)) {
        boolean isLoopback = false;
        try {
            isLoopback = networkInterface.isLoopback();
        } catch (SocketException e) {
            logger.debug("Unable to identify if a network interface is a loopback or not");
            continue;
        }

        if (isLoopback) {
            Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
            while (inetAddresses.hasMoreElements()) {
                InetAddress inetAddress = inetAddresses.nextElement();
                if (!inetAddress.isLoopbackAddress() && Inet4Address.class.isInstance(inetAddress)) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    }

    return null;
}

From source file:org.apereo.portal.portlets.jsp.JspInvokerPortletController.java

private Map<String, List<String>> getPreferences(PortletRequest req) {
    Map<String, List<String>> rslt = new HashMap<String, List<String>>(); // default
    PortletPreferences prefs = req.getPreferences();
    List<String> names = Collections.list(prefs.getNames());
    for (String name : names) {
        if (!name.startsWith(CONTROLLER_PREFERENCE_PREFIX)) {
            // Pass it along in the model
            List<String> values = Arrays.asList(prefs.getValues(name, new String[] {}));
            rslt.put(name, values);//from   w  ww  .  j  av  a  2 s . co  m
        }
    }
    logger.debug("Invoking with preferences={}", rslt);
    return rslt;
}

From source file:org.kei.android.phone.cellhistory.towers.MobileNetworkInfo.java

/** Get IP For mobile */
public static String getMobileIP(final boolean useIPv4) {
    try {//from   w w  w.  j ava 2 s. co m
        final List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (final NetworkInterface intf : interfaces) {
            final List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
            for (final InetAddress addr : addrs) {
                if (!addr.isLoopbackAddress()) {
                    final String sAddr = addr.getHostAddress().toUpperCase(Locale.US);
                    final boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
                    if (useIPv4) {
                        if (isIPv4)
                            return sAddr;
                    } else {
                        if (!isIPv4) {
                            final int delim = sAddr.indexOf('%'); // drop ip6 port suffix
                            return delim < 0 ? sAddr : sAddr.substring(0, delim);
                        }
                    }
                }
            }
        }
    } catch (final Exception ex) {
        Log.e(MobileNetworkInfo.class.getSimpleName(), "Exception in Get IP Address: " + ex.getMessage(), ex);
    }
    return TowerInfo.UNKNOWN;
}

From source file:org.apache.servicecomb.foundation.vertx.http.TestStandardHttpServletRequestEx.java

@Test
public void setParameter() {
    Map<String, String[]> parameterMap = new HashMap<>();
    Deencapsulation.setField(requestEx, "parameterMap", parameterMap);

    requestEx.setParameter("k1", "v1");
    requestEx.setParameter("k2", "v2");

    Assert.assertEquals("v1", requestEx.getParameter("k1"));
    Assert.assertEquals("v2", requestEx.getParameter("k2"));

    Assert.assertSame(parameterMap, requestEx.getParameterMap());

    Assert.assertThat(Collections.list(requestEx.getParameterNames()), Matchers.contains("k1", "k2"));
}

From source file:org.phenotips.variantstore.shared.ResourceManager.java

/**
 * Copy resources recursively from a folder specified by source in a jar file specified by jarPath
 * to a destination folder on the filesystem dest.
 *
 * @param jarPath the jar file/*from  ww w .j a  v a2  s  . c o m*/
 * @param source  the folder on the filesystem
 * @param dest    the destination
 * @throws IOException
 */
private static void copyResourcesFromJar(Path jarPath, Path source, Path dest) throws IOException {
    JarFile jar = new JarFile(jarPath.toFile());

    for (JarEntry entry : Collections.list(jar.entries())) {

        if (entry.getName().startsWith(source.toString())) {
            if (entry.isDirectory()) {
                Files.createDirectory(dest.resolve(entry.getName()));
            } else {
                Files.copy(jar.getInputStream(entry), dest.resolve(entry.getName()));
            }
        }

    }
}