Example usage for java.util Collections list

List of usage examples for java.util Collections list

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Collections
  6. list

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:eu.musesproject.client.contextmonitoring.sensors.DeviceProtectionSensor.java

public String getIPAddress(boolean useIPv4) {
    try {//from   w  w w . j a  v  a 2s .com
        List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface intf : interfaces) {
            List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
            for (InetAddress addr : addrs) {
                if (!addr.isLoopbackAddress()) {
                    String sAddr = addr.getHostAddress().toUpperCase();
                    boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
                    if (useIPv4) {
                        if (isIPv4)
                            return sAddr;
                    } else {
                        if (!isIPv4) {
                            int delim = sAddr.indexOf('%');
                            return delim < 0 ? sAddr : sAddr.substring(0, delim);
                        }
                    }
                }
            }
        }
    } catch (Exception ex) {
    } // for now eat exceptions
    return "";
}

From source file:org.apache.qpid.server.management.plugin.HttpManagementUtil.java

public static Subject tryToAuthenticate(HttpServletRequest request,
        HttpManagementConfiguration managementConfig) {
    Subject subject = null;//w w  w.j  a  v  a  2  s.c  o  m
    SocketAddress localAddress = getSocketAddress(request);
    final AuthenticationProvider authenticationProvider = managementConfig
            .getAuthenticationProvider(localAddress);
    SubjectCreator subjectCreator = authenticationProvider.getSubjectCreator(request.isSecure());
    String remoteUser = request.getRemoteUser();

    if (remoteUser != null || authenticationProvider instanceof AnonymousAuthenticationManager) {
        subject = authenticateUser(subjectCreator, remoteUser, null);
    } else if (authenticationProvider instanceof ExternalAuthenticationManager && Collections
            .list(request.getAttributeNames()).contains("javax.servlet.request.X509Certificate")) {
        Principal principal = null;
        X509Certificate[] certificates = (X509Certificate[]) request
                .getAttribute("javax.servlet.request.X509Certificate");
        if (certificates != null && certificates.length != 0) {
            principal = certificates[0].getSubjectX500Principal();

            if (!Boolean.valueOf(String.valueOf(authenticationProvider
                    .getAttribute(ExternalAuthenticationManager.ATTRIBUTE_USE_FULL_DN)))) {
                String username;
                String dn = ((X500Principal) principal).getName(X500Principal.RFC2253);

                username = SSLUtil.getIdFromSubjectDN(dn);
                principal = new UsernamePrincipal(username);
            }

            subject = subjectCreator.createSubjectWithGroups(new AuthenticatedPrincipal(principal));
        }
    } else {
        String header = request.getHeader("Authorization");
        if (header != null) {
            String[] tokens = header.split("\\s");
            if (tokens.length >= 2 && "BASIC".equalsIgnoreCase(tokens[0])) {
                boolean isBasicAuthSupported = false;
                if (request.isSecure()) {
                    isBasicAuthSupported = managementConfig.isHttpsBasicAuthenticationEnabled();
                } else {
                    isBasicAuthSupported = managementConfig.isHttpBasicAuthenticationEnabled();
                }
                if (isBasicAuthSupported) {
                    String base64UsernameAndPassword = tokens[1];
                    String[] credentials = (new String(
                            Base64.decodeBase64(base64UsernameAndPassword.getBytes()))).split(":", 2);
                    if (credentials.length == 2) {
                        subject = authenticateUser(subjectCreator, credentials[0], credentials[1]);
                    }
                }
            }
        }
    }
    return subject;
}

From source file:org.niord.proxy.web.ETagServletFilter.java

/**
 * Inspired by javax.ws.rs.core.Request.evaluatePreconditions().
 * Evaluate request preconditions based on the passed in value.
 *
 * @param etag an ETag for the current state of the resource
 * @return if the preconditions are met.
 *///from  w  w w.  ja  v a2  s  . c  om
private boolean evaluatePreconditions(EntityTag etag, HttpServletRequest request,
        HttpServletResponse response) {
    if (etag == null) {
        return false;
    }

    response.setHeader(HEADER_ETAG, etag.toString());

    boolean match = Collections.list(request.getHeaders(HEADER_IF_NONE_MATCH)).stream().map(this::trimEtagValue) // Strip any "-gzip" suffix added by Apache modules
            .anyMatch(val -> val.equals(etag.toString()));

    if (match) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return true;
    }

    // No matching etag headers
    return false;
}

From source file:org.apache.openejb.cdi.OptimizedLoaderService.java

private boolean isFiltered(final Collection<Extension> extensions, final Extension next) {
    final ClassLoader containerLoader = ParentClassLoaderFinder.Helper.get();
    final Class<? extends Extension> extClass = next.getClass();
    if (extClass.getClassLoader() != containerLoader) {
        return false;
    }/*from w ww.  j  a va 2 s .c  o m*/

    final String name = extClass.getName();
    switch (name) {
    case "org.apache.bval.cdi.BValExtension":
        for (final Extension e : extensions) {
            final String en = e.getClass().getName();

            // org.hibernate.validator.internal.cdi.ValidationExtension but allowing few evolutions of packages
            if (en.startsWith("org.hibernate.validator.") && en.endsWith("ValidationExtension")) {
                log.info("Skipping BVal CDI integration cause hibernate was found in the application");
                return true;
            }
        }
        break;
    case "org.apache.batchee.container.cdi.BatchCDIInjectionExtension": // see org.apache.openejb.batchee.BatchEEServiceManager
        return "true".equals(SystemInstance.get().getProperty("tomee.batchee.cdi.use-extension", "false"));
    case "org.apache.commons.jcs.jcache.cdi.MakeJCacheCDIInterceptorFriendly":
        final String spi = "META-INF/services/javax.cache.spi.CachingProvider";
        try {
            final Enumeration<URL> appResources = Thread.currentThread().getContextClassLoader()
                    .getResources(spi);
            if (appResources != null && appResources.hasMoreElements()) {
                final Collection<URL> containerResources = Collections.list(containerLoader.getResources(spi));
                do {
                    if (!containerResources.contains(appResources.nextElement())) {
                        log.info(
                                "Skipping JCS CDI integration cause another provide was found in the application");
                        return true;
                    }
                } while (appResources.hasMoreElements());
            }
        } catch (final Exception e) {
            // no-op
        }
        break;
    default:
    }
    return false;
}

From source file:com.xtructure.xutil.AbstractRunTests.java

/**
 * Processes the given jar resource.//from   w ww  . ja  v  a  2s .  c om
 * 
 * @param packageName
 *            the name of the package currently being processed
 * 
 * @param resourceUrl
 *            the URL of the jar resource to process
 */
private final void processJarResource(final String packageName, final URL resourceUrl) {
    try {
        for (final JarEntry jarEntry : Collections
                .list(((JarURLConnection) resourceUrl.openConnection()).getJarFile().entries())) {
            final String className = stripSuffix(makeClassName(jarEntry.getName()));
            if (isTestClassName(packageName, className)) {
                addClass(className);
            }
        }
    } catch (IOException ioEx) {
        throw new RuntimeException("couldn't get entries from jar '" + resourceUrl + "': " + ioEx.getMessage(),
                ioEx);
    }
}

From source file:org.paxle.data.impl.Activator.java

/**
 * We may have multiple datalayer-fragment-bundles installed. We try to find all available
 * config files here//from  w  ww. java  2 s.  c  om
 */
@SuppressWarnings("unchecked")
private HashMap<String, URL> getAvailableConfigFiles(BundleContext context) {
    HashMap<String, URL> availableConfigs = new HashMap<String, URL>();

    this.logger.info("Trying to find db config files ...");
    Enumeration<URL> configFileEnum = context.getBundle().findEntries("/resources/hibernate/", "*.cfg.xml",
            true);
    if (configFileEnum != null) {
        ArrayList<URL> configFileURLs = Collections.list(configFileEnum);
        this.logger.info(String.format("%d config-file(s) found.", Integer.valueOf(configFileURLs.size())));

        for (URL configFileURL : configFileURLs) {
            String file = configFileURL.getFile();
            int idx = file.lastIndexOf("/");
            if (idx != -1)
                file = file.substring(idx + 1);
            idx = file.indexOf(".");
            if (idx != -1)
                file = file.substring(0, idx);

            availableConfigs.put(file, configFileURL);
        }
    }

    return availableConfigs;
}

From source file:org.openhab.binding.ekozefir.internal.EkozefirBinding.java

/**
 * @{inheritDoc}/*from www.  java2 s .co m*/
 */
@Override
public void updated(Dictionary<String, ?> config) throws ConfigurationException {
    Objects.requireNonNull(config);
    for (String configKey : Collections.list(config.keys())) {
        parseConfig(clearAndCheckConfig(configKey, (String) config.get(configKey)));
    }
    setProperlyConfigured(true);
}

From source file:org.ireland.jnetty.loader.WebAppClassLoader.java

private List<URL> toList(Enumeration<URL> e) {
    if (e == null)
        return new ArrayList<URL>();
    return Collections.list(e);
}

From source file:hudson.logging.LogRecorder.java

@Restricted(NoExternalUse.class)
public AutoCompletionCandidates doAutoCompleteLoggerName(@QueryParameter String value) {
    if (value == null) {
        return new AutoCompletionCandidates();
    }/*from www  .jav a2s.  c  o m*/

    // get names of all actual loggers known to Jenkins
    Set<String> candidateNames = new LinkedHashSet<>(
            getAutoCompletionCandidates(Collections.list(LogManager.getLogManager().getLoggerNames())));

    for (String part : value.split("[ ]+")) {
        HashSet<String> partCandidates = new HashSet<>();
        String lowercaseValue = part.toLowerCase(Locale.ENGLISH);
        for (String loggerName : candidateNames) {
            if (loggerName.toLowerCase(Locale.ENGLISH).contains(lowercaseValue)) {
                partCandidates.add(loggerName);
            }
        }
        candidateNames.retainAll(partCandidates);
    }
    AutoCompletionCandidates candidates = new AutoCompletionCandidates();
    candidates.add(candidateNames.toArray(MemoryReductionUtil.EMPTY_STRING_ARRAY));
    return candidates;
}

From source file:edu.ksu.cis.indus.tools.slicer.criteria.specification.SliceCriterionSpec.java

/**
 * Retrieves the criteria represented by this spec relative to the given scene.
 *
 * @param scene relative to which the criteria will be generated.
 *
 * @return the collection of slice criterion.
 *
 * @throws MissingResourceException when the any of the types used in the criterion specification cannot be found.
 * @throws IllegalStateException when the method in the spec does not have a body or the specified statment/expr does not
 *          exists.//  ww  w .  j a va  2s. c  om
 */
public Collection<ISliceCriterion> getCriteria(final Scene scene) {
    trim();

    final SootClass _sc = scene.getSootClass(className);

    if (_sc == null) {
        final String _msg = className + " is not available in the System.";
        LOGGER.error(_msg);
        throw new MissingResourceException("Given class not available in the System.", className, null);
    }

    final List<Type> _parameterTypes = new ArrayList<Type>();

    for (final Iterator<String> _i = parameterTypeNames.iterator(); _i.hasNext();) {
        final String _name = _i.next();
        _parameterTypes.add(Util.getTypeFor(_name, scene));
    }

    final SootMethod _sm = _sc.getMethod(methodName, _parameterTypes, Util.getTypeFor(returnTypeName, scene));
    _sc.setApplicationClass();

    final Body _body = _sm.retrieveActiveBody();

    if (_body == null) {
        final String _msg = returnTypeName + " " + methodName + "(" + parameterTypeNames
                + ") does not have a body.";
        LOGGER.error(_msg);
        throw new IllegalStateException(_msg);
    }

    final List<Stmt> _stmts = Collections.list(Collections.<Stmt>enumeration(_body.getUnits()));

    if (_stmts.size() < stmtIndex + 1) {
        final String _msg = returnTypeName + " " + methodName + "(" + parameterTypeNames + ") has only "
                + _stmts.size() + " statements. [" + stmtIndex + "]";
        LOGGER.error(_msg);
        throw new IllegalStateException(_msg);
    }

    final Collection<ISliceCriterion> _result;

    if (stmtIndex == -1) {
        _result = CRITERIA_FACTORY.getCriteria(_sm);
    } else {
        final Stmt _stmt = _stmts.get(stmtIndex);

        if (exprIndex == -1) {
            _result = CRITERIA_FACTORY.getCriteria(_sm, _stmt, considerEntireStmt, considerExecution);
        } else {
            _result = CRITERIA_FACTORY.getCriteria(_sm, _stmt,
                    (ValueBox) _stmt.getUseAndDefBoxes().get(exprIndex), considerExecution);
        }
    }

    return _result;
}