Example usage for com.google.common.collect Iterables get

Introduction

In this page you can find the example usage for com.google.common.collect Iterables get.

Prototype

public static <T> T get(Iterable<T> iterable, int position)

Source Link

Document

Returns the element at the specified position in an iterable.

Usage

From source file:org.apache.brooklyn.core.location.Machines.java

public static Maybe<String> getSubnetIp(Location where) {
    // TODO Too much duplication between the ip and hostname methods
    String result = null;/*from w w w  .j ava2  s  . com*/
    if (where instanceof HasSubnetHostname) {
        result = ((HasSubnetHostname) where).getSubnetIp();
    }
    if (where instanceof HasNetworkAddresses) {
        Set<String> privateAddrs = ((HasNetworkAddresses) where).getPrivateAddresses();
        if (privateAddrs.size() > 0) {
            result = Iterables.get(privateAddrs, 0);
        }
    }
    if (result == null && where instanceof MachineLocation) {
        InetAddress addr = ((MachineLocation) where).getAddress();
        if (addr != null)
            result = addr.getHostAddress();
    }
    log.debug("computed subnet host ip {} for {}", result, where);
    return Maybe.fromNullable(result);
}

From source file:org.jclouds.aws.s3.functions.BindRegionToXmlPayload.java

@Override
public void bindToRequest(HttpRequest request, Object input) {
    input = input == null ? Iterables.get(defaultRegions, 0) : input;
    checkArgument(input instanceof String, "this binder is only valid for Region!");
    String constraint = (String) input;
    String value = null;//from  ww  w. j a v a 2  s.  c  o m
    if (Iterables.contains(defaultRegions, constraint)) {
        // nothing to bind as this is default.
        return;
    } else if (Iterables.contains(regions, constraint)) {
        value = constraint;
    } else {
        if (constraint.equals(Region.EU_WEST_1)) {
            value = "EU";
        } else {
            logger.warn("region %s not in %s ", constraint, regions);
            value = constraint;
        }
    }
    String payload = String.format(
            "<CreateBucketConfiguration><LocationConstraint>%s</LocationConstraint></CreateBucketConfiguration>",
            value);
    super.bindToRequest(request, payload);
    request.getPayload().getContentMetadata().setContentType(MediaType.TEXT_XML);
}

From source file:org.jclouds.rimuhosting.miro.functions.ParseRimuHostingException.java

@Override
public Object apply(Exception e) {
    if (e instanceof HttpResponseException) {
        HttpResponseException responseException = (HttpResponseException) e;
        if (responseException.getContent() != null) {
            Type setType = new TypeToken<Map<String, RimuHostingResponse>>() {
            }.getType();//  w  w  w.  ja  v  a 2s .c o m
            String test = responseException.getContent();
            Map<String, RimuHostingResponse> responseMap = json.fromJson(test, setType);
            RimuHostingResponse firstResponse = Iterables.get(responseMap.values(), 0);
            String errorClass = firstResponse.getErrorInfo().getErrorClass();
            if (errorClass.equals("PermissionException"))
                throw new AuthorizationException(firstResponse.getErrorInfo().getErrorMessage(),
                        responseException);
            throw new RuntimeException(firstResponse.getErrorInfo().getErrorMessage(), e);
        }
    }
    return propagateOrNull(e);
}

From source file:edu.harvard.med.iccbl.screensaver.policy.DataSharingLevelMapper.java

public static ScreensaverUserRole getUserDslRoleForScreenTypeAndLevel(ScreenType screenType, int level) {
    SortedSet<ScreensaverUserRole> roles = UserDslRoles.get(screenType);
    ScreensaverUserRole role = Iterables.get(roles, roles.size() - level);
    assert (role.getRoleName().contains(Integer.toString(level)));
    return role;//  ww w  . j a  v  a2 s  .co  m
}

From source file:org.icgc.dcc.release.job.summarize.function.CreateFeatureTypeSummary.java

private static String resolveTypeName(String key) {
    val parts = Splitters.HASHTAG.split(key);

    return Iterables.get(parts, 1);
}

From source file:org.graylog.plugins.pipelineprocessor.ast.expressions.IndexedAccessExpression.java

@Override
public Object evaluateUnsafe(EvaluationContext context) {
    final Object idxObj = this.index.evaluateUnsafe(context);
    final Object indexable = indexableObject.evaluateUnsafe(context);
    if (idxObj == null || indexable == null) {
        return null;
    }/*from   ww  w  .j av a2s.co m*/

    if (idxObj instanceof Long) {
        int idx = Ints.saturatedCast((long) idxObj);
        if (indexable.getClass().isArray()) {
            return Array.get(indexable, idx);
        } else if (indexable instanceof List) {
            return ((List) indexable).get(idx);
        } else if (indexable instanceof Iterable) {
            return Iterables.get((Iterable) indexable, idx);
        }
        throw new IllegalArgumentException("Object '" + indexable + "' is not an Array, List or Iterable.");
    } else if (idxObj instanceof String) {
        final String idx = idxObj.toString();
        if (indexable instanceof Map) {
            return ((Map) indexable).get(idx);
        }
        throw new IllegalArgumentException("Object '" + indexable + "' is not a Map.");
    }
    throw new IllegalArgumentException("Index '" + idxObj + "' is not a Long or String.");
}

From source file:org.jclouds.trmk.vcloud_0_8.functions.OrgNameCatalogNameItemNameToEndpoint.java

@SuppressWarnings("unchecked")
public URI apply(Object from) {
    Iterable<Object> orgCatalog = (Iterable<Object>) checkNotNull(from, "args");
    Object org = Iterables.get(orgCatalog, 0);
    Object catalog = Iterables.get(orgCatalog, 1);
    Object catalogItem = Iterables.get(orgCatalog, 2);
    if (org == null)
        org = defaultOrg.get().getName();
    if (catalog == null)
        catalog = defaultCatalog.get().getName();
    try {/*from   w w w . j  av  a 2 s. c o  m*/
        Map<String, ? extends org.jclouds.trmk.vcloud_0_8.domain.Catalog> catalogs = checkNotNull(
                orgCatalogMap.get().get(org));
        return catalogs.get(catalog).get(catalogItem).getHref();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(
                org + "/" + catalog + "/" + catalogItem + " not found in " + orgCatalogMap.get());
    }
}

From source file:org.jclouds.vcloud.director.v1_5.functions.OrgNameAndCatalogNameToEndpoint.java

@SuppressWarnings("unchecked")
public URI apply(Object from) {
    Iterable<Object> orgCatalog = (Iterable<Object>) checkNotNull(from, "args");
    Object org = Iterables.get(orgCatalog, 0);
    Object catalog = Iterables.get(orgCatalog, 1);
    if (org == null && catalog == null)
        return defaultCatalog.get().getHref();
    else if (org == null)
        org = defaultOrg.get().getName();

    try {/*w w w.  j  a  v a2s .  com*/
        Set<Reference> catalogs = checkNotNull(orgMap.get().get(org)).getCatalogs();
        return catalog == null ? Iterables.getLast(catalogs).getHref()
                : Iterables.find(catalogs, nameEquals((String) catalog)).getHref();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + catalog + " not found in " + orgMap.get());
    }
}

From source file:org.nuxeo.ecm.core.query.sql.model.SelectClause.java

public Operand get(int i) {
    return Iterables.get(elements.values(), i);
}

From source file:org.richfaces.request.UploadedFile25.java

public String getHeader(String headerName) {
    String lcHeaderName = headerName.toLowerCase(Locale.US);
    Collection<String> headers = headersMap.get(lcHeaderName);

    if (headers.isEmpty()) {
        return null;
    }// w w w. j  a  v  a 2s .co  m

    return Iterables.get(headers, 0);
}