Example usage for com.google.common.base Optional get

List of usage examples for com.google.common.base Optional get

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Introduction

In this page you can find the example usage for com.google.common.base Optional get.

Prototype

public abstract T get();

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Document

Returns the contained instance, which must be present.

Usage

From source file:org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.OvsdbHelper.java

public static Node getNodeFromBridgeRef(OvsdbBridgeRef bridgeRef, DataBroker dataBroker) {
    InstanceIdentifier<Node> nodeIid = bridgeRef.getValue().firstIdentifierOf(Node.class);
    ReadTransaction transaction = dataBroker.newReadOnlyTransaction();
    Optional<?> node = readFromDs(LogicalDatastoreType.OPERATIONAL, nodeIid, transaction);
    if (node.isPresent()) {
        if (node.get() instanceof Node) {
            return (Node) node.get();
        }/*  ww w .  j  a  v  a 2 s  .c  o m*/
    }
    return null;
}

From source file:org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier.java

/**
 * Returns filename for this YANG module as specified in RFC 6020.
 *
 * Returns filename in format <code>moduleName ['@' revision] '.yang'</code>
 *
 * Where Where revision-date is in format YYYY-mm-dd.
 *
 * <p>/*w w  w. ja  v a2 s  .com*/
 * See http://tools.ietf.org/html/rfc6020#section-5.2
 *
 * @return Filename for this source identifier.
 */
public static String toYangFileName(final String moduleName, final Optional<String> revision) {
    StringBuilder filename = new StringBuilder(moduleName);
    if (revision.isPresent()) {
        filename.append('@');
        filename.append(revision.get());
    }
    filename.append(YangConstants.RFC6020_YANG_FILE_EXTENSION);
    return filename.toString();
}

From source file:org.blockartistry.mod.ThermalRecycling.support.recipe.AppendHelper.java

public static void append(final List<ItemStack> list, final String item, final int quantity) {

    assert list != null;
    assert item != null;
    assert quantity > 0;

    final Optional<ItemStack> stack = ItemStackHelper.getItemStack(item, quantity);
    if (stack.isPresent())
        list.add(stack.get());
}

From source file:com.eucalyptus.auth.policy.ern.Ern.java

public static Ern parse(String ern) throws JSONException {
    final Matcher matcher = ARN_PATTERN.matcher(ern);
    if (!matcher.matches()) {
        throw new JSONException("'" + ern + "' is not a valid ARN");
    }/*ww w .  j  a  v  a 2  s .c om*/
    if (matcher.group(ARN_PATTERNGROUP_IAM) != null) {
        final Optional<String> pathName = Optional.fromNullable(matcher.group(ARN_PATTERNGROUP_IAM_ID));
        final String path;
        final String name;
        int lastSlash = pathName.isPresent() ? pathName.get().lastIndexOf('/') : 0;
        if (lastSlash == 0) {
            path = "/";
            name = pathName.isPresent() ? pathName.get().substring(1) : "*";
        } else {
            path = pathName.get().substring(0, lastSlash);
            name = pathName.get().substring(lastSlash + 1);
        }
        final String accountId = matcher.group(ARN_PATTERNGROUP_IAM_NAMESPACE);
        final String type = Objects.firstNonNull(matcher.group(ARN_PATTERNGROUP_IAM_USERGROUP), "*");
        return new EuareResourceName(accountId, type, path, name);
    } else if (matcher.group(ARN_PATTERNGROUP_EC2) != null) {
        String type = matcher.group(ARN_PATTERNGROUP_EC2_TYPE).toLowerCase();
        if (!PolicySpec.EC2_RESOURCES.contains(type)) {
            throw new JSONException("EC2 type '" + type + "' is not supported");
        }
        String id = matcher.group(ARN_PATTERNGROUP_EC2_ID).toLowerCase();
        if (PolicySpec.EC2_RESOURCE_ADDRESS.equals(type)) {
            AddressUtil.validateAddressRange(id);
        }
        return new Ec2ResourceName(type, id);
    } else if (matcher.group(ARN_PATTERNGROUP_S3) != null) {
        String bucket = matcher.group(ARN_PATTERNGROUP_S3_BUCKET);
        String object = matcher.group(ARN_PATTERNGROUP_S3_OBJECT);
        return new S3ResourceName(bucket, object);
    } else {
        return new WildcardResourceName();
    }
}

From source file:org.opendaylight.yangtools.yang.data.api.schema.tree.StoreTreeNodes.java

public static <T extends StoreTreeNode<T>> T findNodeChecked(final T tree, final YangInstanceIdentifier path) {
    T current = tree;/* www.  j  a va  2  s  .  com*/

    int i = 1;
    for (PathArgument pathArg : path.getPathArguments()) {
        Optional<T> potential = current.getChild(pathArg);
        if (!potential.isPresent()) {
            throw new IllegalArgumentException(
                    String.format("Child %s is not present in tree.", path.getAncestor(i)));
        }
        current = potential.get();
        ++i;
    }
    return current;
}

From source file:com.groupon.utility.OvalBuilder.java

/**
 * Static factory initializes the specified builder with state from the
 * source instance./*from w  ww  .java  2s  .  co  m*/
 *
 * @param <T>    The type of object created by the builder.
 * @param <B>    The type of builder to return.
 * @param source The source of initial state.
 * @param target The target builder instance.
 * @return Target populated from source.
 */
public static <T, B extends Builder<? super T>> B clone(final T source, final B target) {
    for (final Method targetMethod : target.getClass().getMethods()) {
        if (isSetterMethod(targetMethod)) {
            final Optional<Method> getterMethod = getGetterForSetter(targetMethod, source.getClass());
            if (getterMethod.isPresent()) {
                try {
                    if (!getterMethod.get().isAccessible()) {
                        AccessController.doPrivileged((PrivilegedAction<Object>) () -> {
                            getterMethod.get().setAccessible(true);
                            return null;
                        });
                    }
                    Object value = getterMethod.get().invoke(source);
                    if (value instanceof Optional) {
                        value = ((Optional) value).orNull();
                    }
                    targetMethod.invoke(target, value);
                } catch (final IllegalAccessException | InvocationTargetException e) {
                    throw Throwables.propagate(e);
                }
            }
        }
    }
    return target;
}

From source file:com.arpnetworking.utility.OvalBuilder.java

/**
 * Static factory initializes the specified builder with state from the
 * source instance./*  w w  w.j a va  2 s.  c o  m*/
 *
 * @param <T> The type of object created by the builder.
 * @param <B> The type of builder to return.
 * @param source The source of initial state.
 * @param target The target builder instance.
 * @return Target populated from source.
 */
public static <T, B extends Builder<? super T>> B clone(final T source, final B target) {
    for (final Method targetMethod : target.getClass().getMethods()) {
        if (isSetterMethod(targetMethod)) {
            final Optional<Method> getterMethod = getGetterForSetter(targetMethod, source.getClass());
            if (getterMethod.isPresent()) {
                try {
                    if (!getterMethod.get().isAccessible()) {
                        getterMethod.get().setAccessible(true);
                    }
                    Object value = getterMethod.get().invoke(source);
                    if (value instanceof Optional) {
                        value = ((Optional) value).orNull();
                    }
                    targetMethod.invoke(target, value);
                } catch (final IllegalAccessException | InvocationTargetException e) {
                    Throwables.propagate(e);
                }
            }
        }
    }
    return target;
}

From source file:org.anhonesteffort.flock.sync.AbstractDavSyncAdapter.java

public static void showSubscriptionExpiredNotification(Context context) {
    Log.d(TAG, "showSubscriptionExpiredNotification()");

    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(context);

    notificationBuilder.setContentTitle(context.getString(R.string.notification_flock_subscription_expired));
    notificationBuilder.setContentText(context.getString(R.string.notification_tap_to_update_subscription));
    notificationBuilder.setSmallIcon(R.drawable.alert_warning_light);
    notificationBuilder.setAutoCancel(true);

    Intent clickIntent = new Intent(context, ManageSubscriptionActivity.class);
    Optional<DavAccount> account = DavAccountHelper.getAccount(context);

    clickIntent.putExtra(ManageSubscriptionActivity.KEY_DAV_ACCOUNT_BUNDLE, account.get().toBundle());

    PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, clickIntent,
            PendingIntent.FLAG_UPDATE_CURRENT);
    notificationBuilder.setContentIntent(pendingIntent);

    NotificationManager notificationManager = (NotificationManager) context
            .getSystemService(Context.NOTIFICATION_SERVICE);
    notificationManager.notify(ID_NOTIFICATION_SUBSCRIPTION, notificationBuilder.build());
}

From source file:org.opendaylight.protocol.bgp.parser.spi.PathIdUtil.java

/**
 * Build Route Key for supporting mp//from   w w  w  . j  a v  a 2  s .  c  o  m
 * Key is composed by 2 elements (route-key + path Id)
 *
 * @param routeQname route Qname
 * @param routeKeyQname route key Qname
 * @param pathIdQname path Id Qname
 * @param routeKeyValue route key value
 * @param maybePathIdLeaf path id container, it might me supported or not, in that case default 0 value will be assigned
 * @return Route Key Nid
 */
public static NodeIdentifierWithPredicates createNidKey(final QName routeQname, final QName routeKeyQname,
        final QName pathIdQname, final Object routeKeyValue,
        final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf) {
    // FIXME: a cache here would mean we instantiate the same identifier for each route making comparison quicker.
    final Object pathId = maybePathIdLeaf.isPresent() ? (maybePathIdLeaf.get()).getValue() : NON_PATH_ID;
    return createNodeIdentifierWithPredicates(routeQname, pathIdQname, pathId, routeKeyQname, routeKeyValue);
}

From source file:org.opendaylight.controller.cluster.datastore.IntegrationTestKit.java

public static ActorRef findLocalShard(ActorContext actorContext, String shardName) {
    ActorRef shard = null;/*  w  w  w  .  ja  v a  2s . c om*/
    for (int i = 0; i < 20 * 5 && shard == null; i++) {
        Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
        Optional<ActorRef> shardReply = actorContext.findLocalShard(shardName);
        if (shardReply.isPresent()) {
            shard = shardReply.get();
        }
    }
    return shard;
}