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

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

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Introduction

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

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

From source file:springfox.bean.validators.plugins.BeanValidators.java

public static <T extends Annotation> Optional<T> validatorFromBean(ModelPropertyContext context,
        Class<T> annotationType) {

    Optional<BeanPropertyDefinition> propertyDefinition = context.getBeanPropertyDefinition();
    Optional<T> notNull = Optional.absent();
    if (propertyDefinition.isPresent()) {
        notNull = annotationFrom(propertyDefinition.get().getGetter(), annotationType)
                .or(annotationFrom(propertyDefinition.get().getField(), annotationType));
    }//from   w w  w.ja v  a2  s.c o m
    return notNull;
}

From source file:com.facebook.buck.apple.FrameworkPath.java

public static FrameworkPath fromString(BuildTarget target, String string) {
    Path path = Paths.get(string);

    String firstElement = Preconditions.checkNotNull(Iterables.getFirst(path, Paths.get(""))).toString();

    if (firstElement.startsWith("$")) { // NOPMD - length() > 0 && charAt(0) == '$' is ridiculous
        Optional<PBXReference.SourceTree> sourceTree = PBXReference.SourceTree.fromBuildSetting(firstElement);
        if (sourceTree.isPresent()) {
            return ImmutableFrameworkPath.builder().setSourceTreePath(
                    new SourceTreePath(sourceTree.get(), path.subpath(1, path.getNameCount()))).build();
        } else {//from   w w w. j  a  va 2s .  c  o m
            throw new HumanReadableException(String.format(
                    "Unknown SourceTree: %s in target: %s. Should be one of: %s", firstElement, target,
                    Joiner.on(',')
                            .join(Iterables.transform(ImmutableList.copyOf(PBXReference.SourceTree.values()),
                                    new Function<PBXReference.SourceTree, String>() {
                                        @Override
                                        public String apply(PBXReference.SourceTree input) {
                                            return "$" + input.toString();
                                        }
                                    }))));
        }
    } else {
        return ImmutableFrameworkPath.builder()
                .setSourcePath(new BuildTargetSourcePath(target, Paths.get(string))).build();
    }
}

From source file:com.facebook.buck.apple.xcode.FrameworkPath.java

public static FrameworkPath fromString(BuildTarget target, String string) {
    Path path = Paths.get(string);

    String firstElement = Preconditions.checkNotNull(Iterables.getFirst(path, Paths.get(""))).toString();

    if (firstElement.startsWith("$")) { // NOPMD - length() > 0 && charAt(0) == '$' is ridiculous
        Optional<PBXReference.SourceTree> sourceTree = PBXReference.SourceTree.fromBuildSetting(firstElement);
        if (sourceTree.isPresent()) {
            return ImmutableFrameworkPath.builder()
                    .sourceTreePath(new SourceTreePath(sourceTree.get(), path.subpath(1, path.getNameCount())))
                    .build();/* www  . ja  va2 s . c  o  m*/
        } else {
            throw new HumanReadableException(String.format(
                    "Unknown SourceTree: %s in target: %s. Should be one of: %s", firstElement, target,
                    Joiner.on(',')
                            .join(Iterables.transform(ImmutableList.copyOf(PBXReference.SourceTree.values()),
                                    new Function<PBXReference.SourceTree, String>() {
                                        @Override
                                        public String apply(PBXReference.SourceTree input) {
                                            return "$" + input.toString();
                                        }
                                    }))));
        }
    } else {
        return ImmutableFrameworkPath.builder().sourcePath(new BuildTargetSourcePath(target, Paths.get(string)))
                .build();
    }
}

From source file:org.semanticweb.owlapi.util.OWLAPIPreconditions.java

/**
 * check for absent and throw IllegalArgumentException if null or absent
 * //from   w ww . j a v a  2  s .c  o  m
 * @param object
 *        reference to check
 * @param message
 *        message for the illegal argument exception
 * @param <T>
 *        reference type
 * @return the input reference if not null
 * @throws IllegalArgumentException
 *         if object is null
 */
@Nonnull
public static <T> T checkNotNull(Optional<T> object, @Nonnull String message) {
    if (object == null || !object.isPresent()) {
        throw new IllegalArgumentException(message);
    }
    return verifyNotNull(object.get());
}

From source file:com.complexible.common.base.Optionals.java

public static <T, E extends Exception> T require(final Optional<T> theOptional, final Class<E> theExceptionType,
        final String theMsg) throws E {
    if (theOptional.isPresent()) {
        return theOptional.get();
    }//from   ww w  . j  ava2 s  . co m

    try {
        throw theExceptionType.getConstructor(String.class).newInstance(theMsg);
    } catch (NoSuchMethodException e) {
        throw new RuntimeException("Invalid exception type provided");
    } catch (InvocationTargetException e) {
        throw new RuntimeException("Invalid exception type provided");
    } catch (InstantiationException e) {
        throw new RuntimeException("Invalid exception type provided");
    } catch (IllegalAccessException e) {
        throw new RuntimeException("Invalid exception type provided");
    }
}

From source file:io.crate.testing.SQLPrinter.java

public static String print(QuerySpec spec) {
    StringBuilder sb = new StringBuilder();

    sb.append("SELECT ");
    TESTING_SYMBOL_PRINTER.process(spec.outputs(), sb);

    if (spec.where().hasQuery()) {
        sb.append(" WHERE ");
        TESTING_SYMBOL_PRINTER.process(spec.where().query(), sb);
    }/*from w  w w  .  j  av a  2s .c om*/
    if (spec.groupBy().isPresent()) {
        sb.append(" GROUP BY ");
        TESTING_SYMBOL_PRINTER.process(spec.groupBy().get(), sb);
    }
    if (spec.having().isPresent()) {
        sb.append(" HAVING ");
        TESTING_SYMBOL_PRINTER.process(spec.having().get().query(), sb);
    }
    if (spec.orderBy().isPresent()) {
        sb.append(" ORDER BY ");
        TESTING_SYMBOL_PRINTER.process(spec.orderBy().get(), sb);
    }
    Optional<Symbol> limit = spec.limit();
    if (limit.isPresent()) {
        sb.append(" LIMIT ");
        sb.append(print(limit.get()));
    }
    Optional<Symbol> offset = spec.offset();
    if (offset.isPresent()) {
        sb.append(" OFFSET ");
        sb.append(print(offset.get()));
    }
    return sb.toString();
}

From source file:org.opendaylight.controller.md.sal.dom.store.impl.tree.TreeNodeUtils.java

public static <T extends StoreTreeNode<T>> T findNodeChecked(final T tree, final InstanceIdentifier path) {
    T current = tree;/*w  w w . java  2 s  .  c  o  m*/
    List<PathArgument> nested = new ArrayList<>(path.getPath().size());
    for (PathArgument pathArg : path.getPath()) {
        Optional<T> potential = current.getChild(pathArg);
        nested.add(pathArg);
        Preconditions.checkArgument(potential.isPresent(), "Child %s is not present in tree.", nested);
        current = potential.get();
    }
    return current;
}

From source file:org.sonar.server.computation.issue.commonrule.CommentDensityRule.java

private static CommonRuleIssue generateIssue(Optional<Measure> commentDensityMeasure,
        Optional<Measure> commentLinesMeasure, Optional<Measure> nclocMeasure, double minCommentDensity) {
    int commentLines = commentLinesMeasure.isPresent() ? commentLinesMeasure.get().getIntValue() : 0;
    int ncloc = nclocMeasure.get().getIntValue();
    int minExpectedCommentLines = (int) Math.ceil(minCommentDensity * ncloc / (100 - minCommentDensity));
    int missingCommentLines = minExpectedCommentLines - commentLines;
    if (missingCommentLines <= 0) {
        throw new IllegalStateException(format(
                "Bug in measures of comment lines - density=%s, comment_lines= %d, ncloc=%d, threshold=%s%%",
                commentDensityMeasure.get().getDoubleValue(), commentLines, nclocMeasure.get().getIntValue(),
                minCommentDensity));/* www.j a  va  2s  .c o m*/
    }

    // TODO declare min threshold as int but not float ?
    String message = format(
            "%d more comment lines need to be written to reach the minimum threshold of %s%% comment density.",
            missingCommentLines, minCommentDensity);
    return new CommonRuleIssue(missingCommentLines, message);
}

From source file:org.opendaylight.vpnservice.interfacemgr.globals.InterfaceServiceUtil.java

public static short getVlanId(String interfaceName, DataBroker broker) {
    InstanceIdentifier<Interface> id = InstanceIdentifier.builder(Interfaces.class)
            .child(Interface.class, new InterfaceKey(interfaceName)).build();
    Optional<Interface> ifInstance = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION, id, broker);
    if (ifInstance.isPresent()) {
        IfL2vlan vlanIface = ifInstance.get().getAugmentation(IfL2vlan.class);
        short vlanId = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue().shortValue();
        return vlanId;
    }//from  w  ww.  j  a  v a  2  s  . c o m
    return -1;
}

From source file:net.caseif.ttt.util.helper.gamemode.BanHelper.java

/**
 * Bans the player by the specified UUID from using TTT for a set amount of time.
 *
 * @param player  the UUID of the player to ban
 * @param minutes the length of time to ban the player for
 *///from   ww w .jav a2s  .c  om
public static void ban(UUID player, int minutes) throws InvalidConfigurationException, IOException {
    File f = new File(TTTCore.getPlugin().getDataFolder(), "bans.yml");
    YamlConfiguration y = new YamlConfiguration();
    Player p = Bukkit.getPlayer(player);
    y.load(f);
    long unbanTime = minutes < 0 ? -1 : System.currentTimeMillis() / 1000L + (minutes * 60);
    y.set(player.toString(), unbanTime);
    y.save(f);
    if (p != null) {
        Optional<Challenger> ch = TTTCore.mg.getChallenger(p.getUniqueId());
        if (ch.isPresent()) {
            ch.get().removeFromRound();
        }
    }
}