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

Introduction

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

Prototype

public static <T> Optional<T> of(T reference)

Source Link

Document

Returns an Optional instance containing the given non-null reference.

Usage

From source file:org.opendaylight.controller.netconf.api.NetconfMessage.java

public Optional<String> getAdditionalHeader() {
    return additionalHeader == null ? Optional.<String>absent() : Optional.of(additionalHeader);
}

From source file:cc.ilo.cc.ilo.pipeline.producer.InjectionProducer.java

public void inject(T t) {
    outQueue.add(Optional.of(t));
}

From source file:org.everit.json.schema.internal.EmailFormatValidator.java

@Override
public Optional<String> validate(final String subject) {
    if (EmailValidator.getInstance(false, true).isValid(subject)) {
        return Optional.absent();
    }//from w  w  w.ja v a 2 s . c  o  m
    return Optional.of(String.format("[%s] is not a valid email address", subject));
}

From source file:org.eclipse.mylyn.internal.wikitext.commonmark.inlines.StringCharactersSpan.java

@Override
public Optional<? extends Inline> createInline(Cursor cursor) {
    Matcher matcher = cursor.matcher(pattern);
    if (matcher.matches()) {
        String group = matcher.group(1);
        int length = cursor.getOffset(matcher.end(1)) - cursor.getOffset();
        return Optional.of(new Characters(cursor.getLineAtOffset(), cursor.getOffset(), length, group));
    }/*  www  .j a  v a  2  s  . c o m*/
    return Optional.absent();
}

From source file:com.android.camera.data.SessionItem.java

/**
 * Creates a new session from the given URI.
 * @param context valid android application context.
 * @param uri the URI of the session.//from  www.  j a v  a2  s  .  c o  m
 * @return If the session was found, a new SessionItem is returned.
 */
public static Optional<SessionItem> create(Context context, Uri uri) {
    if (!Storage.containsPlaceholderSize(uri)) {
        return Optional.absent();
    }
    Size dimension = getSessionSize(uri);
    if (dimension == null) {
        return Optional.absent();
    }
    return Optional.of(new SessionItem(context, uri, dimension));
}

From source file:com.github.rinde.rinsim.ui.renderers.RenderHelper.java

void adapt(GC g, ViewPort v) {
    gc = Optional.of(g);
    vp = Optional.of(v);
}

From source file:de.flapdoodle.java2pandoc.line.matcher.RegexLineMatcher.java

@Override
public Optional<LineMatch> match(String line) {
    Matcher matcher = _pattern.matcher(line);
    if (matcher.matches()) {
        return Optional.of(new LineMatch(matcher.end(1)));
    }/* w  ww.  j a v a  2 s.co m*/
    return Optional.absent();
}

From source file:org.everit.json.schema.internal.URIFormatValidator.java

@Override
public Optional<String> validate(final String subject) {
    try {//from  w ww .j a  v  a  2  s  .  c  o  m
        new URI(subject);
        return Optional.absent();
    } catch (URISyntaxException | NullPointerException e) {
        return Optional.of(String.format("[%s] is not a valid URI", subject));
    }
}

From source file:org.opendaylight.controller.netconf.test.tool.ModuleBuilderCapability.java

public ModuleBuilderCapability(final ModuleBuilder input, final String inputStream) {
    this.input = input;
    this.content = Optional.of(inputStream);
}

From source file:org.opendaylight.yangtools.yang.data.impl.codec.StringStringCodec.java

StringStringCodec(final StringTypeDefinition typeDef) {
    super(Optional.of(typeDef), String.class);

    final Collection<LengthConstraint> constraints = typeDef.getLengthConstraints();
    if (!constraints.isEmpty()) {
        final RangeSet<Integer> tmp = TreeRangeSet.create();
        for (LengthConstraint c : constraints) {
            tmp.add(Range.closed(c.getMin().intValue(), c.getMax().intValue()));
        }// w  ww.  java 2 s  .c om

        lengths = ImmutableRangeSet.copyOf(tmp);
    } else {
        lengths = null;
    }
}