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:com.google.errorprone.bugpatterns.CheckReturnValue.java

private static Optional<Boolean> shouldCheckReturnValue(Symbol sym, VisitorState state) {
    if (hasAnnotation(sym, CanIgnoreReturnValue.class, state)) {
        return Optional.of(false);
    }// w  w w . j  a v  a2 s .  co  m
    if (hasDirectAnnotationWithSimpleName(sym, CHECK_RETURN_VALUE)) {
        return Optional.of(true);
    }
    return Optional.absent();
}

From source file:edu.buaa.satla.analysis.cfa.model.AStatementEdge.java

@Override
public Optional<? extends IAStatement> getRawAST() {
    return Optional.of(statement);
}

From source file:net.revelc.code.blazon.types.numeric.IntegerRangeType.java

@Override
protected Optional<Integer> checkPostconditions(final Integer value) {
    if (!range.contains(value)) {
        throw new IllegalArgumentException(value + " is not in the range " + range.toString());
    }/*w w w .j a  v  a2s .  c o m*/
    return Optional.of(value);
}

From source file:org.sosy_lab.cpachecker.cfa.model.c.CDeclarationEdge.java

@Override
public Optional<CDeclaration> getRawAST() {
    return Optional.of((CDeclaration) declaration);
}

From source file:controllers.ApiController.java

public Result getCatchAllOther(Context ctx) {
    Result result = Results.json();
    Optional<Result> optResult = Optional.of(result);

    return result.render(new Error(msg.get("error.catchAll", ctx, optResult).get()));

}

From source file:com.github.javarch.jsf.mbeans.AbstractUpdateManagedBean.java

/**
 * Carrega o uma entidade "Entidade" baseada id. Utilizado inicialmente no <f:event> aps 
 * capturar o id no f:viewParam//from  w  ww .j av  a 2 s  . co m
 * @return
 */
@SuppressWarnings("all")
public String loadAfterSetViewParamId() {
    LOG.debug("calling loadAfterSetViewParamId on object {}", entity);
    if (!entity.isNew()) {

        T entityLoaded = (T) repository.findOne(getGenericType(), entity.getId());

        if (!Optional.of(entityLoaded).isPresent()) {
            LOG.debug("Entity with {} not found in database. Invoking handleEntityNotFound()", entity);
            handleEntityNotFound();
        }

        LOG.debug("Entity {} found. Validating entity with isValidUseEntity()", entityLoaded);

        if (!isValidUseEntity(entityLoaded)) {
            handleInvalidEntity(entityLoaded);
        }

        setEntity(entityLoaded);
    }

    return "";
}

From source file:org.sosy_lab.cpachecker.cfa.model.java.JDeclarationEdge.java

@Override
public Optional<JDeclaration> getRawAST() {
    return Optional.of((JDeclaration) declaration);
}

From source file:se.sics.ktoolbox.util.proxy.SystemHookSetup.java

public synchronized <HR extends Hook.Required> Optional<String> missingHook(HR[] requiredHooks) {
    for (HR requiredHook : requiredHooks) {
        if (!hooks.containsKey(requiredHook.toString())) {
            return Optional.of(requiredHook.toString());
        }/*  w w  w  .j av  a  2 s.co  m*/
    }
    return Optional.absent();
}

From source file:com.forerunnergames.tools.common.Result.java

public static <V, R extends Result<V>> Optional<R> firstFailedFrom(final Iterable<R> results) {
    Arguments.checkIsNotNull(results, "results");
    Arguments.checkHasNoNullElements(results, "results");

    for (final R result : results) {
        if (result.failed())
            return Optional.of(result);
    }/*from   w  ww  . j  a v a  2s  . com*/

    return Optional.absent();
}

From source file:org.mayocat.addons.StringAddonTransformer.java

public Optional<AddonFieldValueWebObject> toWebView(EntityData<?> entityData, AddonFieldDefinition addonField,
        Object fieldValue) {//from   www  .  j a va2 s .c om
    if (isListWithKeyAndDisplayValues(addonField)) {
        List<Map<String, Object>> listValues = getListValues(addonField);
        Object displayValue = null;
        for (Map<String, Object> entry : listValues) {
            if (entry.containsKey("key") && fieldValue != null
                    && entry.get("key").equals(fieldValue.toString())) {
                displayValue = entry.get("name");
                break;
            }
        }
        return Optional.of(new AddonFieldValueWebObject(fieldValue,
                displayValue == null ? emptyToNull(fieldValue) : displayValue));
    } else {
        return Optional.of(new AddonFieldValueWebObject(emptyToNull(fieldValue), emptyToNull(fieldValue)));
    }
}