Example usage for java.util Optional of

Introduction

In this page you can find the example usage for java.util Optional of.

Prototype

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

Source Link

Document

Returns an Optional describing the given non- null value.

Usage

From source file:com.uber.hoodie.common.HoodieJsonPayload.java

@Override
public Optional<IndexedRecord> getInsertValue(Schema schema) throws IOException {
    MercifulJsonConverter jsonConverter = new MercifulJsonConverter(schema);
    return Optional.of(jsonConverter.convert(getJsonData()));
}

From source file:org.openwms.tms.ChangeTUDocumentation.java

public @Test void testTUChange() throws Exception {
    // setup .../*  w  ww  .j  a  v  a 2  s. co  m*/
    CreateTransportOrderVO vo = createTO();
    postTOAndValidate(vo, NOTLOGGED);
    vo.setBarcode(KNOWN);
    given(commonGateway.getTransportUnit(KNOWN))
            .willReturn(Optional.of(new TransportUnit(KNOWN, INIT_LOC, ERR_LOC_STRING)));

    // test ...
    mockMvc.perform(patch(TMSConstants.ROOT_ENTITIES).contentType(MediaType.APPLICATION_JSON)
            .content(objectMapper.writeValueAsString(vo))).andExpect(status().isNoContent())
            .andDo(document("to-patch-tu-change"));
}

From source file:com.formkiq.core.form.calc.GraphCalculatorNode.java

/**
 * constructor./*w  w w  . ja  v a2 s .  c  o  m*/
 * @param nodename {@link String}
 * @param calc {@link Calculator}
 * @param formField {@link FormJSONField}
 */
public GraphCalculatorNode(final String nodename, final Calculator calc, final FormJSONField formField) {
    this(nodename);
    this.calculator = Optional.of(calc);
    this.field = formField != null ? Optional.of(formField) : Optional.empty();
}

From source file:ch.algotrader.service.NativeMarketDataServiceImpl.java

protected final Optional<String> esperUnsubscribe(Security security) {

    String tickerId = (String) this.serverEngine.executeSingelObjectQuery(
            "select tickerId from TickWindow where securityId = " + security.getId(), "tickerId");
    if (tickerId != null) {
        this.serverEngine.executeQuery("delete from TickWindow where securityId = " + security.getId());
        return Optional.of(tickerId);
    } else {/*from  w w w  .j av  a  2  s. co m*/
        return Optional.empty();
    }

}

From source file:org.trustedanalytics.cloud.cc.api.manageusers.CcOrgUser.java

@JsonIgnore
public String getUsername() {
    Optional<CcOrgUser> user = Optional.of(this);
    return user.map(CcOrgUser::getEntity).map(CcOrgUserEntity::getUsername).orElse(null);
}

From source file:ru.mera.samples.infrastructure.aop.BeforeAfterLogAdvice.java

@AfterReturning("inImageRepositoryEndpoint()")
public void afterReturning(JoinPoint joinPoint) {
    final String[] principals = new String[1];
    Optional.of(SecurityContextHolder.getContext())
            .ifPresent(securityContext -> Optional.of(securityContext.getAuthentication())
                    .ifPresent(authentication -> Optional.of(authentication.getPrincipal())
                            .ifPresent(o -> principals[0] = o.toString())));
    logger.info("After method: " + joinPoint.getSignature().getName() + " by user " + principals);
}

From source file:jp.toastkid.script.runner.GroovyRunner.java

@Override
public Optional<String> run(final String script) {
    if (StringUtils.isEmpty(script)) {
        return Optional.empty();
    }//from w  ww  . j  av  a2  s  .c  o  m
    if (engine == null) {
        System.out.println("groovy null");
    }

    final StringBuilder result = new StringBuilder();

    try (final StringWriter writer = new StringWriter();) {
        if (engine != null) {
            final ScriptContext context = engine.getContext();
            context.setWriter(new PrintWriter(writer));
            context.setErrorWriter(new PrintWriter(writer));
        }
        final java.lang.Object run = engine.eval(script);
        result.append(writer.toString()).append(LINE_SEPARATOR);
        if (run != null) {
            result.append("return = ").append(run.toString());
        }
        writer.close();
    } catch (final CompilationFailedException | IOException | javax.script.ScriptException e) {
        e.printStackTrace();
        result.append("Occurred Exception.").append(LINE_SEPARATOR).append(e.getMessage());
    }
    return Optional.of(result.toString());
}

From source file:com.orange.ngsi2.model.ErrorTest.java

@Test
public void checkToString() {
    Error parseError = new Error("400", Optional.of("The incoming JSON payload cannot be parsed"),
            Optional.empty());//from  w  w  w  .  j  av  a2s. co  m
    assertEquals("error: 400 | description: The incoming JSON payload cannot be parsed | affectedItems: []",
            parseError.toString());
    parseError.setAffectedItems(Optional.of(Collections.singleton("entities")));
    assertEquals(
            "error: 400 | description: The incoming JSON payload cannot be parsed | affectedItems: [entities]",
            parseError.toString());
}

From source file:br.com.blackhubos.eventozero.updater.assets.uploader.Uploader.java

@SuppressWarnings("unchecked")
public static Optional<Uploader> parseJsonObject(JSONObject parse, MultiTypeFormatter formatter) {

    long id = Long.MIN_VALUE;
    String name = null;/*from  ww w . ja  v a  2 s .co m*/
    boolean admin = false;
    // Loop em todas entradas do JSON
    for (Map.Entry entries : (Set<Map.Entry>) parse.entrySet()) {

        Object key = entries.getKey();
        Object value = entries.getValue();
        String valueString = String.valueOf(value);
        /** Transforma o objeto em um {@link AssetUploaderInput) para usar com switch **/
        switch (AssetUploaderInput.parseObject(key)) {
        case ADMIN: {
            // Obtem o valor que indica se quem enviou era administrador
            if (formatter.canFormat(Boolean.class)) {
                Optional<Boolean> result = formatter.format(value, Boolean.class);
                if (result.isPresent())
                    admin = result.get();
            }
            break;
        }
        case ID: {
            // Obtm o ID do usurio
            id = Long.parseLong(valueString);
            break;
        }
        case LOGIN: {
            // Obtm o nome/login do usurio
            name = valueString;
            break;
        }

        default: {
            break;
        }
        }
    }
    if (id == Long.MIN_VALUE || name == null) {
        return Optional.empty();
    }
    return Optional.of(new Uploader(name, admin, id));
}

From source file:com.openthinks.webscheduler.controller.ProfileController.java

private Optional<User> getCurrentUser(WebAttributers was) {
    User currentUser = was.getSession(StaticDict.SESSION_ATTR_LOGIN_INFO);
    if (currentUser != null) {
        currentUser = securityService.getUsers().findById(currentUser.getId());
        return Optional.of(currentUser);
    }/* ww  w.  j ava2  s .  co m*/
    return Optional.empty();
}