Example usage for java.util Optional get

Introduction

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

Prototype

public T get()

Source Link

Document

If a value is present, returns the value, otherwise throws NoSuchElementException .

Usage

From source file:com.teradata.tempto.internal.configuration.ConfigurationVariableResolver.java

private Pair<String, Object> resolveConfigurationEntry(Configuration configuration, String prefix,
        StrSubstitutor strSubstitutor) {
    Optional<Object> optionalValue = configuration.get(prefix);
    if (optionalValue.isPresent()) {
        Object value = optionalValue.get();
        if (value instanceof String) {
            return Pair.of(prefix, strSubstitutor.replace(value));
        } else {/*from   w w w . jav a  2  s. c  o m*/
            return Pair.of(prefix, value);
        }
    } else {
        return Pair.of(prefix, resolveVariables(configuration.getSubconfiguration(prefix), strSubstitutor));
    }
}

From source file:ddf.security.impl.SubjectIdentityImpl.java

/**
 * Get a subject's unique identifier. 1. If the configured unique identifier if present 2. Email
 * address if present 3. Username not, user name is returned.
 *
 * @param subject//from  ww w  .  j av a 2  s  .com
 * @return subject unique identifier
 */
@Override
public String getUniqueIdentifier(Subject subject) {
    Optional<String> owner = getSubjectAttribute(subject).stream().findFirst();
    if (owner.isPresent()) {
        return owner.get();
    }

    String identifier = SubjectUtils.getEmailAddress(subject);
    if (StringUtils.isNotBlank(identifier)) {
        return identifier;
    }

    return SubjectUtils.getName(subject);
}

From source file:bg.vitkinov.edu.services.JokeCategoryService.java

@RequestMapping(value = "/search/{name}", method = RequestMethod.GET)
public ResponseEntity<?> getCategoryByName(@PathVariable String name) {
    Optional<Category> category = repository.findByName(name);
    return category.isPresent() ? new ResponseEntity<>(category.get(), HttpStatus.OK)
            : new ResponseEntity<>(HttpStatus.NOT_FOUND);
}

From source file:it.polimi.diceH2020.launcher.service.Validator.java

public boolean validatePrivateCloudParameters(Path pathToFile) {
    Optional<PrivateCloudParameters> sol = objectFromPath(pathToFile, PrivateCloudParameters.class);
    return (sol.isPresent() && sol.get().validate());
}

From source file:io.dfox.junit.example.NoteRepositoryTest.java

@Test
public void testSaveFind() throws IOException {

    final String name = "test-note";
    final String contents = "This is my note";

    assertFalse(repository.getNote(name).isPresent());

    try (InputStream contentsStream = IOUtils.toInputStream(contents)) {
        repository.saveNote(name, contentsStream);
    }//from  w  w w .j a  v  a2s .  c  o  m

    Optional<InputStream> note = repository.getNote(name);
    assertTrue(note.isPresent());
    try (InputStream stream = note.get()) {
        String savedContents = IOUtils.toString(stream);
        Assert.assertEquals(contents, savedContents);
    }
}

From source file:org.springsource.restbucks.payment.CreditCardRepositoryIntegrationTest.java

@Test
public void createsCreditCard() {

    CreditCard creditCard = repository.save(createCreditCard());

    Optional<CreditCard> result = repository.findByNumber(creditCard.getNumber());

    assertThat(result.isPresent(), is(true));
    assertThat(result.get(), is(creditCard));
}

From source file:keywhiz.auth.cookie.CookieAuthenticator.java

@Override
public Optional<User> authenticate(Cookie cookie) {
    User user = null;//w  ww  . java2 s. c  o m

    if (cookie != null) {
        Optional<UserCookieData> cookieData = getUserCookieData(cookie);
        if (cookieData.isPresent()) {
            user = cookieData.get().getUser();
        }
    }

    return Optional.ofNullable(user);
}

From source file:it.polimi.diceH2020.launcher.service.Validator.java

public boolean validatePublicCloudParameters(Path pathToFile) {
    Optional<PublicCloudParametersMap> sol = objectFromPath(pathToFile, PublicCloudParametersMap.class);
    return (sol.isPresent() && sol.get().validate());
}

From source file:mc.feature.ast.ASTTest.java

@Test
public void testFileNameInSourcePosition() {
    String grammarToTest = "src/test/resources/mc/grammar/SimpleGrammarWithConcept.mc4";

    Path model = Paths.get(new File(grammarToTest).getAbsolutePath());

    MontiCoreScript mc = new MontiCoreScript();
    Optional<ASTMCGrammar> ast = mc.parseGrammar(model);
    assertTrue(ast.isPresent());//from w ww  . ja  va 2s.co  m
    ASTMCGrammar clonedAst = ast.get().deepClone();
    assertTrue(clonedAst.get_SourcePositionStart().getFileName().isPresent());
    assertEquals("SimpleGrammarWithConcept.mc4",
            FilenameUtils.getName(clonedAst.get_SourcePositionStart().getFileName().get()));
}

From source file:org.openwms.tms.redirection.TargetRedirector.java

/**
 * The implementation has to vote for a certain vote on particular rules that are implemented by the voter.
 *
 * @param vote The vote to vote for//from ww w . j  ava2  s  . c om
 * @throws DeniedException is thrown when the voter cannot vote for the action
 */
@Override
public void voteFor(RedirectVote vote) throws DeniedException {
    Optional<T> optionalTarget = resolveTarget(vote);
    if (optionalTarget.isPresent()) {
        if (isTargetAvailable(optionalTarget.get())) {
            assignTarget(vote);
            vote.complete();
        } else {
            String msg = translator.translate(TMSMessageCodes.TARGET_BLOCKED_MSG, vote.getTarget(),
                    vote.getTransportOrder().getPersistentKey());
            vote.addMessage(new Message.Builder().withMessage(msg)
                    .withMessageNo(TMSMessageCodes.TARGET_BLOCKED_MSG).build());
            LOGGER.debug(msg);
        }
    }
}