Example usage for java.util Optional isPresent

Introduction

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

Prototype

public boolean isPresent() 

Source Link

Document

If a value is present, returns true , otherwise false .

Usage

From source file:ch.wisv.areafiftylan.security.TokenAuthenticationFilter.java

private AuthenticationToken extractOptional(Optional<AuthenticationToken> op, ServletResponse response)
        throws IOException {
    if (!op.isPresent()) {
        ((HttpServletResponse) response).sendError(HttpServletResponse.SC_UNAUTHORIZED, "Token not found");
        return null;
    } else {//from ww w. j a v  a 2  s .c om
        return op.get();
    }
}

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From source file:org.apache.ambari.view.web.controller.PackageController.java

@GetMapping("/versions/{versionId}")
public PackageWrapper.FindOneVersionResponse getPackageVersion(@PathVariable("versionId") Long versionId) {
    Optional<PackageVersion> versionOptional = service.getVersion(versionId);
    if (!versionOptional.isPresent()) {
        log.error("Package version id: {} not found", versionId);
        throw new RuntimeException("Package Version not found");
    }//from  w ww . j  ava  2s . c om
    return new PackageWrapper.FindOneVersionResponse(versionOptional.get());
}

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From source file:com.arpnetworking.configuration.jackson.JsonNodeUriSourceTest.java

@Test
public void test() throws MalformedURLException {
    final WireMockServer server = new WireMockServer(0);
    server.start();// w ww  .j  a  v  a2  s . c o m
    final WireMock wireMock = new WireMock(server.port());

    wireMock.register(WireMock.get(WireMock.urlEqualTo("/configuration"))
            .willReturn(WireMock.aResponse().withStatus(200)
                    .withHeader("Content-Type", "application/json; charset=utf-8")
                    .withBody("{\"values\":[\"foo\",\"bar\"]}")));

    final JsonNodeUriSource jsonNodeUriSource = new JsonNodeUriSource.Builder()
            .setUri(URI.create("http://localhost:" + server.port() + "/configuration")).build();

    final Optional<JsonNode> jsonNode = jsonNodeUriSource.getJsonNode();
    Assert.assertTrue(jsonNode.isPresent());
    Assert.assertTrue(jsonNode.get().isObject());
    Assert.assertEquals(1, Iterators.size(((ObjectNode) jsonNode.get()).fieldNames()));

    final Optional<JsonNode> valuesJsonNode = jsonNodeUriSource.getValue("values");
    Assert.assertTrue(valuesJsonNode.isPresent());
    Assert.assertTrue(valuesJsonNode.get().isArray());
    Assert.assertEquals(2, ((ArrayNode) valuesJsonNode.get()).size());
    Assert.assertEquals("foo", ((ArrayNode) valuesJsonNode.get()).get(0).textValue());
    Assert.assertEquals("bar", ((ArrayNode) valuesJsonNode.get()).get(1).textValue());

    server.stop();
}

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From source file:com.ejisto.util.collector.MockedFieldCollector.java

@Override
public Function<Map<String, List<MockedField>>, FieldNode> finisher() {
    return map -> {
        FieldNode root = new FieldNode(null, null);
        map.entrySet().stream().filter(e -> !e.getValue().isEmpty()).flatMap(EXTRACT_ENTRY).forEach(entry -> {
            MockedField first = entry.getValue().get(0);
            Optional<FieldNode> parent = root.findDirectParent(first);
            if (!parent.isPresent()) {
                parent = root.findClosestParent(first);
            }/*from   w  ww  .j  ava 2 s  . c  o  m*/
            final FieldNode parentNode = parent.get();
            FieldNode container = parentNode.fillGap(first);
            entry.getValue().forEach(v -> container.addChild(new FieldNode(v)));
        });
        return root;
    };
}

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From source file:com.rockagen.gnext.test.BaseTest.java

protected void newAccount() throws RegisterException {
    accountServ.newAccount(uid, AccountType.INDIVIDUAL);

    Optional<Account> acc = accountServ.loadByUid(uid);
    if (acc.isPresent()) {
        account = acc.get();/*ww  w .  j a  v  a 2 s  .co  m*/
        accountId = account.getId();
    } else {
        fail("account not exist!");
    }
}

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From source file:tds.assessment.services.impl.AccommodationServiceImpl.java

@Override
@Cacheable(CacheType.LONG_TERM)/*  ww  w.j  a  v a2s .c  o m*/
public List<Accommodation> findAccommodationsByAssessmentKey(final String clientName,
        final String assessmentKey) {
    //Implements the replacement for CommonDLL.TestKeyAccommodations_FN
    Optional<Assessment> maybeAssessment = assessmentService.findAssessment(clientName, assessmentKey);
    if (!maybeAssessment.isPresent()) {
        throw new NotFoundException("Could not find assessment for %s", assessmentKey);
    }

    Assessment assessment = maybeAssessment.get();
    return accommodationsQueryRepository.findAssessmentAccommodationsByKey(assessment.getKey(),
            assessment.getLanguageCodes());
}

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From source file:com.hortonworks.registries.storage.impl.jdbc.provider.sql.query.AbstractStorableUpdateQuery.java

public AbstractStorableUpdateQuery(Storable storable) {
    super(storable);
    Map<String, Object> columnsToValues = storable.toMap();
    columns.forEach(col -> bindings.add(Pair.of(col, columnsToValues.get(col.getName()))));
    primaryKey.getFieldsToVal().forEach((f, o) -> {
        bindings.add(Pair.of(f, o));//from  ww  w  .  j av  a  2 s .c  o  m
        whereFields.add(f);
    });
    try {
        Optional<Pair<Field, Long>> versionFieldValue = StorageUtils.getVersionFieldValue(storable);
        if (versionFieldValue.isPresent()) {
            Pair<Field, Long> fv = versionFieldValue.get();
            Schema.Field versionField = Schema.Field.of(fv.getKey().getName(),
                    Schema.fromJavaType(fv.getValue().getClass()));
            whereFields.add(versionField);
            // update only if its the previous
            bindings.add(Pair.of(versionField, fv.getValue() - 1));
        }
    } catch (Exception ex) {
        LOG.error("Got exception", ex);
    }
}

---

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

@Mapping("/pwd/edit")
public String editPwd(WebAttributers was) {
    String oldPwd = was.get(StaticDict.PAGE_PARAM_USER_OLD_PWD);
    String newPwd = was.get(StaticDict.PAGE_PARAM_USER_NEW_PWD);
    String newPwdAgain = was.get(StaticDict.PAGE_PARAM_USER_NEW_PWD_AGAIN);

    try {/*from w w w . j  a v a  2 s.co m*/
        Checker.require(oldPwd).notEmpty("Old user password can not be empty.");
        Checker.require(newPwd).notEmpty("New user password can not be empty.");
        Checker.require(newPwdAgain).notEmpty("New user password again can not be empty.");
    } catch (Exception e) {
        was.addError(StaticDict.PAGE_ATTRIBUTE_ERROR_1, e.getMessage(), WebScope.REQUEST);
        return StaticUtils.errorPage(was, PageMap.build());
    }
    Optional<User> currentUser = getCurrentUser(was);
    if (!currentUser.isPresent()) {
        was.addError(StaticDict.PAGE_ATTRIBUTE_ERROR_1, "Session timeout, please login again.",
                WebScope.REQUEST);
        return StaticUtils.errorPage(was, PageMap.build());
    }
    User user = currentUser.get();
    if (!user.getPass().equals(DigestUtils.md5Hex(oldPwd))) {
        was.addError(StaticDict.PAGE_ATTRIBUTE_ERROR_1, "Invalid old password.", WebScope.REQUEST);
        return StaticUtils.errorPage(was, PageMap.build());
    }

    if (!newPwd.equals(newPwdAgain)) {
        was.addError(StaticDict.PAGE_ATTRIBUTE_ERROR_1, "The twice new password are not same, please check.",
                WebScope.REQUEST);
        return StaticUtils.errorPage(was, PageMap.build());
    }
    user.setPass(DigestUtils.md5Hex(newPwd));
    securityService.saveToDisk();
    return WebUtils.redirect("/security/logout");
}

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From source file:de.rnd7.urlcache.URLCacheLoader.java

@Override
public CachedElement load(final URLCacheKey key) throws Exception {
    final Optional<CachedElement> fromDisk = this.loadFromDisk(key);
    if (fromDisk.isPresent()) {
        return fromDisk.get();
    }//from w w w.j  av a 2  s .co m

    final CachedElement element = this.loadFromURL(key);
    this.saveToDisk(element, key);

    return element;
}

---

From source file:org.anhonesteffort.p25.ACAP25.java

private Optional<Double> findActiveControlChannel(Integer systemId, Integer systemWacn, Site site) {
    for (Double channelFreq : site.getControlChannels()) {
        P25ChannelSpec channelSpec = new P25ChannelSpec(channelFreq);
        P25Channel channel = new P25Channel(channelSpec);
        ControlChannelQualifier channelQualifier = new ControlChannelQualifier(controlChannelPool,
                samplesController, channel, systemId, systemWacn);

        try {//from  w ww .j  a va2 s  . co m

            Future<Optional<Double>> channelQualified = controlChannelPool.submit(channelQualifier);
            Optional<Double> controlFreq = channelQualified.get();

            if (controlFreq.isPresent()) {
                log.info(
                        "found active control channel at " + controlFreq.get() + " for site " + site.getName());
                return Optional.of(controlFreq.get());
            }

        } catch (InterruptedException | ExecutionException e) {
            log.error("error while identifying active control channels, exiting", e);
            java.lang.System.exit(1);
        }
    }

    return Optional.empty();
}

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