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:org.apache.ambari.view.web.controller.PackageController.java

@GetMapping("/{id}")
public PackageWrapper.FindOneResponse getOne(@PathVariable("id") Long packageId) {
    Optional<Package> packageOptional = service.getPackage(packageId);
    if (!packageOptional.isPresent()) {
        log.error("Package id: {} not found", packageId);
        throw new RuntimeException("Package not found");
    }/*from   ww  w  .  j a v  a2  s . c  o m*/
    return new PackageWrapper.FindOneResponse(packageOptional.get());
}

From source file:cloudfoundry.norouter.f5.dropsonde.LoggingPoolPopulator.java

private boolean containsSelf(Optional<Collection<PoolMember>> poolMembers, InetSocketAddress poolMember) {
    return poolMembers.isPresent() && poolMembers.get().stream()
            .filter(member -> member.getName().equalsIgnoreCase(poolMember.toString())).findFirst().isPresent();
}

From source file:com.todo.backend.security.UserDetailsServiceImpl.java

@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

    log.trace(".loadUserByUsername({})", username);

    final String lowercaseUsername = username.toLowerCase();
    final Optional<User> optionalUser = userRepository.findByUsername(lowercaseUsername);

    if (!optionalUser.isPresent()) {
        throw new UsernameNotFoundException("User " + username + " not found!");
    }//from  w w  w.  j a v a 2s  .c o  m

    final User user = optionalUser.get();
    final List<GrantedAuthority> grantedAuthorities = Collections
            .singletonList(new SimpleGrantedAuthority(user.getRole().name()));
    return new org.springframework.security.core.userdetails.User(lowercaseUsername, null, grantedAuthorities);
}

From source file:io.dfox.junit.http.example.NoteServlet.java

@Override
public void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws ServletException, IOException {

    addBasicHeaders(response);//from w  w w .  j  a va 2 s.co m

    String name = getNoteName(request);

    Optional<InputStream> note = repository.getNote(name);
    if (note.isPresent()) {
        try (InputStream noteStream = note.get()) {
            try (OutputStream outputStream = response.getOutputStream()) {
                IOUtils.copy(noteStream, outputStream);
            }
        }
    } else {
        response.setStatus(404);
    }
}

From source file:com.coinkite.CoinkiteSigningRequestInterceptor.java

protected String getApiSecret() {

    Optional<String> secret = ofNullable(System.getenv(Constants.X_CK_SIGN));

    if (!secret.isPresent()) {
        secret = ofNullable(System.getProperty(Constants.X_CK_SIGN));
    }/*from w w  w .j a  v a  2s. com*/

    return secret.orElseThrow(
            () -> new RuntimeException("Coinkite secret was not passed in as a jvm arg or set on env."));
}

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

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

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

@Mapping("/base/edit")
public String editBaseInfo(WebAttributers was) {
    String email = was.get(StaticDict.PAGE_PARAM_USER_EMAIL);
    try {/*from ww  w . ja  v a  2  s .  c o  m*/
        Checker.require(email).notEmpty("User email 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 (!email.equals(user.getEmail())) {
        User duplicateUser = securityService.getUsers().findByEmail(email);
        if (duplicateUser != null) {
            was.addError(StaticDict.PAGE_ATTRIBUTE_ERROR_1,
                    "Couldn't update profile, maybe this email has already been used.", WebScope.REQUEST);
            return StaticUtils.errorPage(was, PageMap.build());
        }
    }
    user.setEmail(email);
    securityService.saveToDisk();
    return WebUtils.redirect("/profile/index");
}

From source file:org.onebusaway.alexa.MainSpeechlet.java

public SpeechletResponse onLaunch(LaunchRequest request, Session session) throws SpeechletException {
    Optional<ObaUserDataItem> optUserData = obaDao.getUserData(session);
    if (optUserData.isPresent()) {
        try {//from  w  w w .j  a v  a  2 s.  c om
            return getAuthedSpeechlet(optUserData.get()).onLaunch(request, session);
        } catch (URISyntaxException e) {
            log.error("Launch exception: " + e.getMessage());
            log.error("Backtrace:\n" + e.getStackTrace());
            throw new SpeechletException("Error creating user data on Launch using ObaBaseUrl: " + e);
        }
    } else {
        return anonSpeechlet.onLaunch(request, session);
    }
}

From source file:com.galenframework.ide.controllers.DomSnapshotController.java

public void initRoutes() {
    post("/api/dom-snapshots", (req, res) -> {
        String url = req.params().get("url");
        String source = req.params().get("source");
        if (url == null || source == null) {
            DomSnapshotRequest snapshotRequest = mapper.readValue(req.body(), DomSnapshotRequest.class);
            url = snapshotRequest.getUrl();
            source = snapshotRequest.getSource();
        }/*  w w w.j  a va2s  .  c om*/
        return domSnapshotService.createSnapshot(source, url);
    });

    get("/api/dom-snapshots/:domId/snapshot.html", (req, res) -> {
        res.header("Content-Type", "text/html");
        String domId = req.params("domId");
        if (domId != null && !domId.trim().isEmpty()) {
            Optional<DomSnapshot> domSnapshot = domSnapshotService.getDomSnapshot(domId);
            if (domSnapshot.isPresent()) {
                return domSnapshot.get().getOriginSource();
            } else {
                return "Can't find DOM snapshot for key: " + domId;
            }
        } else
            throw new RuntimeException("Incorrect request, missing domId");
    });
}

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

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