Example usage for java.util.stream Collectors toMap

Introduction

In this page you can find the example usage for java.util.stream Collectors toMap.

Prototype

public static <T, K, U> Collector<T, ?, Map<K, U>> toMap(Function<? super T, ? extends K> keyMapper,
        Function<? super T, ? extends U> valueMapper)

Source Link

Document

Returns a Collector that accumulates elements into a Map whose keys and values are the result of applying the provided mapping functions to the input elements.

Usage

From source file:JacksonJacksumTest.java

@BeforeClass
public static void setUpClass() throws IOException {

    List<HashResultHolder> list = new ObjectMapper().readValue(
            JacksonJacksumTest.class.getResourceAsStream("/jacksum_image.json"),
            new TypeReference<List<HashResultHolder>>() {
            });//from   w  w w  .j a v  a 2  s.  c  o m

    IMAGE_FILE_RESULTS = list.stream()
            .collect(Collectors.toMap(HashResultHolder::getAlgorithm, Function.identity()));

    /*Map<String, String> map = JacksumAPI.getAvailableAlgorithms();
     map.keySet().stream()
     .forEach(cannonicalName -> System.out.println(cannonicalName.toUpperCase()+"(\""+map.get(cannonicalName)+"\",\""+cannonicalName+"\", \"alias\"),"));
     */
    /*JacksumAPI.getAvailableAlgorithms().keySet().stream()
     .forEach(name -> System.out.println("@Benchmark @BenchmarkMode(Mode.AverageTime) @OutputTimeUnit(TimeUnit.MILLISECONDS)  public String "+name+"FileAlt() {return this.getFileHashValue(this.getChecksum(\""+name+"\", true), FILE);}"));
     */
    //        IMAGE_FILE_RESULTS.keySet().stream().forEach(str -> System.out.println("@Test public void test_" + str + "(){this.individualTest(\"" + str + "\");}"));
    list = new ObjectMapper().readValue(JacksonJacksumTest.class.getResourceAsStream("/jacksum_text.json"),
            new TypeReference<List<HashResultHolder>>() {
            });

    TEXT_FILE_RESULTS = list.stream()
            .collect(Collectors.toMap(HashResultHolder::getAlgorithm, Function.identity()));

    list = new ObjectMapper().readValue(JacksonJacksumTest.class.getResourceAsStream("/jacksum_string.json"),
            new TypeReference<List<HashResultHolder>>() {
            });

    STRING_RESULTS = list.stream()
            .collect(Collectors.toMap(HashResultHolder::getAlgorithm, Function.identity()));

}

From source file:com.pscnlab.member.services.impl.RoleServiceImpl.java

@Override
public Map<Integer, Role> findMapByRoleIds(Set<Integer> roleIdsSet) {
    List<Role> roles = roleDao.findListByRoleIds(roleIdsSet);
    if (CollectionUtils.isEmpty(roles)) {
        return Collections.EMPTY_MAP;
    }/*from   w ww.j a  v a  2  s  . c  o  m*/
    return roles.stream().collect(Collectors.toMap(Role::getUuidRole, Function.identity()));
}

From source file:com.epam.ta.reportportal.info.InfoContributorComposite.java

@Override
public void contribute(Info.Builder builder) {
    builder.withDetail(EXTENSIONS_KEY,/*from w  ww  .  ja  v  a  2s. c o  m*/
            infoContributors.stream().map(ExtensionContributor::contribute)
                    .flatMap(map -> map.entrySet().stream())
                    .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)));
}

From source file:com.infinitechaos.vpcviewer.web.rest.dto.VpcDetailDTO.java

public VpcDetailDTO(final Vpc vpc, final List<Subnet> subnets, final List<RouteTable> routeTables) {
    super(vpc);/* w w w . j av  a  2  s.co m*/

    final Map<String, SubnetDetailDTO> subnetDetails = new HashMap<>();
    subnetDetails.putAll(subnets.stream().map(SubnetDetailDTO::new)
            .collect(Collectors.toMap(s -> s.getSubnetId(), identity())));

    LOG.trace("Details map: {}", subnetDetails);

    routeTables.stream().map(RouteTableDTO::new).forEach(rt -> rt.getAssociations().forEach(assoc -> {
        SubnetDetailDTO dto = subnetDetails.get(assoc.getSubnetId());

        if (dto == null) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("RT: {}, Assoc.SubnetID: {}, Assocs: {}", rt.getRouteTableId(), assoc.getSubnetId(),
                        rt.getAssociations());
            }

            return;
        }

        dto.setRouteTableId(rt.getRouteTableId());
        dto.getRoutes().addAll(rt.getRoutes());
    }));

    this.subnets.addAll(subnetDetails.values());
}

From source file:com.github.tmyroadctfig.icloud4j.ICloudException.java

/**
 * Creates a new exception wrapping the original cause.
 *
 * @param response the HTTP response.//  w  w w.ja va2  s.c o  m
 * @param errorMap the map of error values returned by iCloud.
 */
public ICloudException(HttpResponse response, Map<String, Object> errorMap) {
    this.errorMap = ImmutableMap.copyOf(errorMap);
    this.statusLine = response.getStatusLine();
    this.headers = Arrays.stream(response.getAllHeaders())
            .collect(Collectors.toMap(Header::getName, Header::getValue));
}

From source file:com.netflix.spinnaker.fiat.providers.DefaultApplicationProvider.java

@Override
protected Set<Application> loadAll() throws ProviderException {
    try {/*ww  w  .  j  av a  2s . c  om*/
        Map<String, Application> appByName = front50Service.getAllApplicationPermissions().stream()
                .collect(Collectors.toMap(Application::getName, Function.identity()));

        clouddriverService.getApplications().stream().filter(app -> !appByName.containsKey(app.getName()))
                .forEach(app -> appByName.put(app.getName(), app));

        return new HashSet<>(appByName.values());
    } catch (Exception e) {
        throw new ProviderException(this.getClass(), e.getCause());
    }
}

From source file:com.epam.ta.reportportal.ws.converter.builders.ProjectSettingsResourceBuilder.java

public ProjectSettingsResourceBuilder addProjectSettings(Project settings) {
    ProjectSettingsResource resource = getObject();
    resource.setProjectId(settings.getId());
    Map<String, List<IssueSubTypeResource>> result = settings.getConfiguration().getSubTypes().entrySet()
            .stream()/* www. j a  v  a2 s . c om*/
            .collect(Collectors.toMap(entry -> entry.getKey().getValue(),
                    entry -> entry.getValue().stream()
                            .map(subType -> new IssueSubTypeResource(subType.getLocator(), subType.getTypeRef(),
                                    subType.getLongName(), subType.getShortName(), subType.getHexColor()))
                            .collect(Collectors.toList())));

    resource.setSubTypes(result);
    return this;
}

From source file:com.github.horrorho.inflatabledonkey.requests.MappedHeaders.java

public MappedHeaders(Collection<Header> headers) {
    this.headers = headers.stream()
            .collect(Collectors.toMap(header -> header.getName().toLowerCase(Locale.US), Function.identity()));
}

From source file:org.ow2.proactive.connector.iaas.cloud.CloudManager.java

@Autowired
public CloudManager(List<CloudProvider> cloudProviders) {
    cloudProviderPerType = cloudProviders.stream()
            .collect(Collectors.toMap(CloudProvider::getType, Function.identity()));
}

From source file:com.diversityarrays.kdxplore.trialmgr.trait.repair.TraitsToRepair.java

public TraitsToRepair(KdxploreDatabase kdxdb, List<Trait> toBeFixed) {
    this.kdxdb = kdxdb;
    this.traits = toBeFixed;
    Collections.sort(traits);/*from   ww  w.jav  a 2  s  .com*/
    this.traitById = traits.stream().collect(Collectors.toMap(Trait::getTraitId, Function.identity()));
}