Example usage for java.util.stream Collectors joining

Introduction

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

Prototype

public static Collector<CharSequence, ?, String> joining(CharSequence delimiter)

Source Link

Document

Returns a Collector that concatenates the input elements, separated by the specified delimiter, in encounter order.

Usage

From source file:waffle.spring.boot.demo.DemoController.java

@RequestMapping
public String demo(Authentication auth) {
    return String.format("Hello, %s. You have authorities: %s", auth.getPrincipal(),
            auth.getAuthorities().stream().map(a -> a.getAuthority()).collect(Collectors.joining(", ")));
}

From source file:fcl.rest.UploadResource.java

@POST
@Consumes({ MediaType.MULTIPART_FORM_DATA })
@Path("file")
public String uploadFile(@FormDataValues MultivaluedMap<String, String> formFields) {
    Map<String, String> data = new HashMap<>();
    formFields.forEach((key, values) -> data.put(key, values.stream().collect(Collectors.joining(","))));
    return data.toString();
}

From source file:ch.ethz.inf.vs.hypermedia.client.Utils.java

public static <T extends Enum<T>> T selectFromEnum(Class<T> enumType, Scanner scanner, String prompt) {
    T[] consts = enumType.getEnumConstants();
    String options = Stream.of(consts).map(x -> x.ordinal() + ": " + x).collect(Collectors.joining(", "));
    int index = -1;
    do {/*from www.j ava  2  s .c o  m*/
        System.out.printf("%s (%s): %n", prompt, options);
        String val = scanner.next().trim();
        try {
            index = Integer.parseInt(val);
        } catch (NumberFormatException e) {

        }
    } while (!(index >= 0 && index < consts.length));
    return consts[index];
}

From source file:com.netflix.spinnaker.halyard.deploy.spinnaker.v1.service.SpringServiceSettings.java

protected void setProfiles(List<String> profiles) {
    if (profiles == null || profiles.isEmpty()) {
        return;/* w w  w. j a v a  2  s. c  o m*/
    }

    String key = "SPRING_PROFILES_ACTIVE";
    String val = profiles.stream().collect(Collectors.joining(","));
    getEnv().put(key, val);
}

From source file:org.trustedanalytics.datasetpublisher.service.QueryBuilder.java

public String createTable(HiveTable table) {
    return String.format(
            "create external table if not exists %s ("
                    + table.fields.stream().map(column -> column + " string").collect(Collectors.joining(","))
                    + ") row format delimited fields terminated by ',' stored as textfile location '%s'",
            table.getFullyQualifiedName(), table.location);
}

From source file:fr.ybonnel.FruitShopTest.java

private void oneTest(int expectedResult, String... articles) {
    InputStream reader = new ReaderInputStream(
            new StringReader(Stream.of(articles).collect(Collectors.joining("\n")) + "\nexit\n"));

    ByteArrayOutputStream stream = new ByteArrayOutputStream();

    new FruitShop().caisse(reader, new PrintStream(stream));

    String result = new String(stream.toByteArray());

    String[] lines = result.split("\\n");

    String lastTotal = lines[lines.length - 2];

    System.out.println(result);/*from w  ww. ja v a  2 s  .  c  o  m*/

    assertEquals(expectedResult, Integer.parseInt(lastTotal));

}

From source file:co.runrightfast.vertx.orientdb.config.ServerResource.java

/**
 *
 * @param user user name//w w w .ja  v  a  2s .co m
 * @param password user password
 * @param resources at least 1 is required
 * @return
 */
public static OServerUserConfiguration serverUserConfiguration(final String user, final String password,
        final ServerResource... resources) {
    checkArgument(isNotBlank(user), MUST_NOT_BE_BLANK, "user");
    checkArgument(isNotBlank(password), MUST_NOT_BE_BLANK, "password");
    checkArgument(ArrayUtils.isNotEmpty(resources), MUST_NOT_BE_EMPTY, "resources");
    return new OServerUserConfiguration(user, password,
            Arrays.stream(resources).map(resource -> resource.resource).collect(Collectors.joining(",")));
}

From source file:com.haulmont.cuba.gui.components.formatters.CollectionFormatter.java

@Override
public String format(Collection value) {
    if (value == null) {
        return StringUtils.EMPTY;
    }/*ww w  .j a va  2s  .  c  o m*/

    //noinspection unchecked
    return ((Collection<Object>) value).stream().map(metadataTools::format).collect(Collectors.joining(", "));
}

From source file:spring.travel.site.auth.CookieEncoder.java

public String encode(Map<String, String> values) throws AuthException {
    String encoded = values.entrySet().stream()
            .map((entry) -> urlEncode(entry.getKey()) + "=" + urlEncode(entry.getValue()))
            .collect(Collectors.joining("&"));

    String signature = signer.sign(encoded);
    return cookieName + "=" + signature + "-" + encoded;
}

From source file:com.diversityarrays.kdxplore.vistool.VisToolData.java

static public String createReportText(Bag<String> missingOrBad, Bag<String> suppressed) {

    String fmt = Msg.raw_MSG_VALUE_COLON_VALUE_COUNT();

    List<String> lines = new ArrayList<>();

    if (!missingOrBad.isEmpty()) {
        lines.add(Msg.MSG_SOME_TRAIT_VALUES_NOT_PLOTTED());
        lines.add("Missing or Invalid:");
        appendLines(fmt, missingOrBad, lines);
    }//ww  w .ja  v  a2s . co m

    if (!suppressed.isEmpty()) {
        if (missingOrBad.isEmpty()) {
            lines.add(Msg.MSG_SOME_TRAIT_VALUES_NOT_PLOTTED());
        }
        lines.add("Suppressed:");
        appendLines(fmt, suppressed, lines);
    }

    return lines.stream().collect(Collectors.joining("\n")); //$NON-NLS-1$
}