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:io.bitsquare.gui.util.BSFormatter.java

public String languageCodesToString(List<String> languageLocales) {
    return languageLocales.stream().map(LanguageUtil::getDisplayName).collect(Collectors.joining(", "));
}

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From source file:com.ikanow.aleph2.data_import_manager.analytics.utils.TestAnalyticTriggerCrudUtils.java

@Test
public void test_activateUpdateTimesAndSuspend() throws InterruptedException {
    assertEquals(0, _test_crud.countObjects().join().intValue());

    final DataBucketBean bucket = buildBucket("/test/active/trigger", true);

    // 1) Store as above
    {/*  w w w  .ja v a 2  s. c  o  m*/
        final Stream<AnalyticTriggerStateBean> test_stream = AnalyticTriggerBeanUtils
                .generateTriggerStateStream(bucket, false, Optional.of("test_host"));
        final List<AnalyticTriggerStateBean> test_list = test_stream.collect(Collectors.toList());

        System.out.println("Resources = \n" + test_list.stream()
                .map(t -> BeanTemplateUtils.toJson(t).toString()).collect(Collectors.joining("\n")));

        assertEquals(8L, test_list.size());//(8 not 7 because we only dedup at the DB)

        // 4 internal dependencies
        assertEquals(4L, test_list.stream().filter(t -> null != t.job_name()).count());
        // 5 external dependencies
        assertEquals(4L, test_list.stream().filter(t -> null == t.job_name()).count());

        final Map<Tuple2<String, String>, List<AnalyticTriggerStateBean>> grouped_triggers = test_list.stream()
                .collect(Collectors.groupingBy(t -> Tuples._2T(t.bucket_name(), null)));

        AnalyticTriggerCrudUtils.storeOrUpdateTriggerStage(bucket, _test_crud, grouped_triggers).join();

        assertEquals(7L, _test_crud.countObjects().join().intValue());

    }

    //DEBUG
    //printTriggerDatabase();

    // Sleep to change times
    Thread.sleep(100L);

    //(activate)
    bucket.analytic_thread().jobs().stream().filter(job -> Optional.ofNullable(job.enabled()).orElse(true))
            .forEach(job -> {
                AnalyticTriggerCrudUtils.createActiveBucketOrJobRecord(_test_crud, bucket, Optional.of(job),
                        Optional.of("test_host"));
            });

    // 2) Activate then save suspended - check suspended goes to pending       
    {
        final Stream<AnalyticTriggerStateBean> test_stream = AnalyticTriggerBeanUtils
                .generateTriggerStateStream(bucket, true, Optional.of("test_host"));
        final List<AnalyticTriggerStateBean> test_list = test_stream.collect(Collectors.toList());

        assertTrue("All suspended",
                test_list.stream().filter(t -> t.is_bucket_suspended()).findFirst().isPresent());

        final Map<Tuple2<String, String>, List<AnalyticTriggerStateBean>> grouped_triggers = test_list.stream()
                .collect(Collectors.groupingBy(t -> Tuples._2T(t.bucket_name(), null)));

        //DEBUG
        //printTriggerDatabase();

        assertEquals(13L, _test_crud.countObjects().join().intValue()); // ie 5 active jobs + 1 active bucket, 4 job dependencies, 3 external triggers          

        AnalyticTriggerCrudUtils.storeOrUpdateTriggerStage(bucket, _test_crud, grouped_triggers).join();

        //DEBUG
        //printTriggerDatabase();

        assertEquals(17L, _test_crud.countObjects().join().intValue()); // ie 5 active jobs, + 1 active bucket, 4 job dependencies x2 (pending/non-pending), the 3 external triggers get overwritten         
        assertEquals(7L, _test_crud.countObjectsBySpec(CrudUtils.allOf(AnalyticTriggerStateBean.class)
                .when(AnalyticTriggerStateBean::is_bucket_suspended, true)).join().intValue());
    }

    // Sleep to change times
    Thread.sleep(100L);

    // 3) De-activate and check reverts to pending
    {
        AnalyticTriggerCrudUtils.deleteActiveJobEntries(_test_crud, bucket, bucket.analytic_thread().jobs(),
                Optional.of("test_host")).join();

        bucket.analytic_thread().jobs().stream().forEach(job -> {
            //System.out.println("BEFORE: " + job.name() + ": " + _test_crud.countObjects().join().intValue());

            AnalyticTriggerCrudUtils
                    .updateCompletedJob(_test_crud, bucket.full_name(), job.name(), Optional.of("test_host"))
                    .join();

            //System.out.println(" AFTER: " + job.name() + ": " + _test_crud.countObjects().join().intValue());
        });

        assertEquals(8L, _test_crud.countObjects().join().intValue());

        assertEquals(7L, _test_crud.countObjectsBySpec(CrudUtils.allOf(AnalyticTriggerStateBean.class)
                .when(AnalyticTriggerStateBean::is_pending, false)).join().intValue());

        AnalyticTriggerCrudUtils
                .deleteActiveBucketRecord(_test_crud, bucket.full_name(), Optional.of("test_host")).join();

        assertEquals(7L, _test_crud.countObjects().join().intValue());
    }
}

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From source file:org.apache.nifi.minifi.c2.service.ConfigService.java

private Pair<MediaType, ConfigurationProvider> getProvider(List<MediaType> acceptValues)
        throws ConfigurationProviderException {
    List<Pair<MediaType, ConfigurationProvider>> mediaTypeList;
    try {/*from   w  ww  .  j av  a 2  s . c o m*/
        mediaTypeList = this.configurationProviderInfo.get().getMediaTypeList();
    } catch (ConfigurationProviderException.Wrapper e) {
        throw e.unwrap();
    }
    for (MediaType accept : acceptValues) {
        for (Pair<MediaType, ConfigurationProvider> pair : mediaTypeList) {
            MediaType mediaType = pair.getFirst();
            if (accept.isCompatible(mediaType)) {
                return new Pair<>(mediaType, pair.getSecond());
            }
        }
    }

    throw new WebApplicationException(Response.status(406)
            .entity("Unable to find configuration provider for " + "\"Accept: "
                    + acceptValues.stream().map(Object::toString).collect(Collectors.joining(", "))
                    + "\" supported media types are " + mediaTypeList.stream().map(Pair::getFirst)
                            .map(Object::toString).collect(Collectors.joining(", ")))
            .build());
}

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From source file:com.adobe.acs.commons.replication.status.impl.JcrPackageReplicationStatusEventHandler.java

private void setReplicationStatus(JcrPackage jcrPackage, String replicatedBy, ResourceResolver resourceResolver)
        throws RepositoryException {
    final List<Resource> resources = new ArrayList<>();
    final String packageId;
    try {//from w ww . j  a  v  a 2s. c  om
        JcrPackageDefinition packageDefinition = jcrPackage.getDefinition();
        if (packageDefinition == null) {
            throw new RepositoryException(
                    "Could not determine the ID for just replicated package (package invalid?)");
        } else {
            packageId = packageDefinition.getId().toString();
        }
    } catch (RepositoryException e) {
        throw new RepositoryException(
                "Could not determine the ID for just replicated package (package invalid?).", e);
    }

    try {
        for (final String packagePath : packageHelper.getContents(jcrPackage)) {
            final Resource resource = resourceResolver.getResource(packagePath);
            if (this.accept(resource)) {
                resources.add(resource);
            }
        }
    } catch (RepositoryException | PackageException | IOException e) {
        throw new RepositoryException(
                "Could not retrieve the Packages contents for package '" + packageId + "'", e);
    }
    try {
        if (resources.size() > 0) {
            replicationStatusManager.setReplicationStatus(resourceResolver, replicatedBy,
                    getJcrPackageLastModified(jcrPackage), ReplicationStatusManager.Status.ACTIVATED,
                    resources.toArray(new Resource[resources.size()]));

            log.info("Updated Replication Status for JCR Package: {}", packageId);
        } else {
            log.info(
                    "Could not find any resources in JCR Package [ {} ] that are candidates to have their Replication Status updated",
                    packageId);
        }
    } catch (RepositoryException | IOException e) {
        // enrich exception with path information (limited to 10 paths only)
        String paths = resources.stream().map(r -> r.getPath()).limit(10).collect(Collectors.joining(", "));
        throw new RepositoryException("Exception occurred updating replication status for contents of package '"
                + packageId + "' covering paths: '" + paths + ", ...'", e);
    }
}

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From source file:nu.yona.server.analysis.service.AnalysisEngineService.java

private void logMultipleOverlappingActivities(ActivityPayload payload, GoalDto matchingGoal,
        DayActivity dayActivity, List<Activity> overlappingOfSameApp) {
    String overlappingActivitiesKind = payload.application.isPresent()
            ? MessageFormat.format("app activities of ''{0}''", payload.application.get())
            : "network activities";
    String overlappingActivities = overlappingOfSameApp.stream().map(Activity::toString)
            .collect(Collectors.joining(", "));
    logger.warn(//from  w  w  w .  ja va 2  s .co m
            "Multiple overlapping {} found. The payload has start time {} and end time {}. The day activity ID is {} and the activity category ID is {}. The overlapping activities are: {}.",
            overlappingActivitiesKind, payload.startTime.toLocalDateTime(), payload.endTime.toLocalDateTime(),
            dayActivity.getId(), matchingGoal.getActivityCategoryId(), overlappingActivities);
}

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From source file:grakn.core.server.session.reader.GraknCqlBridgeRecordReader.java

private String makeColumnList(Collection<String> columns) {
    return columns.stream().map(this::quote).collect(Collectors.joining(","));
}

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From source file:com.epam.reportportal.extension.bugtracking.rally.RallyStrategy.java

private void checkResponse(Response response) {
    if (response.getErrors().length > 0) {
        throw new ReportPortalException("Error during interacting with Rally: "
                + Stream.of(response.getErrors()).collect(Collectors.joining(" ")));
    }//ww w.j  a v a  2  s.  com
}

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From source file:me.ixfan.wechatkit.user.UserManager.java

/**
 * ????//from   w ww  .ja  v  a  2 s.co m
 *
 * @param tagId ID
 * @param openIds ?OpenID?openid?50
 * @throws WeChatApiErrorException API??
 */
public void batchTaggingUsersWithTag(int tagId, List<String> openIds) throws WeChatApiErrorException {
    Args.notNegative(tagId, "Tag ID");
    Args.notEmpty(openIds, "OpenIds");

    final String url = WeChatConstants.WECHAT_POST_BATCH_TAGGING.replace("${ACCESS_TOKEN}",
            super.tokenManager.getAccessToken());
    final String jsonData = "{\"openid_list\":[${OPENIDS}],\"tagid\":${TAG_ID}}";
    JsonObject jsonResp;
    try {
        jsonResp = HttpClientUtil.sendPostRequestWithJsonBody(url,
                jsonData.replace("${OPENIDS}", openIds.stream().collect(Collectors.joining(",")))
                        .replace("${TAG_ID}", String.valueOf(tagId)));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

    if (jsonResp.get("errcode").getAsInt() != 0) {
        throw new WeChatApiErrorException(jsonResp.get("errcode").getAsInt(),
                jsonResp.get("errmsg").getAsString());
    }
}

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From source file:chatbot.Chatbot.java

/** **************************************************************************************************
 * Remove stop words from a sentence.//from  w w  w. j a  va 2  s  .c  om
 * @return a string that is the sentence minus the stop words.
 */
public String removeStopWords(String sentence) {

    if (isNullOrEmpty(sentence))
        return "";
    String result = "";
    ArrayList<String> al = splitToArrayList(sentence);
    if (al == null)
        return "";
    return al.stream().filter(s -> !stopwords.contains(s.toLowerCase())).collect(Collectors.joining(" "));
}

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From source file:com.compomics.colims.client.controller.AnalyticalRunsSearchSettingsController.java

/**
 * Set the analytical run details and search settings by given analytical
 * run Set empty if run is null/*w w w . j a v a 2  s  .com*/
 *
 * @param analyticalRun
 */
public void setAnalyticalRunDetailsSearchSettings(AnalyticalRun analyticalRun) {
    if (analyticalRun != null) {
        // fetch all needed fields
        fetchAnalyticalRun(analyticalRun);
        analyticalRunsSearchSettingsDialog.getNameTextField().setText(analyticalRun.getName());
        analyticalRunsSearchSettingsDialog.getStartDateTextField()
                .setText(analyticalRun.getStartDate().toString());

        analyticalRunsSearchSettingsDialog.getInstrumentTextField()
                .setText(analyticalRun.getInstrument().getName());

        if (analyticalRun.getStorageLocation() != null) {
            analyticalRunsSearchSettingsDialog.getLocationTextField()
                    .setText(analyticalRun.getStorageLocation());
        } else {
            analyticalRunsSearchSettingsDialog.getLocationTextField().setText("");
        }

        if (analyticalRun.getId() != null) {
            analyticalRunsSearchSettingsDialog.getAttachmentsTextField().setText(analyticalRun.getBinaryFiles()
                    .stream().map(binaryFile -> binaryFile.toString()).collect(Collectors.joining(", ")));
        } else {
            analyticalRunsSearchSettingsDialog.getAttachmentsTextField().setText("");
        }

        analyticalRunsSearchSettingsDialog.getSearchEngineTextField()
                .setText(analyticalRun.getSearchAndValidationSettings().getSearchEngine().toString());
        analyticalRun.getSearchAndValidationSettings().getSearchSettingsHasFastaDbs().forEach(fastaDb -> {
            if (fastaDb.getFastaDbType().equals(FastaDbType.PRIMARY)) {
                analyticalRunsSearchSettingsDialog.getFastaNameTextField()
                        .setText(fastaDb.getFastaDb().getFileName());
            }
        });
        analyticalRunsSearchSettingsDialog.getEnzymeTextField()
                .setText(analyticalRun.getSearchAndValidationSettings().getSearchParameters().getEnzymes());
        analyticalRunsSearchSettingsDialog.getMaxMissedCleTextField()
                .setText(analyticalRun.getSearchAndValidationSettings().getSearchParameters()
                        .getNumberOfMissedCleavages().toString());
        analyticalRunsSearchSettingsDialog.getPreMasTolTextField().setText(analyticalRun
                .getSearchAndValidationSettings().getSearchParameters().getPrecMassTolerance().toString());
    } else {
        analyticalRunsSearchSettingsDialog.getNameTextField().setText("");
        analyticalRunsSearchSettingsDialog.getStartDateTextField().setText("");
        analyticalRunsSearchSettingsDialog.getInstrumentTextField().setText("");
        analyticalRunsSearchSettingsDialog.getLocationTextField().setText("");
        analyticalRunsSearchSettingsDialog.getAttachmentsTextField().setText("");
        analyticalRunsSearchSettingsDialog.getSearchEngineTextField().setText("");
        analyticalRunsSearchSettingsDialog.getFastaNameTextField().setText("");
        analyticalRunsSearchSettingsDialog.getEnzymeTextField().setText("");
        analyticalRunsSearchSettingsDialog.getMaxMissedCleTextField().setText("");
        analyticalRunsSearchSettingsDialog.getPreMasTolTextField().setText("");
    }
}

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