Example usage for java.util.stream Collectors joining

List of usage examples for java.util.stream Collectors joining

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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:org.fenixedu.start.controller.StartController.java

@RequestMapping(value = "/module.txt", method = RequestMethod.POST)
@ResponseBody/*from  w  ww.  ja va 2 s.co m*/
String moduleText(@ModelAttribute ProjectRequest request) throws IOException, PebbleException {
    return projectService.buildModule(request).entrySet().stream()
            .map(entry -> "Path: " + entry.getKey() + "\nValue:\n" + new String(entry.getValue()))
            .collect(Collectors.joining("\n\n---------\n\n"));
}

From source file:com.nextdoor.bender.config.Source.java

public String toString() {
    String patterns = this.regexPatterns.stream().map(c -> {
        return c.toString();
    }).collect(Collectors.joining(", "));

    String operations = this.operationProcessors.stream().map(c -> {
        return c.getOperation().getClass().getSimpleName();
    }).collect(Collectors.joining(", "));

    return this.sourceName + "[" + "sourceRegex=" + this.sourceRegex + ", containsStrings=["
            + StringUtils.join(this.containsStrings, ',') + "], regexPatterns=[" + patterns + "]"
            + "], deserializers=[" + this.deserProcessor + "]" + "], operations=[" + operations + "]]";
}

From source file:com.thinkbiganalytics.metadata.modeshape.datasource.JcrDatasourceDefinition.java

@Override
public String getIdentityString() {
    String identityString = JcrPropertyUtil.getProperty(this.node, IDENTITY_STRING, true);
    if (StringUtils.isBlank(identityString)) {
        identityString = getDatasourcePropertyKeys().stream().map(key -> "${" + key + "}")
                .collect(Collectors.joining(","));
    }//from  ww  w  . j a v  a2  s . co m
    return identityString;
}

From source file:com.linecorp.armeria.server.docs.ThriftDocString.java

/**
 * Gets the namespace key of names.// ww w .  j a  v  a 2  s . c  om
 * @param names name list.
 * @return merged key.
 */
static String key(String... names) {
    return Stream.of(names).filter(s -> !Strings.isNullOrEmpty(s)).collect(Collectors.joining(DELIM));
}

From source file:com._4dconcept.springframework.data.marklogic.core.cts.CTSQuerySerializer.java

private String serializeCriteria(@Nullable Criteria criteria) {
    if (criteria != null) {
        if (criteria.getOperator() == null) {
            return handleSimpleValue(criteria);
        } else {/*from w w w .j  a  va 2  s.  com*/
            List<Criteria> criteriaList = retrieveCriteriaList(criteria);
            String ctsQueries = criteriaList.stream().map(this::serializeCriteria)
                    .collect(Collectors.joining(", "));

            switch (criteria.getOperator()) {
            case and:
                return String.format("cts:and-query((%s))", ctsQueries);
            case or:
                return String.format("cts:or-query((%s))", ctsQueries);
            }
        }
    }

    return "()";
}

From source file:com.hazelcast.qasonar.listpullrequests.ListPullRequests.java

public void run() throws IOException {
    print("Connecting to GitHub...");
    GitHub github = GitHub.connect();/*from   w  ww  . j a  va 2 s.co  m*/
    GHRepository repo = github.getRepository(gitHubRepository);

    print("Searching milestone \"%s\"...", milestoneTitle);
    GHMilestone milestone = getMilestone(milestoneTitle, repo);
    if (milestone == null) {
        printRed("Could not find milestone \"%s\"!", milestoneTitle);
        return;
    }

    print("Searching merged PRs for milestone \"%s\"...", milestoneTitle);
    List<Integer> pullRequests = getPullRequests(repo, milestone, calendar);

    print("Sorting %d PRs...", pullRequests.size());
    pullRequests.sort(Integer::compareTo);
    String pullRequestString = pullRequests.stream().map(String::valueOf).collect(Collectors.joining(","));

    String command = (pullRequests.size() > 0)
            ? format("qa-sonar%s%s%s --pullRequests %s --outputFile %s%n", optionalParameters,
                    outputGithubRepository, outputDefaultModule, pullRequestString, outputFile)
            : format("No PRs have been found for milestone %s in this repository!", milestone);

    if (scriptFile != null && pullRequests.size() > 0) {
        File file = new File(scriptFile);
        String script = readFileToString(file);
        writeStringToFile(file, format("%s%s%n", script, command));
    }

    printTimeTracks();
    printGreen("Done!\n");
    print(command);
}

From source file:net.kemitix.checkstyle.ruleset.builder.ReadmeWriter.java

private String readmeRules(final Predicate<Rule> predicate) {
    return rulesProperties.getRules().stream().filter(predicate).flatMap(ruleReadmeLoader::load)
            .collect(Collectors.joining(NEWLINE));
}

From source file:eu.crydee.stanfordcorenlp.Tokenizer.java

/**
 * Tokenize only./*from   w w w.j  a  v  a 2  s  . c om*/
 *
 * @param input the String to tokenize.
 * @return a String of the tokenized text with space separated words.
 */
public String tokenize(String input) {
    Annotation annotation = new Annotation(input);
    pipelineWithoutSS.annotate(annotation);
    return annotation.get(TokensAnnotation.class).stream().map(ann -> ann.get(TextAnnotation.class))
            .collect(Collectors.joining(" "));
}

From source file:dk.dbc.rawrepo.oai.OAIIdentifierCollection.java

/**
 * Fetch identifiers from database//from  w w  w . java  2 s  . com
 *
 * json argument is object with: null null null null null     {@literal
 * f: fromTimestamp*
 * u: untilTimestamp*
 * m: metadataPrefix
 * o: fromOffset (how many records with fromTimestamp has been seen)*
 * s: set*
 * }
 *
 * @param json  as described
 * @param limit how many records to fetch
 * @return json as described or null if no more records
 */
@SuppressFBWarnings("SQL_PREPARED_STATEMENT_GENERATED_FROM_NONCONSTANT_STRING")
public ObjectNode fetch(ObjectNode json, int limit) {
    log.debug("limit = " + limit);
    StringBuilder sb = new StringBuilder();
    String set = json.path("s").asText(null);
    String from = json.path("f").asText(null);
    String until = json.path("u").asText(null);
    String metadataPrefix = json.path("m").asText("");
    int offset = json.path("o").asInt(0);
    sb.append("SELECT pid, changed, deleted FROM oairecords JOIN oairecordsets USING (pid) WHERE");
    if (set != null) {
        sb.append(" setSpec = ?");
    } else if (allowedSets.isEmpty()) {
        return null;
    } else {
        sb.append(" setSpec IN ('");
        sb.append(allowedSets.stream().sorted().collect(Collectors.joining("', '")));
        sb.append("')");
    }
    sb.append(" AND ? in (SELECT prefix FROM oaiformats)");

    if (from != null) {
        sb.append(" AND");
        if (from.contains(".")) {
            sb.append(
                    " DATE_TRUNC('milliseconds', changed) >= DATE_TRUNC('milliseconds', ?::timestamp AT TIME ZONE 'UTC')");
        } else if (from.contains("T")) {
            sb.append(
                    " DATE_TRUNC('second', changed) >= DATE_TRUNC('second', ?::timestamp AT TIME ZONE 'UTC')");
        } else {
            sb.append(" DATE_TRUNC('day', changed) >= DATE_TRUNC('day', ?::timestamp AT TIME ZONE 'UTC')");
        }
    }
    if (until != null) {
        sb.append(" AND");
        if (until.contains(".")) {
            sb.append(
                    " DATE_TRUNC('milliseconds', changed) <= DATE_TRUNC('milliseconds', ?::timestamp AT TIME ZONE 'UTC')");
        } else if (until.contains("T")) {
            sb.append(
                    " DATE_TRUNC('second', changed) <= DATE_TRUNC('second', ?::timestamp AT TIME ZONE 'UTC')");
        } else {
            sb.append(" DATE_TRUNC('day', changed) <= DATE_TRUNC('day', ?::timestamp AT TIME ZONE 'UTC')");
        }
    }
    sb.append(" GROUP BY pid");
    if (set != null) {
        sb.append(", gone");
    }
    sb.append(" ORDER BY changed, pid OFFSET ? LIMIT ?");
    String query = sb.toString();
    log.debug("query = " + query);

    sb = new StringBuilder();
    sb.append("SELECT setSpec FROM oairecordsets WHERE pid = ? AND setSpec IN ('")
            .append(allowedSets.stream().sorted().collect(Collectors.joining("', '")))
            .append("') AND NOT gone ORDER BY setSpec");
    String setQuery = sb.toString();

    Timestamp last = null;
    int row = 0;
    try (PreparedStatement stmt = connection.prepareStatement(query);
            PreparedStatement sets = connection.prepareStatement(setQuery)) {
        int i = 1;
        if (set != null) {
            stmt.setString(i++, set);
        }
        stmt.setString(i++, metadataPrefix);
        if (from != null) {
            stmt.setString(i++, from);
        }
        if (until != null) {
            stmt.setString(i++, until);
        }
        stmt.setInt(i++, offset);
        stmt.setInt(i++, limit + 1);
        try (ResultSet resultSet = stmt.executeQuery()) {
            while (resultSet.next()) {
                row++;
                String pid = resultSet.getString(1);
                Timestamp changed = resultSet.getTimestamp(2);
                Boolean deleted = resultSet.getBoolean(3);
                if (row <= limit) {
                    OAIIdentifier oaiRecord = new OAIIdentifier(pid, changed, deleted);
                    sets.setString(1, pid);
                    try (ResultSet setsResult = sets.executeQuery()) {
                        while (setsResult.next()) {
                            oaiRecord.add(setsResult.getString(1));
                        }
                    }
                    if (oaiRecord.isEmpty() && !oaiRecord.isDeleted()) {
                        oaiRecord = new OAIIdentifier(pid, changed, true);
                    }
                    add(oaiRecord);
                    if (changed.equals(last)) {
                        offset++;
                    } else {
                        last = changed;
                        offset = 1;
                    }
                } else {
                    ObjectNode obj = OBJECT_MAPPER.createObjectNode();
                    String continueFrom = changed.toInstant().atZone(ZoneId.systemDefault())
                            .format(DateTimeFormatter.ISO_INSTANT);
                    obj.put("f", continueFrom);
                    if (changed.equals(last)) {
                        obj.put("o", offset);
                    }
                    if (until != null) {
                        obj.put("u", until);
                    }
                    if (set != null) {
                        obj.put("s", set);
                    }
                    if (metadataPrefix != null) {
                        obj.put("m", metadataPrefix);
                    }
                    log.debug("continueFrom = " + obj);
                    return obj;
                }
            }
        }
    } catch (SQLException ex) {
        log.error("Exception: " + ex.getMessage());
        log.debug("Exception:", ex);
        throw new ServerErrorException(Response.Status.INTERNAL_SERVER_ERROR, "Internal Error");
    }
    return null;
}

From source file:eu.crydee.alignment.aligner.cr.MetricsCR.java

@Override
public void initialize(UimaContext context) throws ResourceInitializationException {
    super.initialize(context);
    whitelistFile = new File(whitelistFilePath);
    List<String> errs = new ArrayList<>();
    if (!whitelistFile.isFile()) {
        errs.add("The run file doesn't resolve to a file.");
    } else if (!whitelistFile.canRead()) {
        errs.add("The run file can't be read.");
    }/*from w w w .j a v  a 2 s  .com*/
    if (!errs.isEmpty()) {
        logger.error(errs.stream().collect(Collectors.joining("\n")));
        throw new ResourceInitializationException();
    }

    try {
        Set<String> lines = new HashSet<>(FileUtils.readLines(whitelistFile, StandardCharsets.UTF_8));
        it = Sets.cartesianProduct(lines, lines).iterator();
    } catch (FileNotFoundException e) {
        logger.error("Couldn't find the run file.", e);
        throw new ResourceInitializationException(e);
    } catch (IOException e) {
        logger.error("Couldn't read the whitelist file.", e);
        throw new ResourceInitializationException(e);
    }
    currentIndex = 0;
}