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:com.ethercamp.harmony.service.wallet.FileSystemWalletStore.java

public List<WalletAddressItem> fromStore() {
    final ObjectMapper mapper = new ObjectMapper();

    try {//from   ww  w .j  ava 2s  .  c  o m
        final File file = getKeyStoreLocation().resolve(FILE_NAME).toFile();

        final String content = Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(""));

        return mapper.readValue(content, new TypeReference<List<WalletAddressItem>>() {
        });
    } catch (NoSuchFileException e) {
        return Collections.EMPTY_LIST;
    } catch (IOException e) {
        throw new RuntimeException("Problem loading data. Message: " + e.getMessage(), e);
    }
}

From source file:ru.xxlabaza.aspect.MyAspect.java

@Around("bean(*Controller)")
public Object around(ProceedingJoinPoint joinPoint) throws Throwable {
    String methodName = ((MethodSignature) joinPoint.getSignature()).getMethod().getName();
    String arguments = Stream.of(joinPoint.getArgs()).map(Object::toString).collect(Collectors.joining(", "));

    log.info("\n\tAROUND ->\n" + "\tMethod name: {}\n" + "\tArguments: {}", methodName, arguments);

    return joinPoint.proceed();
}

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

@Override
public OServerHandlerConfiguration get() {
    final OServerHandlerConfiguration config = new OServerHandlerConfiguration();
    config.clazz = OServerSideScriptInterpreter.class.getName();
    config.parameters = new OServerParameterConfiguration[] {
            new OServerParameterConfiguration("enabled", Boolean.toString(enabled)),
            new OServerParameterConfiguration("allowedLanguages",
                    allowedLanguages.stream().collect(Collectors.joining(","))) };
    return config;
}

From source file:com.epam.reportportal.extension.bugtracking.tfs.DescriptionBuilder.java

@Override
public String build(WorkItem workItem, InternalTicket ticket, Collection<String> values) {
    Map<String, Object> templateContext = new HashMap<>();

    /* What is description? */
    templateContext.put("description", values.stream().collect(Collectors.joining("<br>")));

    if ((null != ticket.getComments()) && (!ticket.getComments().trim().isEmpty())) {
        templateContext.put("comments", ticket.getComments());
    }/*from  www .  j  a  va 2 s.  c om*/

    if (null != ticket.getBackLinks()) {
        templateContext.put("backLinks", ticket.getBackLinks());
    }

    if (null != ticket.getLogs()) {
        /* Order of log items is important */
        List<HtmlLogEntry> logData = new LinkedList<>();
        for (InternalTicket.LogEntry log : ticket.getLogs()) {
            String attachmentUrl = null;
            if (null != log.getAttachment()) {
                Attachment attachment = new AttachmentImpl(createFile(log), log.getLog().getLogMsg());
                workItem.getAttachments().add(attachment);
                /* need to save to obtain attachment URL */
                TfsUtils.saveWorkItem(workItem);
                attachmentUrl = attachment.getURL().toString();
            }
            String message = log.getIncludeLogs() ? log.getLog().getLogMsg() : "";
            String screen = Strings.isNullOrEmpty(attachmentUrl) ? null : attachmentUrl;
            boolean isLogs = log.getIncludeLogs();
            HtmlLogEntry entry = new HtmlLogEntry(message, screen, isLogs);
            logData.add(entry);
        }
        templateContext.put("logs", logData);
    }
    return templateEngine.merge(TFS_BUG_TEMPLATE_PATH, templateContext);
}

From source file:cn.edu.zjnu.acm.judge.core.Judger.java

private static String collectLines(Path path) throws IOException {
    Charset charset = Platform.getCharset();
    String compileInfo;/* w w w. j a v a2 s . c o  m*/
    try (InputStream is = Files.newInputStream(path);
            InputStreamReader isr = new InputStreamReader(is, charset);
            BufferedReader br = new BufferedReader(isr)) {
        compileInfo = br.lines().collect(Collectors.joining("\n"));
    }
    return compileInfo.length() > 1000 ? compileInfo.substring(0, 997) + "..." : compileInfo;
}

From source file:com.ikanow.aleph2.data_model.utils.ProcessUtils.java

/**
 * Starts the given process by calling process_builder.start();
 * Records the started processes pid and start date.
 *  /*  w ww . j  av a2s. c o  m*/
 * @param process_builder
 * @throws IOException 
 * @return returns any error in _1(), the pid in _2()
 */
public static Tuple2<String, String> launchProcess(final ProcessBuilder process_builder,
        final String application_name, final DataBucketBean bucket, final String aleph_root_path,
        final Optional<Tuple2<Long, Integer>> timeout_kill) {
    try {
        if (timeout_kill.isPresent()) {
            final Stream<String> timeout_stream = Stream.of("timeout", "-s", timeout_kill.get()._2.toString(),
                    timeout_kill.get()._1.toString());
            process_builder.command(Stream.concat(timeout_stream, process_builder.command().stream())
                    .collect(Collectors.toList()));
        }

        //starts the process, get pid back
        logger.debug("Starting process: " + process_builder.command().toString());
        final Process px = process_builder.start();
        String err = null;
        String pid = null;
        if (!px.isAlive()) {
            err = "Unknown error: " + px.exitValue() + ": "
                    + process_builder.command().stream().collect(Collectors.joining(" "));
            // (since not capturing output)
        } else {
            pid = getPid(px);
            //get the date on the pid file from /proc/<pid>
            final long date = getDateOfPid(pid);
            //record pid=date to aleph_root_path/pid_manager/bucket._id/application_name
            storePid(application_name, bucket, aleph_root_path, pid, date);
        }
        return Tuples._2T(err, pid);

    } catch (Throwable t) {
        return Tuples._2T(ErrorUtils.getLongForm("{0}", t), null);
    }
}

From source file:io.pivotal.strepsirrhini.chaoslemur.reporter.DataDogReporter.java

private String message(List<Member> members) {
    int size = members.size();

    String s = "\n";
    s += size + English.plural(" VM", size) + " destroyed:\n";
    s += members.stream().sorted().map(member -> String.format("%s", member.getName()))
            .collect(Collectors.joining("\n"));

    return s;/* w  w  w.ja  v  a2 s  .  c  o  m*/
}

From source file:example.UserInitializer.java

private static List<User> readUsers(Resource resource) throws Exception {

    Scanner scanner = new Scanner(resource.getInputStream());
    String line = scanner.nextLine();
    scanner.close();// ww w  . ja  v  a2 s .co  m

    FlatFileItemReader<User> reader = new FlatFileItemReader<User>();
    reader.setResource(resource);

    DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
    tokenizer.setNames(line.split(","));
    tokenizer.setStrict(false);

    DefaultLineMapper<User> lineMapper = new DefaultLineMapper<User>();
    lineMapper.setFieldSetMapper(fields -> {

        User user = new User();

        user.setEmail(fields.readString("email"));
        user.setFirstname(capitalize(fields.readString("first")));
        user.setLastname(capitalize(fields.readString("last")));
        user.setNationality(fields.readString("nationality"));

        String city = Arrays.stream(fields.readString("city").split(" "))//
                .map(StringUtils::capitalize)//
                .collect(Collectors.joining(" "));
        String street = Arrays.stream(fields.readString("street").split(" "))//
                .map(StringUtils::capitalize)//
                .collect(Collectors.joining(" "));

        try {
            user.setAddress(new Address(city, street, fields.readString("zip")));
        } catch (IllegalArgumentException e) {
            user.setAddress(new Address(city, street, fields.readString("postcode")));
        }

        user.setPicture(new Picture(fields.readString("large"), fields.readString("medium"),
                fields.readString("thumbnail")));
        user.setUsername(fields.readString("username"));
        user.setPassword(fields.readString("password"));

        return user;
    });

    lineMapper.setLineTokenizer(tokenizer);

    reader.setLineMapper(lineMapper);
    reader.setRecordSeparatorPolicy(new DefaultRecordSeparatorPolicy());
    reader.setLinesToSkip(1);
    reader.open(new ExecutionContext());

    List<User> users = new ArrayList<>();
    User user = null;

    do {

        user = reader.read();

        if (user != null) {
            users.add(user);
        }

    } while (user != null);

    return users;
}

From source file:grakn.core.util.GraqlTestUtil.java

public static void loadFromFile(String gqlPath, String file, TransactionOLTP tx) {
    try {//w  w  w .  j a  v  a  2  s  .  c  o  m
        System.out.println("Loading... " + gqlPath + file);
        InputStream inputStream = GraqlTestUtil.class.getClassLoader().getResourceAsStream(gqlPath + file);
        String s = new BufferedReader(new InputStreamReader(inputStream)).lines()
                .collect(Collectors.joining("\n"));
        Graql.parseList(s).forEach(tx::execute);
    } catch (Exception e) {
        System.err.println(e);
        throw new RuntimeException(e);
    }
}

From source file:com.javafxpert.wikibrowser.WikiPageController.java

/**
 *
 *//*from  w  ww. j ava 2 s . c o m*/
@RequestMapping("/wikipage")
String generateWikiBrowserPage(
        @RequestParam(value = "name", defaultValue = "Ada_Lovelace") String wikipediaPageName,
        @RequestParam(value = "lang") String lang) throws Exception {

    String language = wikiBrowserProperties.computeLang(lang);

    String mWikipediaBase = String.format(WikiClaimsController.WIKIPEDIA_MOBILE_BASE_TEMPLATE, language);
    String mWikipedia = String.format(WikiClaimsController.WIKIPEDIA_MOBILE_TEMPLATE, language);
    String mWikipediaPage = mWikipedia + wikipediaPageName;

    URL url = new URL(mWikipediaPage);
    InputStream inputStream = url.openStream();
    BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));

    String pageText = reader.lines().collect(Collectors.joining("\n"));
    pageText = pageText.replaceAll("\\\"/w/", "\"" + mWikipediaBase + "w/");
    pageText = pageText.replaceAll("\\\"/images/", "\"" + mWikipediaBase + "images/");
    pageText = pageText.replaceAll("\\\"/static/", "\"" + mWikipediaBase + "static/");

    pageText = pageText.replaceAll("\\\"href\\\":\\\"/w/", "\"href\":\"" + mWikipediaBase + "w/");
    pageText = pageText.replaceAll("\\\"href\\\":\\\"/wiki/", "\"href\":\"" + mWikipedia);

    pageText = pageText.replaceAll("href=\\\"/wiki/", "href=\"" + "/wikipage?lang=" + language + "&name=");

    pageText = pageText.replaceAll("href=\\\"//", "target=\"_blank\" href=\"//");

    pageText = pageText.replaceAll("href=\\\"http", "target=\"_blank\" href=\"http");

    // Remove the search menu at the top of the page
    int searchAnchorStartPos = pageText.indexOf("<a title");
    if (searchAnchorStartPos > 0) {
        int searchAnchorEndPos = pageText.indexOf("</a>", searchAnchorStartPos);
        if (searchAnchorEndPos > 0) {
            pageText = pageText.substring(0, searchAnchorStartPos)
                    + pageText.substring(searchAnchorEndPos + "</a>".length());
        }
    }

    // Remove the search form at the top of the page
    int searchFormStartPos = pageText.indexOf("<form");
    if (searchFormStartPos > 0) {
        int searchFormEndPos = pageText.indexOf("</form>", searchFormStartPos);
        if (searchFormEndPos > 0) {
            pageText = pageText.substring(0, searchFormStartPos)
                    + pageText.substring(searchFormEndPos + "</form>".length());
        }
    }

    return pageText;
}