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:httpasync.AsyncClientPipelinedStreaming.java

public static void a() {
    long start = System.currentTimeMillis();
    CloseableHttpPipeliningClient httpclient = HttpAsyncClients.createPipelining();
    try {/*from   w w  w. j  av  a 2 s .  c  om*/
        httpclient.start();

        HttpHost targetHost = new HttpHost("globalquotes.xignite.com", 80);
        //            HttpGet[] resquests = {
        //                    new HttpGet("/docs/index.html"),
        //                    new HttpGet("/docs/introduction.html"),
        //                    new HttpGet("/docs/setup.html"),
        //                    new HttpGet("/docs/config/index.html")
        //            };

        List<MyRequestProducer> requestProducers = new ArrayList<MyRequestProducer>();
        List<MyResponseConsumer> responseConsumers = new ArrayList<MyResponseConsumer>();
        String[] codes = StockParser.stockCodeList.split(",");
        //            500 * 17  ~~~~~~~~~~~~~~~ Shutting down : 12660
        //              avg=17348.1

        //            400 * 21  ~~~~~~~~~~~~~~~ Shutting down : 27476
        //              avg=18923.8

        int take = 400;
        for (int i = 0; i < codes.length / take; i++) {
            String code = Arrays.asList(codes).stream().skip(i * take).limit(take)
                    .collect(Collectors.joining(","));
            HttpGet request = new HttpGet(StockParser.uri + URLEncoder.encode(code.trim()));
            requestProducers.add(new MyRequestProducer(targetHost, request));
            responseConsumers.add(new MyResponseConsumer(request));
        }
        //            System.out.println("? = "+ responseConsumers.size());
        //            for (HttpGet request: resquests) {
        //                requestProducers.add(new MyRequestProducer(targetHost, request));
        //                responseConsumers.add(new MyResponseConsumer(request));
        //            }

        Future<List<Boolean>> future = httpclient.execute(targetHost, requestProducers, responseConsumers,
                new FutureCallback<List<Boolean>>() {
                    @Override
                    public void completed(List<Boolean> result) {
                    }

                    @Override
                    public void failed(Exception ex) {
                        ex.printStackTrace();
                    }

                    @Override
                    public void cancelled() {

                    }
                });
        future.get();
        System.out.println(take + " * " + responseConsumers.size()
                + "  ~~~~~~~~~~~~~~~ Shutting down : "
                + (System.currentTimeMillis() - start));
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            httpclient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    //        System.out.println("Done");
}

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From source file:com.rln.acme.security.MongoDBAuthenticationProvider.java

@Override
protected UserDetails retrieveUser(String username, UsernamePasswordAuthenticationToken authentication)
        throws AuthenticationException {

    final String password = (String) authentication.getCredentials();
    if (!StringUtils.isNotBlank(password)) {
        logger.warn("User {}: no password provided", username);
        throw new BadCredentialsException("Please enter password");
    }/*w ww. ja  v  a 2s .  c o  m*/

    final UserAccount user = userService.findByUsername(username);
    if (user == null) {
        logger.warn("Username {}, password {}: username and password not found", username, password);
        throw new BadCredentialsException("Invalid Username/Password");
    }

    final List<GrantedAuthority> auths;
    if (CollectionUtils.isNotEmpty(user.getRoles())) {
        auths = AuthorityUtils.commaSeparatedStringToAuthorityList(
                user.getRoles().stream().map(r -> r.getId()).collect(Collectors.joining(",")));
    } else {
        auths = AuthorityUtils.NO_AUTHORITIES;
    }

    return new User(username, password, user.getEnabled(), // enabled
            true, // account not expired
            true, // credentials not expired
            true, // account not locked
            auths);
}

---

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

/**
 * Tokenize and sentence split.//from  w ww.  j  ava  2s.c  om
 *
 * @param input the String to tokenize and sentence split.
 * @return a String of the tokenized text, one sentence per line, with space
 * separated words.
 */
public String tokenizeAndSentenceSplit(String input) {
    Annotation annotation = new Annotation(input);
    pipelineWithSS.annotate(annotation);
    return annotation
            .get(SentencesAnnotation.class).stream().map(s -> s.get(TokensAnnotation.class).stream()
                    .map(t -> t.get(TextAnnotation.class)).collect(Collectors.joining(" ")))
            .collect(Collectors.joining("\n"));
}

---

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

@Override
public void initialize(UimaContext context) throws ResourceInitializationException {
    super.initialize(context);
    String[] dfxps = new File(dfxpDirpath).list(), teis = new File(teiDirpath).list();
    List<String> errs = new ArrayList<>();
    if (teis == null) {
        errs.add("The TEI directory path doesn't resolve to a directory.");
    } else if (dfxps == null) {
        errs.add("The DFXP directory path doesn't resolve to a directory.");
    }//from   ww w . java 2  s.co m
    if (!errs.isEmpty()) {
        logger.error(errs.stream().collect(Collectors.joining("\n")));
        throw new ResourceInitializationException();
    }
    Set<String> dfxpsSet = Sets.newHashSet(dfxps);
    ids = Arrays.stream(teis).map(s -> s.replace(".tei.xml", "")).filter(s -> dfxpsSet.contains(s + ".dfxp"))
            .iterator();
    currentIndex = 0;
}

---

From source file:com.github.horrorho.inflatabledonkey.args.ArgsManager.java

String parse(Option option, UnaryOperator<String> parser) {
    if (option.hasArgs()) {
        return option.getValuesList().stream().map(u -> parse(option.getLongOpt(), u, parser))
                .collect(Collectors.joining(" "));
    }/*from   w w  w  . j  a  v  a  2  s.c  om*/
    if (option.hasArg()) {
        return parse(option.getLongOpt(), option.getValue(), parser);
    }
    return Boolean.TRUE.toString();
}

---

From source file:com.formkiq.core.domain.type.FolderDTO.java

/**
 * @return {@link String}//from  ww w. j av  a2s  . c  o  m
 */
@JsonIgnore
public String getPermissionsasstring() {
    return this.permissions.stream().collect(Collectors.joining(","));
}

---

From source file:com.epam.ta.reportportal.core.widget.content.UniqueBugFilterStrategy.java

@Override
public Map<String, List<ChartObject>> buildFilterAndLoadContent(UserFilter userFilter,
        ContentOptions contentOptions, String projectName) {
    Filter filter = userFilter.getFilter();
    if (filter.getTarget().equals(Launch.class)) {
        filter.addCondition(new FilterCondition(Condition.EQUALS, false, projectName, Launch.PROJECT));
        filter.addCondition(FilterConditionUtils.LAUNCH_IN_DEFAULT_MODE());
        filter.addCondition(FilterConditionUtils.LAUNCH_NOT_IN_PROGRESS());
        int limit = contentOptions.getItemsCount();

        CriteriaMap<?> criteriaMap = criteriaMapFactory.getCriteriaMap(filter.getTarget());
        List<Launch> launches = launchRepository.findIdsByFilter(filter,
                new Sort(userFilter.getSelectionOptions().isAsc() ? Sort.Direction.ASC : Sort.Direction.DESC,
                        criteriaMap.getCriteriaHolder(userFilter.getSelectionOptions().getSortingColumnName())
                                .getQueryCriteria()),
                limit);//from  w  w w. j a v  a2s.c o m
        final String value = launches.stream().map(Launch::getId).collect(Collectors.joining(SEPARATOR));
        filter = new Filter(TestItem.class,
                Sets.newHashSet(new FilterCondition(Condition.IN, false, value, TestItem.LAUNCH_CRITERIA)));
    }
    filter.addCondition(new FilterCondition(Condition.EXISTS, false, "true", TestItem.EXTERNAL_SYSTEM_ISSUES));

    return widgetContentProvider.getChartContent(filter, userFilter.getSelectionOptions(), contentOptions);
}

---

From source file:com.ikanow.aleph2.analytics.spark.services.SparkCompilerService.java

/** Compiles a scala class
 * @param script//  w  w  w.  ja v  a 2  s.c  o  m
 * @param clazz_name
 * @return
 * @throws IOException
 * @throws InstantiationException
 * @throws IllegalAccessException
 * @throws ClassNotFoundException
 */
public Tuple2<ClassLoader, Object> buildClass(final String script, final String clazz_name,
        final Optional<IBucketLogger> logger)
        throws IOException, InstantiationException, IllegalAccessException, ClassNotFoundException {
    final String relative_dir = "./script_classpath/";
    new File(relative_dir).mkdirs();

    final File source_file = new File(relative_dir + clazz_name + ".scala");
    FileUtils.writeStringToFile(source_file, script);

    final String this_path = LiveInjector.findPathJar(this.getClass(), "./dummy.jar");
    final File f = new File(this_path);
    final File fp = new File(f.getParent());
    final String classpath = Arrays.stream(fp.listFiles()).map(ff -> ff.toString())
            .filter(ff -> ff.endsWith(".jar")).collect(Collectors.joining(":"));

    // Need this to make the URL classloader be used, not the system classloader (which doesn't know about Aleph2..)

    final Settings s = new Settings();
    s.classpath().value_$eq(System.getProperty("java.class.path") + classpath);
    s.usejavacp().scala$tools$nsc$settings$AbsSettings$AbsSetting$$internalSetting_$eq(true);
    final StoreReporter reporter = new StoreReporter();
    final Global g = new Global(s, reporter);
    final Run r = g.new Run();
    r.compile(JavaConverters.asScalaBufferConverter(Arrays.<String>asList(source_file.toString())).asScala()
            .toList());

    if (reporter.hasErrors() || reporter.hasWarnings()) {
        final String errors = "Compiler: Errors/warnings (**to get to user script line substract 22**): "
                + JavaConverters.asJavaSetConverter(reporter.infos()).asJava().stream()
                        .map(info -> info.toString()).collect(Collectors.joining(" ;; "));
        logger.ifPresent(l -> l.log(reporter.hasErrors() ? Level.ERROR : Level.DEBUG, false, () -> errors,
                () -> "SparkScalaInterpreterTopology", () -> "compile"));

        //ERROR:
        if (reporter.hasErrors()) {
            System.err.println(errors);
        }
    }
    // Move any class files (eg including sub-classes)
    Arrays.stream(fp.listFiles()).filter(ff -> ff.toString().endsWith(".class"))
            .forEach(Lambdas.wrap_consumer_u(ff -> {
                FileUtils.moveFile(ff, new File(relative_dir + ff.getName()));
            }));

    // Create a JAR file...

    Manifest manifest = new Manifest();
    manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
    final JarOutputStream target = new JarOutputStream(new FileOutputStream("./script_classpath.jar"),
            manifest);
    Arrays.stream(new File(relative_dir).listFiles()).forEach(Lambdas.wrap_consumer_i(ff -> {
        JarEntry entry = new JarEntry(ff.getName());
        target.putNextEntry(entry);
        try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(ff))) {
            byte[] buffer = new byte[1024];
            while (true) {
                int count = in.read(buffer);
                if (count == -1)
                    break;
                target.write(buffer, 0, count);
            }
            target.closeEntry();
        }
    }));
    target.close();

    final String created = "Created = " + new File("./script_classpath.jar").toURI().toURL() + " ... "
            + Arrays.stream(new File(relative_dir).listFiles()).map(ff -> ff.toString())
                    .collect(Collectors.joining(";"));
    logger.ifPresent(l -> l.log(Level.DEBUG, true, () -> created, () -> "SparkScalaInterpreterTopology",
            () -> "compile"));

    final Tuple2<ClassLoader, Object> o = Lambdas.get(Lambdas.wrap_u(() -> {
        _cl.set(new java.net.URLClassLoader(
                Arrays.asList(new File("./script_classpath.jar").toURI().toURL()).toArray(new URL[0]),
                Thread.currentThread().getContextClassLoader()));
        Object o_ = _cl.get().loadClass("ScriptRunner").newInstance();
        return Tuples._2T(_cl.get(), o_);
    }));
    return o;
}

---

From source file:org.ng200.openolympus.resourceResolvers.OpenOlympusMessageSource.java

private void reportMissingLocalisationKey(final String code) {
    try {/*from  w  w  w  .  ja v  a  2s. c om*/
        if (code.isEmpty() || Character.isUpperCase(code.charAt(0))) {
            return;
        }
        final Path file = FileSystems.getDefault().getPath(this.storagePath, "missingLocalisation.txt");
        if (!FileAccess.exists(file)) {
            FileAccess.createDirectories(file.getParent());
            FileAccess.createFile(file);
        }
        final Set<String> s = new TreeSet<>(Arrays.asList(FileAccess.readUTF8String(file).split("\n")));
        s.add(code);
        FileAccess.writeUTF8StringToFile(file, s.stream().collect(Collectors.joining("\n")));
    } catch (final IOException e) {
        OpenOlympusMessageSource.logger.error("Couldn't add to missing key repo: {}", e);
    }
}

---

From source file:dk.dma.msinm.web.wms.WmsProxyServlet.java

/**
 * Main GET method//from  w  w w  .  ja  va 2 s. c  o m
 * @param request servlet request
 * @param response servlet response
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

    // Cache for a day
    WebUtils.cache(response, CACHE_TIMEOUT);

    // Check that the WMS provider has been defined using system properties
    if (StringUtils.isBlank(wmsServiceName) || StringUtils.isBlank(wmsProvider) || StringUtils.isBlank(wmsLogin)
            || StringUtils.isBlank(wmsPassword)) {
        response.sendRedirect(BLANK_IMAGE);
        return;
    }

    @SuppressWarnings("unchecked")
    Map<String, String[]> paramMap = request.getParameterMap();
    String params = paramMap.entrySet().stream().map(p -> String.format("%s=%s", p.getKey(), p.getValue()[0]))
            .collect(Collectors.joining("&"));
    params += String.format("&SERVICENAME=%s&LOGIN=%s&PASSWORD=%s", wmsServiceName, wmsLogin, wmsPassword);

    String url = wmsProvider + "?" + params;
    log.trace("Loading image " + url);

    try {
        BufferedImage image = ImageIO.read(new URL(url));
        if (image != null) {
            image = transformWhiteToTransparent(image);

            OutputStream out = response.getOutputStream();
            ImageIO.write(image, "png", out);
            image.flush();
            out.close();
            return;
        }
    } catch (Exception e) {
        log.trace("Failed loading WMS image for URL " + url);
    }

    // Fall back to return a blank image
    response.sendRedirect(BLANK_IMAGE);
}

---

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