Example usage for java.util Arrays stream

Introduction

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

Prototype

public static DoubleStream stream(double[] array) 

Source Link

Document

Returns a sequential DoubleStream with the specified array as its source.

Usage

From source file:me.rkfg.xmpp.bot.plugins.CoolStoryPlugin.java

@Override
public String getManual() {
    return Stream.concat(Stream.of(HELP_AVAILABLE_COMMANDS), Arrays.stream(WEBSITES).map(Website::getHelp))
            .collect(Collectors.joining("\n"));
}

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From source file:com.github.fharms.camel.entitymanager.CamelEntityManagerHandler.java

private Object createBeanProxy(Object bean) {
    MethodInterceptor handler = invocation -> {
        Method method = invocation.getMethod();
        switch (method.getName()) {
        case "hashCode":
            return hashCode();
        case "equals":
            return (invocation.getThis() == invocation.getArguments()[0]);
        case "toString":
            return toString();
        }//from   w  w  w .  j  a  va 2  s  .c o m

        if (entityManagerLocal.get() == null && !method.isAnnotationPresent(IgnoreCamelEntityManager.class)) {
            Arrays.stream(invocation.getArguments()).filter(f -> f instanceof Exchange).findFirst()
                    .map(Exchange.class::cast)
                    .map(o -> o.getIn().getHeader(CAMEL_ENTITY_MANAGER, EntityManager.class))
                    .ifPresent(em -> addThreadLocalEntityManager(em));
        }
        return invocation.proceed();
    };

    ProxyFactory factory = new ProxyFactory(bean);
    factory.addAdvice(handler);

    return factory.getProxy();
}

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From source file:com.thinkbiganalytics.security.rest.controller.AccessControlController.java

@GET
@Path("{name}/allowed")
@Produces(MediaType.APPLICATION_JSON)/* w  w  w .  j a va  2  s . c  om*/
@ApiOperation("Gets the list of allowed actions for a principal.")
@ApiResponses({ @ApiResponse(code = 200, message = "Returns the actions.", response = ActionGroup.class),
        @ApiResponse(code = 404, message = "The given name was not found.", response = RestResponseStatus.class) })
public ActionGroup getAllowedActions(@PathParam("name") String moduleName,
        @QueryParam("user") Set<String> userNames, @QueryParam("group") Set<String> groupNames) {

    Set<? extends Principal> users = Arrays.stream(this.actionsTransform.asUserPrincipals(userNames))
            .collect(Collectors.toSet());
    Set<? extends Principal> groups = Arrays.stream(this.actionsTransform.asGroupPrincipals(groupNames))
            .collect(Collectors.toSet());
    Principal[] principals = Stream.concat(users.stream(), groups.stream()).toArray(Principal[]::new);

    // Retrieve the allowed actions by executing the query as the specified user/groups 
    return metadata.read(() -> {
        return actionsProvider.getAllowedActions(moduleName)
                .map(this.actionsTransform.toActionGroup(AllowedActions.SERVICES))
                .orElseThrow(() -> new WebApplicationException("The available service actions were not found",
                        Status.NOT_FOUND));
    }, principals);
}

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From source file:cc.altruix.javaprologinterop.PlUtilsLogic.java

protected void addVariableValues(String query, String[] varNames, Map<String, String> row, SolveInfo res2l) {
    Arrays.stream(varNames).forEach(varName -> {
        try {//w  w w .ja v  a2 s.c  om
            row.put(varName, res2l.getTerm(varName).toString());
        } catch (NoSolutionException | UnknownVarException exception) {
            printError(query, varNames, exception);
        }
    });
}

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From source file:com.intellij.plugins.haxe.model.HaxeFileModel.java

public Stream<HaxeClassModel> getClassModelsStream() {
    return Arrays.stream(file.getChildren()).filter(element -> element instanceof HaxeClass)
            .map(element -> ((HaxeClass) element).getModel());
}

---

From source file:org.elasticsearch.packaging.test.ArchiveTestCase.java

public void test30AbortWhenJavaMissing() {
    assumeThat(installation, is(notNullValue()));

    final Installation.Executables bin = installation.executables();
    final Shell sh = new Shell();

    Platforms.onWindows(() -> {/*from  w  w  w. j a  v  a  2s .c o  m*/
        // on windows, removing java from PATH and removing JAVA_HOME is less involved than changing the permissions of the java
        // executable. we also don't check permissions in the windows scripts anyway
        final String originalPath = sh.run("$Env:PATH").stdout.trim();
        final String newPath = Arrays.stream(originalPath.split(";"))
                .filter(path -> path.contains("Java") == false).collect(joining(";"));

        // note the lack of a $ when clearing the JAVA_HOME env variable - with a $ it deletes the java home directory
        // https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/providers/environment-provider?view=powershell-6
        //
        // this won't persist to another session so we don't have to reset anything
        final Result runResult = sh.runIgnoreExitCode(
                "$Env:PATH = '" + newPath + "'; " + "Remove-Item Env:JAVA_HOME; " + bin.elasticsearch);

        assertThat(runResult.exitCode, is(1));
        assertThat(runResult.stderr,
                containsString("could not find java; set JAVA_HOME or ensure java is in PATH"));
    });

    Platforms.onLinux(() -> {
        final String javaPath = sh.run("command -v java").stdout.trim();

        try {
            sh.run("chmod -x '" + javaPath + "'");
            final Result runResult = sh.runIgnoreExitCode(bin.elasticsearch.toString());
            assertThat(runResult.exitCode, is(1));
            assertThat(runResult.stdout,
                    containsString("could not find java; set JAVA_HOME or ensure java is in PATH"));
        } finally {
            sh.run("chmod +x '" + javaPath + "'");
        }
    });
}

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From source file:webfx.URLVerifier.java

private void discoverThroughHeaders() throws IOException, URISyntaxException {
    // relax redirections
    HttpGet httpGet = new HttpGet(location.toURI());
    HttpClientContext httpcontext = HttpClientContext.create();
    try (CloseableHttpResponse response = httpclient.execute(httpGet, httpcontext)) {
        // get mimetype via Content-Type http header
        Arrays.stream(response.getHeaders("Content-Type")).findFirst()
                .ifPresent(h -> this.contentType = h.getValue());
        if (!Objects.isNull(contentType)) {
            contentType = contentType.contains(";") ? contentType.substring(0, contentType.indexOf(";")).trim()
                    : contentType;//from  w w w  .j a v  a 2  s.c o  m
            LOGGER.log(Level.INFO, "Final Content-Type: {0}", contentType);
        } else {
            LOGGER.log(Level.INFO, "Content-Type Header is Empty: {0}",
                    Arrays.toString(response.getHeaders("Content-Type")));
            // clear field b/c it was used inside lambda as temp var
            contentType = null;
        }

        // get filename via Content-Disposition http header
        Arrays.stream(response.getHeaders("Content-Disposition")).findFirst()
                .ifPresent(h -> this.pageName = h.getValue());
        if (!Objects.isNull(pageName) && pageName.contains("filename=")) {
            pageName = pageName.substring(pageName.lastIndexOf("filename=") + 9);
            LOGGER.log(Level.INFO, "temporary page name: {0}", pageName);
            if (pageName.indexOf('.') > -1) {
                fileExtension = pageName.substring(pageName.indexOf('.') + 1).trim();
                LOGGER.log(Level.INFO, "Final file extension: {0}", fileExtension);
            }
            pageName = pageName.substring(0, pageName.indexOf('.')).trim();
            LOGGER.log(Level.INFO, "Final page name: {0}", pageName);
        } else {
            // clear field b/c it was used inside lambda as temp var
            pageName = null;
        }

        HttpHost target = httpcontext.getTargetHost();
        List<URI> redirectLocations = httpcontext.getRedirectLocations();
        URI _loc = URIUtils.resolve(httpGet.getURI(), target, redirectLocations);
        this.location = _loc.toURL();
        LOGGER.log(Level.INFO, "Final HTTP location: {0}", _loc.toURL());
    }
}

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From source file:com.qq.tars.service.server.ServerService.java

public ServerConf getServerConf4Tree(String treeNodeId) {
    ServerConf serverConf = new ServerConf();
    AtomicBoolean enableSet = new AtomicBoolean(false);
    Arrays.stream(treeNodeId.split("\\.")).forEach(s -> {
        int i = Integer.parseInt(s.substring(0, 1));
        String v = s.substring(1);
        switch (i) {
        case 1://w w  w  .j a v  a2  s.co m
            serverConf.setApplication(v);
            break;
        case 2:
            serverConf.setSetName(v);
            enableSet.set(true);
            break;
        case 3:
            serverConf.setSetArea(v);
            enableSet.set(true);
            break;
        case 4:
            serverConf.setSetGroup(v);
            enableSet.set(true);
            break;
        case 5:
            serverConf.setServerName(v);
            break;
        default:
            break;
        }
    });
    serverConf.setEnableSet(enableSet.get() ? "Y" : "N");
    return serverConf;
}

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From source file:org.jimsey.projects.turbine.condenser.service.ElasticsearchNativeServiceImpl.java

@Override
public String getAllTicks() {
    QueryBuilder queryBuilder = matchAllQuery();
    SearchResponse response = elasticsearch.prepareSearch(indexForTicks).setQuery(queryBuilder)
            .setTypes(typeForTicks).setSize(size).get();
    // for (SearchHit hit : response.getHits().getHits()) {
    // System.out.println(hit.getSourceAsString());
    // }/* ww w. ja  v  a2 s  . c  o  m*/
    String results = Arrays.stream(response.getHits().getHits()).map(hit -> hit.getSourceAsString())
            .reduce((a, b) -> String.format("%s,%s", a, b)).orElse("");
    return String.format("[%s]", results);
}

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From source file:org.apache.nifi.minifi.c2.provider.nifi.rest.NiFiRestConfigurationProvider.java

@Override
public Configuration getConfiguration(String contentType, Integer version, Map<String, List<String>> parameters)
        throws ConfigurationProviderException {
    if (!CONTENT_TYPE.equals(contentType)) {
        throw new ConfigurationProviderException(
                "Unsupported content type: " + contentType + " supported value is " + CONTENT_TYPE);
    }/*  w  w  w.j  a  v a  2s  . c om*/
    String filename = templateNamePattern;
    for (Map.Entry<String, List<String>> entry : parameters.entrySet()) {
        if (entry.getValue().size() != 1) {
            throw new InvalidParameterException(
                    "Multiple values for same parameter not supported in this provider.");
        }
        filename = filename.replaceAll(Pattern.quote("${" + entry.getKey() + "}"), entry.getValue().get(0));
    }
    int index = filename.indexOf("${");
    while (index != -1) {
        int endIndex = filename.indexOf("}", index);
        if (endIndex == -1) {
            break;
        }
        String variable = filename.substring(index + 2, endIndex);
        if (!"version".equals(variable)) {
            throw new InvalidParameterException("Found unsubstituted parameter " + variable);
        }
        index = endIndex + 1;
    }

    String id = null;
    if (version == null) {
        String filenamePattern = Arrays.stream(filename.split(Pattern.quote("${version}"), -1))
                .map(Pattern::quote).collect(Collectors.joining("([0-9+])"));
        Pair<String, Integer> maxIdAndVersion = getMaxIdAndVersion(filenamePattern);
        id = maxIdAndVersion.getFirst();
        version = maxIdAndVersion.getSecond();
    }
    filename = filename.replaceAll(Pattern.quote("${version}"), Integer.toString(version));
    WriteableConfiguration configuration = configurationCache.getCacheFileInfo(contentType, parameters)
            .getConfiguration(version);
    if (configuration.exists()) {
        if (logger.isDebugEnabled()) {
            logger.debug(
                    "Configuration " + configuration + " exists and can be served from configurationCache.");
        }
    } else {
        if (logger.isDebugEnabled()) {
            logger.debug("Configuration " + configuration
                    + " doesn't exist, will need to download and convert template.");
        }
        if (id == null) {
            try {
                String tmpFilename = templateNamePattern;
                for (Map.Entry<String, List<String>> entry : parameters.entrySet()) {
                    if (entry.getValue().size() != 1) {
                        throw new InvalidParameterException(
                                "Multiple values for same parameter not supported in this provider.");
                    }
                    tmpFilename = tmpFilename.replaceAll(Pattern.quote("${" + entry.getKey() + "}"),
                            entry.getValue().get(0));
                }
                Pair<Stream<Pair<String, String>>, Closeable> streamCloseablePair = getIdAndFilenameStream();
                try {
                    String finalFilename = filename;
                    id = streamCloseablePair.getFirst().filter(p -> finalFilename.equals(p.getSecond()))
                            .map(Pair::getFirst).findFirst().orElseThrow(() -> new InvalidParameterException(
                                    "Unable to find template named " + finalFilename));
                } finally {
                    streamCloseablePair.getSecond().close();
                }
            } catch (IOException | TemplatesIteratorException e) {
                throw new ConfigurationProviderException("Unable to retrieve template list", e);
            }
        }

        HttpURLConnection urlConnection = httpConnector.get("/templates/" + id + "/download");

        try (InputStream inputStream = urlConnection.getInputStream()) {
            ConfigSchema configSchema = ConfigMain.transformTemplateToSchema(inputStream);
            SchemaSaver.saveConfigSchema(configSchema, configuration.getOutputStream());
        } catch (IOException e) {
            throw new ConfigurationProviderException(
                    "Unable to download template from url " + urlConnection.getURL(), e);
        } catch (JAXBException e) {
            throw new ConfigurationProviderException("Unable to convert template to yaml", e);
        } finally {
            urlConnection.disconnect();
        }
    }
    return configuration;
}

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