Example usage for java.util Map forEach

List of usage examples for java.util Map forEach

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Introduction

In this page you can find the example usage for java.util Map forEach.

Prototype

default void forEach(BiConsumer<? super K, ? super V> action)

Source Link

Document

Performs the given action for each entry in this map until all entries have been processed or the action throws an exception.

Usage

From source file:org.wso2.carbon.identity.recovery.util.Utils.java

public static void updateChallengeQuestionsYAML(List<ChallengeQuestion> challengeQuestions)
        throws IdentityRecoveryException {

    final boolean[] error = { false };
    Map<String, List<ChallengeQuestion>> groupedByLocale = challengeQuestions.stream()
            .collect(Collectors.groupingBy(challengeQuestion -> challengeQuestion.getLocale()));
    groupedByLocale.forEach((key, value) -> {
        try {//  ww  w.j a  va  2 s  .  c  o  m
            updateChallengeQuestionsYAML(value, key);
        } catch (IdentityRecoveryException e) {
            log.error(String.format("Error while updating challenge questions from locale file %s", key));
            error[0] = true;
        }
    });

    if (error[0]) {
        throw new IdentityRecoveryException("Error while updating challenge questions");
    }

}

From source file:org.apache.fluo.recipes.core.combine.it.CombineQueueTreeIT.java

private static Map<String, Long> rollup(Map<String, Long> m, String rollupFields) {
    boolean useX = rollupFields.contains("x");
    boolean useY = rollupFields.contains("y");
    boolean useTime = rollupFields.contains("t");

    Map<String, Long> ret = new HashMap<>();
    m.forEach((k, v) -> {
        String[] fields = k.split(":");
        String nk = (useX ? fields[0] : "") + (useY ? ((useX ? ":" : "") + fields[1]) : "")
                + (useTime ? ((useX || useY ? ":" : "") + fields[2]) : "");

        ret.merge(nk, v, Long::sum);
    });/*from  ww  w. j  a v  a 2 s  .  c  o  m*/
    return ret;
}

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

@VisibleForTesting
static Map<String, String> getDocStringsFromJsonResource(ClassLoader classLoader, String jsonResourcePath) {
    ImmutableMap.Builder<String, String> docStrings = ImmutableMap.builder();
    try (InputStream in = classLoader.getResourceAsStream(jsonResourcePath)) {
        if (in == null) {
            throw new IllegalStateException("not found: " + jsonResourcePath);
        }// w  ww .  j av a2s  . c  o  m

        final Map<String, Object> json = new ObjectMapper().readValue(in, JSON_VALUE_TYPE);
        @SuppressWarnings("unchecked")
        final Map<String, Object> namespaces = (Map<String, Object>) json.getOrDefault("namespaces",
                ImmutableMap.of());
        final String packageName = (String) namespaces.get("java");
        json.forEach((key, children) -> {
            if (children instanceof Collection) {
                ((Collection) children).forEach(grandChild -> {
                    traverseChildren(docStrings, packageName, FQCN_DELIM, grandChild);
                });
            }
        });

        return docStrings.build();
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}

From source file:com.github.mavogel.ilias.printer.VelocityOutputPrinter.java

/**
 * Prints the header, content and output to the given print stream with a custom template.
 *
 * @param outputType   the desired output type. @see {@link OutputType}
 * @param templateName the name of the template
 * @param contextMap   the context for velocity
 * @throws Exception in case of a error, so the caller can handle it
 *///from  ww  w.  ja  va  2s .c o m
private static void printWithCustomTemplate(final OutputType outputType, final String templateName,
        final Map<String, Object> contextMap) throws Exception {
    Velocity.init();
    Writer writer = null;
    try {
        final Template template = Velocity.getTemplate(templateName);
        final VelocityContext context = new VelocityContext();
        contextMap.forEach((k, v) -> context.put(k, v));
        writer = new BufferedWriter(createFileWriter(outputType, templateName));

        template.merge(context, writer);
        writer.flush();
    } catch (ResourceNotFoundException rnfe) {
        LOG.error("Couldn't find the template with name '" + templateName + "'");
        throw new Exception(rnfe.getMessage());
    } catch (ParseErrorException pee) {
        LOG.error("Syntax error: problem parsing the template ' " + templateName + "': " + pee.getMessage());
        throw new Exception(pee.getMessage());
    } catch (MethodInvocationException mie) {
        LOG.error(
                "An invoked method on the template '" + templateName + "' threw an error: " + mie.getMessage());
        throw new Exception(mie.getMessage());
    } catch (Exception e) {
        LOG.error("Error: " + e.getMessage());
        throw e;
    } finally {
        if (writer != null)
            writer.close();
    }
}

From source file:org.gerzog.jstataggr.core.collector.impl.StatisticsCollector.java

protected static CollectorClassInfo generateClassInfo(final Class<?> clazz,
        final Map<IStatisticsField, FieldInfo> fieldInfo) {
    final CollectorClassInfo result = new CollectorClassInfo(clazz);
    final Map<String, Class<?>> methodInfo = new HashMap<>();

    fieldInfo.forEach((statisticsInfo, bucketInfo) -> {
        propogate(() -> {//from w w  w  . ja  va 2 s.  co m
            final MethodHandle accessMethod = statisticsInfo.getAccessMethodHandle(clazz);

            bucketInfo.setAccessor(accessMethod);

            if (statisticsInfo.isAggregator()) {
                result.getUpdaters().add(bucketInfo);
            } else {
                result.getKeys().put(bucketInfo.getName(), bucketInfo);
            }

            methodInfo.put(statisticsInfo.getFieldName(), statisticsInfo.getMethodType());
        });
    });

    final BeanGenerator externalBeanGenerator = new BeanGenerator();
    BeanGenerator.addProperties(externalBeanGenerator, methodInfo);

    result.setExternalEntityClass((Class<?>) externalBeanGenerator.createClass());

    return result;
}

From source file:de.bund.bfr.math.MathUtils.java

public static Map<String, UnivariateFunction> createInterpolationFunctions(
        Map<String, List<Double>> variableValues, String timeVariable, InterpolationFactory interpolator) {
    Map<String, UnivariateFunction> variableFunctions = new LinkedHashMap<>();

    variableValues.forEach((var, values) -> {
        if (!var.equals(timeVariable)) {
            variableFunctions.put(var, interpolator.createInterpolationFunction(
                    Doubles.toArray(variableValues.get(timeVariable)), Doubles.toArray(values)));
        }//  www.j  a  va  2 s.c o m
    });

    return variableFunctions;
}

From source file:com.streamsets.pipeline.lib.jdbc.multithread.util.OffsetQueryUtil.java

public static String getOffsetFormat(Map<String, ?> columnsToOffsets) {
    List<String> offsetColumnFormat = new ArrayList<>();
    if (columnsToOffsets != null) {
        columnsToOffsets.forEach(
                (col, off) -> offsetColumnFormat.add(String.format(OFFSET_COLUMN_NAME_VALUE, col, off)));
    }/*w w  w  .j  av a  2  s .c  om*/
    return OFFSET_COLUMN_JOINER.join(offsetColumnFormat);
}

From source file:com.hurence.logisland.plugin.PluginManager.java

private static void listPlugins() {
    Map<ModuleInfo, List<String>> moduleMapping = findPluginMeta();

    System.out.println();/*from www  .  j  ava  2s  . c o  m*/
    System.out.println("Listing details for " + moduleMapping.size() + " installed modules.");
    System.out.println("==============================================================");
    System.out.println();
    moduleMapping.forEach((c, l) -> {
        System.out.println("Artifact: " + c.getArtifact());
        System.out.println("Name: " + c.getName());
        System.out.println("Version: " + c.getVersion());
        System.out.println("Location: " + c.getSourceArchive());
        System.out.println("Components provided:");
        l.forEach(ll -> System.out.println("\t" + ll));
        System.out.println("\n-----------------------------------------------------------\n");
    });
}

From source file:core.Web.java

public static String httpRequest(URL url, Map<String, String> properties, JSONObject message) {
    //        System.out.println(url);
    try {//from   w  w w  .  j a v a  2s .  c o  m
        // Create connection
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        //connection.addRequestProperty("Authorization", API_KEY);
        // Set properties if needed
        if (properties != null && !properties.isEmpty()) {
            properties.forEach(connection::setRequestProperty);
        }
        // Post message
        if (message != null) {
            // Maybe somewhere
            connection.setDoOutput(true);
            //                connection.setRequestProperty("Accept", "application/json");
            try (BufferedWriter writer = new BufferedWriter(
                    new OutputStreamWriter(connection.getOutputStream()))) {
                writer.write(message.toString());
            }
        }
        // Establish connection
        connection.connect();
        int responseCode = connection.getResponseCode();

        if (responseCode != 200) {
            System.err.println("Error " + responseCode + ":" + url);
            return null;
        }

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
            String line;
            String content = "";
            while ((line = reader.readLine()) != null) {
                content += line;
            }
            return content;
        }

    } catch (IOException ex) {
        Logger.getLogger(Web.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

From source file:core.Web.java

public static JSONObject httpsRequest(URL url, Map<String, String> properties, JSONObject message) {
    //        System.out.println(url);
    try {/*w ww  . j  a v a 2s.c  o m*/
        // Create connection
        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
        //connection.addRequestProperty("Authorization", API_KEY);
        // Set properties if needed
        if (properties != null && !properties.isEmpty()) {
            properties.forEach(connection::setRequestProperty);
        }
        // Post message
        if (message != null) {
            // Maybe somewhere
            connection.setDoOutput(true);
            try (BufferedWriter writer = new BufferedWriter(
                    new OutputStreamWriter(connection.getOutputStream()))) {
                writer.write(message.toString());
            }
        }
        // Establish connection
        connection.connect();
        int responseCode = connection.getResponseCode();

        if (responseCode != 200) {
            throw new RuntimeException("Response code was not 200. Detected response was " + responseCode);
        }

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
            String line;
            String content = "";
            while ((line = reader.readLine()) != null) {
                content += line;
            }
            return new JSONObject(content);
        }

    } catch (IOException ex) {
        Logger.getLogger(Web.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}