Example usage for org.apache.commons.collections4 MapUtils emptyIfNull

Introduction

In this page you can find the example usage for org.apache.commons.collections4 MapUtils emptyIfNull.

Prototype

public static <K, V> Map<K, V> emptyIfNull(final Map<K, V> map) 

Source Link

Document

Returns an immutable empty map if the argument is null, or the argument itself otherwise.

Usage

From source file:com.kumarvv.setl.model.Row.java

public Row(Map<String, Integer> columns, Map<String, Object> data) {
    this.columns = MapUtils.emptyIfNull(columns);
    this.data = MapUtils.emptyIfNull(data);
}

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From source file:com.kumarvv.setl.core.Loader.java

/**
 * initialize load TO columns - from datasource if not found already
 *
 * @param load/*from   ww w.  j  a va 2s  .  c  o m*/
 * @param jrs
 */
protected void initLoadToColumns(Load load, JdbcRowSet jrs) {
    if (load == null || MapUtils.isNotEmpty(load.getToColumns())) {
        return;
    }
    Map<String, Integer> mcs = rowSetUtil.getMetaColumns(jrs);
    Map<String, Integer> lcs = new HashMap<>();
    for (String c : MapUtils.emptyIfNull(mcs).keySet()) {
        lcs.put(c, mcs.get(c));
    }
    load.setToColumns(lcs);
}

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From source file:org.apache.metron.profiler.bolt.KafkaEmitter.java

/**
 * Appends triage values obtained from a {@code ProfileMeasurement} to the
 * outgoing message.// w w w  . j av a  2s . c o  m
 *
 * @param measurement The measurement that may contain triage values.
 * @param message The message that the triage values are appended to.
 */
private void appendTriageValues(ProfileMeasurement measurement, JSONObject message) {

    // for each triage value...
    Map<String, Object> triageValues = MapUtils.emptyIfNull(measurement.getTriageValues());
    triageValues.forEach((key, value) -> {

        // append the triage value to the message
        if (isValidType(value)) {
            message.put(key, value);

        } else {
            LOG.error(String.format(
                    "triage expression must result in primitive type, skipping; type=%s, profile=%s, entity=%s, expr=%s",
                    ClassUtils.getShortClassName(value, "null"), measurement.getDefinition().getProfile(),
                    measurement.getEntity(), key));
        }
    });
}

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From source file:org.apache.metron.profiler.DefaultProfileBuilder.java

/**
 * Executes a set of expressions whose results need to be assigned to a variable.
 *
 * @param expressions Maps the name of a variable to the expression whose result should be assigned to it.
 * @param transientState Additional transient state provided to the expression.
 * @param expressionType The type of expression; init, update, result.  Provides additional context if expression execution fails.
 */// www .  ja  v  a 2 s.  c o  m
private void assign(Map<String, String> expressions, Map<String, Object> transientState,
        String expressionType) {

    // for each expression...
    for (Map.Entry<String, String> entry : MapUtils.emptyIfNull(expressions).entrySet()) {
        String var = entry.getKey();
        String expr = entry.getValue();

        try {

            // assign the result of the expression to the variable
            executor.assign(var, expr, transientState);

        } catch (Throwable e) {

            // in-scope variables = persistent state maintained by the profiler + the transient state
            Set<String> variablesInScope = new HashSet<>();
            variablesInScope.addAll(transientState.keySet());
            variablesInScope.addAll(executor.getState().keySet());

            String msg = format(
                    "Bad '%s' expression: error='%s', expr='%s', profile='%s', entity='%s', variables-available='%s'",
                    expressionType, e.getMessage(), expr, profileName, entity, variablesInScope);
            LOG.error(msg, e);
            throw new ParseException(msg, e);
        }
    }
}

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From source file:org.apache.metron.profiler.ProfileBuilder.java

/**
 * Executes a set of expressions whose results need to be assigned to a variable.
 * @param expressions Maps the name of a variable to the expression whose result should be assigned to it.
 * @param transientState Additional transient state provided to the expression.
 * @param expressionType The type of expression; init, update, result.  Provides additional context if expression execution fails.
 */// ww w  .j  a  v a2  s.  co m
private void assign(Map<String, String> expressions, Map<String, Object> transientState,
        String expressionType) {
    try {

        // execute each of the 'update' expressions
        MapUtils.emptyIfNull(expressions).forEach((var, expr) -> executor.assign(var, expr, transientState));

    } catch (ParseException e) {

        // make it brilliantly clear that one of the 'update' expressions is bad
        String msg = format("Bad '%s' expression: %s, profile=%s, entity=%s", expressionType, e.getMessage(),
                profileName, entity);
        throw new ParseException(msg, e);
    }
}

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From source file:org.apache.syncope.core.misc.security.AuthContextUtils.java

public static Map<String, Set<String>> getAuthorizations() {
    Map<String, Set<String>> result = null;

    final SecurityContext ctx = SecurityContextHolder.getContext();
    if (ctx != null && ctx.getAuthentication() != null && ctx.getAuthentication().getAuthorities() != null) {
        result = new HashMap<>();
        for (GrantedAuthority authority : ctx.getAuthentication().getAuthorities()) {
            if (authority instanceof SyncopeGrantedAuthority) {
                result.put(SyncopeGrantedAuthority.class.cast(authority).getAuthority(),
                        SyncopeGrantedAuthority.class.cast(authority).getRealms());
            }//from  w  ww .jav a 2  s .co  m
        }
    }

    return MapUtils.emptyIfNull(result);
}

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From source file:org.ligoj.app.plugin.security.fortify.FortifyPluginResource.java

@SuppressWarnings("unchecked")
@Override//from   ww  w. j a v  a 2 s .c o  m
public String getVersion(final Map<String, String> parameters) throws Exception {
    final FortifyCurlProcessor processor = newFortifyCurlProcessor(parameters);
    final String url = StringUtils.appendIfMissing(parameters.get(PARAMETER_URL), "/")
            + "api/v1/userSession/info";
    final CurlRequest request = new CurlRequest("POST", url, "{}", "Accept: application/json");
    request.setSaveResponse(true);
    processor.process(request);
    processor.close();
    final String content = ObjectUtils.defaultIfNull(request.getResponse(), "{}");
    final Map<String, ?> data = MapUtils
            .emptyIfNull((Map<String, ?>) objectMapper.readValue(content, Map.class).get("data"));
    return (String) data.get("webappVersion");
}

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From source file:org.ligoj.app.plugin.security.fortify.FortifyPluginResource.java

/**
 * Validate the project configuration.//from  ww w .j a  v  a2s .  c o m
 *
 * @param parameters
 *            The project parameters.
 * @return true if the project exists.
 */
protected FortifyProject validateProject(final Map<String, String> parameters) throws IOException {
    final FortifyCurlProcessor processor = newFortifyCurlProcessor(parameters);
    try {
        // Check the project exists and get the name
        @SuppressWarnings("unchecked")
        final Map<String, Object> projectMap = MapUtils
                .emptyIfNull((Map<String, Object>) getFortifyResource(parameters,
                        API_PROJECTS + parameters.get(PARAMETER_KEY) + "?fields=id,name", processor));
        if (projectMap.isEmpty()) {
            // Project does not exist
            throw new ValidationJsonException(PARAMETER_KEY, "fortify-project");
        }
        final FortifyProject project = toProject(projectMap);

        // Check the projectVersion is within this project
        final String version = parameters.get(PARAMETER_VERSION);
        @SuppressWarnings("unchecked")
        final List<Map<String, Object>> versions = (List<Map<String, Object>>) getFortifyResource(parameters,
                API_PROJECTS + parameters.get(PARAMETER_KEY) + "/versions?fields=id,name", processor);
        project.setVersion(versions.stream().filter(map -> map.get("id").toString().equals(version)).findFirst()
                .orElseThrow(() -> new ValidationJsonException(PARAMETER_VERSION, "fortify-version"))
                .get("name").toString());

        // Get the project versions measures
        @SuppressWarnings("unchecked")
        final List<Map<String, Object>> measures = (List<Map<String, Object>>) getFortifyResource(parameters,
                API_PROJECT_VERSIONS + version + "/performanceIndicatorHistories", processor);
        measures.forEach(
                map -> project.getMeasures().put(map.get("id").toString(), map.get("value").toString()));
        return project;
    } finally {
        processor.close();
    }

}

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