Example usage for io.vertx.core MultiMap isEmpty

Introduction

In this page you can find the example usage for io.vertx.core MultiMap isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Return true if empty

Usage

From source file:co.runrightfast.core.utils.VertxUtils.java

License:Apache License

static JsonObject toJsonObject(@NonNull final MultiMap map) {
    if (map.isEmpty()) {
        return EMPTY_OBJECT;
    }/*  w w w. j  ava 2s .  com*/

    final JsonObjectBuilder json = Json.createObjectBuilder();
    map.names().stream().forEach(name -> {
        final List<String> values = map.getAll(name);
        if (values.size() == 1) {
            json.add(name, values.get(0));
        } else {
            json.add(name, JsonUtils.toJsonArray(values));
        }
    });
    return json.build();
}

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