Example usage for javax.json JsonArrayBuilder addNull

Introduction

In this page you can find the example usage for javax.json JsonArrayBuilder addNull.

Prototype

JsonArrayBuilder addNull();

Source Link

Document

Adds a JsonValue#NULL value to the array.

Usage

From source file:com.buffalokiwi.aerodrome.jet.Utils.java

/**
 * Turn some list of Jsonable into a json array 
 * @param <T>/*  w  ww .  ja  va  2 s  .  c  o  m*/
 * @param data list
 * @return json array 
 */
public static <T extends Object> JsonArray toJsonArray(List<T> data) {
    final JsonArrayBuilder out = Json.createArrayBuilder();

    for (final Object obj : data) {
        if (obj == null)
            out.addNull();
        else if (obj instanceof Jsonable)
            out.add(((Jsonable) obj).toJSON());
        else if (obj instanceof JsonValue)
            out.add((JsonValue) obj);
        else if (obj instanceof BigDecimal)
            out.add((BigDecimal) obj);
        else if (obj instanceof BigInteger)
            out.add((BigInteger) obj);
        else if (obj instanceof Integer)
            out.add((Integer) obj);
        else if (obj instanceof Long)
            out.add((Long) obj);
        else if (obj instanceof Double)
            out.add((Double) obj);
        else if (obj instanceof Boolean)
            out.add((Boolean) obj);
        else if (obj instanceof JsonObjectBuilder)
            out.add((JsonObjectBuilder) obj);
        else if (obj instanceof JsonArrayBuilder)
            out.add((JsonArrayBuilder) obj);
        else
            out.add(obj.toString());
    }

    return out.build();
}

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