performance/eclipselink.perf.test/src/test/java/org/eclipse/persistence/testing/perf/json/writer/JsonWriterBenchmark.java

/*
 * Copyright (c) 2014, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Martin Vojtek - 2.6.0 - initial implementation
package org.eclipse.persistence.testing.perf.json.writer;

import java.io.StringWriter;

import jakarta.json.Json;
import jakarta.json.JsonObject;
import jakarta.json.JsonWriter;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.infra.Blackhole;

/**
 * Tests JsonWriter.
 */
public class JsonWriterBenchmark {

    @Benchmark
    public void testJsonWriter(Blackhole bh) {
        JsonObject model = Json.createObjectBuilder()
                .add("firstName", "Duke")
                .add("lastName", "Java")
                .add("age", 18)
                .add("streetAddress", "100 Internet Dr")
                .add("city", "JavaTown")
                .add("state", "JA")
                .add("postalCode", "12345")
                .add("phoneNumbers", Json.createArrayBuilder()
                   .add(Json.createObjectBuilder()
                      .add("type", "mobile")
                      .add("number", "111-111-1111"))
                   .add(Json.createObjectBuilder()
                      .add("type", "home")
                      .add("number", "222-222-2222")))
                .build();

        StringWriter stWriter = new StringWriter();
        JsonWriter jsonWriter = Json.createWriter(stWriter);
        jsonWriter.writeObject(model);
        jsonWriter.close();

        bh.consume(stWriter.toString());
    }
}