content: /*
   * Copyright 2010 Proofpoint, Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package io.airlift.json;
  
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.google.common.collect.ImmutableList;
  import com.google.common.collect.ImmutableMap;
  
  import java.io.ByteArrayInputStream;
  import java.io.InputStreamReader;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  import java.util.Optional;
  
  import static com.google.common.base.MoreObjects.toStringHelper;
  import static java.nio.charset.StandardCharsets.UTF_8;
  import static org.assertj.core.api.Assertions.assertThat;
  
  public class Person
  {
      private String name;
      private boolean rocks;
      private Optional<String> lastName;
  
      public static void validatePersonJsonCodec(JsonCodec<Person> jsonCodec)
      {
          // create object with null lastName
          Person expected = new Person().setName("dain").setRocks(true);
  
          String json = jsonCodec.toJson(expected);
          assertThat(json).doesNotContain("lastName");
          assertThat(jsonCodec.fromJson(json)).isEqualTo(expected);
  
          byte[] bytes = jsonCodec.toJsonBytes(expected);
          assertThat(jsonCodec.fromJson(bytes)).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new ByteArrayInputStream(bytes))).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new InputStreamReader(new ByteArrayInputStream(bytes), UTF_8))).isEqualTo(expected);
  
          // create object with missing lastName
          expected.setLastName(Optional.empty());
  
          json = jsonCodec.toJson(expected);
          assertThat(json).doesNotContain("lastName");
          assertThat(jsonCodec.fromJson(json)).isEqualTo(expected);
  
          bytes = jsonCodec.toJsonBytes(expected);
          assertThat(jsonCodec.fromJson(bytes)).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new ByteArrayInputStream(bytes))).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new InputStreamReader(new ByteArrayInputStream(bytes), UTF_8))).isEqualTo(expected);
  
          // create object with present lastName
          expected.setLastName(Optional.of("Awesome"));
  
          json = jsonCodec.toJson(expected);
          assertThat(json).contains("lastName");
          assertThat(jsonCodec.fromJson(json)).isEqualTo(expected);
  
          bytes = jsonCodec.toJsonBytes(expected);
          assertThat(jsonCodec.fromJson(bytes)).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new ByteArrayInputStream(bytes))).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new InputStreamReader(new ByteArrayInputStream(bytes), UTF_8))).isEqualTo(expected);
      }
  
      public static void validatePersonListJsonCodec(JsonCodec<List<Person>> jsonCodec)
      {
          ImmutableList<Person> expected = ImmutableList.of(
                  new Person().setName("dain").setRocks(true),
                  new Person().setName("martin").setRocks(true),
                  new Person().setName("mark").setRocks(true));
  
          String json = jsonCodec.toJson(expected);
          assertThat(jsonCodec.fromJson(json)).isEqualTo(expected);
  
          byte[] bytes = jsonCodec.toJsonBytes(expected);
          assertThat(jsonCodec.fromJson(bytes)).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new ByteArrayInputStream(bytes))).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new InputStreamReader(new ByteArrayInputStream(bytes), UTF_8))).isEqualTo(expected);
      }
  
      public static void validatePersonMapJsonCodec(JsonCodec<Map<String, Person>> jsonCodec)
      {
          ImmutableMap<String, Person> expected = ImmutableMap.<String, Person>builder()
                  .put("dain", new Person().setName("dain").setRocks(true))
                  .put("martin", new Person().setName("martin").setRocks(true))
                  .put("mark", new Person().setName("mark").setRocks(true))
                  .build();
  
          String json = jsonCodec.toJson(expected);
          assertThat(jsonCodec.fromJson(json)).isEqualTo(expected);
  
          byte[] bytes = jsonCodec.toJsonBytes(expected);
          assertThat(jsonCodec.fromJson(bytes)).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new ByteArrayInputStream(bytes))).isEqualTo(expected);
  
          assertThat(jsonCodec.fromJson(new InputStreamReader(new ByteArrayInputStream(bytes), UTF_8))).isEqualTo(expected);
      }
  
      @JsonProperty
      public String getName()
      {
          return name;
      }
  
      @JsonProperty
      public Person setName(String name)
      {
          this.name = name;
          return this;
      }
  
      @JsonProperty
      public boolean isRocks()
      {
          return rocks;
      }
  
      @JsonProperty
      public Person setRocks(boolean rocks)
      {
          this.rocks = rocks;
          return this;
      }
  
      @JsonProperty
      public Optional<String> getLastName()
      {
          return lastName;
      }
  
      @JsonProperty
      public void setLastName(Optional<String> lastName)
      {
          this.lastName = lastName;
      }
  
      @Override
      public boolean equals(Object obj)
      {
          if (this == obj) {
              return true;
          }
          if ((obj == null) || (getClass() != obj.getClass())) {
              return false;
          }
          Person o = (Person) obj;
          return Objects.equals(this.name, o.name) &&
                  Objects.equals(this.rocks, o.rocks);
      }
  
      @Override
      public int hashCode()
      {
          return Objects.hash(name, rocks);
      }
  
      @Override
      public String toString()
      {
          return toStringHelper(this)
                  .add("name", name)
                  .add("rocks", rocks)
                  .add("lastName", lastName)
                  .toString();
      }
  }
  