content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.kafka.connect.runtime.rest.entities;
  
  import org.apache.kafka.connect.runtime.isolation.PluginDesc;
  import org.apache.kafka.connect.runtime.isolation.PluginType;
  
  import com.fasterxml.jackson.annotation.JsonCreator;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonProperty;
  
  import java.util.Objects;
  
  public class PluginInfo {
      private final String className;
      private final PluginType type;
      private final String version;
  
      @JsonCreator
      public PluginInfo(
          @JsonProperty("class") String className,
          @JsonProperty("type") PluginType type,
          @JsonProperty("version") String version
      ) {
          this.className = className;
          this.type = type;
          this.version = version;
      }
  
      public PluginInfo(PluginDesc<?> plugin) {
          this(plugin.className(), plugin.type(), plugin.version());
      }
  
      @JsonProperty("class")
      public String className() {
          return className;
      }
  
      @JsonProperty("type")
      public String type() {
          return type.toString();
      }
  
      @JsonProperty("version")
      @JsonInclude(value = JsonInclude.Include.CUSTOM, valueFilter = NoVersionFilter.class)
      public String version() {
          return version;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          PluginInfo that = (PluginInfo) o;
          return Objects.equals(className, that.className) &&
                 Objects.equals(type, that.type) &&
                 Objects.equals(version, that.version);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(className, type, version);
      }
  
      @Override
      public String toString() {
          return "PluginInfo{" + "className='" + className + '\'' +
                  ", type=" + type.toString() +
                  ", version='" + version + '\'' +
                  '}';
      }
  
      public static final class NoVersionFilter {
          // This method is used by Jackson to filter the version field for plugins that don't have a version
          public boolean equals(Object obj) {
              return PluginDesc.UNDEFINED_VERSION.equals(obj);
          }
  
          // Dummy hashCode method to not fail compilation because of equals() method
          @Override
          public int hashCode() {
              return super.hashCode();
          }
      }
  }
  