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.camel.quarkus.component.dataformats.json.jsonb;
  
  import java.lang.reflect.ParameterizedType;
  import java.lang.reflect.Type;
  import java.util.Arrays;
  
  public class ParamType implements ParameterizedType {
      private final Type rawType;
      private final Type[] types;
  
      public ParamType(final Type raw, final Type... types) {
          if (raw == null) {
              final ParameterizedType userFinalType = findUserParameterizedType();
              this.rawType = userFinalType.getRawType();
              this.types = userFinalType.getActualTypeArguments();
          } else {
              this.rawType = raw;
              this.types = types;
          }
      }
  
      private ParameterizedType findUserParameterizedType() {
          final Type genericSuperclass = getClass().getGenericSuperclass();
          if (!ParameterizedType.class.isInstance(genericSuperclass)) {
              throw new IllegalArgumentException("raw can be null only for children classes");
          }
          final ParameterizedType pt = ParameterizedType.class.cast(genericSuperclass); // our type, then unwrap it
  
          final Type userType = pt.getActualTypeArguments()[0];
          if (!ParameterizedType.class.isInstance(userType)) {
              throw new IllegalArgumentException("You need to pass a parameterized type to Johnzon*Types");
          }
  
          return ParameterizedType.class.cast(userType);
      }
  
      @Override
      public Type[] getActualTypeArguments() {
          return types.clone();
      }
  
      @Override
      public Type getOwnerType() {
          return null;
      }
  
      @Override
      public Type getRawType() {
          return rawType;
      }
  
      @Override
      public int hashCode() {
          return Arrays.hashCode(types) ^ (rawType == null ? 0 : rawType.hashCode());
      }
  
      @Override
      public boolean equals(final Object obj) {
          if (this == obj) {
              return true;
          } else if (obj instanceof ParameterizedType) {
              final ParameterizedType that = (ParameterizedType) obj;
              final Type thatRawType = that.getRawType();
              return that.getOwnerType() == null
                      && (rawType == null ? thatRawType == null : rawType.equals(thatRawType))
                      && Arrays.equals(types, that.getActualTypeArguments());
          } else {
              return false;
          }
      }
  
      @Override
      public String toString() {
          final StringBuilder buffer = new StringBuilder();
          buffer.append(((Class<?>) rawType).getSimpleName());
          final Type[] actualTypes = getActualTypeArguments();
          if (actualTypes.length > 0) {
              buffer.append("<");
              int length = actualTypes.length;
              for (int i = 0; i < length; i++) {
                  buffer.append(actualTypes[i].toString());
                  if (i != actualTypes.length - 1) {
                      buffer.append(",");
                  }
              }
  
              buffer.append(">");
          }
          return buffer.toString();
      }
  }
  