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.maven.config;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  import io.debezium.config.Field;
  import org.apache.camel.util.ObjectHelper;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.kafka.common.config.ConfigDef;
  
  public final class ConnectorConfigFieldsFactory {
  
      private static final String[] ILLEGAL_CHARS = { "%", "+", "[", "]", "*", "(", ")", "ˆ", "@", "%", "~" };
  
      private ConnectorConfigFieldsFactory() {
      }
  
      public static Map<String, ConnectorConfigField> createConnectorFieldsAsMap(
              final ConfigDef configDef, final Class<?> configClass, final Set<String> requiredFields,
              final Map<String, Object> overriddenDefaultValues) {
          // first we extract deprecated fields
          final Set<String> deprecatedFields = getDeprecatedFieldsFromConfigClass(configClass);
  
          return createConnectorFieldsAsMap(configDef, deprecatedFields, requiredFields, overriddenDefaultValues);
      }
  
      public static Map<String, ConnectorConfigField> createConnectorFieldsAsMap(
              final ConfigDef configDef, final Set<String> deprecatedFields, final Set<String> requiredFields,
              final Map<String, Object> overriddenDefaultValues) {
          ObjectHelper.notNull(configDef, "configDef");
          ObjectHelper.notNull(deprecatedFields, "deprecatedFields");
          ObjectHelper.notNull(requiredFields, "requiredFields");
          ObjectHelper.notNull(overriddenDefaultValues, "overriddenDefaultValues");
  
          final Map<String, ConnectorConfigField> results = new HashMap<>();
  
          // create our map for fields
          configDef.configKeys().forEach((name, configKey) -> {
              // check if name is clean
              if (!StringUtils.containsAny(name, ILLEGAL_CHARS)) {
                  results.put(name,
                          new ConnectorConfigField(
                                  configKey, deprecatedFields.contains(name), requiredFields.contains(name),
                                  overriddenDefaultValues.getOrDefault(name, null)));
              }
          });
  
          return results;
      }
  
      private static Set<String> getDeprecatedFieldsFromConfigClass(final Class<?> configClass) {
          return Stream.of(configClass.getDeclaredFields())
                  .filter(field -> field.getAnnotation(Deprecated.class) != null)
                  .map(ConnectorConfigFieldsFactory::retrieveDbzFieldWithReflection)
                  .collect(Collectors.toSet());
      }
  
      private static String retrieveDbzFieldWithReflection(final java.lang.reflect.Field reflectionField) {
          try {
              return ((Field) reflectionField.get(null)).name();
          } catch (IllegalAccessException e) {
              throw new IllegalArgumentException("Error occurred in field : " + reflectionField.getName());
          }
      }
  }
  