content: /*
   * Copyright 2021-2024 Aklivity Inc
   *
   * Licensed under the Aklivity Community License (the "License"); you may not use
   * this file except in compliance with the License.  You may obtain a copy of the
   * License at
   *
   *   https://www.aklivity.io/aklivity-community-license/
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OF ANY KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations under the License.
   */
  package io.aklivity.zilla.runtime.model.core.internal;
  
  import org.agrona.DirectBuffer;
  
  import io.aklivity.zilla.runtime.engine.EngineContext;
  import io.aklivity.zilla.runtime.engine.model.ValidatorHandler;
  import io.aklivity.zilla.runtime.engine.model.function.ValueConsumer;
  
  public class BooleanValidatorHandler implements ValidatorHandler
  {
      private static final byte TRUE = 0x01;
      private static final byte FALSE = 0x00;
  
      private final CoreModelEventContext event;
  
      public BooleanValidatorHandler(
          EngineContext context)
      {
          this.event = new CoreModelEventContext(context);
      }
  
      @Override
      public boolean validate(
          long traceId,
          long bindingId,
          int flags,
          DirectBuffer data,
          int index,
          int length,
          ValueConsumer next)
      {
          boolean valid = false;
  
          if (length == 1 && (flags & FLAGS_COMPLETE) != 0x00)
          {
              byte value = data.getByte(index);
              valid = value == TRUE || value == FALSE;
          }
  
          if (!valid)
          {
              event.validationFailure(traceId, bindingId, BooleanModel.NAME);
          }
  
          return valid;
      }
  }
  