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.ical.deployment;
  
  import java.util.function.BooleanSupplier;
  
  import com.oracle.svm.core.annotate.Substitute;
  import com.oracle.svm.core.annotate.TargetClass;
  import net.fortuna.ical4j.model.parameter.Schema;
  import net.fortuna.ical4j.model.property.StructuredData;
  import net.fortuna.ical4j.validate.Validator;
  import net.fortuna.ical4j.validate.schema.SchemaValidatorFactory;
  
  /**
   * Cuts out paths to optional JsonSchemaValidator. Only required if STRUCTURED-DATA elements are present
   * in the calendar definition. See RFC 9073.
   */
  @TargetClass(value = SchemaValidatorFactory.class, onlyWith = IsJsonSkemaAbsent.class)
  final class SchemaValidatorFactorySubstitutions {
      @Substitute
      public static Validator<StructuredData> newInstance(Schema schema) {
          throw new UnsupportedOperationException(
                  "iCalendar JSON schema validation is unavailable. Add com.github.erosb:json-sKema to the application classpath");
      }
  }
  
  final class IsJsonSkemaAbsent implements BooleanSupplier {
      @Override
      public boolean getAsBoolean() {
          try {
              Class.forName("com.github.erosb.jsonsKema.Schema", false, Thread.currentThread().getContextClassLoader());
              return false;
          } catch (ClassNotFoundException e) {
              return true;
          }
      }
  }
  