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.support.google.cloud.graal;
  
  import java.util.function.BooleanSupplier;
  
  import com.google.api.client.http.HttpTransport;
  import com.google.api.client.http.javanet.NetHttpTransport;
  import com.oracle.svm.core.annotate.Substitute;
  import com.oracle.svm.core.annotate.TargetClass;
  
  import static org.apache.camel.quarkus.support.google.cloud.graal.DefaultHttpTransportFactorySubstitutions.DefaultHttpTransportFactoryPresent;
  
  @TargetClass(className = "com.google.cloud.http.HttpTransportOptions$DefaultHttpTransportFactory", onlyWith = DefaultHttpTransportFactoryPresent.class)
  public final class DefaultHttpTransportFactorySubstitutions {
  
      @Substitute
      public HttpTransport create() {
          // Suppress creation of UrlFetchTransport for GAE which is not supported in native mode
          return new NetHttpTransport();
      }
  
      static final class DefaultHttpTransportFactoryPresent implements BooleanSupplier {
  
          @Override
          public boolean getAsBoolean() {
              try {
                  Thread.currentThread().getContextClassLoader()
                          .loadClass("com.google.cloud.http.HttpTransportOptions$DefaultHttpTransportFactory");
                  return true;
              } catch (ClassNotFoundException e) {
                  return false;
              }
          }
      }
  }
  