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.component.salesforce;
  
  import java.util.Map;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.component.salesforce.internal.client.HttpClientHolder;
  import org.apache.camel.component.salesforce.internal.client.RestClient;
  import org.apache.camel.support.service.ServiceHelper;
  
  final class SalesforceClientTemplate {
  
      @FunctionalInterface
      interface RestClientSupplier {
          RestClient restClientWith(CamelContext camelContext, Map<String, Object> parameters) throws Exception;
      }
  
      @FunctionalInterface
      interface WithClient<T> {
          T invoke(RestClient client);
      }
  
      static RestClientSupplier restClientSupplier
              = (camelContext, parameters) -> SalesforceComponent.createRestClient(camelContext, parameters);
  
      private SalesforceClientTemplate() {
          // utility class
      }
  
      static <T> T invoke(final CamelContext camelContext, final Map<String, Object> parameters, final WithClient<T> performer)
              throws Exception {
  
          final RestClient client = restClientSupplier.restClientWith(camelContext, parameters);
  
          return invokeInternal(client, performer);
      }
  
      static <T> T invoke(
              final SalesforceComponent component, final Map<String, Object> parameters, final WithClient<T> performer)
              throws Exception {
  
          final RestClient client = component.createRestClient(parameters);
  
          return invokeInternal(client, performer);
      }
  
      private static <T> T invokeInternal(final RestClient client, final WithClient<T> performer) throws Exception {
          // we'll handle HTTP client lifecycle so we'll start here and stop at
          // the end; we won't handle SalesforceSession lifecycle as stoping a
          // SalesforceSession that we borrowed from a configured
          // SalesforceComponent could mean logging out any running endpoints also
          final boolean isHttpClientHolder = client instanceof HttpClientHolder;
          if (isHttpClientHolder) {
              ((HttpClientHolder) client).getHttpClient().start();
          }
  
          ServiceHelper.startService(client);
  
          try {
              return performer.invoke(client);
          } finally {
              ServiceHelper.stopService(client);
  
              if (isHttpClientHolder) {
                  ((HttpClientHolder) client).getHttpClient().stop();
              }
          }
      }
  }
  