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.openstack.nova.producer;
  
  import java.util.List;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.Message;
  import org.apache.camel.component.openstack.common.AbstractOpenstackProducer;
  import org.apache.camel.component.openstack.common.OpenstackConstants;
  import org.apache.camel.component.openstack.nova.NovaEndpoint;
  import org.apache.camel.util.StringHelper;
  import org.openstack4j.api.OSClient;
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.compute.Keypair;
  
  public class KeypairProducer extends AbstractOpenstackProducer {
  
      public KeypairProducer(NovaEndpoint endpoint, OSClient client) {
          super(endpoint, client);
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          String operation = getOperation(exchange);
          switch (operation) {
              case OpenstackConstants.CREATE:
                  doCreate(exchange);
                  break;
              case OpenstackConstants.GET:
                  doGet(exchange);
                  break;
              case OpenstackConstants.GET_ALL:
                  doGetAll(exchange);
                  break;
              case OpenstackConstants.DELETE:
                  doDelete(exchange);
                  break;
              default:
                  throw new IllegalArgumentException("Unsupported operation " + operation);
          }
      }
  
      private void doCreate(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String name = msg.getHeader(OpenstackConstants.NAME, String.class);
          StringHelper.notEmpty(name, "Keypair name");
  
          final String body = msg.getBody(String.class);
          final Keypair kp = os.compute().keypairs().create(name, body);
          msg.setBody(kp);
      }
  
      private void doGet(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String keypairName = msg.getHeader(OpenstackConstants.NAME, String.class);
          StringHelper.notEmpty(keypairName, "Keypair name");
          final Keypair kp = os.compute().keypairs().get(keypairName);
          msg.setBody(kp);
      }
  
      private void doGetAll(Exchange exchange) {
          final Message msg = exchange.getIn();
          final List<? extends Keypair> keypairs = os.compute().keypairs().list();
          msg.setBody(keypairs);
      }
  
      private void doDelete(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String keypairName = msg.getHeader(OpenstackConstants.NAME, String.class);
          StringHelper.notEmpty(keypairName, "Keypair name");
          final ActionResponse response = os.compute().keypairs().delete(keypairName);
          checkFailure(response, exchange, "Delete keypair " + keypairName);
      }
  
  }
  