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.keystone.producer;
  
  import java.util.List;
  import java.util.Map;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.Message;
  import org.apache.camel.component.openstack.common.OpenstackConstants;
  import org.apache.camel.component.openstack.keystone.KeystoneConstants;
  import org.apache.camel.component.openstack.keystone.KeystoneEndpoint;
  import org.apache.camel.util.StringHelper;
  import org.openstack4j.api.Builders;
  import org.openstack4j.api.OSClient;
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.identity.v3.User;
  import org.openstack4j.model.identity.v3.builder.UserBuilder;
  
  public class UserProducer extends AbstractKeystoneProducer {
  
      public UserProducer(KeystoneEndpoint endpoint, OSClient client) {
          super(endpoint, client);
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          final 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.UPDATE:
                  doUpdate(exchange);
                  break;
              case OpenstackConstants.DELETE:
                  doDelete(exchange);
                  break;
              default:
                  throw new IllegalArgumentException("Unsupported operation " + operation);
          }
      }
  
      private void doCreate(Exchange exchange) {
          final User in = messageToUser(exchange.getIn());
          final User out = osV3Client.identity().users().create(in);
          exchange.getIn().setBody(out);
      }
  
      private void doGet(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String id
                  = msg.getHeader(OpenstackConstants.ID, msg.getHeader(KeystoneConstants.USER_ID, String.class), String.class);
          StringHelper.notEmpty(id, "User ID");
          final User result = osV3Client.identity().users().get(id);
          msg.setBody(result);
      }
  
      private void doGetAll(Exchange exchange) {
          final List<? extends User> out = osV3Client.identity().users().list();
          exchange.getIn().setBody(out);
      }
  
      private void doUpdate(Exchange exchange) {
          final Message msg = exchange.getIn();
          final User in = messageToUser(msg);
          final User out = osV3Client.identity().users().update(in);
          msg.setBody(out);
      }
  
      private void doDelete(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String id
                  = msg.getHeader(OpenstackConstants.ID, msg.getHeader(KeystoneConstants.USER_ID, String.class), String.class);
          StringHelper.notEmpty(id, "User ID");
          final ActionResponse response = osV3Client.identity().users().delete(id);
          checkFailure(response, exchange, "Delete user with ID " + id);
      }
  
      private User messageToUser(Message message) {
          User project = message.getBody(User.class);
  
          if (project == null) {
              Map headers = message.getHeaders();
              UserBuilder builder = Builders.user();
  
              StringHelper.notEmpty(message.getHeader(OpenstackConstants.NAME, String.class), "Name");
              builder.name(message.getHeader(OpenstackConstants.NAME, String.class));
  
              if (headers.containsKey(KeystoneConstants.DOMAIN_ID)) {
                  builder.domainId(message.getHeader(KeystoneConstants.DOMAIN_ID, String.class));
              }
  
              if (headers.containsKey(KeystoneConstants.DESCRIPTION)) {
                  builder.description(message.getHeader(KeystoneConstants.DESCRIPTION, String.class));
              }
  
              if (headers.containsKey(KeystoneConstants.PASSWORD)) {
                  builder.password(message.getHeader(KeystoneConstants.PASSWORD, String.class));
              }
  
              if (headers.containsKey(KeystoneConstants.EMAIL)) {
                  builder.email(message.getHeader(KeystoneConstants.EMAIL, String.class));
              }
  
              project = builder.build();
          }
          return project;
      }
  }
  