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.swift.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.AbstractOpenstackProducer;
  import org.apache.camel.component.openstack.common.OpenstackConstants;
  import org.apache.camel.component.openstack.common.OpenstackException;
  import org.apache.camel.component.openstack.swift.SwiftConstants;
  import org.apache.camel.component.openstack.swift.SwiftEndpoint;
  import org.apache.camel.util.StringHelper;
  import org.openstack4j.api.OSClient;
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.common.Payload;
  import org.openstack4j.model.storage.object.SwiftObject;
  import org.openstack4j.model.storage.object.options.ObjectListOptions;
  import org.openstack4j.model.storage.object.options.ObjectLocation;
  
  public class ObjectProducer extends AbstractOpenstackProducer {
  
      public ObjectProducer(SwiftEndpoint 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;
              case SwiftConstants.GET_METADATA:
                  doGetMetadata(exchange);
                  break;
              case SwiftConstants.CREATE_UPDATE_METADATA:
                  doUpdateMetadata(exchange);
                  break;
              default:
                  throw new IllegalArgumentException("Unsupported operation " + operation);
          }
      }
  
      private void doCreate(Exchange exchange) {
          final Message msg = exchange.getIn();
          final Payload payload = createPayload(msg);
          final String containerName = msg.getHeader(SwiftConstants.CONTAINER_NAME, String.class);
          final String objectName = msg.getHeader(SwiftConstants.OBJECT_NAME, String.class);
          StringHelper.notEmpty(containerName, "Container name");
          StringHelper.notEmpty(objectName, "Object name");
          final String etag = os.objectStorage().objects().put(containerName, objectName, payload);
          msg.setBody(etag);
      }
  
      private void doGet(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String containerName = msg.getHeader(SwiftConstants.CONTAINER_NAME, String.class);
          final String objectName = msg.getHeader(SwiftConstants.OBJECT_NAME, String.class);
          StringHelper.notEmpty(containerName, "Container name");
          StringHelper.notEmpty(objectName, "Object name");
          final SwiftObject out = os.objectStorage().objects().get(containerName, objectName);
          msg.setBody(out);
      }
  
      private void doGetAll(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String name = msg.getHeader(SwiftConstants.CONTAINER_NAME, msg.getHeader(OpenstackConstants.NAME, String.class),
                  String.class);
          StringHelper.notEmpty(name, "Container name");
          final String path = msg.getHeader(SwiftConstants.PATH, String.class);
  
          List<? extends SwiftObject> out;
          if (path != null) {
              StringHelper.notEmpty(path, "Path");
              ObjectListOptions objectListOptions = ObjectListOptions.create();
              objectListOptions.startsWith(path).delimiter('/');
              out = os.objectStorage().objects().list(name, objectListOptions);
          } else {
              out = os.objectStorage().objects().list(name);
          }
  
          exchange.getIn().setBody(out);
      }
  
      private void doDelete(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String containerName = msg.getHeader(SwiftConstants.CONTAINER_NAME, String.class);
          final String objectName = msg.getHeader(SwiftConstants.OBJECT_NAME, String.class);
          StringHelper.notEmpty(containerName, "Container name");
          StringHelper.notEmpty(objectName, "Object name");
          final ActionResponse out = os.objectStorage().objects().delete(containerName, objectName);
          checkFailure(out, exchange, "Delete container");
      }
  
      private void doGetMetadata(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String containerName = msg.getHeader(SwiftConstants.CONTAINER_NAME, String.class);
          final String objectName = msg.getHeader(SwiftConstants.OBJECT_NAME, String.class);
          StringHelper.notEmpty(containerName, "Container name");
          StringHelper.notEmpty(objectName, "Object name");
  
          msg.setBody(os.objectStorage().objects().getMetadata(containerName, objectName));
      }
  
      private void doUpdateMetadata(Exchange exchange) {
          final Message msg = exchange.getIn();
          final String containerName = msg.getHeader(SwiftConstants.CONTAINER_NAME, String.class);
          final String objectName = msg.getHeader(SwiftConstants.OBJECT_NAME, String.class);
          StringHelper.notEmpty(containerName, "Container name");
          StringHelper.notEmpty(objectName, "Object name");
          final boolean success = os.objectStorage().objects().updateMetadata(ObjectLocation.create(containerName, objectName),
                  msg.getBody(Map.class));
          if (!success) {
              exchange.setException(new OpenstackException("Updating metadata was not successful"));
          }
      }
  }
  