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.ambari.server.api.handlers;
  
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.api.services.RequestBody;
  import org.apache.ambari.server.api.services.Result;
  import org.apache.ambari.server.api.services.ResultImpl;
  import org.apache.ambari.server.api.services.ResultMetadata;
  import org.apache.ambari.server.api.services.ResultStatus;
  import org.apache.ambari.server.controller.internal.OperationStatusMetaData;
  import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
  import org.apache.ambari.server.controller.spi.RequestStatus;
  import org.apache.ambari.server.controller.spi.RequestStatusMetaData;
  import org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException;
  import org.apache.ambari.server.controller.spi.SystemException;
  import org.apache.ambari.server.controller.spi.UnsupportedPropertyException;
  import org.apache.ambari.server.security.authorization.AuthorizationException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * Responsible for create requests.
   */
  public class CreateHandler extends BaseManagementHandler {
  
    private final static Logger LOG = LoggerFactory.getLogger(CreateHandler.class);
  
    @Override
    protected Result persist(ResourceInstance resource, RequestBody body) {
      Result result;
      try {
        RequestStatus status = getPersistenceManager().create(resource, body);
  
        result = createResult(status);
  
        if (result.isSynchronous()) {
          if (resource.getResourceDefinition().isCreatable()) {
            result.setResultStatus(new ResultStatus(ResultStatus.STATUS.CREATED));
          } else {
            result.setResultStatus(new ResultStatus(ResultStatus.STATUS.OK));
          }
        } else {
          result.setResultStatus(new ResultStatus(ResultStatus.STATUS.ACCEPTED));
        }
  
      } catch (AuthorizationException e) {
        result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.FORBIDDEN, e.getMessage()));
      } catch (UnsupportedPropertyException e) {
        result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.BAD_REQUEST, e.getMessage()));
        LOG.error("Bad request received: " + e.getMessage());
      } catch (NoSuchParentResourceException e) {
        //todo: is this the correct status code?
        result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.NOT_FOUND, e.getMessage()));
      } catch (SystemException e) {
        if (LOG.isErrorEnabled()) {
          LOG.error("Caught a system exception while attempting to create a resource: {}", e.getMessage(), e);
        }
        result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.SERVER_ERROR, e.getMessage()));
      } catch (ResourceAlreadyExistsException e) {
        result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.CONFLICT, e.getMessage()));
      } catch(IllegalArgumentException e) {
        LOG.error("Bad request received: " + e.getMessage(), e);
        result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.BAD_REQUEST, e.getMessage()));
      } catch (RuntimeException e) {
        if (LOG.isErrorEnabled()) {
          LOG.error("Caught a runtime exception while attempting to create a resource: {}", e.getMessage(), e);
        }
        //result = new ResultImpl(new ResultStatus(ResultStatus.STATUS.SERVER_ERROR, e.getMessage()));
        throw e;
      }
      return result;
    }
  
    @Override
    protected ResultMetadata convert(RequestStatusMetaData requestStatusMetaData) {
      if (requestStatusMetaData == null) {
        return null;
      }
  
      if (requestStatusMetaData.getClass() == OperationStatusMetaData.class) {
        return (OperationStatusMetaData) requestStatusMetaData;
      } else {
        throw new IllegalArgumentException(String.format("RequestStatusDetails is of an expected type: %s",
            requestStatusMetaData.getClass().getName()));
      }
    }
  }
  