/**
    *
    * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com>
    *
    * ====================================================================
    * Licensed 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.jclouds.s3.handlers;
  
  import static com.google.common.base.Predicates.equalTo;
  import static com.google.common.base.Predicates.not;
  import static com.google.common.collect.Iterables.filter;
  import static com.google.common.collect.Lists.newArrayList;
  import static org.jclouds.s3.reference.S3Constants.PROPERTY_S3_SERVICE_PATH;
  import static org.jclouds.s3.reference.S3Constants.PROPERTY_S3_VIRTUAL_HOST_BUCKETS;
  
  import java.util.List;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.jclouds.aws.domain.AWSError;
  import org.jclouds.aws.handlers.ParseAWSErrorFromXmlContent;
  import org.jclouds.aws.util.AWSUtils;
  import org.jclouds.blobstore.ContainerNotFoundException;
  import org.jclouds.blobstore.KeyNotFoundException;
  import org.jclouds.http.HttpCommand;
  import org.jclouds.http.HttpResponse;
  import org.jclouds.rest.ResourceNotFoundException;
  
  import com.google.common.base.Joiner;
  import com.google.common.base.Splitter;
  
  /**
   * @author Adrian Cole
   * 
   */
  @Singleton
  public class ParseS3ErrorFromXmlContent extends ParseAWSErrorFromXmlContent {
  
     private final String servicePath;
     private final boolean isVhostStyle;
  
     @Inject
     ParseS3ErrorFromXmlContent(AWSUtils utils, @Named(PROPERTY_S3_VIRTUAL_HOST_BUCKETS) boolean isVhostStyle,
              @Named(PROPERTY_S3_SERVICE_PATH) String servicePath) {
        super(utils);
        this.servicePath = servicePath;
        this.isVhostStyle = isVhostStyle;
     }
  
     protected Exception refineException(HttpCommand command, HttpResponse response, Exception exception, AWSError error,
              String message) {
        switch (response.getStatusCode()) {
           case 404:
              if (!command.getCurrentRequest().getMethod().equals("DELETE")) {
                 exception = new ResourceNotFoundException(message, exception);
                 if (isVhostStyle) {
                    String container = command.getCurrentRequest().getEndpoint().getHost();
                    String key = command.getCurrentRequest().getEndpoint().getPath();
                    if (key == null || key.equals("/"))
                       exception = new ContainerNotFoundException(container, message);
                    else
                       exception = new KeyNotFoundException(container, key, message);
                 } else if (command.getCurrentRequest().getEndpoint().getPath().indexOf(servicePath + "/") == 0) {
                    String path = command.getCurrentRequest().getEndpoint().getPath().substring(servicePath.length());
                    List<String> parts = newArrayList(filter(Splitter.on('/').split(path), not(equalTo(""))));
                    if (parts.size() == 1) {
                       exception = new ContainerNotFoundException(parts.get(0), message);
                    } else if (parts.size() > 1) {
                       exception = new KeyNotFoundException(parts.remove(0), Joiner.on('/').join(parts), message);
                    }
                 }
              }
              return exception;
           default:
              return super.refineException(command, response, exception, error, message);
        }
     }
  }