/*
 * 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.jclouds.azureblob.blobstore.functions;

import javax.inject.Singleton;

import org.jclouds.azureblob.options.ListBlobsOptions;
import org.jclouds.blobstore.options.ListContainerOptions;

import com.google.common.base.Function;

@Singleton
public class ListBlobsOptionsToListOptions implements
         Function<ListBlobsOptions[], ListContainerOptions> {
   public ListContainerOptions apply(ListBlobsOptions[] optionsList) {
      ListContainerOptions options = new ListContainerOptions();
      if (optionsList.length != 0) {
         if (optionsList[0].getDelimiter() == null) {
            options.recursive();
         } else if (!optionsList[0].getDelimiter().equals("/")) {
            throw new IllegalArgumentException("only '/' is allowed as a blobstore delimiter");
         }
         if (optionsList[0].getMarker() != null) {
            options.afterMarker(optionsList[0].getMarker());
         }
         if (optionsList[0].getMaxResults() != null) {
            options.maxResults(optionsList[0].getMaxResults());
         }
         if (optionsList[0].getPrefix() != null) {
            options.inDirectory(optionsList[0].getPrefix());
         }
         if (optionsList[0].getIncludeMetadata()) {
            options.withDetails();
         }
      }
      return options;
   }
}
