/*

  * 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.shindig.social.core.util.atom;

 import org.apache.shindig.social.opensocial.spi.DataCollection;

 import org.apache.shindig.social.opensocial.spi.RestfulCollection;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.List;

 import java.util.Map;

 import java.util.Map.Entry;

 /**

  * represents an atom:feed entry

  */

 public class AtomFeed {

   @SuppressWarnings("unchecked")

   private Collection entry;

   @SuppressWarnings("unused")

   private int startIndex;

   @SuppressWarnings("unused")

   private int totalResults;

   @SuppressWarnings("unused")

   private int itemsPerPage;

   @SuppressWarnings("unused")

   private String author;

   @SuppressWarnings("unused")

   private AtomLink link;

   /**

    * @param obj

    */

   @SuppressWarnings("unchecked")

   public AtomFeed(Object obj) {

     if (obj instanceof Map) {

       Map<?, ?> m = (Map<?, ?>) obj;

       entry = new ArrayList();

       for ( Entry<?, ?> o : m.entrySet()) {

         entry.add(new AtomEntry(o));

       }

       startIndex = 0;

       totalResults = entry.size();

       itemsPerPage = entry.size();

     } else if (obj instanceof RestfulCollection<?>) {

       RestfulCollection<?> r = (RestfulCollection<?>) obj;

       entry = new ArrayList();

       List<?> entryList = r.getEntry();

       for (Object o : entryList) {

         entry.add(new AtomEntry(o));

       }

       startIndex = r.getStartIndex();

       totalResults = r.getTotalResults();

       itemsPerPage = entryList.size();

       author = "?";

       link = new AtomLink("rel", "???");

     } else if ( obj instanceof DataCollection ) {

       DataCollection dc = (DataCollection) obj;

       entry = new ArrayList();

       for ( Entry<String, Map<String,String>> o : dc.getEntry().entrySet()) {

         entry.add(new AtomEntry(o));

       }

       startIndex = 0;

       totalResults = entry.size();

       itemsPerPage = entry.size();

     } else {

       entry = new ArrayList();

       entry.add(new AtomEntry(obj));

       startIndex = 0;

       totalResults = 1;

       itemsPerPage = 1;

     }

   }

 }