content: /*
   * Copyright (C) 2010 A. Horn
   *
   * 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.mcsoxford.rss;
  
  import java.util.ArrayList;
  
  /**
   * Common data about RSS feeds and items.
   * 
   * @author Mr Horn
   */
  abstract class RSSBase {
  
    private String title;
    private android.net.Uri link;
    private String description;
    private java.util.List<String> categories;
    private java.util.Date pubdate;
  
    /**
     * Specify initial capacity for the List which contains the category names.
     */
    RSSBase(byte categoryCapacity) {
      categories = categoryCapacity == 0 ? null : new ArrayList<String>(
          categoryCapacity);
    }
  
    public String getTitle() {
      return title;
    }
  
    public String getDescription() {
      return description;
    }
  
    public android.net.Uri getLink() {
      return link;
    }
  
    public java.util.List<String> getCategories() {
      if (categories == null) {
        return java.util.Collections.emptyList();
      }
  
      return java.util.Collections.unmodifiableList(categories);
    }
  
    public java.util.Date getPubDate() {
      return pubdate;
    }
  
    void setTitle(String title) {
      this.title = title;
    }
  
    void setLink(android.net.Uri link) {
      this.link = link;
    }
  
    void setDescription(String description) {
      this.description = description;
    }
  
    void addCategory(String category) {
      if (categories == null) {
        categories = new ArrayList<String>(3);
      }
  
      this.categories.add(category);
    }
  
    void setPubDate(java.util.Date pubdate) {
      this.pubdate = pubdate;
    }
  
    /**
     * Returns the title.
     */
    public String toString() {
      return title;
    }
  
    /**
     * Returns the hash code of the link.
     */
    @Override
    public int hashCode() {
      if (link == null) {
        return 0;
      }
  
      return link.hashCode();
    }
  
    /**
     * Compares the links for equality.
     */
    @Override
    public boolean equals(Object object) {
      if (this == object) {
        return true;
      } else if (object instanceof RSSBase) {
        /* other is never null */
        final RSSBase other = (RSSBase) (object);
  
        if (link == null) {
          return other.link == null;
        }
  
        return link.equals(other.link);
      } else {
        return false;
      }
    }
  
  }
  
  