package com.foxinmy.weixin4j.response;
   
   import java.util.ArrayList;
   import java.util.List;
   
   /**
    * 回复图文消息
    * 
    * @className NewsResponse
   * @author jinyu(foxinmy@gmail.com)
   * @date 2015年5月5日
   * @since JDK 1.6
   * @see
   */
  public class NewsResponse implements WeixinResponse {
  
  	/**
  	 * 图文集合
  	 */
  	private List<Article> articleList;
  
  	public NewsResponse(List<Article> articleList) {
  		this.articleList = articleList;
  	}
  
  	public NewsResponse(Article article) {
  		this.articleList = new ArrayList<Article>();
  		this.articleList.add(article);
  	}
  
  	public void pushArticle(Article article) {
  		articleList.add(article);
  	}
  
  	public void pushFirstArticle(Article article) {
  		articleList.add(0, article);
  	}
  
  	public void pushLastArticle(Article article) {
  		articleList.add(articleList.size(), article);
  	}
  
  	public Article removeLastArticle() {
  		return articleList.remove(articleList.size() - 1);
  	}
  
  	public Article removeFirstArticle() {
  		return articleList.remove(0);
  	}
  
  	public List<Article> getArticleList() {
  		return articleList;
  	}
  
  	@Override
  	public String toContent() {
  		StringBuilder content = new StringBuilder();
  		content.append(String.format("<ArticleCount>%d</ArticleCount>",
  				articleList.size()));
  		content.append("<Articles>");
  		for (Article article : articleList) {
  			content.append("<item>");
  			content.append(String.format("<Title><![CDATA[%s]]></Title>",
  					article.getTitle() != null ? article.getTitle() : ""));
  			content.append(String.format(
  					"<Description><![CDATA[%s]]></Description>",
  					article.getDesc() != null ? article.getDesc() : ""));
  			content.append(String.format("<Url><![CDATA[%s]]></Url>",
  					article.getUrl() != null ? article.getUrl() : ""));
  			content.append(String.format("<PicUrl><![CDATA[%s]]></PicUrl>",
  					article.getPicUrl() != null ? article.getPicUrl() : ""));
  			content.append("</item>");
  		}
  		content.append("</Articles>");
  		return content.toString();
  	}
  
  	@Override
  	public String getMsgType() {
  		return "news";
  	}
  
  	/**
  	 * 图文消息对象
  	 * 
  	 * @className Article
  	 * @author jinyu(foxinmy@gmail.com)
  	 * @date 2015年5月5日
  	 * @since JDK 1.6
  	 * @see
  	 */
  	public static class Article {
  		/**
  		 * 图文消息标题
  		 */
  		private String title;
  		/**
  		 * 图文消息描述
  		 */
 		private String desc;
 		/**
 		 * 点击图文消息跳转链接
 		 */
 		private String url;
 		/**
 		 * 图片链接，支持JPG、PNG格式，较好的效果为大图360*200，小图200*200
 		 */
 		private String picUrl;
 
 		public String getTitle() {
 			return title;
 		}
 
 		public void setTitle(String title) {
 			this.title = title;
 		}
 
 		public String getDesc() {
 			return desc;
 		}
 
 		public void setDesc(String desc) {
 			this.desc = desc;
 		}
 
 		public String getUrl() {
 			return url;
 		}
 
 		public void setUrl(String url) {
 			this.url = url;
 		}
 
 		public String getPicUrl() {
 			return picUrl;
 		}
 
 		public void setPicUrl(String picUrl) {
 			this.picUrl = picUrl;
 		}
 
 		public Article() {
 
 		}
 
 		public Article(String title, String desc, String url, String picUrl) {
 			this.title = title;
 			this.desc = desc;
 			this.url = url;
 			this.picUrl = picUrl;
 		}
 
 		@Override
 		public String toString() {
 			return "Article [title=" + title + ", desc=" + desc + ", url="
 					+ url + ", picUrl=" + picUrl + "]";
 		}
 	}
 }