NewsUtils.java

package com.roboo.like.netease.utils;

import java.io.IOException;
import java.util.LinkedList;

import org.jsoup.Connection;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import android.R.integer;

import com.baidu.location.BDLocation.a;
import com.roboo.like.netease.model.News;
import com.roboo.like.netease.model.NewsContent;

public class NewsUtils
{
	private static final String QQ_NEWS_STYLE_CLASS_NAME = "Q-tpWrap";
	private static final String QQ_NEWS_CONTENT_ID = "Cnt-Main-Article-QQ";
	private static final String IT_HOME_NEWS_CONTENT_ID = "paragraph";
	private static final String IT_HOME_STYLE_CLASS_NAME = "cate_list";
	public static LinkedList<News> getNewsList(String channelUrl, int pageNo) throws IOException
	{
		LinkedList<News> data = null;
		Document document = Jsoup.connect(channelUrl).get();
		if (null != document)
		{

			Elements elements = document.getElementsByClass(QQ_NEWS_STYLE_CLASS_NAME);
			if (null != elements && elements.size() >= 0)
			{
				data = new LinkedList<News>();
				for (int i = 0; i < (elements.size() > 10 ? 10 : elements.size()); i++)
				{
					Element element = elements.get(i);
					String src = element.getElementsByTag("img").get(0).attr("src");
					String title = element.getElementsByClass("linkto").get(0).text();
					String subTitle = element.getElementsByTag("p").get(0).text();
					String url = element.getElementsByClass("linkto").get(0).attr("href");
					News news = new News();
					news.setUrl(url);
					news.setTitle(title);
					news.setSubTitle(subTitle);
					news.setMd5(MD5Utils.generate(url));
					news.setSrc(src);
					data.add(news);
				}
			}

		}
		return data;
	}
	public static String getNewsData(String newsUrl) throws IOException
	{
		String data = null;
		Document document = Jsoup.connect(newsUrl).get();
		if (null != document)
		{
			Element element = document.getElementById(QQ_NEWS_CONTENT_ID);
			if (null != element)
			{
				Elements elements = element.getElementsByTag("p");
				StringBuffer sb = new StringBuffer();
				for (Element e : elements)
				{
					String pHtml = e.html();
					if (null != pHtml)
					{
						if (pHtml.contains("<img"))
						{
							Elements imgElements = e.getElementsByTag("img");
							if (null != imgElements && imgElements.size() > 0)
							{
								for (Element ee : imgElements)
								{
									sb.append(ee.attr("src") + ",");
								}
							}
						}
					}
				}
				if (sb.length() > 0)
				{
					sb.deleteCharAt(sb.length() - 1);
				}
				for (Element e : elements)
				{
					String pHtml = e.html();
					if (null != pHtml)
					{
						if (pHtml.contains("<img"))
						{
							Elements imgElements = e.getElementsByTag("img");
							if (null != imgElements && imgElements.size() > 0)
							{
								for (int i = 0; i < imgElements.size(); i++)
								{
									Element ee = imgElements.get(i);
									ee.attr("onclick", "window.android.toast(\"" + sb.toString() + "\"" + "," + i + ")");
								}
							}
						}
					}
				}
				data = element.toString();
				if (null != data)
				{
					return new String(data.getBytes(), "UTF-8");
				}
			}
		}
		return data;
	}

	public static NewsContent getNewsContent(String newsUrl) throws IOException
	{
		NewsContent newsContent = null;
		Document document = Jsoup.connect(newsUrl).get();
		if (null != document)
		{
			Element element = document.getElementById(QQ_NEWS_CONTENT_ID);
			if (null != element)
			{
				newsContent = new NewsContent();
				System.out.println("element = " + element);
				Elements elements = element.getElementsByTag("p");
				if (null != elements)
				{
					LinkedList<String> contentList = new LinkedList<String>();
					LinkedList<String> srcList = new LinkedList<String>();
					for (Element e : elements)
					{
						String pHtml = e.html();
						if (null != pHtml)
						{
							if (pHtml.contains("<img"))
							{
								Elements imgElements = e.getElementsByTag("img");
								if (null != imgElements && imgElements.size() > 0)
								{
									for (Element ee : imgElements)
									{
										srcList.add(ee.attr("src"));
									}
								}
							}
							else
							{
								contentList.add(pHtml);
							}
						}
					}
					newsContent.setSrcList(srcList);
					newsContent.setContentList(contentList);
				}
			}
		}
		return newsContent;
	}
	public static LinkedList<News> getITHomeNews(String ithomeurl ,int pageNo) throws IOException
	{
		LinkedList<News> data = null;
		String itHomeUrl = ithomeurl+ pageNo+".html"	; 
		Document document = Jsoup.connect(itHomeUrl).timeout(20000).get();
		
		
		if (null != document)
		{
			Elements es = document.getElementsByClass(IT_HOME_STYLE_CLASS_NAME);
			if (null != es && es.size() > 0)
			{
				Element element = es.get(0);
				if (null != element)
				{
					data = new LinkedList<News>();
					Elements ess = element.getElementsByTag("li");
					if (null != ess && ess.size() > 0)
					{
						for (Element ee : ess)
						{
							Element h2Element = ee.getElementsByTag("h2").get(0);
							Element aElement = ee.getElementsByClass("list_thumbnail").get(0);
							Element imgElement = aElement.getElementsByTag("img").get(0);
							Element pElement = ee.getElementsByTag("p").get(0);
							News news = new News();
							String url = aElement.attr("href");
							String md5 = MD5Utils.generate(url);
							
							String title = h2Element.text();
							String subTitle = pElement.text();
							String src = imgElement.attr("data-original");
							news.setSrc(src);
							news.setMd5(md5);
							news.setUrl(url);
							news.setTitle(title);
							news.setSubTitle(subTitle);
							data.add(news);
						}
					}
					
				}
			}
		}
		return data;
	}
	public static LinkedList<News> getITHomeNews(String baseUrl,int category, int pageNo) throws IOException
	{
		LinkedList<News> data = null;
		String itHomeUrl = baseUrl +category+"_"+ pageNo+".html"	; 
		Document document = Jsoup.connect(itHomeUrl).timeout(20000).get();
		if (null != document)
		{
			Elements es = document.getElementsByClass(IT_HOME_STYLE_CLASS_NAME);
			if (null != es && es.size() > 0)
			{
				Element element = es.get(0);
				if (null != element)
				{
					data = new LinkedList<News>();
					Elements ess = element.getElementsByTag("li");
					if (null != ess && ess.size() > 0)
					{
						for (Element ee : ess)
						{
							Element h2Element = ee.getElementsByTag("h2").get(0);
							Element aElement = ee.getElementsByClass("list_thumbnail").get(0);
							Element imgElement = aElement.getElementsByTag("img").get(0);
							Element pElement = ee.getElementsByTag("p").get(0);
							News news = new News();
							String url = aElement.attr("href");
							String md5 = MD5Utils.generate(url);
							
							String title = h2Element.text();
							String subTitle = pElement.text();
							String src = imgElement.attr("data-original");
							news.setSrc(src);
							news.setMd5(md5);
							news.setUrl(url);
							news.setTitle(title);
							news.setSubTitle(subTitle);
							data.add(news);
						}
					}

				}
			}
		}
		return data;
	}
	public static String getITHomeNewsData(String newsUrl) throws IOException
	{
		String data = null;
		Document document = Jsoup.connect(newsUrl).get();
		if (null != document)
		{
			
			Element element = document.getElementById(IT_HOME_NEWS_CONTENT_ID);
			Elements es = element.getElementsByTag("p");	
			es.first().html("<font color='red'>IT之家</font>");
		
			if (null != es)
			{
				for(Element element2:es)
				{
					Elements imgsElement = element2.getElementsByTag("img");
					if(null != imgsElement && imgsElement.size() > 0)
					{
						Element imgElement = imgsElement.first();
						imgElement.attr("onclick", "window.android.toast(\"" + imgElement.attr("src") + "\"" + "," + 0 + ")");
					}
				}
				data = es.toString();
				if (null != data)
				{
					return new String(data.getBytes(), "UTF-8");
				}
			}
		}
		return data;
	}

}