2012-05-04 48 views
1

我正在構建一個android應用程序,我試圖解析,我試圖從rss提要解析這個描述標記。在Android中解析RSS源描述

<description> 
<![CDATA[ 
<h1>What Do You Worship?</h1><p>This week <a href="https://twitter.com/#!/nathanielcoon">@Nathanielcoon</a> teaches on the life of Abraham.</a></p> <p><a href="http://www.esvbible.org/search/Genesis+12%3A7-8/">Genesis 12:7-8</a></p> <p><a href="http://www.esvbible.org/search/Genesis+13%3A2-4/">Genes 
]]> 
<![CDATA[ 
is 13:2-4</a></p> <p><a href="http://www.esvbible.org/search/Genesis+13%3A14-18/">Genesis 13:14-18</a></p> <p><a href="http://www.esvbible.org/search/Genesis+14%3A17-24/">Genesis 14:17-24</a></p> <p><a href="http://www.esvbible.org/search/Genesis+15%3A1-21/">Genesis 15:1-21</a></p> <p><a href="http://www.esvbible.org/search/Genesis+17%3A3/">Genesis 17:3</a></p> <p><a href="http://www.esvbible.org/search/Genesis+17%3A17/">Genesis 17:17</a></p> <p><a href="http://www.esvbible.org/search/Genesis+18%3A1-33/">Genesis 18:1-33</a></p> <p><a href="http://www.esvbible.org/search/Genesis+21%3A33/">Genesis 21:33</a></p> <p><a href="http://www.esvbible.org/search/Genesis+22%3A4-14/">Genesis 22:4-14</a></p> <p><a href="http://www.esvbible.org/search/Isaiah+44%3A1-20/">Isaiah 44:1-20</a></p> <p><a href="http://www.esvbible.org/search/Revelation+4%3A1-5%3A15/">Revelation 4:1-5:14</a></p> <p><a href="http://www.esvbible.org/search/Isaiah+45%3A20/">Isaiah 45:20</a></p> <p><a href="http://www.esvbible.org/search/Isaiah+45%3A20-22/">Isaiah 45:20-22</a></p> <p><a href="http://www.esvbible.org/search/Matthew+27%3A50-51/">Matthew 27:50-51</a></p> <p><a href="http://www.esvbible.org/search/Mark+15%3A37-38/">Mark 15:37-38</a></p> <p><a href="http://www.esvbible.org/search/Luke+23%3A45-46/">Luke 23:45-46</a></p> <p><a href="http://www.esvbible.org/search/Hebrews+10%3A19/">Hebrews 10:19</a></p> <p><a href="http://www.esvbible.org/search/Isaiah+6%3A1-13/">Isaiah 6:1-13</a></p> <p>For more resources or to contact us visit <a href="http://www.refugecf.com/resources/">RefugeCf.com</a></p> <p>Follow <a href="https://twitter.com/RefugeCF"> @RefugeCF</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script> on Twitter.</p> 

但是,我只得到前兩行。

<h1>What Do You Worship?</h1><p>This week <a href="https://twitter.com/#!/nathanielcoon">@Nathanielcoon</a> teaches on the life of Abraham.</a></p> 

是否有開關或我找不到?我正在爲我的Android應用程序使用SAXParser。

也。我試着解析/獲取itunes:摘要標籤,根本不起作用。我想知道爲什麼。

謝謝。

編輯:這是我的RSSHandler代碼,如果你需要更多的病態發佈,但我認爲這是我將修復它,其餘的只是將它發送到一個活動,並查看它。 (我正在瀏覽webview。)

import org.xml.sax.Attributes; 
import org.xml.sax.SAXException; 
import org.xml.sax.helpers.DefaultHandler; 

public class RSSHandler extends DefaultHandler { 

    final int state_unknown = 0; 
    final int state_title = 1; 
    final int state_description = 2; 
    final int state_link = 3; 
    final int state_pubdate = 4; 
    final int state_guid = 5; 
    final int state_subtitle = 6; 
    int currentState = state_unknown; 

    RSSFeed feed; 
    RSSItem item; 

    boolean itemFound = false; 

    RSSHandler(){ 
    } 

    RSSFeed getFeed(){ 
     return feed; 
    } 

    @Override 
    public void startDocument() throws SAXException { 
     // TODO Auto-generated method stub 
     feed = new RSSFeed(); 
     item = new RSSItem(); 

    } 

    @Override 
    public void endDocument() throws SAXException { 
     // TODO Auto-generated method stub 
    } 

    @Override 
    public void startElement(String uri, String localName, String qName, 
      Attributes attributes) throws SAXException { 
     // TODO Auto-generated method stub 

     if (localName.equalsIgnoreCase("item")){ 
      itemFound = true; 
      item = new RSSItem(); 
      currentState = state_unknown; 
     } 
     else if (localName.equalsIgnoreCase("title")){ 
      currentState = state_title; 
     } 
     else if (localName.equalsIgnoreCase("subtitle")){ 
      currentState = state_subtitle; 
     } 
     else if (localName.equalsIgnoreCase("description")){ 
      currentState = state_description; 
     } 
     else if (localName.equalsIgnoreCase("link")){ 
      currentState = state_link; 
     } 
     else if (localName.equalsIgnoreCase("pubdate")){ 
      currentState = state_pubdate; 
     } 
     else if (localName.equalsIgnoreCase("guid")){ 
      currentState = state_guid; 
     } 
     else{ 
      currentState = state_unknown; 
     } 

    } 

    @Override 
    public void endElement(String uri, String localName, String qName) 
      throws SAXException { 
     // TODO Auto-generated method stub 
     if (localName.equalsIgnoreCase("item")){ 
      feed.addItem(item); 
     } 
    } 

    @Override 
    public void characters(char[] ch, int start, int length) 
      throws SAXException { 
     // TODO Auto-generated method stub 

     String strCharacters = new String(ch,start,length); 

     if (itemFound==true){ 
     // "item" tag found, it's item's parameter 
      switch(currentState){ 
      case state_title: 
       item.setTitle(strCharacters); 
       break; 
      case state_subtitle: 
       item.setsubTitle(strCharacters); 
       break; 
      case state_description: 
       item.setDescription(strCharacters); 
       break; 
      case state_link: 
       item.setLink(strCharacters); 
       break; 
      case state_pubdate: 
       item.setPubdate(strCharacters); 
       break; 
      case state_guid: 
       item.setGuid(strCharacters); 
       break; 
      default: 
       break; 
      } 
     } 
     else{ 
     // not "item" tag found, it's feed's parameter 
      switch(currentState){ 
      case state_title: 
       feed.setTitle(strCharacters); 
       break; 
      case state_subtitle: 
       feed.setsubTitle(strCharacters); 
       break; 
      case state_description: 
       feed.setDescription(strCharacters); 
       break; 
      case state_link: 
       feed.setLink(strCharacters); 
       break; 
      case state_pubdate: 
       feed.setPubdate(strCharacters); 
       break; 
      case state_guid: 
       feed.setGuid(strCharacters); 
       break; 
      default: 
       break; 
      } 
     } 

     currentState = state_unknown; 
    } 


} 
+0

發佈您的代碼。 – FoamyGuy

+0

張貼,感謝您的期待。 – sonicemerald

回答

0

我想你錯過了[和]在CDATA?

http://java.sun.com/webservices/reference/tutorials/jaxp/html/sax.html

SAX解析器可能有點難以理解,我斷點添加到這些方法,看看它做你的期望。

+0

我無法在該鏈接中找到[和]的用法,但下半場沒有出現,因爲我只獲得第一個CDATA?如果是這樣,我將如何能夠將這兩個CDATA合併爲一個? 編輯:找到startCDATA(),endCDATA(),但我不完全確定我將如何使用它們。 – sonicemerald

+0

沒關係,它看起來好像是文檔中的一個錯字...... <![CDATA [and]]>應該沒問題。 – NoBugs

+0

嗯..剛剛看到你的評論關於斷點,虐待檢查出來。 另一個有點相關的問題:saxparser是否在開始活動之前解析所有內容?我注意到,如果沒有足夠的服務,活動將需要一段時間才能加載,直到android認爲它沒有響應。 – sonicemerald