Android Open Source - ildn-hub Base Feed Parser

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License

The source code is released under:

GNU General Public License

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Java Source Code

package net.ildn.feed;
/* ww  w.  ja v a  2 s. c  om*/
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;

import org.apache.http.util.ByteArrayBuffer;

public abstract class BaseFeedParser implements FeedParser {

  // names of the XML tags
  static final String CHANNEL = "channel";
  static final String PUB_DATE = "pubDate";
  static final String DESCRIPTION = "description";
  static final String LINK = "link";
  static final String TITLE = "title";
  static final String ITEM = "item";
  static final String CREATOR = "creator";

  protected static HashMap<String,String> nameSpacesHash=new HashMap<String, String>();
  
  private final URL feedUrl;

  protected BaseFeedParser(String feedUrl) {
    try {
      this.feedUrl = new URL(feedUrl);
    } catch (MalformedURLException e) {
      throw new RuntimeException(e);
    }
  }

  protected InputStream getInputStream() {
    try {
      return feedUrl.openConnection().getInputStream();
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  protected String getXml() {
    InputStream stream = null;
    try {
      byte[] tmp = new byte[1024];
      stream = getInputStream();
      ByteArrayBuffer buff = new ByteArrayBuffer(0);
      int n;
      while ((n = stream.read(tmp)) != -1) {
        buff.append(tmp, 0, n);
      }
      String xml = new String(buff.toByteArray(), "UTF-8");
      return xml.trim();
    } catch (IOException e) {
      throw new RuntimeException(e);
    } finally {
      try {
        if (stream != null)
          stream.close();
      } catch (Exception e) {
      }
    }
  }
  
  protected String getElementNamespace(String elementName){
    String result="";
    if (nameSpacesHash.get(elementName)!=null){
      result=nameSpacesHash.get(elementName);
    }
    return result;
  }
  
}

Java Source Code List