Android Open Source - HapiPodcastJ Zip Importer

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Back to project page HapiPodcastJ.

License

The source code is released under:

GNU General Public License

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Java Source Code

package info.xuluan.podcast.utils;
//  w  w w  . ja v a2 s . c om
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import android.app.Activity;

public class ZipImporter {
  public interface ContentReader {
    void readContent(ZipInputStream zos, ZipEntry entry) throws IOException;
  }

  public static void importFromZipFile(Activity act, File inFile, ContentReader cr) {
        InputStream inputStream = null;
        try {
          inputStream = new FileInputStream(inFile);
          ZipInputStream zis = new ZipInputStream(inputStream);
          ZipEntry entry;
          while((entry = zis.getNextEntry()) != null) {
            cr.readContent(zis, entry);
          }
        } catch (IOException ex) {
          ex.printStackTrace();
        }
        finally{
          if (inputStream != null) {
            try {
              inputStream.close();
            }
            catch (Exception ex) {}
          }
        }
  }
  
    public static Map<String,String> getChildrenContent(Element base) {
      HashMap<String,String> map = new HashMap<String,String>();
      for (Node child=base.getFirstChild(); child!=null; child=child.getNextSibling()) {
      String tag = child.getNodeName();
      String content = child.getTextContent();
      map.put(tag, content);
    }
      return map;
    }

    public static Element getFirstElementByTagName(Element base, String tag) {
      NodeList elements = base.getElementsByTagName(tag);
      if (elements==null || elements.getLength()==0)
        return null;  //no such child element found
      return (Element)elements.item(0);
    }
    
    public static long parseLong(String s, long dflt) {
      try {
        return Long.parseLong(s);
      }
      catch (NumberFormatException ex) {
        return dflt;
      }
    }
    
    public static long parseLong(String s) { return parseLong(s,0); }
}

Java Source Code List