Android Open Source - PictureBookReader Decompress Reader

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Back to project page PictureBookReader.

License

The source code is released under:

GNU General Public License

Java Source Code

package net.uyghurdev.avaroid.picturebookreader;
//  w w  w . j  av  a2  s  .co  m
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Log;

public class DecompressReader {
  private String _encode = "UTF-8";
  String[] bookPara = new String[100];
  private String _fileName;
  BookText booktext;
  // Chapter chapter;
  int myPics;
  private String _path;
  PlayOrder1 playorder;
  private ZipFile _zipFile;

  public DecompressReader(String fileName) throws IOException {
    _fileName = fileName;
    _zipFile = new ZipFile(_fileName);
  }

  
  public Bitmap getCover() {
    Bitmap b;

    InputStream in = zipEntryToStream(".png");

    b = BitmapFactory.decodeStream(in);
    return b;
  }

  public int getPicsnumber() throws SAXException, IOException {
    
    booktext=new BookText();
    
    int picNumber = 0;
    InputStream in = null ;
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder;
    try {
      builder = factory.newDocumentBuilder();
      in = zipEntryToStream(".xml");
      Document dom = builder.parse(in);
      Element root = dom.getDocumentElement();
      NodeList items = root.getElementsByTagName("id");
      picNumber=items.getLength();
      NodeList context=root.getElementsByTagName("page");
//      
//      for(int i=0;i<context.getLength();i++){
//        Node text=context.item(i);
//        Node id=context.item(i);
//        Node soundPath=context.item(i);
//        Node picPath=context.item(i);
//        Node textcontent=((Element) text).getElementsByTagName("text").item(0);
//        String res=((Node) textcontent).getFirstChild().getNodeValue();
//        
//        Node idset=((Element) id).getElementsByTagName("id").item(0);
//        String id_set=((Node) idset).getFirstChild().getNodeValue();
//        Node pic_path=((Element) soundPath).getElementsByTagName("picture").item(0);
//        String picpath=((Node) pic_path).getFirstChild().getNodeValue();
//        Node sound_path=((Element) picPath).getElementsByTagName("sound").item(0);
//        String sound=((Node) sound_path).getFirstChild().getNodeValue();
//        
//      
//        
//        bookPara[i]=res;
        
        //booktext.setText(bookPara);
        
        //System.out.println("My XML context: "+bookPara[i]);
        
      //}
      //booktext.setText(bookPara);
    } catch (ParserConfigurationException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    
    
    return picNumber;
  }
  
  public String getContent() throws SAXException, IOException {
    
    
    String content = null;
    InputStream in = null ;
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder;
    try {
      builder = factory.newDocumentBuilder();
      in = zipEntryToStream(".xml");
      Document dom = builder.parse(in);
      Element root = dom.getDocumentElement();
      NodeList items = root.getElementsByTagName("text");
      content=items.toString();
    } catch (ParserConfigurationException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    
    
    return content;
  }

//  private int parseOpf(InputStream in) {
//    // TODO Auto-generated method stub
//    String entry = null;
//    int picnumber = 0;
//    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
//
//    try {
//
//      DocumentBuilder builder = factory.newDocumentBuilder();
//      Document dom = builder.parse(in);
//      Element root = dom.getDocumentElement();
//      NodeList items = root.getElementsByTagName("id");
//      System.out.println("My Items Length: " + items.getLength());
//      picnumber=items.getLength();
//      for (int i = 0; i < items.getLength(); i++) {
//
//        Node item = items.item(i);
//
//        Element element = (Element) items.item(i);
//        String id = element.getAttribute("id").toLowerCase();
//        String href = element.getAttribute("href").toLowerCase();
//        if (id.contains("cover")
//            && (href.endsWith("jpg") || href.endsWith("jpeg") || href
//                .endsWith("png"))) {
//          entry = element.getAttribute("href");
//          break;
//        }
//
//      }
//
//    } catch (Exception e) {
//      e.toString();
//      Log.d("My log", "Start index: " + e.toString());
//    }
//    return picnumber;
//  }

  private InputStream zipEntryToStream(String entry) {
    // TODO Auto-generated method stub
    InputStream inputStream = null;
    @SuppressWarnings("rawtypes")
    Enumeration entries = _zipFile.entries();
    while (entries.hasMoreElements()) {
      ZipEntry currentEntry = (ZipEntry) entries.nextElement();
      if (currentEntry.getName().endsWith(entry)) {
        try {
          inputStream = this._zipFile.getInputStream(currentEntry);
          break;
        } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }

    }
    return inputStream;
  }

  public void initialWork() throws IOException, SAXException,
      ParserConfigurationException {
    InputStream is = this.getRootfilePath("META-INF/container.xml");

  }

  public InputStream getRootfilePath(String filePath) throws IOException,
      SAXException, ParserConfigurationException {
    ZipEntry entry = this._zipFile.getEntry(filePath);

    if (entry == null)
      return null;
    InputStream inputStream = this._zipFile.getInputStream(entry);
    return inputStream;
  }

  private void setRelativePath(String path) {
    // TODO Auto-generated method stub
    for (int i = 0; i < path.length(); i++) {
      String str = path.substring(0, path.length() - i);
      if (str.endsWith("/")) {
        _path = str;
        Log.d("My Log", _path);
        return;
      }
    }
  }

}

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