Android Open Source - android-pkpass-viewer Pass Reading Service

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License

The source code is released under:

MIT License

Java Source Code

package com.manso.mytickets.services;
//from w  w w  .  j av  a2 s  .com
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

import com.google.zxing.WriterException;
import com.manso.mytickets.utils.BarcodeEncoder;
import com.manso.mytickets.utils.FileReader;
import com.manso.mytickets.utils.ImageUtils;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;

public class PassReadingService {
  
  private String path;
  private FileReader fileReader;
  private JSONParser parser;
  private JSONObject root;
  private Context context;


  public PassReadingService(String path, Context context) throws ParseException, IOException {
    this.path = path;
    this.context = context;
    this.fileReader = new FileReader();
    this.parser = new JSONParser();
    this.root = (JSONObject) this.parser.parse(this.fileReader.readTextFile(new File(path, "pass.json")));
  }
    
  public Bitmap getBackground() {
    
    File blurredBitmapFile = new File(this.path, "background-blur.png");
    byte[] bitmapBytes;
    Bitmap bitmap;
    
    try {
      if (blurredBitmapFile.exists())
      {      
        bitmapBytes = this.fileReader.readBinaryFile(new File(this.path, "background-blur.png"));
        bitmap = BitmapFactory.decodeByteArray(bitmapBytes, 0, bitmapBytes.length);
        return bitmap;
      }        
      else {
        File background = new File(this.path, "background@2x.png");
        if (!background.exists()) {
          background = new File(this.path, "background.png");
        }
        bitmapBytes = this.fileReader.readBinaryFile(background);
        bitmap = BitmapFactory.decodeByteArray(bitmapBytes, 0, bitmapBytes.length);
        Bitmap blurred = ImageUtils.fastblur(bitmap, 10);
        FileOutputStream out = new FileOutputStream(blurredBitmapFile);
        blurred.compress(CompressFormat.PNG, 0, out);
        out.close();
        return blurred;
      }
      
    } catch (IOException e) {
      e.printStackTrace();
      return null;
    }        
  }
  
  public Bitmap getLogo() {
    return getImage("logo");
  }

  private Bitmap getImage(String name) {
    byte[] bitmapBytes;
    try {
      File image = new File(this.path, name + "@2x.png");
      if (!image.exists()) {
        image = new File(this.path, name + ".png");
      }
      bitmapBytes = this.fileReader.readBinaryFile(image);
    } catch (IOException e) {
      e.printStackTrace();
      return null;
    }    
    return BitmapFactory.decodeByteArray(bitmapBytes, 0, bitmapBytes.length);
  }
  
  public Bitmap getBarcode() throws WriterException, IOException {
    File barcodeFile = new File(this.path, "barcode.png");
    
    if (!barcodeFile.exists()) {
      JSONObject barcodeJson = this.getJSONObject("barcode");
      Bitmap barcodeAux = new BarcodeEncoder(this.context).getBitmap(barcodeJson.get("message").toString(), barcodeJson.get("format").toString());
      FileOutputStream out = new FileOutputStream(barcodeFile);
      barcodeAux.compress(CompressFormat.PNG, 0, out);
      out.close();
    }

    Bitmap barcode = BitmapFactory.decodeFile(barcodeFile.getPath());
    return barcode;
  }
  
  public String getValue(String key) {
    return this.root.get(key).toString();
  }
  
  public JSONObject getJSONObject(String key) {
    return (JSONObject) this.root.get(key);
  }

  public Bitmap getThumbnail() {
    Bitmap thumbnail =  getImage("thumbnail");
    
    if (thumbnail == null)
    {
      thumbnail = getImage("background");
    }
    
    return thumbnail;
  }
}

Java Source Code List

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