src/pl/org/nowoczesnapolska/wlmobi/DBPut.java

   1 /*
   2  * This file is part of WolneLektury-Mobile, licensed under GNU Affero GPLv3 or later.
   3  * Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4  */
   5
   6 package pl.org.nowoczesnapolska.wlmobi;
   7
   8 import org.json.JSONArray;
   9 import org.json.JSONException;
  10
  11 import android.util.Log;
  12 import android.content.res.AssetManager;
  13
  14 import com.phonegap.api.Plugin;
  15 import com.phonegap.api.PluginResult;
  16
  17 import java.io.File;
  18 import java.io.FileOutputStream;
  19 import java.io.InputStream;
  20 import java.io.IOException;
  21 import pl.org.nowoczesnapolska.wlmobi.Downloader;
  22
  23 public class DBPut extends Plugin{
  24
  25         @Override
  26         public PluginResult execute(String action, JSONArray args, String callbackId) {
  27                 if (action.equals("put")) {
  28                         try {
  29                                 return this.put(args.getString(0), args.getString(1), args.getString(2));
  30                         } catch (JSONException e) {
  31                                 return new PluginResult(PluginResult.Status.ERROR, "Param errrors");
  32                         }
  33                 }
  34                 else if (action.equals("fetch")) {
  35                         try {
  36                                 return this.fetch(args.getString(0));
  37                         } catch (JSONException e) {
  38                                 return new PluginResult(PluginResult.Status.ERROR, "Param errrors");
  39                         }
  40                 }
  41                 else {
  42                         return new PluginResult(PluginResult.Status.INVALID_ACTION);
  43                 }
  44         }
  45
  46         private PluginResult fetch(String url) {
  47                 String fileName = "0000000000000001.db";
  48                 String targetPath = "/data/data/" + this.ctx.getPackageName() + "/app_database/file__0/";
  49
  50                 Log.d("DBPut", "database path: " + targetPath + " / " + fileName);
  51
  52                 Downloader d = new Downloader();
  53                 return d.downloadUrl(url, targetPath, fileName, "true");
  54         }
  55
  56
  57         private PluginResult put(String assetPath, String targetPath, String overwrite) {
  58                 // this hard-coding is kinda creepy, should probably create the db and use getDatabasePath instead
  59                 String absoluteTargetPath = "/data/data/" + this.ctx.getPackageName() + "/app_database/" + targetPath;
  60                 int index = absoluteTargetPath.lastIndexOf('/');
  61                 String targetDir = absoluteTargetPath.substring(0, index);
  62
  63                 try {
  64                         File dir = new File(targetDir);
  65                         if(!dir.exists()) {
  66                                 Log.d("DBPut", "directory " + targetDir + " created");
  67                                 dir.mkdirs();
  68                         }
  69
  70                         File fout = new File(absoluteTargetPath);
  71
  72                         if(overwrite.equals("false") && fout.exists()) {
  73                                 Log.d("DBPut", "File already exists");
  74                                 return new PluginResult(PluginResult.Status.OK, "exist");
  75                         }
  76
  77                         FileOutputStream fos = new FileOutputStream(fout);
  78
  79                         AssetManager assetManager = this.ctx.getResources().getAssets();
  80                         InputStream is = assetManager.open(assetPath);
  81
  82                         byte[] buffer = new byte[1024];
  83                         int len1 = 0;
  84
  85                         while ( (len1 = is.read(buffer)) > 0 ) {
  86                                 fos.write(buffer,0, len1);
  87                         }
  88
  89                         fos.close();
  90
  91                         Log.d("DBPut", "Copied to " + absoluteTargetPath);
  92                 } catch (IOException e) {
  93                         Log.d("DBPut", "Error: " + e);
  94                         return new PluginResult(PluginResult.Status.ERROR, "Error: " + e);
  95                 }
  96                 return new PluginResult(PluginResult.Status.OK, absoluteTargetPath);
  97         }
  98 }