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

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