src/pl/org/nowoczesnapolska/wloffline/AssetCopy.java

   1 package pl.org.nowoczesnapolska.wloffline;
   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
  21 public class AssetCopy extends Plugin{
  22
  23         @Override
  24         public PluginResult execute(String action, JSONArray args, String callbackId) {
  25                 if (action.equals("copy")) {
  26                         try {
  27                                 return this.copy(args.getString(0), args.getString(1), args.getString(2));
  28                         } catch (JSONException e) {
  29                                 return new PluginResult(PluginResult.Status.ERROR, "Param errrors");
  30                         }
  31                 }
  32                 else {
  33                         return new PluginResult(PluginResult.Status.INVALID_ACTION);
  34                 }
  35         }
  36
  37         private PluginResult copy(String assetPath, String targetPath, String overwrite) {
  38                 int index = targetPath.lastIndexOf('/');
  39                 String targetDir = targetPath.substring(0, index);
  40
  41                 try {
  42                         File dir = new File(targetDir);
  43                         if(!dir.exists()) {
  44                                 Log.d("AssetCopy", "directory " + targetDir + " created");
  45                                 dir.mkdirs();
  46                         }
  47
  48                         Log.d("AssetCopy", "1");
  49                         File fout = new File(targetPath);
  50                         Log.d("AssetCopy", "2");
  51
  52                         if(overwrite.equals("false") && fout.exists()) {
  53                                 Log.d("AssetCopy", "File already exists");
  54                                 return new PluginResult(PluginResult.Status.OK, "exist");
  55                         }
  56                         Log.d("AssetCopy", "3");
  57
  58                         FileOutputStream fos = new FileOutputStream(fout);
  59                         Log.d("AssetCopy", "4");
  60
  61                         AssetManager assetManager = this.ctx.getResources().getAssets();
  62                         InputStream is = assetManager.open(assetPath);
  63
  64                         byte[] buffer = new byte[1024];
  65                         int len1 = 0;
  66
  67                         while ( (len1 = is.read(buffer)) > 0 ) {
  68                                 fos.write(buffer,0, len1);
  69                         }
  70
  71                         fos.close();
  72
  73                         Log.d("AssetCopy", "Copied to " + targetPath);
  74                 } catch (IOException e) {
  75                         Log.d("AssetCopy", "Error: " + e);
  76                         return new PluginResult(PluginResult.Status.ERROR, "Error: " + e);
  77                 }
  78                 return new PluginResult(PluginResult.Status.OK, targetPath);
  79         }
  80 }