diff options
Diffstat (limited to 'build/android/src/org/minetest/minetest/MinetestAssetCopy.java')
| -rw-r--r-- | build/android/src/org/minetest/minetest/MinetestAssetCopy.java | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/build/android/src/org/minetest/minetest/MinetestAssetCopy.java b/build/android/src/org/minetest/minetest/MinetestAssetCopy.java new file mode 100644 index 000000000..652a00831 --- /dev/null +++ b/build/android/src/org/minetest/minetest/MinetestAssetCopy.java @@ -0,0 +1,288 @@ +package org.minetest.minetest; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.OutputStream; +import java.util.Vector; + +import android.app.Activity; +import android.content.res.AssetFileDescriptor; + +import android.os.AsyncTask; +import android.os.Bundle; +import android.os.Environment; +import android.util.Log; +import android.view.Display; +import android.widget.ProgressBar; +import android.widget.TextView; + +public class MinetestAssetCopy extends Activity { + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + setContentView(R.layout.assetcopy); + + m_ProgressBar = (ProgressBar) findViewById(R.id.progressBar1); + m_Filename = (TextView) findViewById(R.id.textView1); + + Display display = getWindowManager().getDefaultDisplay(); + m_ProgressBar.getLayoutParams().width = (int) (display.getWidth() * 0.8); + m_ProgressBar.invalidate(); + + m_AssetCopy = new copyAssetTask(); + m_AssetCopy.execute(); + } + + ProgressBar m_ProgressBar; + TextView m_Filename; + + copyAssetTask m_AssetCopy; + + private class copyAssetTask extends AsyncTask<String, Integer, String>{ + + private void copyElement(String name, String path) { + String baseDir = Environment.getExternalStorageDirectory().getAbsolutePath(); + String full_path; + if (path != "") { + full_path = path + "/" + name; + } + else { + full_path = name; + } + //is a folder read asset list + if (m_foldernames.contains(full_path)) { + m_Foldername = full_path; + publishProgress(0); + File current_folder = new File(baseDir + "/" + full_path); + if (!current_folder.exists()) { + if (!current_folder.mkdirs()) { + Log.w("MinetestAssetCopy","\t failed create folder: " + baseDir + "/" + full_path); + } + else { + Log.w("MinetestAssetCopy","\t created folder: " + baseDir + "/" + full_path); + } + } + try { + String[] current_assets = getAssets().list(full_path); + for(int i=0; i < current_assets.length; i++) { + copyElement(current_assets[i],full_path); + } + } catch (IOException e) { + Log.w("MinetestAssetCopy","\t failed to read contents of folder"); + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + //is a file just copy + else { + boolean refresh = true; + + File testme = new File(baseDir + "/" + full_path); + + long asset_filesize = -1; + long stored_filesize = -1; + + if (testme.exists()) { + try { + AssetFileDescriptor fd = getAssets().openFd(full_path); + asset_filesize = fd.getLength(); + fd.close(); + } catch (IOException e) { + refresh = true; + m_asset_size_unknown.add(full_path); + } + + stored_filesize = testme.length(); + + if (asset_filesize == stored_filesize) { + refresh = false; + } + + } + + if (refresh) { + m_tocopy.add(full_path); + } + } + } + + private long getFullSize(String filename) { + long size = 0; + try { + InputStream src = getAssets().open(filename); + byte[] buf = new byte[1024]; + + int len = 0; + while ((len = src.read(buf)) > 0) { + size += len; + } + } + catch (IOException e) { + e.printStackTrace(); + } + return size; + } + + @Override + protected String doInBackground(String... files) { + + m_foldernames = new Vector<String>(); + m_tocopy = new Vector<String>(); + m_asset_size_unknown = new Vector<String>(); + String baseDir = Environment.getExternalStorageDirectory().getAbsolutePath() + "/"; + + File TempFolder = new File(baseDir + "Minetest/tmp/"); + + if (!TempFolder.exists()) { + TempFolder.mkdir(); + } + else { + File[] todel = TempFolder.listFiles(); + + for(int i=0; i < todel.length; i++) { + Log.w("MinetestAssetCopy","deleting: " + todel[i].getAbsolutePath()); + todel[i].delete(); + } + } + + // add a .nomedia file + try { + OutputStream dst = new FileOutputStream(baseDir + "Minetest/.nomedia"); + dst.close(); + } catch (IOException e) { + Log.w("MinetestAssetCopy","Failed to create .nomedia file"); + e.printStackTrace(); + } + + try { + InputStream is = getAssets().open("index.txt"); + BufferedReader reader = new BufferedReader(new InputStreamReader(is)); + + String line = reader.readLine(); + while(line != null){ + m_foldernames.add(line); + line = reader.readLine(); + } + } catch (IOException e1) { + // TODO Auto-generated catch block + e1.printStackTrace(); + } + + copyElement("Minetest",""); + + m_copy_started = true; + m_ProgressBar.setMax(m_tocopy.size()); + + for (int i = 0; i < m_tocopy.size(); i++) { + try { + String filename = m_tocopy.get(i); + publishProgress(i); + + boolean asset_size_unknown = false; + long filesize = -1; + + if (m_asset_size_unknown.contains(filename)) { + File testme = new File(baseDir + "/" + filename); + + if(testme.exists()) { + filesize = testme.length(); + } + asset_size_unknown = true; + } + + InputStream src; + try { + src = getAssets().open(filename); + } catch (IOException e) { + Log.w("MinetestAssetCopy","Copying file: " + filename + " FAILED (not in assets)"); + // TODO Auto-generated catch block + e.printStackTrace(); + continue; + } + + // Transfer bytes from in to out + byte[] buf = new byte[1*1024]; + int len = src.read(buf, 0, 1024); + + /* following handling is crazy but we need to deal with */ + /* compressed assets.Flash chips limited livetime sue to */ + /* write operations, we can't allow large files to destroy */ + /* users flash. */ + if (asset_size_unknown) { + if ( (len > 0) && (len < buf.length) && (len == filesize)) { + src.close(); + continue; + } + + if (len == buf.length) { + src.close(); + long size = getFullSize(filename); + if ( size == filesize) { + continue; + } + src = getAssets().open(filename); + len = src.read(buf, 0, 1024); + } + } + if (len > 0) { + int total_filesize = 0; + OutputStream dst; + try { + dst = new FileOutputStream(baseDir + "/" + filename); + } catch (IOException e) { + Log.w("MinetestAssetCopy","Copying file: " + baseDir + + "/" + filename + " FAILED (couldn't open output file)"); + e.printStackTrace(); + src.close(); + continue; + } + dst.write(buf, 0, len); + total_filesize += len; + + while ((len = src.read(buf)) > 0) { + dst.write(buf, 0, len); + total_filesize += len; + } + + dst.close(); + Log.w("MinetestAssetCopy","Copied file: " + m_tocopy.get(i) + " (" + total_filesize + " bytes)"); + } + else if (len < 0) { + Log.w("MinetestAssetCopy","Copying file: " + m_tocopy.get(i) + " failed, size < 0"); + } + src.close(); + } catch (IOException e) { + Log.w("MinetestAssetCopy","Copying file: " + m_tocopy.get(i) + " failed"); + e.printStackTrace(); + } + } + + return ""; + } + + protected void onProgressUpdate(Integer... progress) { + if (m_copy_started) { + m_ProgressBar.setProgress(progress[0]); + m_Filename.setText(m_tocopy.get(progress[0])); + } + else { + m_Filename.setText("scanning " + m_Foldername + " ..."); + } + } + + protected void onPostExecute (String result) { + finish(); + } + boolean m_copy_started = false; + String m_Foldername = "media"; + Vector<String> m_foldernames; + Vector<String> m_tocopy; + Vector<String> m_asset_size_unknown; + } +} |