// This string is autogenerated by ChangeAppSettings.sh, do not change
// spaces amount
package com.googlecode.opentyrian;

import java.util.zip.*;
import java.io.*;
import android.util.Log;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;

import android.content.res.AssetManager;

class AssetExtract {

    private AssetManager mAssetManager = null;
    
    AssetExtract(AssetManager am) {
        mAssetManager = am;
    }
    
    
    public boolean extract(String asset, String target) {

        byte buf[] = new byte[1024 * 1024];
        
        InputStream assetStream = null;
        
        try {
            assetStream = mAssetManager.open(asset, AssetManager.ACCESS_RANDOM);
        } catch (IOException e) {
            // TODO: Report error.
            return false;
        }
                
        ZipInputStream zip = new ZipInputStream(assetStream);

        while (true) {
            ZipEntry entry = null;

            try {
                entry = zip.getNextEntry();
            } catch ( java.io.IOException e ) {
                // Todo: Error out.
                return false;
            }

            if ( entry == null ) {
                break;
            }

            Log.i("AssetExtract", "Extracting " + entry.getName());
            
            if (entry.isDirectory()) {

                try {
                    new File(target +"/" + entry.getName()).mkdirs();
                } catch ( SecurityException e ) { };

                continue;
            }

            OutputStream out = null;

            String path = target + "/" + entry.getName();

            try {
                out = new FileOutputStream( path );
            } catch ( FileNotFoundException e ) {
            } catch ( SecurityException e ) { };
            if ( out == null ) {
                // TODO: Error.
                return false;
            }

            try {
                while (true) {
                    int len = zip.read(buf);
                    
                    if (len == -1) {
                        break;
                    }
                    
                    out.write(buf, 0, len);
                }
                
                out.flush();
                out.close();
            } catch ( java.io.IOException e ) {
                // TODO: Deal w/ error.
                return false;
            }
        }

        try {
            zip.close();
            assetStream.close();
        } catch (IOException e) {
            // pass
        }
            
        return true;
    }
}