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package org.blender.play;
import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import android.content.Context;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.*;
import android.util.Log;
public class PathsHelper {
static String BaseAppDir;
static {
BaseAppDir = null;
}
static public String getBaseAppDir(Context context)
{
if(BaseAppDir == null)
{
BaseAppDir = context.getFilesDir().getPath();
BaseAppDir = BaseAppDir.substring(0, BaseAppDir.lastIndexOf("/")+1);
}
return BaseAppDir;
}
static public String getFileName(String path)
{
return path.substring(path.lastIndexOf("/")+1);
}
public static void InstallFile(InputStream inputStream, String basepath)
{
try
{
ZipInputStream zip = new ZipInputStream(
new BufferedInputStream(
inputStream));
try {
byte[] buff = new byte[4096];
ZipEntry entry;
while ((entry = zip.getNextEntry()) != null) {
String filename = entry.getName();
if(filename != null)
{
if(entry.isDirectory())
{
if(!new File(basepath + filename).mkdir())
Log.e("Blender", "Cannot create "+filename+" dir.");
} else
{
FileOutputStream outfile = new FileOutputStream(basepath + filename);
try{
Log.i("Blender", "Installing " + filename);
int count;
while ((count = zip.read(buff)) != -1) {
outfile.write(buff, 0, count);
};
} finally {
outfile.close();
}
}
}
}
} finally {
zip.close();
}
}
catch (Exception e)
{
Log.w("Blender", "Error reading file: " + e);
}
}
static public boolean installIfNeeded(Context context)
{
try {
PackageInfo pack = context.getPackageManager().getPackageInfo(context.getApplicationContext().getPackageName(), 0);
String apkver =pack.versionName;
String curver = "0.0";
try{
FileInputStream fin = new FileInputStream(getBaseAppDir(context)+"version.txt");
BufferedInputStream bin = new BufferedInputStream(fin);
DataInputStream din = new DataInputStream(bin);
if(din.available()>0)
{
curver = din.readLine();
}
din.close();
bin.close();
fin.close();
} catch (Exception e){//Catch exception if any
}
if(!curver.equals(apkver))
{
try {
InstallFile(context.getAssets().open("internalfiles.zip"), getBaseAppDir(context));
} catch (IOException e1) {
}
try{
FileWriter fout = new FileWriter(getBaseAppDir(context)+"version.txt");
BufferedWriter out = new BufferedWriter(fout);
out.write(apkver);
out.close();
}catch (Exception e)
{
}
return true;
}
} catch (NameNotFoundException e) {
}
return false;
}
}
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