session-android/src/org/thoughtcrime/securesms/profiles/AvatarHelper.java
2018-03-19 14:10:21 -07:00

62 lines
1.8 KiB
Java

package org.thoughtcrime.securesms.profiles;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.annimon.stream.Stream;
import org.thoughtcrime.securesms.database.Address;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
public class AvatarHelper {
private static final String AVATAR_DIRECTORY = "avatars";
public static InputStream getInputStreamFor(@NonNull Context context, @NonNull Address address)
throws IOException
{
return new FileInputStream(getAvatarFile(context, address));
}
public static List<File> getAvatarFiles(@NonNull Context context) {
File avatarDirectory = new File(context.getFilesDir(), AVATAR_DIRECTORY);
File[] results = avatarDirectory.listFiles();
if (results == null) return new LinkedList<>();
else return Stream.of(results).toList();
}
public static void delete(@NonNull Context context, @NonNull Address address) {
getAvatarFile(context, address).delete();
}
public static @NonNull File getAvatarFile(@NonNull Context context, @NonNull Address address) {
File avatarDirectory = new File(context.getFilesDir(), AVATAR_DIRECTORY);
avatarDirectory.mkdirs();
return new File(avatarDirectory, new File(address.serialize()).getName());
}
public static void setAvatar(@NonNull Context context, @NonNull Address address, @Nullable byte[] data)
throws IOException
{
if (data == null) {
delete(context, address);
} else {
FileOutputStream out = new FileOutputStream(getAvatarFile(context, address));
out.write(data);
out.close();
}
}
}