package org.ebookdroid.common.settings.base;
import org.ebookdroid.CodecType;
import android.content.SharedPreferences;
import java.util.HashSet;
import java.util.Set;
import org.emdev.common.filesystem.FileExtensionFilter;
import org.emdev.common.settings.base.JsonObjectPreferenceDefinition;
import org.json.JSONObject;
public class FileTypeFilterPreferenceDefinition extends JsonObjectPreferenceDefinition {
public FileTypeFilterPreferenceDefinition(final int keyRes) {
super(keyRes);
}
public FileExtensionFilter getFilter(final SharedPreferences prefs) {
final JSONObject obj = getPreferenceValue(prefs);
final Set<String> res = new HashSet<String>();
for (final String ex : CodecType.getAllExtensions()) {
if (!obj.has(ex) || obj.optBoolean(ex)) {
res.add(ex);
}
}
return new FileExtensionFilter(res);
}
}