package aQute.bnd.build.model.conversions;
import java.util.ArrayList;
import java.util.List;
import aQute.bnd.osgi.Constants;
import aQute.libg.qtokens.QuotedTokenizer;
public class SimpleListConverter<R> implements Converter<List<R>,String> {
private Converter< ? extends R, ? super String> itemConverter;
public static <R> Converter<List<R>,String> create(Converter<R, ? super String> itemConverter) {
return new SimpleListConverter<R>(itemConverter);
}
public static Converter<List<String>,String> create() {
return new SimpleListConverter<String>(new NoopConverter<String>());
}
private SimpleListConverter(Converter< ? extends R, ? super String> itemConverter) {
this.itemConverter = itemConverter;
}
public List<R> convert(String input) throws IllegalArgumentException {
if (input == null)
return null;
List<R> result = new ArrayList<R>();
if (input == null || Constants.EMPTY_HEADER.equalsIgnoreCase(input.trim()))
return result;
QuotedTokenizer qt = new QuotedTokenizer(input, ",");
String token = qt.nextToken();
while (token != null) {
result.add(itemConverter.convert(token.trim()));
token = qt.nextToken();
}
return result;
}
@Override
public List<R> error(String msg) {
List<R> l = new ArrayList<R>();
l.add(itemConverter.error(msg));
return l;
}
}