/**
* Converts between an id and an account owner. A valid id means a Member, while an invalid means
* system
*
* @author luis
*/
public class AccountOwnerConverter implements Converter<AccountOwner> {
private static final long serialVersionUID = -4876497836403187578L;
private static final AccountOwnerConverter INSTANCE = new AccountOwnerConverter(false);
private static final AccountOwnerConverter ZERO_IS_SYSTEM_INSTANCE =
new AccountOwnerConverter(true);
private static final ReferenceConverter<Member> REFERENCE_CONVERTER =
ReferenceConverter.instance(Member.class);
public static AccountOwnerConverter instance() {
return INSTANCE;
}
public static AccountOwnerConverter zeroIsSystemInstance() {
return ZERO_IS_SYSTEM_INSTANCE;
}
private final boolean zeroIsSystem;
private AccountOwnerConverter(final boolean zeroIsSystem) {
this.zeroIsSystem = zeroIsSystem;
}
public boolean isZeroIsSystem() {
return zeroIsSystem;
}
public String toString(final AccountOwner object) {
if (object instanceof Member) {
return REFERENCE_CONVERTER.toString((Member) object);
}
return "";
}
public AccountOwner valueOf(final String string) {
final Member member = REFERENCE_CONVERTER.valueOf(string);
return member == null
? (zeroIsSystem ? SystemAccountOwner.instance() : LoggedUser.accountOwner())
: member;
}
}
public AccountOwner valueOf(final String string) {
final Member member = REFERENCE_CONVERTER.valueOf(string);
return member == null
? (zeroIsSystem ? SystemAccountOwner.instance() : LoggedUser.accountOwner())
: member;
}
public String toString(final AccountOwner object) {
if (object instanceof Member) {
return REFERENCE_CONVERTER.toString((Member) object);
}
return "";
}