/*
* @copyright 2013 Philip Warner
* @license GNU General Public License
*
* This file is part of Book Catalogue.
*
* Book Catalogue is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Book Catalogue is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Book Catalogue. If not, see <http://www.gnu.org/licenses/>.
*/
package com.eleybourn.bookcatalogue.datamanager;
import com.eleybourn.bookcatalogue.R;
/**
* Validator to apply a default value and validate as integer.
*
* @author Philip Warner
*
*/
public class IntegerValidator extends DefaultFieldValidator {
IntegerValidator() {
super();
}
IntegerValidator(String defaultValue) {
super(defaultValue);
}
@Override
public void validate(DataManager data, Datum datum, boolean crossValidating) {
if (!datum.isVisible()) {
// No validation required for invisible fields
return;
}
if (crossValidating)
return;
// Will throw on failure...
super.validate(data, datum, crossValidating);
Object o = null;
try {
o = data.get(datum);
Integer v;
if (o instanceof Integer) {
v = (Integer)o;
} else {
v = Integer.parseInt(o.toString());
}
data.putInt(datum, v);
return;
} catch (Exception e) {
throw new ValidatorException(R.string.vldt_integer_expected, new Object[]{datum.getKey()});
}
}
}