/*
* Copyright (c) 2005-2011 Grameen Foundation USA
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
* See also http://www.apache.org/licenses/LICENSE-2.0.html for an
* explanation of the license and how it is applied.
*/
package org.mifos.framework.formulaic;
/*
* This validator converts strings into integers
*/
public class IntValidator extends IsInstanceValidator {
public static final String PARSE_ERROR = "errors.formulaic.IntValidator.parse";
public IntValidator() {
super(String.class);
}
@Override
public Integer validate(Object input) throws ValidationError {
input = super.validate(input);
try {
String inputString = (String) input;
int result = Integer.parseInt(inputString);
return result;
}
catch (NumberFormatException e) {
throw makeError(input, ErrorType.INVALID_INT);
}
}
}