/*************************GO-LICENSE-START*********************************
* Copyright 2014 ThoughtWorks, Inc.
*
* 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.
*************************GO-LICENSE-END***********************************/
package com.thoughtworks.go.validation;
import com.thoughtworks.go.domain.materials.ValidationBean;
import org.apache.commons.lang.StringUtils;
public class LengthValidator extends Validator<String> {
private final int length;
public LengthValidator(int length) {
super("Only " + length + " characters are allowed");
this.length = length;
}
public ValidationBean validate(String value) {
if (StringUtils.isEmpty(value)) {
return ValidationBean.valid();
}
if (value.length() <= length) {
return ValidationBean.valid();
} else {
return ValidationBean.notValid(errorMessage);
}
}
}