com.beust.jcommander.validators.PositiveInteger Maven / Gradle / Ivy
/**
* Copyright (C) 2011 the original author or authors.
* See the notice.md file distributed with this work for additional
* information regarding copyright ownership.
*
* 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.
*/
package com.beust.jcommander.validators;
import com.beust.jcommander.IParameterValidator;
import com.beust.jcommander.ParameterException;
/**
* A validator that makes sure the value of the parameter is a positive integer.
*
* @author Cedric Beust <[email protected]>
*/
public class PositiveInteger implements IParameterValidator {
public void validate(String name, String value)
throws ParameterException {
int n = Integer.parseInt(value);
if (n < 0) {
throw new ParameterException("Parameter " + name
+ " should be positive (found " + value +")");
}
}
}