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A single bundled dependency that includes all service and dependent JARs with third-party libraries
relocated to different namespaces.
/*
* Copyright 2010-2019 Amazon.com, Inc. or its affiliates. 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.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
* According to cos feature, we modify some class,comment, field name, etc.
*/
package com.qcloud.cos.utils;
/**
* Useful utilities to validate dependencies
*/
public class ValidationUtils {
/**
* Asserts that the given number is positive (non-negative and non-zero).
*
* @param num Number to validate
* @param fieldName Field name to display in exception message if not positive.
* @return Number if positive.
*/
public static int assertIsPositive(int num, String fieldName) {
if (num <= 0) {
throw new IllegalArgumentException(String.format("%s must be positive", fieldName));
}
return num;
}
/**
* Asserts that the given object is non-null and returns it.
*
* @param object
* Object to assert on
* @param fieldName
* Field name to display in exception message if null
* @return Object if non null
* @throws IllegalArgumentException
* If object was null
*/
public static T assertNotNull(T object, String fieldName) throws IllegalArgumentException {
if (object == null) {
throw new IllegalArgumentException(String.format("%s cannot be null", fieldName));
}
return object;
}
}
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