com.dtsx.astra.sdk.utils.Assert Maven / Gradle / Ivy
/*
* Copyright DataStax, 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.
*/
package com.dtsx.astra.sdk.utils;
/**
* Syntaxic sugar for common validations.
*
* @author Cedrick LUNVEN (@clunven)
*/
public class Assert {
/**
* Hide default.
*/
private Assert() {}
/**
* Input string should not be empty.
*
* @param s
* string value
* @param name
* param name
*/
public static void hasLength(String s, String name) {
if (s == null || "".equals(s)) {
throw new IllegalArgumentException("Parameter '" + name + "' should be null nor empty");
}
}
/**
* Input object should not be null
* @param o
* object value
* @param name
* param name
*/
public static void notNull(Object o, String name) {
if (o == null) {
throw new IllegalArgumentException("Parameter '" + name + "' should be null nor empty");
}
}
/**
* Check condition at start.
*
* @param b
* predicate should be true
* @param msg
* error message
*/
public static void isTrue(Boolean b, String msg) {
if (!b) {
throw new IllegalArgumentException(msg);
}
}
}