com.hazelcast.util.ValidationUtil Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2013, Hazelcast, Inc. 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.
*/
package com.hazelcast.util;
import static java.lang.String.format;
/**
* A utility class for validating arguments and state.
*/
public final class ValidationUtil {
private ValidationUtil() {
}
public static String hasText(String argument, String argName) {
isNotNull(argument, argName);
if (argument.isEmpty()) {
throw new IllegalArgumentException(format("argument '%s' can't be an empty string", argName));
}
return argument;
}
public static E isNotNull(E argument, String argName) {
if (argument == null) {
throw new IllegalArgumentException(format("argument '%s' can't be null", argName));
}
return argument;
}
public static void isNotNegative(long value, String argumentName) {
if (value < 0) {
throw new IllegalArgumentException(argumentName + " cannot be negative!");
}
}
public static void shouldBePositive(long value, String argumentName) {
if (value <= 0) {
throw new IllegalArgumentException(argumentName + " should be positive!");
}
}
}