/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.dubbo.common.utils;

import java.util.function.Supplier;

public abstract class Assert {

    protected Assert() {}

    public static void notNull(Object obj, String message) {
        if (obj == null) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notEmptyString(String str, String message) {
        if (StringUtils.isEmpty(str)) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notNull(Object obj, RuntimeException exception) {
        if (obj == null) {
            throw exception;
        }
    }

    public static void assertTrue(boolean condition, String message) {
        if (!condition) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void assertTrue(boolean expression, Supplier<String> messageSupplier) {
        if (!expression) {
            throw new IllegalStateException(nullSafeGet(messageSupplier));
        }
    }

    private static String nullSafeGet(Supplier<String> messageSupplier) {
        return (messageSupplier != null ? messageSupplier.get() : null);
    }
}
