com.blade.kit.Assert Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of blade-mvc Show documentation

blade mvc

There is a newer version: 2.0.15.RELEASE

package com.blade.kit;

import com.blade.exception.BladeException;

import java.util.concurrent.Callable;

/**
 * Assert Kit
 *
 * @author biezhi
 *         2017/5/31
 */
public class Assert {

    public static void greaterThan(double num, double exp, String msg) {
        if (num < exp) {
            throw new IllegalArgumentException(msg);
        }
    }

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

    public static void notEmpty(String str, String msg) {
        if (null == str || "".equals(str)) {
            throw new IllegalArgumentException(msg);
        }
    }

    public static  void notEmpty(T[] arr, String msg) {
        if (null == arr || arr.length == 0) {
            throw new IllegalArgumentException(msg);
        }
    }

    public static  T wrap(Callable callable) {
        try {
            return callable.call();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public static void throwException(String msg) throws BladeException {
        throw new BladeException(msg);
    }

    public static void throwException(Throwable t) throws BladeException {
        throw new BladeException(t);
    }

}