/*
* Copyright (C) 2019 Alpha Jiang. 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 io.github.alphajiang.hyena.utils;
import io.github.alphajiang.hyena.HyenaConstants;
import io.github.alphajiang.hyena.model.exception.BaseException;
import io.github.alphajiang.hyena.model.exception.HyenaParameterException;
import io.github.alphajiang.hyena.model.exception.HyenaServiceException;
import io.github.alphajiang.hyena.model.exception.HyenaStatusException;
import org.slf4j.event.Level;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
public class HyenaAssert {
private HyenaAssert() {
// default construct
}
/**
* 用于判断状态. 不匹配时抛出 HyenaStatusException
*
* @param expression 判断条件
* @param message 错误提示文案
*/
public static void isTrue(boolean expression, String message) {
HyenaAssert.isTrue(expression, HyenaConstants.RES_CODE_STATUS_ERROR, message);
}
public static void isTrue(boolean expression, int code, String message) {
HyenaAssert.isTrue(expression, code, message, Level.WARN);
}
public static void isTrue(boolean expression, int code, String message, Level logLevel) {
HyenaAssert.isTrue(expression, code, message, logLevel, HyenaStatusException.class);
}
public static <T extends BaseException> void isTrue(boolean expression, int code,
String message, Level logLevel,
Class<T> exceptionType) {
if (!expression) {
throw HyenaAssert.genException(code, message, logLevel, exceptionType);
}
}
public static void equals(String expect, String actual, String message) {
if (!StringUtils.equals(expect, actual)) {
throw new HyenaServiceException(message, Level.WARN);
}
}
/**
* 判断字符段 expression 是否为空. 默认抛出参数错误
*
* @param expression 判断条件
* @param message 错误提示文案
*/
public static void notBlank(String expression, String message) {
HyenaAssert.notBlank(expression, HyenaConstants.RES_CODE_PARAMETER_ERROR, message);
}
/**
* 判断输入的expression是否为空字串
*
* @param expression 判断条件
* @param code 错误码
* @param message 错误提示文案
*/
public static void notBlank(String expression, int code, String message) {
HyenaAssert.notBlank(expression, code, message, Level.INFO);
}
public static void notBlank(String expression, int code, String message, Level logLevel) {
HyenaAssert.notBlank(expression, code, message, logLevel, HyenaParameterException.class);
}
public static <T extends BaseException> void notBlank(String expression, int code,
String message, Level logLevel,
Class<T> exceptionType) {
if (!StringUtils.isNotBlank(expression)) {
throw HyenaAssert.genException(code, message, logLevel, exceptionType);
}
}
public static void isNull(Object obj, String message) {
HyenaAssert.isNull(obj, HyenaConstants.RES_CODE_PARAMETER_ERROR, message);
}
public static void isNull(Object obj, int code, String message) {
HyenaAssert.isNull(obj, code, message, Level.WARN);
}
public static void isNull(Object obj, int code, String message, Level logLevel) {
HyenaAssert.isNull(obj, code, message, logLevel, HyenaParameterException.class);
}
public static <T extends BaseException> void isNull(Object obj, int code,
String message, Level logLevel,
Class<T> exceptionType) {
if (obj != null) {
throw HyenaAssert.genException(code, message, logLevel, exceptionType);
}
}
/**
* 判断对象obj是否为null. 默认抛出参数错误(status = 10000 的错误)
*
* @param obj 要校验的对象
* @param message 错误提示文案
*/
public static void notNull(Object obj, String message) {
HyenaAssert.notNull(obj, HyenaConstants.RES_CODE_PARAMETER_ERROR, message);
}
/**
* 判断对象obj是否为null.
*
* @param obj 要校验的对象
* @param code 错误码
* @param message 错误提示文案
*/
public static void notNull(Object obj, int code, String message) {
HyenaAssert.notNull(obj, code, message, Level.WARN);
}
public static void notNull(Object obj, int code, String message, Level logLevel) {
HyenaAssert.notNull(obj, code, message, logLevel, HyenaParameterException.class);
}
public static <T extends BaseException> void notNull(Object obj, int code,
String message, Level logLevel,
Class<T> exceptionType) {
if (obj == null) {
throw HyenaAssert.genException(code, message, logLevel, exceptionType);
}
}
/**
* 判断Collection对象是否为null或空
*
* @param obj 要校验的对象
* @param message 错误提示文案
*/
public static void notEmpty(Collection<?> obj, String message) {
if (CollectionUtils.isEmpty(obj)) {
throw new HyenaServiceException(HyenaConstants.RES_CODE_SERVICE_ERROR, message);
}
}
private static <T extends BaseException> BaseException genException(int code,
String message,
Level logLevel,
Class<T> exceptionType) {
try {
throw exceptionType.getDeclaredConstructor(int.class, String.class, Level.class)
.newInstance(code, message, logLevel);
} catch (NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e) {
throw new HyenaServiceException(message, Level.ERROR);
}
}
}
