org.joyqueue.handler.util.ExceptionUtils Maven / Gradle / Ivy
/**
* Copyright 2019 The JoyQueue Authors.
*
* 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 org.joyqueue.handler.util;
import org.joyqueue.handler.error.ConfigException;
import org.joyqueue.handler.error.ErrorCode;
import org.joyqueue.handler.error.IdentifierException;
import org.joyqueue.model.domain.Identifier;
/**
* Created by bjliuyong on 2018/10/29.
*/
public class ExceptionUtils {
/**
* Ensures the truth of an expression involving one or more parameters to the calling method.
* @param expression a boolean expression
* @param errorCode the errorCode to use if the check fails
* @throws ConfigException if {@code expression} is false
* @see ErrorCode
*/
public static void checkArgument(boolean expression , ErrorCode errorCode) {
if( !expression ) {
throw new ConfigException(errorCode) ;
}
}
/**
* Ensures the truth of an expression involving one or more parameters to the calling method.
* @param expression a boolean expression
* @param errorCode the errorCode to use if the check fails
* @param errorMessage the exception message to use if the check fails; will be converted to a
* string using {@link String#valueOf(Object)}
* @throws ConfigException if {@code expression} is false
* @see ErrorCode
*/
public static void checkArgument(boolean expression , ErrorCode errorCode , Object errorMessage) {
if( !expression ) {
throw new ConfigException(errorCode , String.valueOf(errorMessage)) ;
}
}
/**
* Ensures the truth of an expression involving the state of the calling instance, but not
* involving any parameters to the calling method.
*
* @param expression a boolean expression
* @param errorMessage the exception message to use if the check fails; will be converted to a
* string using {@link String#valueOf(Object)}
* @throws IllegalStateException if {@code expression} is false
*/
public static void checkState(boolean expression , Object errorMessage) {
if (!expression) {
throw new IllegalStateException(String.valueOf(errorMessage));
}
}
/**
* Ensures input is an identifier and its length less than or equal maxLength
*
* @param input
* @param maxLength
* @throws IdentifierException if {@code input } is not identifier
*/
public static void checkIdentifier(String input , int maxLength ,String field ) {
if( !Identifier.isIdentifier(input , maxLength) ) {
throw new ConfigException(ErrorCode.BadRequest , field + " 必须为标识符，以英文字母开头，英文字母、阿拉伯数字、下划线、横线或小数点组成，最大长度为" + maxLength) ;
}
}
/**
* Ensures input is an identifier and its length less than or equal maxLength
*
* @param input
* @param maxLength
* @throws IdentifierException if {@code input } is not identifier
*/
public static void checkIdentifier(String input , int maxLength) {
if( !Identifier.isIdentifier(input , maxLength) ) {
throw new IdentifierException(maxLength) ;
}
}
/**
* Ensures input is an identifier and its length less than or equal maxLength
*
* @param identifier
* @param maxLength
* @throws IdentifierException if {@code input } is not identifier
*/
public static void checkIdentifier(Identifier identifier , int maxLength) {
checkIdentifier(identifier.getCode() , maxLength);
}
}