io.xream.sqli.util.SqliExceptionUtil Maven / Gradle / Ivy

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/*
 * Copyright 2020 io.xream.sqli
 *
 * 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 io.xream.sqli.util;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.UndeclaredThrowableException;


/**
 * @Author Sim
 */
public class SqliExceptionUtil {

    private SqliExceptionUtil(){}

    public static void throwRuntimeExceptionFirst(Throwable e) {
        if (e instanceof RuntimeException){
            throw (RuntimeException) e;
        }
    }

    public static String getMessage(Throwable e){
        String msg = e.getMessage();
        msg += "\n";
        StackTraceElement[] eleArr = e.getStackTrace();
        if (eleArr == null || eleArr.length == 0)
            return msg;
        for (StackTraceElement ele : eleArr) {
            msg += ele.toString();
            msg += "\n";
        }
        return msg;
    }

    public static Throwable unwrapThrowable(Throwable wrapped) {
        Throwable unwrapped = wrapped;
        while (true) {
            if (unwrapped instanceof InvocationTargetException) {
                unwrapped = ((InvocationTargetException) unwrapped).getTargetException();
            } else if (unwrapped instanceof UndeclaredThrowableException) {
                unwrapped = ((UndeclaredThrowableException) unwrapped).getUndeclaredThrowable();
            } else {
                return unwrapped;
            }
        }
    }
}