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A set of utilities for Java
There is a newer version: 3.0.0
package org.rx.exception;

import lombok.Getter;
import lombok.NonNull;
import lombok.Setter;
import lombok.SneakyThrows;
import org.rx.core.Arrays;
import org.rx.core.Linq;
import org.rx.core.Reflects;
import org.rx.core.Strings;
import org.rx.util.Snowflake;
import org.slf4j.helpers.MessageFormatter;

import static org.rx.core.Extends.*;

/**
 * ex.fillInStackTrace()
 * https://northconcepts.com/blog/2013/01/18/6-tips-to-improve-your-exception-handling/
 */
@Getter
public class ApplicationException extends InvalidException {
    private static final long serialVersionUID = -2150583552731782944L;
    public static final String DEFAULT_MESSAGE = "网络繁忙，请稍后再试。";

    public static String getMessage(Throwable e) {
        if (e == null) {
            return DEFAULT_MESSAGE;
        }

        ApplicationException applicationException = as(e, ApplicationException.class);
        if (applicationException == null) {
            return ifNull(e.getMessage(), DEFAULT_MESSAGE);
        }
        return applicationException.getFriendlyMessage();
    }

    private final long id = Snowflake.DEFAULT.nextId();
    private final Object errorCode;
    private final Object[] codeValues;
    @Setter
    private String friendlyMessage;
    private final Linq stacks;

    @Override
    public String getMessage() {
        return ifNull(friendlyMessage, String.format("%s %s", id, super.getMessage()));
    }

    public String getFriendlyMessage() {
        return ifNull(friendlyMessage, DEFAULT_MESSAGE);
    }

    public ApplicationException(Object[] codeValues) {
        this(codeValues, null);
    }

    public ApplicationException(Object[] codeValues, Throwable cause) {
        this(Strings.EMPTY, codeValues, cause);
    }

    public > ApplicationException(T errorCode, Object... codeValues) {
        this(errorCode,
                MessageFormatter.getThrowableCandidate(codeValues) != null ? MessageFormatter.trimmedCopy(codeValues) : codeValues,
                MessageFormatter.getThrowableCandidate(codeValues));
    }

    public ApplicationException(String errorCode, Object... codeValues) {
        this(errorCode,
                MessageFormatter.getThrowableCandidate(codeValues) != null ? MessageFormatter.trimmedCopy(codeValues) : codeValues,
                MessageFormatter.getThrowableCandidate(codeValues));
    }

    @SneakyThrows
    protected ApplicationException(@NonNull Object errorCode, Object[] codeValues, Throwable cause) {
        super(cause != null ? cause.getMessage() : null, cause);
        require(errorCode, Linq.from(Enum.class, String.class).any(p -> Reflects.isInstance(errorCode, p)));

        this.errorCode = errorCode;
        if (codeValues == null) {
            codeValues = Arrays.EMPTY_OBJECT_ARRAY;
        }
        this.codeValues = codeValues;
        if (errorCode instanceof CharSequence) {
            stacks = Reflects.stackTrace(8);
        } else {
            stacks = null;
        }
        YamlCodeHandler.INSTANCE.handle(this);
    }
}