Global Application Exception

AppException.java

package com.labs.app.api.domain.exception;

import java.util.function.Supplier;

public class AppException extends RuntimeException {

    private final int errorCode;

    public AppException(final String reason) {
        super(reason);
        this.errorCode = -1;
    }

    public AppException(final int code, final String reason) {
        super(reason);
        this.errorCode = code;
    }

    public AppException(final String message, final Throwable cause) {
        super(message, cause);
        this.errorCode = -1;
    }

    public AppException(final String message, final int code, final Throwable cause) {
        super(message, cause);
        this.errorCode = code;
    }

    public int getErrorCode() {
        return errorCode;
    }

    public static Supplier<AppException> toSupplier(final String reason) {
        return () -> new AppException(reason);
    }

    public static Supplier<AppException> toSupplier(final int code, final String reason) {
        return () -> new AppException(code, reason);
    }

    public static Runnable toRunnable(final int code, final String reason) {
        return () -> {
            throw new AppException(code, reason);
        };
    }

    public static Supplier<AppException> toSupplier(final String reason, final Throwable cause) {
        return () -> new AppException(reason, cause);
    }

    public static Supplier<AppException> toSupplier(final String reason, final int code, final Throwable cause) {
        return () -> new AppException(reason, code, cause);
    }

}