java通过抛异常来返回提示信息

    public Throwable(String message) {
        fillInStackTrace();
        detailMessage = message;
    }

    public Throwable(String message, Throwable cause) {
        fillInStackTrace();
        detailMessage = message;
        this.cause = cause;
    }

    public Throwable(Throwable cause) {
        fillInStackTrace();
        detailMessage = (cause==null ? null : cause.toString());
        this.cause = cause;
    }

exception.ProcessorException: java.lang.IllegalArgumentException: Failt to process

exception.ProcessorException: exception.ProcessorException: java.lang.IllegalArgumentException: Failt to process

package exception;

/*2015-8-22*/
public class ExceptionChain {
    public static void main(String[] args) {
        Business business = new Business();
        try {
            business.doBusiness();
        } catch (ProcessorException e) {
            System.out.println(e.getMessage());
            System.out.println("e:\n" + e);
        }

    }

}

class Business {

    public void doBusiness() throws ProcessorException {

        try {
            process1();
        } catch (Exception e) {
            throw new ProcessorException(e);
            // throw new ProcessorException(e.getMessage(), e);
            // throw new ProcessorException(e.getMessage());
        }

    }

    private void process1() throws ProcessorException {
        try {
            process2();
        } catch (Exception e) {
            // throw new ProcessorException(e.getMessage(), e);
            // throw new ProcessorException(e.getMessage());
            throw new ProcessorException(e);
        }

    }

    private void process2() {
        throw new IllegalArgumentException("Failt to process");
    }

}

class ProcessorException extends Exception {

    private static final long serialVersionUID = -4270191862690602942L;

    public ProcessorException(Throwable cause) {
        super(cause);
    }

    public ProcessorException(String message) {
        super(message);
    }

    public ProcessorException(String message, Throwable cause) {
        super(message, cause);
    }

}

    public Throwable(String message) {
        fillInStackTrace();
        detailMessage = message;
    }

    /**
     * Fills in the execution stack trace. This method records within this
     * <code>Throwable</code> object information about the current state of
     * the stack frames for the current thread.
     *
     * @return  a reference to this <code>Throwable</code> instance.
     * @see     java.lang.Throwable#printStackTrace()
     */
    public synchronized native Throwable fillInStackTrace();

Failt to process

exception.ProcessorException: Failt to process

    public Throwable(String message, Throwable cause) {
        fillInStackTrace();
        detailMessage = message;
        this.cause = cause;
    }

exception.ProcessorException: Failt to process