com.github.fracpete.wekavirtualenv.command.ErrorHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of weka-virtualenv Show documentation

Virtual environment managment for Weka.

The newest version!

/*
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see .
 */

/*
 * ErrorHandler.java
 * Copyright (C) 2018 University of Waikato, Hamilton, NZ
 */

package com.github.fracpete.wekavirtualenv.command;

/**
 * Interface for classes that handle errors.
 *
 * @author FracPete (fracpete at waikato dot ac dot nz)
 */
public interface ErrorHandler {

  /**
   * Stores and outputs the error message.
   *
   * @param msg		the message
   * @param t 		the associated exception
   */
  public void addError(String msg, Throwable t);

  /**
   * Stores and outputs the error message.
   *
   * @param msg		the message
   */
  public void addError(String msg);

  /**
   * Returns whether any errors were recorded.
   *
   * @return		true if errors present
   */
  public boolean hasErrors();

  /**
   * Returns the errors.
   *
   * @return		the errors, null if none present
   */
  public String getErrors();
}