Java tutorial
/* * Copyright (C) 2011 Jefferson Campos <foguinho.peruca@gmail.com> * This file is part of awknet-commons - http://awknet-commons.awknet.org * * Awknet-commons 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. * * Awknet-commons 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 awknet-commons. If not, see <http://www.gnu.org/licenses/>. */ package org.awknet.commons.exception; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class UserException extends Exception { private static final long serialVersionUID = 6196598941109275246L; private static final Log LOG = LogFactory.getLog(UserException.class); public static final String MSG_GENERIC = "[USER] NOSENSE!!! - GENERIC ERROR WITH USER!"; public static final String MSG_ID = "[USER] NOSENSE a user with ID!"; public static final String MSG_PASSWORD = "[USER] NOSENSE a user with PASSWORD!"; public static final String MSG_EMAIL_NULL = "[USER] user without PASSWORD in DB!"; public static final String MSG_LOGIN = "[USER] User with LOGIN INVALID!"; public static final String MSG_VALIDATION = "[USER] User is INVALID!"; public static final String MSG_PERSIST = "[USER] User COULD NOT BE SAVED/UPDATED!"; public static final String MSG_ENCRYPT_PASSWORD = "[USER] Encryption raised an exception!"; public static final int ID = 0; public static final int PASSWORD = 1; public static final int MAIL_NULL = 2; public static final int LOGIN = 3; public static final int VALIDATION = 4; public static final int PERSIST = 5; public static final int ENCRYPT_PASSWORD = 6; private int code; public UserException(int error) { this.code = error; } public UserException(UserExceptionType error) { this.code = error.getType(); } @Override public String getMessage() { switch (code) { case ID: LOG.error(UserException.MSG_ID); return UserException.MSG_ID; case PASSWORD: LOG.error(UserException.MSG_PASSWORD); return UserException.MSG_PASSWORD; case MAIL_NULL: LOG.error(UserException.MSG_EMAIL_NULL); return UserException.MSG_EMAIL_NULL; case LOGIN: LOG.error(UserException.MSG_LOGIN); return UserException.MSG_LOGIN; case VALIDATION: LOG.error(UserException.MSG_VALIDATION); return UserException.MSG_VALIDATION; case PERSIST: LOG.error(UserException.MSG_PERSIST); return UserException.MSG_PERSIST; case ENCRYPT_PASSWORD: LOG.error(UserException.MSG_PERSIST); return UserException.MSG_PERSIST; default: LOG.error(MSG_GENERIC); return MSG_GENERIC; } } }