sysconfig.java

Java Mail Server JAVA编写的邮件服务器

/****************************************************************
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.     *
 *                                                              *
 * Copyright 2008 Jun Li(SiChuan University, the School of      *
 * Software Engineering). All rights reserved.                  *
 *                                                              *
 * Licensed to the JMS under one  or more contributor license   *
 * agreements.  See the LICENCE file  distributed with this     *
 * work for additional information regarding copyright          *
 * ownership.  The JMS licenses this file  you may not use this *
 * file except in compliance  with the License.                 *
 *                                                              *
 * Unless required by applicable law or agreed to in writing,   *
 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
 * specific language governing permissions and limitations      *
 * under the License.                                           *
 ****************************************************************/
package org.jpxx.mail.Config;

import org.jpxx.mail.Domain.DomainHandler;
import java.io.File;
import org.jpxx.mail.Constants;

/**
 * This clsss is to manage JMS config.
 * 
 * @author Jun Li
 * @version $Revision: 0.0.3 $, $Date: 2008/05/20 $
 * @since Version 0.0.1
 * 
 */
public class SysConfig extends Config {

    /**
     * JMS supports one or more SMTP server in one server with diferent ports.
     * @return the array of smtp server ports
     */
    public int[] getSmtpPort() {
        String smtpPort = config.getValue("SmtpPort");
        if (smtpPort.equals("")) {
            config.add("SmtpPort", "25");
            return getDefaultSmtpPort();
        } else {
            return getDefaultPort(smtpPort);
        }
    }

    /**
     * JMS supports one or more POP3 server in one server with diferent ports.
     * @return the array of pop3 server ports
     */
    public int[] getPop3Port() {
        String pop3Port = config.getValue("Pop3Port");
        if (pop3Port.equals("")) {
            config.add("Pop3Port", "110");
            return getDefaultPop3Port();
        } else {
            return getDefaultPort(pop3Port);
        }
    }

    /**
     * Allow anonymous user to send mail by this server?
     * 
     * @return  anonymous user to send mail by this server return true, 
     * otherwise returnt false.
     */
    public boolean isAllowAnonymousUser() {
        if (config.getValue("IsAllowAnonymousUser").equals("")) {
            config.add("IsAllowAnonymousUser", "false");
            return false;
        } else {
            try {
                return Boolean.getBoolean(config.getValue("IsAllowAnonymousUser"));
            } catch (Exception e) {
                return false;
            }
        }
    }

    /**
     * Get current db type
     * 
     * @return current db type
     */
    public int getDBType() {
        if (config.getValue("DBType").equals("")) {
            config.add("DBType", "1");
            return 1;
        } else {
            return Integer.parseInt(config.getValue("DBType"));
        }
    }

    /**
     * Get default mailbox size (K)
     * @return default mailbox size 
     */
    public long getDefaltMailBoxSize() {
        if (config.getValue("DefaltMailBoxSize").equals("")) {
            config.add("DefaltMailBoxSize", String.valueOf(
                    Constants.DEFAUL_MAILBOX_SIZE));
            return 1;
        } else {
            return Long.parseLong(config.getValue("DefaltMailBoxSize"));
        }
    }

    /**
     * 
     * @return User's home directory
     */
    public String getHomeDir(String userName, String domain) {
        String path = Constants.HOME_DIR + domain + File.separator + userName +
                File.separator + "MailBox" + File.separator;
        return path;
    }

    /**
     * Get Server Temp Directory
     * @return Server Temp Directory
     */
    public String getTempDir() {
        return Constants.TEMP_DIR;
    }

    /**
     * Get smpt server port
     * @return smpt server port
     */
    private int[] getDefaultSmtpPort() {
        return getDefaultPort(Constants.DEFAULT_SMTP_PORT);
    }

    /**
     * Get pop3 server port
     * @return pop3 server port
     */
    private int[] getDefaultPop3Port() {
        return getDefaultPort(Constants.DEFAULT_POP3_PORT);
    }

    /**
     * Convert a int to a array.
     * @param port server port
     * @return a array of port
     */
    private int[] getDefaultPort(int port) {
        int _port[] = new int[1];
        _port[0] = port;
        return _port;
    }

    /**
     * Get a email address to send mail back when delivery error
     * @return a email address
     */
    public String getSystemReplyMail() {
        DomainHandler dc = new DomainHandler();
        String domain = dc.getDefaultDomain();
        if (domain == null) {
            return "[e-mail]";
        }

        if (config.getValue("SystemReplyMail").equals("")) {
            config.add("SystemReplyMail", "MAIL_SEND_ERROR@" + domain);
            return "MAIL_SEND_ERROR@" + domain;
        } else {
            return config.getValue("SystemReplyMail");
        }
    }

    /**
     * Get the Console Server port. If not exists, add the default port--8707
     * and return.
     * @since JMS 0.0.3 #2008-10-25#
     * @return Console Server port.
     */
    public int getConsolePort() {
        if (config.getValue("ConsolePort").equals("")) {
            config.add("ConsolePort", "8707");
            return 8707;
        } else {
            return Integer.parseInt(config.getValue("ConsolePort"));
        }
    }

    /**
     * Get port from string
     * @param port
     * @return an array of ports
     */
    private int[] getDefaultPort(String port) {
        if (port.lastIndexOf(",") == -1) {
            return getDefaultPort(Integer.parseInt(port));
        } else {
            String p[] = port.split(",");
            int _p[] = new int[p.length];
            for (int i = 0; i < p.length; i++) {
                try {
                    _p[i] = Integer.parseInt(p[i]);
                } catch (Exception e) {
                    throw new UnknownError(_p[i] + " is not a number!");
                }
            }
            return _p;
        }
    }
}