mailengine.java

一个关于tlms的一个小程序 看看能否帮助到别人

package com.szmx.component.mail;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.exception.VelocityException;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.ui.velocity.VelocityEngineUtils;

import javax.mail.internet.MimeMessage;
import javax.mail.MessagingException;
import java.util.Map;
import java.io.File;

/**
 * ================================================================
 * Copyright 2006 szmx
 * <p/>
 * Change Revision
 * ---------------------------------------------------------------
 * Date              Author            Remarks
 * Mar 20, 2006     BZhang      Create class com.szmx.component.mail.MailEngine
 * ================================================================
 */
public class MailEngine {
    protected static final Log logger = LogFactory.getLog(MailEngine.class);
    private JavaMailSender javaMailSender;
    private VelocityEngine velocityEngine;

    //================================ Setter  ===================================
    public void setJavaMailSender(JavaMailSender javaMailSender) {
        this.javaMailSender = javaMailSender;
    }

    public void setVelocityEngine(VelocityEngine velocityEngine) {
        this.velocityEngine = velocityEngine;
    }

    //================================ MimeMail  =====================================
    public boolean sendMessage(String from, String to, String subject,
                               boolean isHtml, File[] attachmentFiles,
                               String velocityTemplateLocation, Map model) {
        String textMsg;
        try {
            textMsg = VelocityEngineUtils.mergeTemplateIntoString(velocityEngine, velocityTemplateLocation, model);
        } catch (VelocityException e) {
            logger.error("Mail Template Error :\n" + e);
            return false;
        }

        try {
            MimeMessage message = javaMailSender.createMimeMessage();
            MimeMessageHelper helper = new MimeMessageHelper(message, true, "GB2312");
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(textMsg, isHtml);
            if (attachmentFiles != null) {
                for(int i=0; i<attachmentFiles.length; i++) {
                    File attFile = attachmentFiles[i];
                    if (attFile != null && attFile.exists()) {
                        helper.addAttachment(attFile.getName(), attFile);
                    }
                }
            }
            javaMailSender.send(message);
            logger.info("Sending mail to [" + to +"]");
        } catch (MessagingException e) {
            logger.error("Mime Message Error :\n" + e);
            return false;
        }

        return true;
    }
}