com.netsteadfast.greenstep.util.MailClientUtils.java Source code

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Here is the source code for com.netsteadfast.greenstep.util.MailClientUtils.java

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/* 
 * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * 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.
 * 
 * -----------------------------------------------------------------------
 * 
 * author:    Chen Xin Nien
 * contact: chen.xin.nien@gmail.com
 * 
 */
package com.netsteadfast.greenstep.util;

import java.io.File;

import javax.mail.internet.MimeMessage;

import org.apache.commons.lang3.StringUtils;
import org.springframework.mail.MailException;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;

import com.netsteadfast.greenstep.base.AppContext;
import com.netsteadfast.greenstep.base.Constants;
import com.netsteadfast.greenstep.base.model.YesNo;

public class MailClientUtils {
    private static JavaMailSender mailSender;
    private static ThreadLocal<String> formTL = new ThreadLocal<String>();
    private static ThreadLocal<String> enableTL = new ThreadLocal<String>();

    static {
        mailSender = (JavaMailSender) AppContext.getBean("mailSender");
    }

    public static String getDefaultFrom() {
        if (formTL.get() == null) {
            formTL.set(SystemSettingConfigureUtils.getMailDefaultFromValue());
        }
        return StringUtils.defaultString(formTL.get());
    }

    public static boolean getEnable() {
        if (enableTL.get() == null) {
            enableTL.set(SystemSettingConfigureUtils.getMailEnableValue());
        }
        return StringUtils.defaultString(enableTL.get()).trim().equals(YesNo.YES);
    }

    public static void send(String from, String to, String subject, String text) throws MailException, Exception {
        send(from, to, null, null, null, null, subject, text);
    }

    public static void send(String from, String to, String cc[], String subject, String text)
            throws MailException, Exception {
        send(from, to, cc, null, null, null, subject, text);
    }

    public static void send(String from, String to, String cc[], String bcc[], String subject, String text)
            throws MailException, Exception {
        send(from, to, cc, bcc, null, null, subject, text);
    }

    public static void send(String from, String to, String cc, String bcc, String subject, String text)
            throws MailException, Exception {

        String mailCc[] = null;
        String mailBcc[] = null;
        if (!StringUtils.isBlank(cc)) {
            mailCc = cc.split(Constants.ID_DELIMITER);
        }
        if (!StringUtils.isBlank(bcc)) {
            mailBcc = bcc.split(Constants.ID_DELIMITER);
        }
        send(from, to, mailCc, mailBcc, subject, text);
    }

    public static void send(String from, String to, String cc[], String bcc[], String fileNames[], File files[],
            String subject, String text) throws MailException, Exception {

        if (mailSender == null) {
            throw new Exception("null mailSender!");
        }
        if (StringUtils.isBlank(from) || StringUtils.isBlank(to)) {
            throw new Exception("from and to is required!");
        }
        if (fileNames != null && files != null) {
            if (fileNames.length != files.length) {
                throw new Exception("File parameter error!");
            }
        }
        MimeMessage message = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(message, true, Constants.BASE_ENCODING);
        helper.setFrom(from);
        helper.setTo(to.endsWith(";") ? to.substring(0, to.length() - 1) : to);
        helper.setSubject(subject);
        helper.setText(text, true);
        if (null != cc && cc.length > 0) {
            helper.setCc(cc);
        }
        if (null != bcc && bcc.length > 0) {
            helper.setBcc(bcc);
        }
        for (int i = 0; fileNames != null && i < fileNames.length; i++) {
            helper.addAttachment(fileNames[i], files[i]);
        }
        mailSender.send(message);
    }

}