package com.jcommerce.gwt.server;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import javax.mail.BodyPart;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
public class MailReceiver {
private MimeMessage mimeMessage = null;
private String saveAttachPath = ""; //附件下载后的存放目录
private StringBuffer bodytext = new StringBuffer();//存放邮件内容
private String dateformat = "yy-MM-dd HH:mm"; //默认的日前显示格式
private String fromAddr;//发件人
public MailReceiver(MimeMessage mimeMessage) {
this.mimeMessage = mimeMessage;
}
public void setMimeMessage(MimeMessage mimeMessage) {
this.mimeMessage = mimeMessage;
}
/*
* 获得发件人的地址和姓名
*/
public String getFromAddress() {
try {
InternetAddress address[] = (InternetAddress[]) mimeMessage.getFrom();
// 获得发件人地址
String from = address[0].getAddress();
if( from == null ) {
from = "";
}
// 获得发件人姓名
String personal = address[0].getPersonal();
if( personal == null ) {
personal = "";
}
// 构造发件人显示地址
fromAddr = personal + "<" + from + ">";
} catch (MessagingException e) {
throw new RuntimeException("Exception when returns the value of the RFC 822 from header fields");
}
return fromAddr;
}
/*
* 根据所传递的参数的不同,获得邮件的收件人，抄送，和密送的地址和姓名
* "to"----收件人
* "cc"---抄送人地址
* "bcc"---密送人地址
*/
public String getMailAddress(String type) {
String mailAddr = "";
String receiveType = type.toUpperCase();
InternetAddress[] address = null;
// 根据类型获得接受地址
try {
if( receiveType.equals("TO") ) {
address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.TO);
} else if( receiveType.equals("CC") ) {
address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.CC);
} else if( receiveType.equals("BCC") ) {
address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.BCC);
} else {
throw new RuntimeException("unknown type for : " + type);
}
} catch (MessagingException e) {
throw new RuntimeException("MessagingException : " + e.getMessage());
}
if( address != null ) {
for( InternetAddress addr : address ) {
String email = addr.getAddress();
if( email == null ) {
email = "";
} else {
try {
// 将email地址的内容编码成邮件安全的形式
email = MimeUtility.decodeText(email);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("encoding the email address exception : " + e.getMessage());
}
}
String personal = addr.getPersonal();
if ( personal == null ) {
personal = "";
} else {
try {
// 将email地址的内容编码成邮件安全的形式
personal = MimeUtility.decodeText(personal);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("encoding the email personal exception : " + e.getMessage());
}
}
String total = personal + "<" + email + ">";
mailAddr += "," + total;
}
// 去掉第一个逗号
mailAddr = mailAddr.substring(1);
}
return mailAddr;
}
/*
* 获得邮件主题
*/
public String getSubject() {
String subject = "";
try {
subject = mimeMessage.getSubject();
if( subject == null ) {
subject = "";
} else {
subject = MimeUtility.decodeText(subject);
}
} catch (MessagingException e) {
throw new RuntimeException("get subject exception : " + e.getMessage());
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("encoding subject exception : " + e.getMessage());
}
return subject;
}
/*
* 获得邮件发送日期
*/
public String getSentDate() throws Exception {
Date sentdate = mimeMessage.getSentDate();
SimpleDateFormat format = new SimpleDateFormat(dateformat);
return format.format(sentdate);
}
/*
* 获得邮件正文内容
*/
public String getContent() {
return bodytext.toString();
}
/*
* 解析邮件，把得到的邮件内容保存到一个StringBuffer对象中，
* 解析邮件 主要是根据MimeType类型的不同执行不同的操作，一步一步的解析
*/
public void getMailContent(Part part) throws Exception {
String contenttype = part.getContentType();
int nameindex = contenttype.indexOf("name");
boolean conname = false;
if (nameindex != -1) {
conname = true;
}
// 邮件类型包含两种：text/plain,text/html
// 没有html标记
if (part.isMimeType("text/plain") && !conname) {
bodytext.append((String) part.getContent());
} else if (part.isMimeType("text/html") && !conname) {
bodytext.append((String) part.getContent());
} else if (part.isMimeType("multipart/*")) {
Multipart multipart = (Multipart) part.getContent();
int counts = multipart.getCount();
for (int i = 0; i < counts; i++) {
System.out.println(counts);
getMailContent(multipart.getBodyPart(i));
}
} else if (part.isMimeType("message/rfc822")) {
getMailContent((Part) part.getContent());
} else {
}
}
/*
* 判断此邮件是否需要回执，如果需要回执返回"true",否则返回"false"
*/
public boolean getReplySign() throws MessagingException {
boolean replysign = false;
// 获得回执功能的headers
String needReply[] = mimeMessage.getHeader("Disposition-Notification-To");
if( needReply != null ) {
replysign = true;
}
return replysign;
}
/*
* 获得此邮件的Message-ID
*/
public String getMessageId() throws MessagingException {
return mimeMessage.getMessageID();
}
/*
* 判断此邮件是否已读，如果未读返回返回 false,反之返回true
*/
public boolean isNew() throws MessagingException {
boolean isNew = false;
Flags flags = ((Message)mimeMessage).getFlags();
Flags.Flag[] flag = flags.getSystemFlags();
System.out.println("flags's length: " + flag.length);
for(int i = 0; i < flag.length; i++ ) {
if( flag[i] == Flags.Flag.SEEN ) {
isNew = true;
break;
}
}
return isNew;
}
/*
* 判断此邮件是否包含附件
*/
public boolean isContainAttach(Part part) throws Exception
{
boolean attachFlag = false;
if ( part.isMimeType( "multipart/*" ) ) {
Multipart mp = (Multipart) part.getContent();
for (int i = 0; i < mp.getCount(); i++) {
BodyPart mpart = mp.getBodyPart(i);
String disposition = mpart.getDisposition();
if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE)))) {
attachFlag = true;
} else if (mpart.isMimeType("multipart/*")) {
attachFlag = isContainAttach((Part) mpart);
} else {
String contype = mpart.getContentType();
if (contype.toLowerCase().indexOf("application") != -1) {
attachFlag = true;
}
if (contype.toLowerCase().indexOf("name") != -1) {
attachFlag = true;
}
}
}
} else if (part.isMimeType("message/rfc822")) {
attachFlag = isContainAttach((Part) part.getContent());
}
return attachFlag;
}
/*
* 保存附件
*/
public void saveAttachMent(Part part) throws Exception
{
String fileName = "";
if (part.isMimeType("multipart/*")) {
Multipart mp = (Multipart) part.getContent();
for (int i = 0; i < mp.getCount(); i++) {
BodyPart mpart = mp.getBodyPart(i);
String disposition = mpart.getDisposition();
if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE)))) {
fileName = mpart.getFileName();
if (fileName != null && fileName.toLowerCase().indexOf("gb2312") != -1) {
fileName = MimeUtility.decodeText(fileName);
}
saveFile(fileName, mpart.getInputStream());
} else if (mpart.isMimeType("multipart/*")) {
saveAttachMent(mpart);
} else {
fileName = mpart.getFileName();
if ((fileName != null) && (fileName.toLowerCase().indexOf("GB2312") != -1)) {
fileName = MimeUtility.decodeText(fileName);
saveFile(fileName, mpart.getInputStream());
}
}
}
} else if (part.isMimeType("message/rfc822")) {
saveAttachMent((Part) part.getContent());
}
}
/**
* 真正的保存附件到指定目录里
*/
private void saveFile(String fileName, InputStream in) throws Exception {
String osName = System.getProperty("os.name");
String storedir = getAttachPath(); // 附件保存路径
String separator = "";
if (osName == null) {
osName = "";
}
if (osName.toLowerCase().indexOf("win") != -1) {
separator = "\\";
if (storedir == null || storedir.equals("")) {
storedir = "c:\\tmp";
}
} else {
separator = "/";
storedir = "/tmp";
}
File storefile = new File(storedir + separator + fileName);
// for(int i=0;storefile.exists();i++){
// storefile = new File(storedir+separator+fileName+i);
// }
BufferedOutputStream bos = null;
BufferedInputStream bis = null;
try {
bos = new BufferedOutputStream(new FileOutputStream(storefile));
bis = new BufferedInputStream(in);
int c;
while ((c = bis.read()) != -1) {
bos.write(c);
bos.flush();
}
} catch (Exception exception) {
exception.printStackTrace();
throw new Exception("文件保存失败!");
} finally {
bos.close();
bis.close();
}
}
/*
* 设置附件存放路径
*/
public void setAttachPath(String attachpath) {
this.saveAttachPath = attachpath;
}
/*
* 获得附件存放路径
*/
public String getAttachPath() {
return saveAttachPath;
}
/*
* 设置日期显示格式
*/
public void setDateFormat(String format) throws Exception {
this.dateformat = format;
}
/*
* @test
*/
public static void main(String[] args) throws Exception {
Properties props = System.getProperties();
props.put("mail.smtp.host", "smtp.163.com");
props.put("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(props, null);
URLName urln = new URLName("pop3", "pop3.163.com", 110, null, "wang8763710", "wang3864995");
Store store = session.getStore(urln);
try {
store.connect();
} catch (Exception e) {
throw new RuntimeException("connection exception : " + e.getMessage());
}
Folder folder = store.getFolder("INBOX");
folder.open(Folder.READ_ONLY);
Message message[] = folder.getMessages();
System.out.println("Messages's length: " + message.length + "\n");
MailReceiver mailReceiver = null;
for(int i = 0; i < message.length; i++ ) {
mailReceiver = new MailReceiver((MimeMessage) message[i]);
System.out.println("Message " + i + " subject: " + mailReceiver.getSubject());
System.out.println("Message " + i + " sentdate: "+ mailReceiver.getSentDate());
System.out.println("Message " + i + " replysign: "+ mailReceiver.getReplySign());
System.out.println("Message " + i + " hasRead: " + mailReceiver.isNew());
System.out.println("Message " + i + " containAttachment: "+ mailReceiver.isContainAttach((Part) message[i]));
System.out.println("Message " + i + " form: " + mailReceiver.getFromAddress());
System.out.println("Message " + i + " to: "+ mailReceiver.getMailAddress("to"));
System.out.println("Message " + i + " cc: "+ mailReceiver.getMailAddress("cc"));
System.out.println("Message " + i + " bcc: "+ mailReceiver.getMailAddress("bcc"));
mailReceiver.setDateFormat("yy年MM月dd日 HH:mm");
System.out.println("Message " + i + " sentdate: "+ mailReceiver.getSentDate());
System.out.println("Message " + i + " Message-ID: "+ mailReceiver.getMessageId());
// 获得邮件内容
mailReceiver.getMailContent((Part) message[i]);
System.out.println("Message " + i + " bodycontent: \r\n" + mailReceiver.getContent());
mailReceiver.setAttachPath("c:\\");
mailReceiver.saveAttachMent((Part) message[i]);
}
}
}