package coffeecatwebmail;
import java.io.*;
import java.text.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public
class PraseMimeMessage{
private MimeMessage mimeMessage = null;
private String saveAttachPath =
"";
//附件下载后的存放目录
private StringBuffer bodytext =
new StringBuffer();
//存放邮件内容的StringBuffer对象
private String dateformat =
"yy-MM-dd HH:mm";
//默认的日前显示格式
/** * 构造函数,初始化一个MimeMessage对象 */
public PraseMimeMessage(){}
public PraseMimeMessage(MimeMessage mimeMessage){
this.mimeMessage = mimeMessage;
System.out.println(
"create a PraseMimeMessage object........");
}
public
void setMimeMessage(MimeMessage mimeMessage){
this.mimeMessage = mimeMessage;
}
/** * 获得发件人的地址和姓名 */
public String getFrom()
throws Exception{
InternetAddress address[] = (InternetAddress[])mimeMessage.getFrom();
String from = address[0].getAddress();
if(from == null) from=
"";
String personal = address[0].getPersonal();
if(personal == null) personal=
"";
String fromaddr = personal+
"<"+from+
">";
return fromaddr;
}
/** * 获得邮件的收件人，抄送，和密送的地址和姓名，根据所传递的参数的不同 * "to"----收件人 "cc"---抄送人地址 "bcc"---密送人地址 */
public String getMailAddress(String type)
throws Exception{
String mailaddr =
"";
String addtype = type.toUpperCase();
InternetAddress []address = null;
if(addtype.equals(
"TO") || addtype.equals(
"CC") ||addtype.equals(
"BCC")){
if(addtype.equals(
"TO")){
address = (InternetAddress[])mimeMessage.getRecipients(Message.RecipientType.TO);
}
else
if(addtype.equals(
"CC")){
address = (InternetAddress[])mimeMessage.getRecipients(Message.RecipientType.CC);
}
else{
address = (InternetAddress[])mimeMessage.getRecipients(Message.RecipientType.BCC);
}
if(address != null){
for(
int i=0;i<address.length;i++){
String email=address[i].getAddress();
if(email==null) email=
"";
else{
email=MimeUtility.decodeText(email);
}
String personal=address[i].getPersonal();
if(personal==null) personal=
"";
else{
personal=MimeUtility.decodeText(personal);
}
String compositeto=personal+
"<"+email+
">";
mailaddr+=
","+compositeto;
}
mailaddr=mailaddr.substring(1);
}
}
else{
throw
new Exception(
"Error emailaddr type!");
}
return mailaddr;
}
/** * 获得邮件主题 */
public String getSubject()
throws MessagingException{
String subject =
"";
try{
subject = MimeUtility.decodeText(mimeMessage.getSubject());
if(subject == null) subject=
"";
}
catch(Exception exce){
}
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 getBodyText(){
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;
System.out.println(
"CONTENTTYPE: "+contenttype);
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++){
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;
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;
System.out.println(
"seen Message.......");
break;
}
}
return isnew;
}
/** * 判断此邮件是否包含附件 */
public
boolean isContainAttach(Part part)
throws Exception{
boolean attachflag =
false;
String contentType = part.getContentType();
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.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());
}
}
/** * 【设置附件存放路径】 */
public
void setAttachPath(String attachpath){
this.saveAttachPath = attachpath;
}
/** * 【设置日期显示格式】 */
public
void setDateFormat(String format)
throws Exception{
this.dateformat = format;
}
/** * 【获得附件存放路径】 */
public String getAttachPath(){
return saveAttachPath;
}
/** * 【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();
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); System.out.println("storefile's path: "+storefile.toString()); //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(); }} /** * PraseMimeMessage类测试 */ public static void main(String args[])throws Exception{ String host = "主机名/ip"; //【pop.mail.yahoo.com.cn】 String username ="用户名"; //【wwp_1124】 String password ="密码"; //【........】 Properties props = new Properties(); Session session = Session.getDefaultInstance(props, null); Store store = session.getStore("pop3"); store.connect(host, username, password); Folder folder = store.getFolder("INBOX"); folder.open(Folder.READ_ONLY); Message message[] = folder.getMessages(); System.out.println("Messages's length: "+message.length); PraseMimeMessage pmm = null; for(int i=0;i<message.length;i++){ pmm = new PraseMimeMessage((MimeMessage)message[i]); System.out.println("Message "+i+" subject: "+pmm.getSubject()); System.out.println("Message "+i+" sentdate: "+pmm.getSentDate()); System.out.println("Message "+i+" replysign: "+pmm.getReplySign()); System.out.println("Message "+i+" hasRead: "+pmm.isNew()); System.out.println("Message "+i+" containAttachment: "+pmm.isContainAttach((Part)message[i])); System.out.println("Message "+i+" form: "+pmm.getFrom()); System.out.println("Message "+i+" to: "+pmm.getMailAddress("to")); System.out.println("Message "+i+" cc: "+pmm.getMailAddress("cc")); System.out.println("Message "+i+" bcc: "+pmm.getMailAddress("bcc")); pmm.setDateFormat("yy年MM月dd日 HH:mm"); System.out.println("Message "+i+" sentdate: "+pmm.getSentDate()); System.out.println("Message "+i+" Message-ID: "+pmm.getMessageId()); pmm.getMailContent((Part)message[i]); System.out.println("Message "+i+" bodycontent: /r/n"+pmm.getBodyText()); pmm.setAttachPath("c://tmp//coffeecat1124"); pmm.saveAttachMent((Part)message[i]); } }}
