用Javamail写的解析MimeMessage的程序
2008-01-05 09:57:19 来源:WEB开发网核心提示:package coffeecatwebmail;import java.io.*;import java.text.*;import java.util.*;import javax.mail.*;import javax.mail.internet.*;public class PRaseMimeMessage{p
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{}
}
/**
* 判定此邮件是否需要回执,假如需要回执返回"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();
}
/**
* 【判定此邮件是否已读,假如未读返回返回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;
}
/**
* 判定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(conty
Tags:Javamail 解析 MimeMessage
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