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Easy Web Appliaction Utils: UArgon2, UMail, UDigest, URsa,
UAes, UDes, UFile, UConvert, UFormat, UNet, SendMail, SmtpCfg
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package com.gdxsoft.easyweb.utils.Mail;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import com.gdxsoft.easyweb.utils.UFile;
import com.gdxsoft.easyweb.utils.Utils;
import javax.mail.BodyPart;
import javax.mail.Flags;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
/**
* 邮件解码
*
* @author Administrator
*
*/
public class MailDecode {
private MimeMessage mimeMessage = null;
private String saveAttachPath = "d:\\";// 附件下载后的存放目录
private StringBuffer bodytext;
private StringBuffer bodyHtml;
private List _Atts = new ArrayList();
/**
* 初始化对象
*
* @param mimeMessage 邮件
* @param attachmentSavePath 附件保存目录
*/
public MailDecode(MimeMessage mimeMessage, String attachmentSavePath) {
this.mimeMessage = mimeMessage;
this.saveAttachPath = attachmentSavePath;
}
/**
* 获取所有附件，包括attachment和inline
*
* @return the _Atts
*/
public List getAtts() {
return _Atts;
}
/**
*
* 获取发件人地址
*
* @return 地址
*/
public Addr getFrom() throws Exception {
InternetAddress address[] = (InternetAddress[]) mimeMessage.getFrom();
if (address == null) {
return null;
}
String from = address[0].getAddress();
if (from == null)
from = "";
String personal = address[0].getPersonal();
if (personal == null)
personal = "";
Addr r = new Addr();
r.setEmail(from);
r.setName(personal);
return r;
}
/**
* 获取抄送列表
*
* @return 抄送列表
* @throws Exception
*/
public List getCc() throws Exception {
return this.getMailAddress("CC");
}
/**
* 获取收件人列表
*
* @return 收件人列表
* @throws Exception
*/
public List getTo() throws Exception {
return this.getMailAddress("TO");
}
/**
* 获取密送人列表
*
* @return 密送人列表
* @throws Exception
*/
public List getBcc() throws Exception {
return this.getMailAddress("BCC");
}
/**
* Get all recipients (to, cc, bcc)
*
* @return The all recipients
* @throws Exception
*/
public List getAllRecipients() throws Exception {
return this.getMailAddress("ALL");
}
/**
* 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"
* "cc"
* "bcc"
* "all" -- All recipients
*
* @return 邮件地址列表
*/
public List getMailAddress(String type) throws Exception {
String addtype = type.toUpperCase();
InternetAddress[] address = null;
HashMap addrs = new HashMap();
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 if (addtype.equals("BCC")){
address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.BCC);
} else if (addtype.equals("ALL")){
address = (InternetAddress[]) mimeMessage.getAllRecipients();
}
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);
}
addrs.put(email, personal);
}
}
} else {
throw new Exception("Error emailaddr type!");
}
List rets = new ArrayList();
Iterator it = addrs.keySet().iterator();
while (it.hasNext()) {
String email = it.next();
String name = addrs.get(email);
Addr r = new Addr();
r.setEmail(email);
r.setName(name);
rets.add(r);
}
return rets;
}
/**
* 获取邮件主题
*/
public String getSubject() throws MessagingException {
String subject;
try {
subject = MimeUtility.decodeText(mimeMessage.getSubject());
if (subject == null)
subject = "";
return subject;
} catch (Exception exce) {
return exce.getMessage();
}
}
/**
* 获取邮件发送日期
*/
public java.util.Date getSentDate() throws Exception {
Date sentdate = mimeMessage.getSentDate();
return sentdate;
}
/**
* 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
*
* @param part
* @throws Exception
*/
private void getMailContent(Part part) throws Exception {
if (bodytext == null) {
this.bodyHtml = new StringBuffer();
this.bodytext = new StringBuffer();
}
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) {
Object o = part.getContent();
String txt = o.toString();
bodytext.append(txt);
} else if (part.isMimeType("text/html") && !conname) {
Object o = part.getContent();
String html = o.toString();
html = removeHtmlBody(html);
bodyHtml.append(html);
} 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 {
}
}
/**
* 删除 html的非body部分
*
* @param html
* @return
*/
private String removeHtmlBody(String html) {
String h1 = html.toUpperCase();
int locA = h1.indexOf(" 0) {
int locA1 = h1.indexOf(">", locA);
if (locA1 > 0) {
html = html.substring(locA1 + 1);
}
}
h1 = html.toUpperCase();
int locB = h1.indexOf(" 0) {
int locB1 = h1.indexOf(">", locB);
if (locB1 > 0) {
html = html.substring(0, locB1 - 6);
}
}
return html;
}
/**
* 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"
*
* @return 是否需要回执
*/
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
*
* @return 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
*
* @return 此邮件是否已读
*/
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
*
* @param part 邮件部分
* @return 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;
}
/**
* 保存所有附件
*
* @throws Exception
*/
public void saveAttachments() throws Exception {
Part part = (Part) this.mimeMessage;
this.saveAttachMent(part);
}
/**
* 保存附件
*
* @param part 附加
*/
private 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)))) {
Attachment att = this.saveAttachmentToFile(mpart);
if (att != null) {
this._Atts.add(att);
}
} 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());
}
}
/**
* 获取保存的附件
*
* @param mpart 邮件部分
* @return 附件
* @throws Exception
*/
private Attachment saveAttachmentToFile(BodyPart mpart) throws Exception {
String disposition = mpart.getDisposition();
String fileName = mpart.getFileName();
if (fileName == null) {
return null;
}
if (fileName.indexOf("?=") > -1) {
fileName = MimeUtility.decodeText(fileName);
}
String ext = UFile.getFileExt(fileName);
String savedName = Utils.getGuid() + "." + ext;
Attachment att = new Attachment();
att.setAttachName(fileName);
att.setSaveName(savedName);
att.setSavePath(this.saveAttachPath);
if (disposition.equals(Part.INLINE)) {
String[] hhs = mpart.getHeader("Content-ID");
if (hhs != null && hhs.length > 0) {
att.setInlineId(hhs[0]);
} else {
att.setInlineId("not found");
}
att.setIsInline(true);
}
att.setSize(mpart.getInputStream().available());
String rst = saveFile(savedName, mpart.getInputStream());
att.setSavePathAndName(rst);
return att;
}
/**
* 【获得附件存放路径】
*
* @return 附件存放路径
*/
public String getAttachPath() {
return saveAttachPath;
}
/**
* 获取邮件正文 HTML
*
* @return 正文 HTML
* @throws Exception
*/
public String getBodyHtml() throws Exception {
if (this.bodytext == null) {
Part part = (Part) this.mimeMessage;
this.getMailContent(part);
}
return this.bodyHtml.toString();
}
/**
* 获取邮件正文 纯文本
*
* @return 正文 纯文本
* @throws Exception
*
*/
public String getBodyText() throws Exception {
if (this.bodytext == null) {
Part part = (Part) this.mimeMessage;
this.getMailContent(part);
}
return bodytext.toString();
}
/**
* 【真正的保存附件到指定目录里】
*
* @param fileName 文件路径
* @param in 流
*/
private String saveFile(String fileName, InputStream in) throws Exception {
String osName = System.getProperty("os.name");
String storedir = getAttachPath();
UFile.buildPaths(storedir);
String separator = "";
if (osName == null)
osName = "";
if (osName.toLowerCase().indexOf("win") != -1) {
separator = "\\";
if (storedir == null || storedir.equals(""))
storedir = "c:\\tmp";
} else {
separator = "/";
if (storedir == null || storedir.equals(""))
storedir = "/tmp";
}
File storefile = new File(storedir + separator + fileName);
BufferedOutputStream bos = null;
BufferedInputStream bis = null;
try {
bos = new BufferedOutputStream(new FileOutputStream(storefile));
bis = new BufferedInputStream(in);
int c;
byte[] buf = new byte[40960];
while ((c = bis.read(buf)) != -1) {
bos.write(buf, 0, c);
bos.flush();
}
return storefile.getAbsolutePath();
} catch (Exception exception) {
exception.printStackTrace();
throw new Exception("文件保存失败!");
} finally {
bos.close();
bis.close();
}
}
}