JavaMail解析邮件内容

    import java.io.*;      
    import java.text.*;      
    import java.util.*;      
    import javax.mail.*;      
    import javax.mail.internet.*;      
         
    /**    
     * 有一封邮件就需要建立一个ReciveMail对象    
     */     
    public class ReciveOneMail {      
        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      
         
        public ReciveOneMail(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 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 {     
            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,     
                    "xiangzhengyan", "pass");     
            Store store = session.getStore(urln);     
            store.connect();     
            Folder folder = store.getFolder("INBOX");     
            folder.open(Folder.READ_ONLY);     
            Message message[] = folder.getMessages();     
            System.out.println("Messages's length: " + message.length);     
            ReciveOneMail pmm = null;     
            for (int i = 0; i < message.length; i++) {     
                System.out.println("======================");     
                pmm = new ReciveOneMail((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());     
                // 获得邮件内容===============     
                pmm.getMailContent((Part) message[i]);     
                System.out.println("Message " + i + " bodycontent: \r\n"     
                        + pmm.getBodyText());     
                pmm.setAttachPath("c:\\");      
                pmm.saveAttachMent((Part) message[i]);      
            }      
        }      
    }  

标签： isp

版权申明：本站文章部分自网络，如有侵权，请联系：west999com@outlook.com
特别注意：本站所有转载文章言论不代表本站观点！
本站所提供的图片等素材，版权归原作者所有，如需使用，请与原作者联系。