JavaMail parsing message content (Classic collection)

Import java.io.*;    Import java.text.*;    Import java.util.*;    Import javax.mail.*;       Import javax.mail.internet.*;        /** * There is an email that needs to create a Recivemail object */public class Reciveonemail {private mimemessage mimemessage = null; Private String Saveattachpath = ""; Attachment download after the storage directory private StringBuffer bodytext = new StringBuffer ();//store the message content private String DateFormat = "yy-mm- DD hh:mm ";        The default display format public reciveonemail (MimeMessage mimemessage) {this.mimemessage = MimeMessage;        } public void Setmimemessage (MimeMessage mimemessage) {this.mimemessage = MimeMessage;  /** * Get the sender's address and name */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; }/** * Get mail to the recipient, Cc, and Bcc address and name, depending on the parameters passed "to"----the recipient "CC"---cc address "BCC"---secret address */public S            Tring 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.reci                pienttype.cc);                } else {address = (internetaddress[]) mimemessage.getrecipients (Message.RecipientType.BCC);               } if (address! = null) {for (int i = 0; i < address.length; i++) {String EMA                        Il = 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;          } /** * Get Message subject */public String Getsubject () throws Messagingexception {string subject = ""            ;                try {subject = Mimeutility.decodetext (Mimemessage.getsubject ());            if (subject = = null) Subject = "";        } catch (Exception exce) {} return subject; /** * Get mail sent date */public String getsentdate () throws Exception {Date sentdate            = Mimemessage.getsentdate ();            SimpleDateFormat format = new SimpleDateFormat (DateFormat);        Return Format.format (sentdate);        /** * Get message body contents */Public String Getbodytext () {return bodytext.tostring (); /** * Parse the message, save the resulting message content to a StringBuffer object, resolve the message is mainly based on the different types of mimetype to perform different operations, step by step resolution */PUB            LIC 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.getcont            ENT ());                } 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 {}}/** * To determine if this message requires a receipt, return "false" */public B If a receipt is required to return "true"Oolean getreplysign () throws Messagingexception {Boolean replysign = false;            String needreply[] = mimemessage. GetHeader ("disposition-notification-to");            if (needreply! = null) {replysign = true;        } return replysign;            /** * Get this message Message-id */public String Getmessageid () throws Messagingexception {        return Mimemessage.getmessageid (); }/** * "Determines if this message is read, if unread returns false, and vice versa returns true" */public Boolean isnew () throws Messagingexcepti            on {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 = Tru                    E System.out.println ("SeeN Message ... ");                Break        }} return isnew;            /** * To determine if this message contains an attachment */public boolean Iscontainattach (parts 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; }}} and Else if (Part.ismimetype ("message/rfc822")) {Attachflag = Iscontainattach (            (part) part.getcontent ());        } return Attachflag; }/** * "Save Attachment" */public void saveattachment (parts part) throws Exception {Str            ing 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 (Filenam                        e);                    } 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 ());            }}/** * "Set Attachment storage Path" */public void Setattachpath (String attachpath) {        This.saveattachpath = Attachpath;            }/** * "Set date display format" */public void Setdateformat (String format) throws Exception {        This.dateformat = format;        }/** * "Get Attachment Storage Path" */public String Getattachpath () {return saveattachpath;  }/** * "True save attachment to specified directory" */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 ("File save failed!");               } finally {Bos.close ();           Bis.close ();  }}/** * Prasemimemessage class 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", +, 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 years mm month DD Day hh:mm");               System.out.println ("Message" + i + "sentdate:" + pmm.getsentdate ()); System.out.println ("Message" + i + "Message-id: "+ Pmm.getmessageid ());               Get Mail Content =============== pmm.getmailcontent ((part) message[i]);               System.out.println ("Message" + i + "bodycontent: \ r \ n" + pmm.getbodytext ());                Pmm.setattachpath ("c:\\");            Pmm.saveattachment ((part) message[i]); }        }    }

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JavaMail parsing message content (Classic collection)