getemailinfo.java

JAVA邮件系统

import java.io.*;
import java.text.*;
import java.util.*;
import java.sql.*;
import java.util .Vector ;
import java.net.*;

public class GetEmailInfo
{
	public String sCookie="";
	int    nIndex = 0;
	
	static String key1 = "from:";
	static String key2 = "date:";
	static String key3 = "size:";
	static String key4 = "subject:";
	static String key5 = "new";
	static String key6 = "old";
	static String key7 = "url:";
	static String key8 = "附件";
	
	static String lineEnd = "\n";
	
	
	
	GetEmailInfo(){
		nIndex = 0;
	}
	
	
	//get all email by perl cgi;
	public Vector getEmailInfoFromPerlCGI( String user,String pass ){
		nIndex = 0;
		Vector vector = new Vector (1,5);
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&JAVAMAIL1=OK");
		String sEmail = getCGIReturn(sPerCGI);
		if( sEmail!=null ){
			String sEMFile = CommonMethods.getUserEmailFile (user);
			File file = new File(sEMFile);
			if(file.exists ())
				file.delete ();
			CommonMethods.WriteToDisk(sEmail.getBytes (),sEMFile);
			//split keyword
			nIndex=0;
			EmailInfo EM =getEmail(sEmail);
			while( EM !=null ){
				vector.addElement (EM);
				EM =getEmail(sEmail);
			}
		}
		return vector;
	}
	
	public Vector getEmailInfoFromFile( String user ){
		nIndex = 0;
		Vector vector = new Vector (1,5);
		String sEmail = CommonMethods.ReadFromDisk(CommonMethods.getUserEmailFile (user));
		if(sEmail==null)
			return vector;
		EmailInfo EM =getEmail(sEmail);
		while( EM !=null ){
			vector.addElement (EM);
			EM =getEmail(sEmail);
		}
		return vector;
	}

	EmailInfo getEmail(String sMailInfo ){
		EmailInfo EM = new EmailInfo();

		int nBegin ,nEnd ;
		
		//get from;
		nBegin = sMailInfo.indexOf (key1,nIndex) + key1.length ();
		if( nBegin<key1.length () ){
			return null;
		}
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.setFrom ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		
		//get date;
		nBegin = sMailInfo.indexOf (key2,nIndex) + key2.length ();
		if( nBegin<key2.length () ){
			return null;
		}
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.setDate ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;

		//get size;
		nBegin = sMailInfo.indexOf (key3,nIndex) + key3.length ();
		if( nBegin<key3.length () ){
			return null;
		}
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.setSize ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		
		//get subject;
		nBegin = sMailInfo.indexOf (key4,nIndex) + key4.length ();
		if( nBegin<key4.length () ){
			return null;
		}
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.setSubject ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		nIndex += 2;
		
		//get old or new;
		nBegin = sMailInfo.indexOf(key5);
		if( nBegin == 0 )
			EM.setNew (true);
		else
			EM.setNew (false);
		nIndex += key5.length ();
		nBegin = sMailInfo.indexOf(key8,nIndex);
		nEnd = sMailInfo.indexOf(lineEnd,nIndex);
		if( nBegin==-1||nBegin>nEnd ){
			EM.setAttachFlag(false);
		}
			  
		//get url;
		nBegin = sMailInfo.indexOf (key7,nIndex) + key7.length ();
		if( nBegin<key7.length () ){
			return null;
		}
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.setUrl ( cutUrl(CommonMethods.GetMailHost()+sMailInfo.substring (nBegin,nEnd)) );
		nIndex = nEnd;
		
		return EM;
	}
	
	String cutUrl(String url)
	{
		if(url==null)
			return null;
		if(url==null)
			return null;
		int nMid = url.indexOf ("USERNAME");
		int nBegin = url.indexOf ("JAVAMAIL2:");

		return url.substring (0,nMid) + url.substring(nBegin,url.length ());
	}
	
	String dealWithUrl(String sMailUrl)
	{
		if(sMailUrl==null)
			return null;
		String sReturn="";
		for(int i=0;i<sMailUrl.length ();i++ ){
			char code = sMailUrl.charAt (i);
			if( code=='#' )
				sReturn += "%23";
			if( code=='&' )
				sReturn += "%26";
			else if(code=='%')
				sReturn += "%25";
			else					
				sReturn += code;	
		}
		return sReturn;
	}
	
	public Email getEmailContentFromPerlCGI( String user,String pass ,String sUrl ){
		nIndex = 0;
		//first, we get the email info;
		sUrl += ("&USERNAME="+user);
		sUrl += ("&PASSWORD="+pass);
		String sEmail = getCGIReturn(sUrl);
		if( sEmail==null )
			return null;
		Email  EM = new Email();
		EM.SetMailData ( new MailBuff ( sEmail.getBytes () ) );
		EmailTranslator ET=new EmailTranslator ();
		if( ET.Translate (EM) ==true )
			return EM;
		return null;
	}

	public Vector ListMailFolder( String user , String pass )
	{
		nIndex = 0;
		Vector folders= new Vector (5,5);
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&JAVAMAIL3=ok");
		sPerCGI = getCGIReturn(sPerCGI);
		if( sPerCGI==null )
			return folders;
		//get all mail box ;
		MailFolder MF= getFolder(sPerCGI);
		while( MF !=null ){
			folders.addElement (MF);
			MF =getFolder(sPerCGI);
		}
		
		return folders;
	}

	public Vector ListMailsInFolder( String user , String pass , String sFolder )
	{
		nIndex = 0;
		Vector mails= new Vector (5,5);
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&JAVAMAIL4="+sFolder);
		sPerCGI = getCGIReturn(sPerCGI);
		
		if( sPerCGI==null )
			return mails;
		EmailInfo EM =getEmail(sPerCGI);
		while( EM !=null ){
			mails.addElement (EM);
			EM =getEmail(sPerCGI);
		}
		return  mails;
	}
	//
	public boolean DelMail( String user , String pass , String sMail )
	{
		String sPerCGI = CommonMethods.GetUrl365Mail();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&DELETE:"+sMail);
		getCGIReturn(sPerCGI);
		return true;
	}

	public boolean MoveMail( String user , String pass , String sMail
									,String sFolder)
	{
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&MOVE:"+sMail);
		sPerCGI += ("&FOLDERTRANSFERLIST="+sFolder);
		getCGIReturn(sPerCGI);
		return true;
	}

	public boolean MoveMails( String user , String pass , String[] sMails
									,String sFolder)
	{
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		for( int i=0;i<sMails.length ;i++ )
			sPerCGI += ("&MOVE:"+sMails[i]+"=TRUE");
		sPerCGI += ("&FOLDERTRANSFERLIST="+sFolder);
		getCGIReturn(sPerCGI);
		return true;
	}
	
	public boolean CreateFolder( String user , String pass , String sFolder )
	{
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&FOLDERNEWNAME="+sFolder);
		sPerCGI += ("&FOLDERNEW="+"新建");
		getCGIReturn(sPerCGI);
		return true;
	}
	
	public boolean DelFolder( String user , String pass , String sFolder )
	{
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&FOLDERDELETE="+sFolder);
		getCGIReturn(sPerCGI);
		return true;
	}
	
	public boolean EmptyFolder( String user , String pass , String sFolder )
	{
		String sPerCGI = CommonMethods.GetUrl365Mail ();
		
		//first, we get the email info;
		sPerCGI += ("?USERNAME="+user);
		sPerCGI += ("&PASSWORD="+pass);
		sPerCGI += ("&FOLDEREMPTY="+sFolder);
		getCGIReturn(sPerCGI);
		return true;
	}
	
	public String getCGIReturn( String sCGI )
	{
		byte[] read ;
		MailBuff mb = new MailBuff (MailBuff.INCREASE_SIZE ,
									MailBuff.INCREASE_SIZE);
		try{
			
			URL myurl = new URL( sCGI);
			HttpURLConnection myconn=
							(HttpURLConnection)myurl.openConnection();
			DataInputStream myInput = new DataInputStream
				( myconn.getInputStream());
			read =new byte[10240];
			int nSize ;
			while( ( nSize= myInput.read(read) )>0 )
				mb.append (read,0,nSize);
			myInput.close ();
		}catch(Exception e){
			return null;
		}
		return new String(mb.getData (),0,mb.getSize ());
	}

	static String sF1 = "name1:";
	static String sF2 = "name2:";
	static String sF3 = "sum:";
	static String sF4 = "new1:";
	static String sF5 = "new2:";
	
	MailFolder getFolder(String sMailInfo ){
		MailFolder EM = new MailFolder();

		int nBegin ,nEnd ;
		
		//get from;
		nBegin = sMailInfo.indexOf (sF1,nIndex) + sF1.length ();
		if( nBegin<sF1.length () )
			return null;
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.sName = ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		
		//get date;
		nBegin = sMailInfo.indexOf (sF2,nIndex) + sF2.length ();
		if( nBegin<sF2.length () )
			return null;
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.sID = ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;

		//get size;
		nBegin = sMailInfo.indexOf (sF3,nIndex) + sF3.length ();
		if( nBegin<sF3.length () )
			return null;
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.nMail = ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		
		//get subject;
		nBegin = sMailInfo.indexOf (sF4,nIndex) + sF4.length ();
		if( nBegin<sF4.length () )
			return null;
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.nNew = ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		
		nBegin = sMailInfo.indexOf (sF5,nIndex) + sF5.length ();
		if( nBegin<sF5.length () )
			return null;
		nEnd = sMailInfo.indexOf(lineEnd,nBegin);
		if(nEnd == -1)
			nEnd = sMailInfo.length ();
		EM.nNotRead  = ( sMailInfo.substring (nBegin,nEnd) );
		nIndex = nEnd;
		
		if( EM.sID.compareTo ("INBOX")==0 || EM.sID.compareTo ("SENT")==0 ||
			EM.sID.compareTo ("TRASH")==0 || EM.sID.compareTo ("DRAFT")==0 )
			EM.isNormal=true;
		else
			EM.isNormal=false;
		return EM;
	}

}