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package com.sun.mail.imap.protocol;
import java.util.Date;
import java.util.Vector;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MailDateFormat;
import com.sun.mail.iap.ParsingException;
import com.sun.mail.iap.Response;
/**
* The ENEVELOPE item of an IMAP FETCH response.
*
* @author John Mani
* @author Bill Shannon
*/
public class ENVELOPE implements Item {
// IMAP item name
static final char[] name = {'E','N','V','E','L','O','P','E'};
public int msgno;
public Date date = null;
public String subject;
public InternetAddress[] from;
public InternetAddress[] sender;
public InternetAddress[] replyTo;
public InternetAddress[] to;
public InternetAddress[] cc;
public InternetAddress[] bcc;
public String inReplyTo;
public String messageId;
// Used to parse dates
private static MailDateFormat mailDateFormat = new MailDateFormat();
public ENVELOPE(FetchResponse r) throws ParsingException {
msgno = r.getNumber();
r.skipSpaces();
if (r.readByte() != '(')
throw new ParsingException("ENVELOPE parse error");
String s = r.readString();
if (s != null) {
try {
date = mailDateFormat.parse(s);
} catch (Exception pex) {
// We need to be *very* tolerant about bogus dates (and
// there's lot of 'em around), so we ignore any
// exception (including RunTimeExceptions) and just let
// date be null.
}
}
subject = r.readString();
from = parseAddressList(r);
sender = parseAddressList(r);
replyTo = parseAddressList(r);
to = parseAddressList(r);
cc = parseAddressList(r);
bcc = parseAddressList(r);
inReplyTo = r.readString();
messageId = r.readString();
if (r.readByte() != ')')
throw new ParsingException("ENVELOPE parse error");
}
private InternetAddress[] parseAddressList(Response r)
throws ParsingException {
r.skipSpaces(); // skip leading spaces
byte b = r.readByte();
if (b == '(') {
Vector v = new Vector();
do {
IMAPAddress a = new IMAPAddress(r);
// if we see an end-of-group address at the top, ignore it
if (!a.isEndOfGroup())
v.addElement(a);
} while (r.peekByte() != ')');
// skip the terminating ')' at the end of the addresslist
r.skip(1);
InternetAddress[] a = new InternetAddress[v.size()];
v.copyInto(a);
return a;
} else if (b == 'N' || b == 'n') { // NIL
r.skip(2); // skip 'NIL'
return null;
} else
throw new ParsingException("ADDRESS parse error");
}
}
class IMAPAddress extends InternetAddress {
private boolean group = false;
private InternetAddress[] grouplist;
private String groupname;
private static final long serialVersionUID = -3835822029483122232L;
IMAPAddress(Response r) throws ParsingException {
r.skipSpaces(); // skip leading spaces
if (r.readByte() != '(')
throw new ParsingException("ADDRESS parse error");
encodedPersonal = r.readString();
r.readString(); // throw away address_list
String mb = r.readString();
String host = r.readString();
if (r.readByte() != ')') // skip past terminating ')'
throw new ParsingException("ADDRESS parse error");
if (host == null) {
// it's a group list, start or end
group = true;
groupname = mb;
if (groupname == null) // end of group list
return;
// Accumulate a group list. The members of the group
// are accumulated in a Vector and the corresponding string
// representation of the group is accumulated in a StringBuffer.
StringBuffer sb = new StringBuffer();
sb.append(groupname).append(':');
Vector v = new Vector();
while (r.peekByte() != ')') {
IMAPAddress a = new IMAPAddress(r);
if (a.isEndOfGroup()) // reached end of group
break;
if (v.size() != 0) // if not first element, need a comma
sb.append(',');
sb.append(a.toString());
v.addElement(a);
}
sb.append(';');
address = sb.toString();
grouplist = new IMAPAddress[v.size()];
v.copyInto(grouplist);
} else {
if (mb == null || mb.length() == 0)
address = host;
else if (host.length() == 0)
address = mb;
else
address = mb + "@" + host;
}
}
boolean isEndOfGroup() {
return group && groupname == null;
}
public boolean isGroup() {
return group;
}
public InternetAddress[] getGroup(boolean strict) throws AddressException {
if (grouplist == null)
return null;
return (InternetAddress[])grouplist.clone();
}
}