зеркало из https://github.com/mozilla/gecko-dev.git
232 строки
8.1 KiB
Java
232 строки
8.1 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Terry Weissman <terry@netscape.com>, 28 Aug 1997.
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*
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* Contributors: Will Scullin <scullin@meer.net>
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*/
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package grendel.storage;
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import calypso.util.Assert;
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import calypso.util.ByteBuf;
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import java.io.File;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.mail.Flags;
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import javax.mail.Folder;
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import javax.mail.Message;
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import javax.mail.MessagingException;
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import javax.mail.internet.InternetHeaders;
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class BerkeleyMessage extends MessageBase {
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int fIndex;
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int fLength;
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/* Note: these flag values are compatible with the X-Mozilla-Status
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headers generated by Netscape Mail 2.0 through 4.0. Don't change
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them.
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Note also: Mozilla 2.0 and 3.0 can't read X-Mozilla-Status headers
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that contain other than exactly 4 hex digits (16 bits.) If we
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ever need to save more than 16 flags to the file, we will probably
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have to do so incompatibly...
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Think twice before adding a new flag here! Do you really need to
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write it to X-Mozilla-Status? Is parsing it from another header
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good enough? These flags are scarce, and once added, they can't
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ever be removed without breaking old files.
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*/
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protected static final int X_MOZILLA_FLAG_READ = 0x0001;
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protected static final int X_MOZILLA_FLAG_REPLIED = 0x0002; // since 4.0
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protected static final int X_MOZILLA_FLAG_MARKED = 0x0004;
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protected static final int X_MOZILLA_FLAG_DELETED = 0x0008;
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protected static final int X_MOZILLA_FLAG_HAS_RE = 0x0010;
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/* 0x0020, 0x0040, 0x0080, and 0x0100 are unused. */
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protected static final int X_MOZILLA_FLAG_SMTP_AUTH = 0x0200; // since 4.0
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protected static final int X_MOZILLA_FLAG_PARTIAL = 0x0400;
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protected static final int X_MOZILLA_FLAG_QUEUED = 0x0800; // since 3.0?
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protected static final int X_MOZILLA_FLAG_FORWARDED = 0x1000; // since 4.0
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/* Note: this one is 3 bits. */
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protected static final int X_MOZILLA_FLAG_PRIORITY = 0xE000; // since 4.0
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BerkeleyMessage(BerkeleyFolder f, InternetHeaders h) {
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super(f, h);
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parseMozillaStatus(h);
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}
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BerkeleyMessage(BerkeleyFolder f,
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long date,
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long flags,
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ByteBuf author,
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ByteBuf recipient,
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ByteBuf subj,
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ByteBuf id,
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ByteBuf refs[]) {
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super(f, date, flags, author, recipient, subj, id, refs);
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}
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BerkeleyMessage(BerkeleyFolder f,
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long date,
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long flags,
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ByteBuf author,
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ByteBuf recipient,
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ByteBuf subj,
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MessageID id,
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MessageID refs[]) {
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super(f, date, flags, author, recipient, subj, id, refs);
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}
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protected void parseMozillaStatus(InternetHeaders h) {
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int xms = 0;
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String hh[] = h.getHeader("X-Mozilla-Status");
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if (hh != null && hh.length != 0) {
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byte value[] = hh[0].trim().getBytes();
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/* sucks that we can't use Short.parseShort(buf, 16). */
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for (int i = 0; i < value.length; i++) {
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byte b = value[i];
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if (b >= '0' && b <= '9') xms = (xms << 4) | (b - '0');
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else if (b >= 'A' && b <= 'F') xms = (xms << 4) | (b - 'A' + 10);
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else if (b >= 'a' && b <= 'f') xms = (xms << 4) | (b - 'a' + 10);
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else { xms = 0; break; }
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}
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flags = mozillaFlagsToInternalFlags(xms);
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}
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}
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/** Given a value read from an X-Mozilla-Status header, returns a
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value suitable for storing in MessageBase.flags.
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(The two types of flags don't use the same space or range.)
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*/
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static long mozillaFlagsToInternalFlags(long x_mozilla_status) {
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long xms = x_mozilla_status;
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long flags = 0;
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if ((xms & X_MOZILLA_FLAG_READ) != 0) flags |= FLAG_READ;
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if ((xms & X_MOZILLA_FLAG_REPLIED) != 0) flags |= FLAG_REPLIED;
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if ((xms & X_MOZILLA_FLAG_MARKED) != 0) flags |= FLAG_MARKED;
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if ((xms & X_MOZILLA_FLAG_DELETED) != 0) flags |= FLAG_DELETED;
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if ((xms & X_MOZILLA_FLAG_HAS_RE) != 0) flags |= FLAG_HAS_RE;
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if ((xms & X_MOZILLA_FLAG_SMTP_AUTH) != 0) flags |= FLAG_SMTP_AUTH;
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if ((xms & X_MOZILLA_FLAG_PARTIAL) != 0) flags |= FLAG_PARTIAL;
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if ((xms & X_MOZILLA_FLAG_QUEUED) != 0) flags |= FLAG_QUEUED;
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if ((xms & X_MOZILLA_FLAG_FORWARDED) != 0) flags |= FLAG_FORWARDED;
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/* if ((xms & X_MOZILLA_FLAG_PRIORITY) != 0) ... #### */
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return flags;
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}
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/** Given a value of the form found in MessageBase.flags, returns a
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value that may be written to an X-Mozilla-Flags header.
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(The two types of flags don't use the same space or range.)
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*/
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static long internalFlagsToMozillaFlags(long internal_flags) {
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long f = internal_flags;
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long xms = 0;
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if ((f & FLAG_READ) != 0) xms |= X_MOZILLA_FLAG_READ;
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if ((f & FLAG_REPLIED) != 0) xms |= X_MOZILLA_FLAG_REPLIED;
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if ((f & FLAG_MARKED) != 0) xms |= X_MOZILLA_FLAG_MARKED;
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if ((f & FLAG_DELETED) != 0) xms |= X_MOZILLA_FLAG_DELETED;
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if ((f & FLAG_HAS_RE) != 0) xms |= X_MOZILLA_FLAG_HAS_RE;
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if ((f & FLAG_SMTP_AUTH) != 0) xms |= X_MOZILLA_FLAG_SMTP_AUTH;
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if ((f & FLAG_PARTIAL) != 0) xms |= X_MOZILLA_FLAG_PARTIAL;
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if ((f & FLAG_QUEUED) != 0) xms |= X_MOZILLA_FLAG_QUEUED;
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if ((f & FLAG_FORWARDED) != 0) xms |= X_MOZILLA_FLAG_FORWARDED;
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/* #### X_MOZILLA_FLAG_PRIORITY */
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return xms;
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}
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/** Returns a reasonable value for the X-Mozilla-Status header of the
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given Message. If the Message is a subclass of MessageBase, this
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value will be based on MessageBase.flags; otherwise, we will go through
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the painful string-based javamail API. (The Message may also be null.)
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*/
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static long makeMozillaFlags(Message m) {
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long xms = 0;
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if (m instanceof MessageBase) {
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xms = internalFlagsToMozillaFlags(((MessageBase)m).flags);
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} else if (m == null) {
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xms = X_MOZILLA_FLAG_READ;
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} else {
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for (int i=0 ; i<FLAGDEFS.length ; i++) {
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try {
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Flags f = m.getFlags();
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if (FLAGDEFS[i].builtin != null
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? f.contains(FLAGDEFS[i].builtin)
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: f.contains(FLAGDEFS[i].non_builtin)) {
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xms |= FLAGDEFS[i].flag;
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}
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} catch (MessagingException e) { }
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}
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xms = internalFlagsToMozillaFlags(xms);
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}
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return xms;
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}
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void setSize(int l) {
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fLength = l;
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}
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public int getSize() {
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return fLength;
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}
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void setStorageFolderIndex(int p) {
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fIndex = p;
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}
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int getStorageFolderIndex() {
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return fIndex;
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}
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public InputStream getInputStreamWithHeaders()
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throws MessagingException
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{
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BerkeleyFolder f = (BerkeleyFolder) getFolder();
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try {
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return new PartialFileInputStream(f.getFile(), getStorageFolderIndex(),
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fLength);
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} catch (IOException e) {
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throw new MessagingException(e.toString());
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}
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}
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protected void setFlagBit(long flag, boolean value) {
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long oflags = flags;
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super.setFlagBit(flag, value);
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if (oflags != flags) {
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setFlagsDirty(true);
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((BerkeleyFolder) folder).setFlagsDirty(true, this, oflags);
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}
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}
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public void writeTo(OutputStream aStream) {
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Assert.NotYetImplemented("BerkeleyFolder.writeTo(IOStream)");
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}
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public int getLineCount() {
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Assert.NotYetImplemented("BerkeleyFolder.getLineCount()");
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return 0;
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}
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}
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