import java.util.*;
import java.text.*;
-// FIXME: appallingly inefficient
-public class Mailbox extends Target {
+/** abstract superclass for mailboxes, which store messages along with their flags */
+public abstract class Mailbox extends Target {
- private static final String STORAGE_ROOT =
+ public static final String STORAGE_ROOT =
System.getProperty("ibex.mail.root", File.separatorChar + "var" + File.separatorChar + "org.ibex.mail");
- public static FileBased root = null;
- public static Transcript transcript = null;
- static {
- try {
- root = new FileBased(STORAGE_ROOT + File.separatorChar);
- transcript = new Transcript(STORAGE_ROOT + File.separatorChar + "transcript");
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- public void accept(Message m) throws IOException { add(m); }
- public Mailbox slash(String name) throws IOException {
- throw new Error(this.getClass().getName() + " does not support the slash() method"); }
- public int[] list() { throw new Error(this.getClass().getName() + " does not support the list() method"); }
- public int add(Message message) throws IOException {
- throw new Error(this.getClass().getName() + " does not support the add() method"); }
- public int delete(Message message) throws IOException {
- throw new Error(this.getClass().getName() + " does not support the delete() method"); }
- public Message get(int messagenum) throws IOException {
- throw new Error(this.getClass().getName() + " does not support the get() method"); }
- public Message[] query(int maxResults) {
- throw new Error(this.getClass().getName() + " does not support the query() method"); }
-
- public static class Mailbox extends Mailbox {
- String user;
- private static Hashtable cache = new Hashtable();
- public static Mailbox getForUser(String user) {
- Mailbox ret = (Mailbox)cache.get(user);
- if (ret == null) ret = new Mailbox(user);
- return ret;
- }
- Mailbox(String user) { this.user = user; }
- public Mailbox slash(String name) throws IOException {
- throw new Error(this.getClass().getName() + " does not support the slash() method"); }
- public synchronized int add(Message message) throws IOException {
- FileOutputStream fos = new FileOutputStream("/var/mail/" + user, true);
- PrintWriter pw = new PrintWriter(new OutputStreamWriter(fos));
- pw.println("From " + message.envelopeFrom);
- pw.flush();
- message.dump(fos);
- fos.close();
- return -1;
- }
- }
- /** a fast-write, slow-read place to stash all messages we touch -- in case of a major f*ckup */
- public static class Transcript extends Mailbox {
- private String path;
- public Transcript(String path) throws IOException { new File(this.path = path).mkdirs(); }
- private static String lastTime = null;
- private static int lastCounter = 0;
-
- /** returns a message identifier */
- public synchronized int add(Message message) throws IOException {
- File today = new File(path + File.separatorChar + (new SimpleDateFormat("yy-MMM-dd").format(new Date())));
- today.mkdirs();
-
- String time = new SimpleDateFormat("HH:mm:ss").format(new Date());
- synchronized (Transcript.class) {
- if (lastTime != null && lastTime.equals(time)) {
- time += "." + (++lastCounter);
- } else {
- lastTime = time;
- }
+ // Required Methods //////////////////////////////////////////////////////////////////////////////
+
+ /** phantom mailboxes merely contain others; like the alt.binaries in alt.binaries.warez */
+ public abstract boolean phantom();
+ public abstract Mailbox.Iterator iterator(Query q);
+ public abstract void add(Message message);
+ public abstract void add(Message message, int flags);
+ public abstract void move(Query q, Mailbox dest);
+ public abstract void copy(Query q, Mailbox dest);
+ public abstract int count(Query q);
+ public abstract int uidNext();
+ public abstract int uidValidity();
+ public abstract void rename(String newName); /* FIXME: IMAP semantics require creating parent dirs */
+ public abstract void destroy(boolean recursive);
+ public abstract Mailbox slash(String name, boolean create);
+ public abstract String[] children();
+
+
+ // Thunks ////////////////////////////////////////////////////////////////////////////
+
+ public final void accept(Message m) { add(m); }
+ public Mailbox.Iterator iterator() { return iterator(Query.all()); }
+
+
+ // Default Implementation //////////////////////////////////////////////////////////////////////////////
+
+ /** default, inefficient implementation of Mailbox; only requires a few methods to be implemented */
+ public static abstract class Default extends Mailbox {
+ public Mailbox.Iterator iterator(Query q) { return new Mailbox.Iterator.QueryIterator(q, this); }
+ public boolean phantom() { return false; }
+ public void copy(Query q, Mailbox dest) { for(Mailbox.Iterator it = iterator(q); it.next();) dest.add(it.cur()); }
+ public int count(Query q) { int count = 0; for(Mailbox.Iterator it = iterator(q); it.next();) count++; return count; }
+ public void rename(String newName) { throw new MailException("not supported"); }
+ public void destroy(boolean recursive) { throw new MailException("not supported"); }
+ public Mailbox slash(String name, boolean create) { throw new MailException("not supported"); }
+ public String[] children() { return new String[] { }; }
+ public void move(Query q, Mailbox dest) {
+ for(Mailbox.Iterator it = iterator(q);it.next();) { dest.add(it.cur()); it.delete(); }
+ }
+ public static abstract class Iterator implements Mailbox.Iterator {
+ public int flags() {
+ return
+ (deleted() ? Flag.DELETED : 0) |
+ (seen() ? Flag.SEEN : 0) |
+ (answered() ? Flag.ANSWERED : 0) |
+ (draft() ? Flag.DRAFT : 0) |
+ (recent() ? Flag.RECENT : 0);
+ }
+ public void addFlags(int flags) {
+ if ((flags & Flag.DELETED) == Flag.DELETED) deleted(true);
+ if ((flags & Flag.SEEN) == Flag.SEEN) seen(true);
+ if ((flags & Flag.FLAGGED) == Flag.FLAGGED) flagged(true);
+ if ((flags & Flag.DRAFT) == Flag.DRAFT) draft(true);
+ if ((flags & Flag.RECENT) == Flag.RECENT) recent(true);
+ }
+ public void removeFlags(int flags) {
+ if ((flags & Flag.DELETED) == Flag.DELETED) deleted(false);
+ if ((flags & Flag.SEEN) == Flag.SEEN) seen(false);
+ if ((flags & Flag.FLAGGED) == Flag.FLAGGED) flagged(false);
+ if ((flags & Flag.DRAFT) == Flag.DRAFT) draft(false);
+ if ((flags & Flag.RECENT) == Flag.RECENT) recent(false);
+ }
+ public void setFlags(int flags) {
+ if ((flags & Flag.DELETED) == Flag.DELETED) deleted(true); else deleted(false);
+ if ((flags & Flag.SEEN) == Flag.SEEN) seen(true); else seen(false);
+ if ((flags & Flag.FLAGGED) == Flag.FLAGGED) flagged(true); else flagged(false);
+ if ((flags & Flag.DRAFT) == Flag.DRAFT) draft(true); else draft(false);
+ if ((flags & Flag.RECENT) == Flag.RECENT) recent(true); else recent(false);
}
-
- File target = new File(today.getPath() + File.separatorChar + time + ".txt");
- OutputStream os = new FileOutputStream(target);
- message.dump(os);
- os.close();
- return -1;
}
}
- public static class FileBased extends Mailbox {
- private String path;
- private FileBased(String path) throws IOException { new File(this.path = path).mkdirs(); }
- public Mailbox slash(String name) throws IOException { return new FileBased(path + "/" + name); }
-
- public int[] list() {
- String[] names = new File(path).list();
- int[] ret = new int[names.length];
- for(int i=0, j=0; j<ret.length; i++, j++) {
- try {
- ret[j] = Integer.parseInt(names[i].substring(0, names[i].length() - 1));
- } catch (NumberFormatException nfe) {
- Log.warn(FileBased.class, "NumberFormatException: " + names[i].substring(0, names[i].length() - 1));
- j--;
- int[] newret = new int[ret.length - 1];
- System.arraycopy(ret, 0, newret, 0, newret.length);
- ret = newret;
- }
- }
- return ret;
- }
- /** returns a message identifier */
- public synchronized int add(Message message) throws IOException {
- int[] all = list();
- int max = 0;
- for(int i=0; i<all.length; i++) max = Math.max(max, all[i]);
- int target = max++;
- File f = new File(path + File.separatorChar + max + ".-");
- FileOutputStream fo = new FileOutputStream(f);
- message.dump(fo);
- fo.close();
- f.renameTo(new File(path + File.separatorChar + max + "."));
- return target;
- }
+ // Iterator Definition //////////////////////////////////////////////////////////////////////////////
- public Message get(int messagenum) throws IOException {
- File f = new File(path + File.separatorChar + messagenum + ".");
- if (!f.exists()) throw new FileNotFoundException(f.toString());
- //try {
- // FIXME: need to store envelope from/to
- //Message ret = new Message(new LineReader(new InputStreamReader(new FileInputStream(f))));
- // FIXME: set answered/read/etc here
- //return ret;
- return null;
- /*
- } catch (MailException.Malformed malf) {
- Log.error(this, "This should never happen");
- Log.error(this, malf);
- return null;
- }
- */
- }
+ public static interface Iterator {
+ public abstract int flags();
+ public abstract Message cur();
+ public abstract boolean next();
+ public abstract int uid();
+ public abstract int num();
+ public abstract void delete();
+ public abstract void set(String key, String val);
+ public abstract String get(String key);
+ public abstract boolean seen();
+ public abstract boolean deleted();
+ public abstract boolean flagged();
+ public abstract boolean draft();
+ public abstract boolean answered();
+ public abstract boolean recent();
+ public abstract void seen(boolean on);
+ public abstract void deleted(boolean on);
+ public abstract void flagged(boolean on);
+ public abstract void draft(boolean on);
+ public abstract void answered(boolean on);
+ public abstract void recent(boolean on);
+ public abstract void addFlags(int flags);
+ public abstract void removeFlags(int flags);
+ public abstract void setFlags(int flags);
- // query types: stringmatch (headers, body), header element, deletion status, date range, message size
- public Message[] query(int maxResults) {
- throw new RuntimeException("FileBased.query() not implemented yet");
+ public static class Wrapper implements Iterator {
+ private Iterator it;
+ public Wrapper(Iterator it) { this.it = it; }
+ public Message cur() { return it.cur(); }
+ public boolean next() { return it.next(); }
+ public int uid() { return it.uid(); }
+ public int flags() { return it.flags(); }
+ public int num() { return it.num(); }
+ public void set(String key, String val) { it.set(key, val); }
+ public String get(String key) { return it.get(key); }
+ public void delete() { it.delete(); }
+ public boolean seen() { return it.seen(); }
+ public boolean deleted() { return it.deleted(); }
+ public boolean flagged() { return it.flagged(); }
+ public boolean draft() { return it.draft(); }
+ public boolean answered() { return it.answered(); }
+ public boolean recent() { return it.recent(); }
+ public void seen(boolean on) { it.seen(on); }
+ public void deleted(boolean on) { it.deleted(on); }
+ public void flagged(boolean on) { it.flagged(on); }
+ public void draft(boolean on) { it.draft(on); }
+ public void answered(boolean on) { it.answered(on); }
+ public void recent(boolean on) { it.recent(on); }
+ public void addFlags(int flags) { it.addFlags(flags); }
+ public void removeFlags(int flags) { it.removeFlags(flags); }
+ public void setFlags(int flags) { it.setFlags(flags); }
}
+ class QueryIterator extends Mailbox.Iterator.Wrapper {
+ Query q;
+ public QueryIterator(Query q, Mailbox m) { super(m.iterator()); this.q = q; }
+ public boolean next() { do { if (!super.next()) return false; } while(!q.match(this)); return true; }
+ }
}
+ /** constants for the six IMAP flags */
+ public static class Flag {
+ public static final int DELETED = 0x0001;
+ public static final int SEEN = 0x0002;
+ public static final int FLAGGED = 0x0004;
+ public static final int DRAFT = 0x0008;
+ public static final int ANSWERED = 0x0010;
+ public static final int RECENT = 0x0020;
+ }
+
}
projects / org.ibex.mail.git / blobdiff