import java.util.*;
import java.text.*;
-public class Mailbox extends Target {
+public abstract class Mailbox extends Target {
+
+ private 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();
+ }
+ }
// metadata
public void set(Message m, String key, String val) { throw new MailException.MetadataNotSupported(); }
public abstract int uidValidity(); // get the uid validity identifier (see IMAP RFC)
// messages
- public int add(Message message) throws MailException { throw new Error("not implemented"); }
- public int delete(Message message) throws MailException { throw new Error("not implemented"); }
- public void query(Query q, Message.Visitor v) throws MailException { throw new Error("not implemented"); }
- public int count(Query q) throws MailException { throw new Error("not implemented"); }
- public void move(Query q, Mailbox dest, boolean copy) throws MailException { throw new Error("not implemented"); }
+ public abstract void visit(Message.Visitor v) throws MailException; // only abstract method
+ public int add(Message message) throws MailException { throw new MailException("not implemented"); }
+ public int delete(Message message) throws MailException { throw new MailException("not implemented"); }
+ public void move(Query q, Mailbox dest, boolean copy) throws MailException { throw new MailException("not implemented"); }
+ public int count(Query q) throws MailException { CounterVisitor cv = new CounterVisitor(this,q); visit(cv); return cv.count; }
+ public void query(Query q, final Message.Visitor v) throws MailException {
+ visit(new Message.Visitor() { public void visit(Message m) { if (q.match(Mailbox.this,m)) v.visit(Mailbox.this,m); } }); }
// submailboxes
- public void rename(String newName) throws MailException { throw new Error("not implemented"); }
- public void destroy() throws MailException { throw new Error("not implemented"); }
- public Mailbox slash(String name, boolean create) throws MailException { throw new Error("not implemented"); }
-
- /** 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 MailException { 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 MailException {
- try {
- 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;
- }
- }
-
- File target = new File(today.getPath() + File.separatorChar + time + ".txt");
- OutputStream os = new FileOutputStream(target);
- message.dump(os);
- os.close();
- return -1;
- } catch (IOException e) { throw new MailException.IOException(e); }
- }
- }
-
- public static class FileBased extends Mailbox {
- private String path;
- private FileBased(String path) throws MailException { new File(this.path = path).mkdirs(); }
- public Mailbox slash(String name, boolean create) throws MailException {
- // FIXME: create
- 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 MailException {
- try {
- 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;
- } catch (IOException e) { throw new MailException.IOException(e); }
- }
+ public void rename(String newName) throws MailException { throw new MailException("you cannot rename this mailbox"); }
+ public void destroy() throws MailException { throw new MailException("you cannot destroy this mailbox"); }
+ public Mailbox slash(String name, boolean create) throws MailException { throw new MailException("no submailboxes"); }
- public Message get(int messagenum) throws MailException {
- File f = new File(path + File.separatorChar + messagenum + ".");
- if (!f.exists()) throw new MailException.IOException(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;
- }
- */
- return null;
- }
-
- // 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");
- }
-
- }
-
-
- 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 MailException {
- throw new Error(this.getClass().getName() + " does not support the slash() method"); }
- public synchronized int add(Message message) throws MailException {
- 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;
- }
-
-
- private 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();
- }
+ private static class CounterVisitor implements Message.Visitor {
+ public int count = 0;
+ public void visit(Message m) { if (q.match(Mailbox.this, m)) count++; }
}
public final void accept(Message m) throws MailException { add(m); }