gecko-dev/grendel/ui/StoreFactory.java
1999-06-15 11:44:40 +00:00

196 lines
5.8 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1997
* Netscape Communications Corporation. All Rights Reserved.
*
* Created: Will Scullin <scullin@netscape.com>, 19 Nov 1997.
*
* Contributors: Jeff Galyan <talisman@anamorphic.com>
* Edwin Woudt <edwin@woudt.nl>
*/
package grendel.ui;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
import java.util.Vector;
import javax.mail.AuthenticationFailedException;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.swing.JOptionPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.EventListenerList;
import grendel.prefs.base.ServerArray;
import grendel.prefs.base.ServerStructure;
import grendel.view.ViewedStore;
import grendel.view.ViewedStoreBase;
import java.lang.ClassNotFoundException;
import java.lang.NoSuchMethodException;
import java.lang.IllegalAccessException;
import java.lang.IllegalArgumentException;
import java.lang.InstantiationException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
public class StoreFactory {
static StoreFactory fInstance = null;
Session fSession = null;
ViewedStore[] fStores = null;
DialogAuthenticator fAuthenticator = null;
EventListenerList fListeners = new EventListenerList();
private StoreFactory() {
//Preferences prefs = PreferencesFactory.Get();
//fAuthenticator = new DialogAuthenticator();
//fSession = Session.getDefaultInstance(prefs.getAsProperties(),
// fAuthenticator);
fSession = Session.getDefaultInstance(new Properties(),null);
fSession.setDebug(true);
}
public synchronized static StoreFactory Instance() {
if (fInstance == null) {
fInstance = new StoreFactory();
}
return fInstance;
}
public Session getSession() {
return fSession;
}
public synchronized ViewedStore[] getStores() {
if (fStores == null) {
updateStores();
}
return fStores;
}
private synchronized ViewedStore createStore(int ID) {
ServerStructure prefs = ServerArray.GetMaster().get(ID);
Store store = null;
ViewedStore viewedStore = null;
String proto = prefs.getType();
URLName urlName = new URLName(proto,null,-1,null,null,null);
// ### Very wrong temporary hack -- these protocols should be registered
// correctly with JavaMail trough the javamail.providers file
try {
Class c = null;
if (proto.equalsIgnoreCase("berkeley")) {
c = Class.forName("grendel.storage.BerkeleyStore");
urlName = new URLName(proto,null,-1,prefs.getBerkeleyDirectory(),null,null);
} else if (proto.equalsIgnoreCase("pop3")) {
c = Class.forName("com.sun.mail.pop3.POP3Store;");
} else if (proto.equalsIgnoreCase("news")) {
c = Class.forName("dog.mail.nntp.NNTPStore");
//c = Class.forName("grendel.storage.NewsStore");
}
if (c != null) {
Object args[] = { fSession, urlName };
Class types[] = { args[0].getClass(), args[1].getClass() };
Constructor cc = c.getConstructor(types);
store = (Store) cc.newInstance(args);
}
} catch (ClassNotFoundException c) { // Class.forName
} catch (NoSuchMethodException c) { // Constructor.getConstructor
} catch (IllegalAccessException c) { // Constructor.newInstance
} catch (IllegalArgumentException c) { // Constructor.newInstance
} catch (InstantiationException c) { // Constructor.newInstance
} catch (InvocationTargetException c) { // Constructor.newInstance
}
if (store == null) {
try {
store = fSession.getStore(proto);
} catch (MessagingException e) {
System.out.println("Got exception " + e +
" while creating store of type" + proto);
e.printStackTrace();
}
}
viewedStore = new ViewedStoreBase(store, ID);
return viewedStore;
}
private synchronized void closeStores() {
for (int i=0; i<fStores.length; i++) {
try {
fStores[i].getStore().close();
} catch (MessagingException mex) {
mex.printStackTrace();
}
}
}
private synchronized void updateStores() {
if (fSession == null) {
getSession();
}
if (fStores != null) {
closeStores();
}
ServerArray prefs = ServerArray.GetMaster();
fStores = new ViewedStore[prefs.size()];
for (int i=0; i<prefs.size(); i++) {
fStores[i] = createStore(i);
}
}
public synchronized void refreshStores() {
updateStores();
Object[] listeners = fListeners.getListenerList();
ChangeEvent event = null;
for (int i = 0; i < listeners.length - 1; i += 2) {
// Lazily create the event:
if (event == null)
event = new ChangeEvent(this);
((ChangeListener)listeners[i+1]).stateChanged(event);
}
}
public void addChangeListener(ChangeListener l) {
fListeners.add(ChangeListener.class, l);
}
public void removeChangeListener(ChangeListener l) {
fListeners.remove(ChangeListener.class, l);
}
}