/*
* NEMESIS-FORUM.
* Copyright (C) 2002 David Laurent(lithium2@free.fr). All rights reserved.
*
* Copyright (c) 2000 The Apache Software Foundation. All rights reserved.
*
* Copyright (C) 2001 Yasna.com. All rights reserved.
*
* Copyright (C) 2000 CoolServlets.com. All rights reserved.
*
* NEMESIS-FORUM. is free software; you can redistribute it and/or
* modify it under the terms of the Apache Software License, Version 1.1,
* or (at your option) any later version.
*
* NEMESIS-FORUM core framework, NEMESIS-FORUM backoffice, NEMESIS-FORUM frontoffice
* application are parts of NEMESIS-FORUM and are distributed under
* same terms of licence.
*
*
* NEMESIS-FORUM includes software developed by the Apache Software Foundation (http://www.apache.org/)
* and software developed by CoolServlets.com (http://www.coolservlets.com).
* and software developed by Yasna.com (http://www.yasna.com).
*
*/
package org.nemesis.forum.proxy;
import java.util.Iterator;
import org.nemesis.forum.Authorization;
import org.nemesis.forum.Forum;
import org.nemesis.forum.ForumPermissions;
import org.nemesis.forum.Group;
import org.nemesis.forum.ProfileManager;
import org.nemesis.forum.User;
import org.nemesis.forum.config.Constants;
import org.nemesis.forum.exception.GroupAlreadyExistsException;
import org.nemesis.forum.exception.GroupNotFoundException;
import org.nemesis.forum.exception.UnauthorizedException;
import org.nemesis.forum.exception.UserAlreadyExistsException;
import org.nemesis.forum.exception.UserNotFoundException;
/**
* Protection proxy for the ProfileManager class. It restricts access to
* protected methods by throwing UnauthorizedExceptions when necessary.
*
* @see ProfileManager
*/
public class ProfileManagerProxy implements ProfileManager {
private ProfileManager profileManager;
private Authorization authorization;
private ForumPermissions permissions;
/**
* Creates a new ProfileManagerProxy.
*/
public ProfileManagerProxy(
ProfileManager profileManager,
Authorization authorization,
ForumPermissions permissions) {
this.profileManager = profileManager;
this.authorization = authorization;
this.permissions = permissions;
}
public User createUser(String username, String password, String email)
throws UserAlreadyExistsException {
return profileManager.createUser(username, password, email);
}
public Group createGroup(String name)
throws UnauthorizedException, GroupAlreadyExistsException {
if (permissions.get(Constants.SYSTEM_ADMIN)) {
Group group = profileManager.createGroup(name);
return new GroupProxy(group, authorization, permissions);
} else {
throw new UnauthorizedException();
}
}
public User getUser(int userID) throws UserNotFoundException {
User user = profileManager.getUser(userID);
ForumPermissions userPermissions = user.getPermissions(authorization);
ForumPermissions newPermissions =
new ForumPermissions(permissions, userPermissions);
return new UserProxy(user, authorization, newPermissions);
}
public User getUser(String username) throws UserNotFoundException {
User user = profileManager.getUser(username);
ForumPermissions userPermissions = user.getPermissions(authorization);
ForumPermissions newPermissions =
new ForumPermissions(permissions, userPermissions);
return new UserProxy(user, authorization, newPermissions);
}
public User getAnonymousUser() {
return profileManager.getAnonymousUser();
}
public User getSpecialUser() {
return profileManager.getSpecialUser();
}
public Group getGroup(int groupID) throws GroupNotFoundException {
Group group = profileManager.getGroup(groupID);
ForumPermissions groupPermissions = group.getPermissions(authorization);
ForumPermissions newPermissions =
new ForumPermissions(permissions, groupPermissions);
return new GroupProxy(group, authorization, newPermissions);
}
public Group getGroup(String name) throws GroupNotFoundException {
Group group = profileManager.getGroup(name);
ForumPermissions groupPermissions = group.getPermissions(authorization);
ForumPermissions newPermissions =
new ForumPermissions(permissions, groupPermissions);
return new GroupProxy(group, authorization, newPermissions);
}
public void deleteUser(User user) throws UnauthorizedException {
if (permissions.get(Constants.SYSTEM_ADMIN)) {
profileManager.deleteUser(user);
} else {
throw new UnauthorizedException();
}
}
public void deleteGroup(Group group) throws UnauthorizedException {
if (permissions.get(Constants.SYSTEM_ADMIN)) {
profileManager.deleteGroup(group);
} else {
throw new UnauthorizedException();
}
}
public int getUserCount() {
return profileManager.getUserCount();
}
public int getGroupCount() {
return profileManager.getGroupCount();
}
public Iterator users() {
Iterator iterator = profileManager.users();
return new UserIteratorProxy(iterator, authorization, permissions);
}
public Iterator users(int startIndex, int numResults) {
Iterator iterator = profileManager.users(startIndex, numResults);
return new UserIteratorProxy(iterator, authorization, permissions);
}
public Iterator groups() {
Iterator iterator = profileManager.groups();
return new GroupIteratorProxy(iterator, authorization, permissions);
}
public Iterator groups(int startIndex, int numResults) {
Iterator iterator = profileManager.groups(startIndex, numResults);
return new GroupIteratorProxy(iterator, authorization, permissions);
}
public int userMessageCount(User user, Forum forum) {
return profileManager.userMessageCount(user, forum);
}
public Iterator userMessages(User user, Forum forum) {
Iterator iterator = profileManager.userMessages(user, forum);
return new MessageIteratorProxy(iterator, authorization, permissions);
}
}