archivemanagerproxy.java

来自「Jive是基于JSP/JAVA技术构架的一个大型BBS论坛系统,这是Jive论坛」· Java 代码 · 共 198 行

/**
 * $RCSfile: ArchiveManagerProxy.java,v $
 * $Revision: 1.3 $
 * $Date: 2002/07/11 01:56:20 $
 *
 * Copyright (C) 2002 CoolServlets, Inc. All rights reserved.
 *
 * This software is the proprietary information of CoolServlets, Inc.
 * Use is subject to license terms.
 */

package com.jivesoftware.forum;

import java.util.Date;

/**
 * Protection proxy for the ArchiveManager class.
 *
 * @author Matt Tucker
 */
public class ArchiveManagerProxy implements ArchiveManager {

    private ArchiveManager archiveManager;
	private Authorization authorization;
	private ForumPermissions permissions;

    public ArchiveManagerProxy(ArchiveManager archiveManager,
            Authorization authorization, ForumPermissions permissions)
    {
        this.archiveManager = archiveManager;
        this.authorization = authorization;
        this.permissions = permissions;
    }

    public boolean isArchivingEnabled(Forum forum) {
        return archiveManager.isArchivingEnabled(forum);
    }

    public void setArchivingEnabled(Forum forum, boolean enabled)
            throws UnauthorizedException
    {
        if (isAdmin(forum)) {
            archiveManager.setArchivingEnabled(forum, enabled);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public int getArchiveDays(Forum forum) {
        return archiveManager.getArchiveDays(forum);
    }

    public void setArchiveDays(Forum forum, int days)
            throws UnauthorizedException
    {
        if (isAdmin(forum)) {
            archiveManager.setArchiveDays(forum, days);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public int getArchiveMode(Forum forum) {
        return archiveManager.getArchiveMode(forum);
    }

    public void setArchiveMode(Forum forum, int mode)
            throws UnauthorizedException
    {
        if (isAdmin(forum)) {
            archiveManager.setArchiveMode(forum, mode);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public Forum getArchiveForum(Forum forum) throws UnauthorizedException {
        if (isAdmin(forum)) {
            Forum archiveForum = archiveManager.getArchiveForum(forum);
            // If the archiveForum is null, return null since no forum
            // has been selected
            if (archiveForum == null) {
                return null;
            }
            // Load permissions on the forum.
            ForumPermissions forumPermissions = archiveForum.getPermissions(authorization);
            // Create a new permissions object with the combination of the
            // permissions.
            ForumPermissions newPermissions =
                    new ForumPermissions(permissions, forumPermissions);
            // Check and see if the user has read permissions. If not, throw an
            // an UnauthorizedException.
            if (!(
                newPermissions.get(ForumPermissions.READ_FORUM) ||
                newPermissions.get(ForumPermissions.CATEGORY_ADMIN) ||
                newPermissions.get(ForumPermissions.FORUM_ADMIN) ||
                newPermissions.get(ForumPermissions.MODERATE_THREADS) ||
                newPermissions.get(ForumPermissions.MODERATE_MESSAGES) ||
                newPermissions.get(ForumPermissions.SYSTEM_ADMIN)
                ))
            {
                throw new UnauthorizedException();
            }
            return new ForumProxy(archiveForum, authorization, newPermissions);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public void setArchiveForum(Forum forum, Forum archiveForum)
            throws UnauthorizedException
    {
        if (isAdmin(forum) && isAdmin(archiveForum)) {
            archiveManager.setArchiveForum(forum, archiveForum);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public boolean isAutoArchiveEnabled() throws UnauthorizedException
    {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            return archiveManager.isAutoArchiveEnabled();
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public void setAutoArchiveEnabled(boolean enabled)
            throws UnauthorizedException
    {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            archiveManager.setAutoArchiveEnabled(enabled);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public int getAutoArchiveInterval() throws UnauthorizedException
    {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            return archiveManager.getAutoArchiveInterval();
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public void setAutoArchiveInterval(int interval) throws UnauthorizedException {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            archiveManager.setAutoArchiveInterval(interval);
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public boolean isBusy() throws UnauthorizedException {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            return archiveManager.isBusy();
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public Date getLastArchivedDate() throws UnauthorizedException {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            return archiveManager.getLastArchivedDate();
        }
        else {
            throw new UnauthorizedException();
        }
    }

    public void runArchiver() throws UnauthorizedException {
        if (permissions.get(ForumPermissions.SYSTEM_ADMIN)) {
            archiveManager.runArchiver();
        }
        else {
            throw new UnauthorizedException();
        }
    }

    private boolean isAdmin(Forum forum) {
        return permissions.get(ForumPermissions.SYSTEM_ADMIN) ||
               forum.hasPermission(ForumPermissions.CATEGORY_ADMIN) ||
               forum.hasPermission(ForumPermissions.FORUM_ADMIN);
    }
}