001: /**
002: * Copyright (C) 2001 Yasna.com. All rights reserved.
003: *
004: * ===================================================================
005: * The Apache Software License, Version 1.1
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution,
020: * if any, must include the following acknowledgment:
021: * "This product includes software developed by
022: * Yasna.com (http://www.yasna.com)."
023: * Alternately, this acknowledgment may appear in the software itself,
024: * if and wherever such third-party acknowledgments normally appear.
025: *
026: * 4. The names "Yazd" and "Yasna.com" must not be used to
027: * endorse or promote products derived from this software without
028: * prior written permission. For written permission, please
029: * contact yazd@yasna.com.
030: *
031: * 5. Products derived from this software may not be called "Yazd",
032: * nor may "Yazd" appear in their name, without prior written
033: * permission of Yasna.com.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL YASNA.COM OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: *
049: * This software consists of voluntary contributions made by many
050: * individuals on behalf of Yasna.com. For more information
051: * on Yasna.com, please see <http://www.yasna.com>.
052: */package com.Yasna.forum;
053:
054: import java.util.Date;
055: import java.util.Iterator;
056: import java.util.Enumeration;
057:
058: /**
059: * A protection proxy for ForumGroup. A proxy has a set of permissions that are
060: * specified at creation time of the proxy. Subsequently, those permissions
061: * are used to restrict access to protected Category methods. If a user does
062: * not have the right to execute a particular method, and UnauthorizedException
063: * is thrown.
064: *
065: * @see Forum
066: * @see ForumPermissions
067: * @see UnauthorizedException
068: */
069: public class ForumGroupProxy implements ForumGroup {
070:
071: private ForumGroup forumGroup;
072: private Authorization authorization;
073: private ForumPermissions permissions;
074:
075: /**
076: * Creates a new ForumGroupProxy object.
077: *
078: * @param forumGroup the forumGroup to protect by proxy
079: * @param authorization the user's authorization token
080: * @param permissions the permissions to use with this proxy.
081: */
082: public ForumGroupProxy(ForumGroup forumGroup,
083: Authorization authorization, ForumPermissions permissions) {
084: this .forumGroup = forumGroup;
085: this .authorization = authorization;
086: this .permissions = permissions;
087: }
088:
089: //** Methods from interface below**//
090: public String getName() {
091: return forumGroup.getName();
092: }
093:
094: public int getID() {
095: return forumGroup.getID();
096: }
097:
098: public String getDescription() {
099: return forumGroup.getDescription();
100: }
101:
102: public Date getCreationDate() {
103: return forumGroup.getCreationDate();
104: }
105:
106: public Date getModifiedDate() {
107: return forumGroup.getModifiedDate();
108: }
109:
110: public int getOrder() {
111: return forumGroup.getOrder();
112: }
113:
114: public void setOrder(int param) throws UnauthorizedException {
115: if (permissions.isSystemOrForumAdmin()) {
116: forumGroup.setOrder(param);
117: } else {
118: throw new UnauthorizedException();
119: }
120: }
121:
122: public void setModifiedDate(Date modifiedDate)
123: throws UnauthorizedException {
124: if (permissions.isSystemOrForumAdmin()) {
125: forumGroup.setModifiedDate(modifiedDate);
126: } else {
127: throw new UnauthorizedException();
128: }
129: }
130:
131: public void setCreationDate(Date creationDate)
132: throws UnauthorizedException {
133: if (permissions.isSystemOrForumAdmin()) {
134: forumGroup.setCreationDate(creationDate);
135: } else {
136: throw new UnauthorizedException();
137: }
138: }
139:
140: public void setName(String name) throws UnauthorizedException {
141: if (permissions.isSystemOrForumAdmin()) {
142: forumGroup.setName(name);
143: } else {
144: throw new UnauthorizedException();
145: }
146: }
147:
148: public void setDescription(String description)
149: throws UnauthorizedException {
150: if (permissions.isSystemOrForumAdmin()) {
151: forumGroup.setDescription(description);
152: } else {
153: throw new UnauthorizedException();
154: }
155: }
156:
157: public Iterator forums() {
158: Iterator iterator = forumGroup.forums();
159: return new ForumIteratorProxy(iterator, authorization,
160: permissions, false);
161: }
162: }
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