Source Code Cross Referenced for AclEntry.java in  » 6.0-JDK-Modules » j2me » java » security » acl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » java.security.acl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * @(#)AclEntry.java	1.22 06/10/10
003:         *
004:         * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.  
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER  
006:         *   
007:         * This program is free software; you can redistribute it and/or  
008:         * modify it under the terms of the GNU General Public License version  
009:         * 2 only, as published by the Free Software Foundation.   
010:         *   
011:         * This program is distributed in the hope that it will be useful, but  
012:         * WITHOUT ANY WARRANTY; without even the implied warranty of  
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU  
014:         * General Public License version 2 for more details (a copy is  
015:         * included at /legal/license.txt).   
016:         *   
017:         * You should have received a copy of the GNU General Public License  
018:         * version 2 along with this work; if not, write to the Free Software  
019:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  
020:         * 02110-1301 USA   
021:         *   
022:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa  
023:         * Clara, CA 95054 or visit www.sun.com if you need additional  
024:         * information or have any questions. 
025:         *
026:         */
027:
028:        package java.security.acl;
029:
030:        import java.util.Enumeration;
031:        import java.security.Principal;
032:
033:        /**
034:         * This is the interface used for representing one entry in an Access
035:         * Control List (ACL).<p>
036:         *
037:         * An ACL can be thought of as a data structure with multiple ACL entry
038:         * objects. Each ACL entry object contains a set of permissions associated
039:         * with a particular principal. (A principal represents an entity such as
040:         * an individual user or a group). Additionally, each ACL entry is specified
041:         * as being either positive or negative. If positive, the permissions are
042:         * to be granted to the associated principal. If negative, the permissions
043:         * are to be denied. Each principal can have at most one positive ACL entry
044:         * and one negative entry; that is, multiple positive or negative ACL
045:         * entries are not allowed for any principal.
046:         *
047:         * Note: ACL entries are by default positive. An entry becomes a
048:         * negative entry only if the
049:         * {@link #setNegativePermissions() setNegativePermissions}
050:         * method is called on it.
051:         *
052:         * @see java.security.acl.Acl
053:         *
054:         * @author 	Satish Dharmaraj
055:         */
056:        public interface AclEntry extends Cloneable {
057:
058:            /**
059:             * Specifies the principal for which permissions are granted or denied
060:             * by this ACL entry. If a principal was already set for this ACL entry,
061:             * false is returned, otherwise true is returned.
062:             *
063:             * @param user the principal to be set for this entry.
064:             *
065:             * @return true if the principal is set, false if there was
066:             * already a principal set for this entry.
067:             *
068:             * @see #getPrincipal
069:             */
070:            public boolean setPrincipal(Principal user);
071:
072:            /**
073:             * Returns the principal for which permissions are granted or denied by
074:             * this ACL entry. Returns null if there is no principal set for this
075:             * entry yet.
076:             *
077:             * @return the principal associated with this entry.
078:             *
079:             * @see #setPrincipal
080:             */
081:            public Principal getPrincipal();
082:
083:            /**
084:             * Sets this ACL entry to be a negative one. That is, the associated
085:             * principal (e.g., a user or a group) will be denied the permission set
086:             * specified in the entry.
087:             *
088:             * Note: ACL entries are by default positive. An entry becomes a
089:             * negative entry only if this <code>setNegativePermissions</code>
090:             * method is called on it.
091:             */
092:            public void setNegativePermissions();
093:
094:            /**
095:             * Returns true if this is a negative ACL entry (one denying the
096:             * associated principal the set of permissions in the entry), false
097:             * otherwise.
098:             *
099:             * @return true if this is a negative ACL entry, false if it's not.
100:             */
101:            public boolean isNegative();
102:
103:            /**
104:             * Adds the specified permission to this ACL entry. Note: An entry can
105:             * have multiple permissions.
106:             *
107:             * @param permission the permission to be associated with
108:             * the principal in this entry.
109:             *
110:             * @return true if the permission was added, false if the
111:             * permission was already part of this entry's permission set.
112:             */
113:            public boolean addPermission(Permission permission);
114:
115:            /**
116:             * Removes the specified permission from this ACL entry.
117:             *
118:             * @param permission the permission to be removed from this entry.
119:             *
120:             * @return true if the permission is removed, false if the
121:             * permission was not part of this entry's permission set.
122:             */
123:            public boolean removePermission(Permission permission);
124:
125:            /**
126:             * Checks if the specified permission is part of the
127:             * permission set in this entry.
128:             *
129:             * @param permission the permission to be checked for.
130:             *
131:             * @return true if the permission is part of the
132:             * permission set in this entry, false otherwise.
133:             */
134:            public boolean checkPermission(Permission permission);
135:
136:            /**
137:             * Returns an enumeration of the permissions in this ACL entry.
138:             *
139:             * @return an enumeration of the permissions in this ACL entry.
140:             */
141:            public Enumeration permissions();
142:
143:            /**
144:             * Returns a string representation of the contents of this ACL entry.
145:             *
146:             * @return a string representation of the contents.
147:             */
148:            public String toString();
149:
150:            /**
151:             * Clones this ACL entry.
152:             *
153:             * @return a clone of this ACL entry.
154:             */
155:            public Object clone();
156:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.