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1   /**
2    * This file Copyright (c) 2003-2011 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.context;
35  
36  import info.magnolia.cms.core.HierarchyManager;
37  import info.magnolia.cms.core.search.QueryManager;
38  import info.magnolia.cms.i18n.Messages;
39  import info.magnolia.cms.security.AccessManager;
40  import info.magnolia.cms.security.User;
41  
42  import java.util.Locale;
43  import java.util.Map;
44  
45  import javax.jcr.LoginException;
46  import javax.jcr.RepositoryException;
47  import javax.jcr.Session;
48  import javax.security.auth.Subject;
49  
50  
51  /**
52   * This interface defines all the methods which should be implemented by any configured magnolia context. Implementing
53   * class should never be accessible directly but only via MgnlContext static methods which work on a local (Thread) copy
54   * of the implementation.
55   * @author Sameer Charles
56   * @version $Revision $ ($Author $)
57   */
58  public interface Context extends org.apache.commons.chain.Context {
59  
60      /**
61       * Attribute visibility scope.
62       */
63      public static final int LOCAL_SCOPE = 1;
64  
65      /**
66       * Attribute visibility scope Shared by all requests from this session.
67       */
68      public static final int SESSION_SCOPE = 2;
69  
70      /**
71       * Attribute visibility scope, its visible to all sessions of this application.
72       */
73      public static final int APPLICATION_SCOPE = 3;
74  
75      final static public String ATTRIBUTE_REPOSITORY = "repository";
76  
77      final static public String ATTRIBUTE_PATH = "path";
78  
79      final static public String ATTRIBUTE_VERSION = "version";
80  
81      final static public String ATTRIBUTE_VERSION_MAP = "versionMap";
82  
83      final static public String ATTRIBUTE_UUID = "uuid";
84  
85      final static public String ATTRIBUTE_RECURSIVE = "recursive";
86  
87      public static final String ATTRIBUTE_COMMENT = "comment";
88  
89      public static final String ATTRIBUTE_MESSAGE = "msg";
90  
91      public static final String ATTRIBUTE_EXCEPTION = "exception";
92  
93      /**
94       * If this is not a UserContext this method will very likely return the system user.
95       */
96      public User getUser();
97  
98      public Subject getSubject();
99  
100     /**
101      * @param locale
102      */
103     public void setLocale(Locale locale);
104 
105     /**
106      * Get the current locale.
107      */
108     public Locale getLocale();
109 
110     public Session getJCRSession(String workspaceName) throws LoginException, RepositoryException ;
111 
112     /**
113      * Get hierarchy manager initialized for this user.
114      * @param workspaceName
115      * @return hierarchy manager
116      *
117      * @deprecated since 4.5 - use {@link #getJCRSession(String)}
118      */
119     @Deprecated
120     public HierarchyManager getHierarchyManager(String workspaceName);
121 
122     /**
123      * Get a an {@link info.magnolia.cms.security.AccessManager} for logical entities. The accesses to the repository are handled by the repository itself.
124      */
125     public AccessManager getAccessManager(String name);
126 
127     /**
128      * Get QueryManager created for this user on the specified repository.
129      * @deprecated since 4.5 - use {@link #getJCRSession(String)} and acquire the JCR query manager directly from the session.
130      */
131     @Deprecated
132     public QueryManager getQueryManager(String workspaceName);
133 
134     /**
135      * Set attribute value, scope of the attribute is defined.
136      * @param name is used as a key
137      * @param scope , highest level of scope from which this attribute is visible
138      */
139     public void setAttribute(String name, Object value, int scope);
140 
141     /**
142      * Get attribute value.
143      * @param name to which value is associated to
144      * @param scope the scope (request, session, application)
145      * @return attribute value
146      */
147     public <T> T getAttribute(String name, int scope);
148 
149     /**
150      * Get attribute value without passing a scope. the scopes are searched from bottom up (request, session,
151      * application)
152      * @param name to which value is associated to
153      * @return attribute value
154      */
155     public <T> T getAttribute(String name);
156 
157     /**
158      * Get a map of a attributes set in the scope.
159      * @param scope
160      * @return the map
161      */
162     public Map<String, Object> getAttributes(int scope);
163 
164     /**
165      * Remove an attribute.
166      * @param name
167      * @param scope
168      */
169     public void removeAttribute(String name, int scope);
170 
171     /**
172      * Get an over all map.
173      * @return the map
174      */
175     public Map<String, Object> getAttributes();
176 
177     /**
178      * Get the default messages. It uses the locale set on this context
179      * TODO: This duplicates methods from MessagesManager : remove either
180      */
181     public Messages getMessages();
182 
183     /**
184      * Get the messages of the named bundle. It uses the locale set on this context
185      * @param basename name of the bundle
186      * TODO: This duplicates methods from MessagesManager : remove either
187      */
188     public Messages getMessages(String basename);
189 
190     /**
191      * Release any resource used by this Context (e.g. jcr sessions).
192      */
193     public void release();
194 
195 }