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org.apache.jetspeed.decoration.PageActionAccess$1	100%	�%

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one or more
3		* contributor license agreements. See the NOTICE file distributed with
4		* this work for additional information regarding copyright ownership.
5		* The ASF licenses this file to You under the Apache License, Version 2.0
6		* (the "License"); you may not use this file except in compliance with
7		* the License. You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17		package org.apache.jetspeed.decoration;
18
19		import java.io.Serializable;
20		import java.util.HashMap;
21
22		import javax.portlet.PortletMode;
23		import javax.portlet.WindowState;
24
25		import org.apache.commons.logging.Log;
26		import org.apache.commons.logging.LogFactory;
27		import org.apache.jetspeed.JetspeedActions;
28		import org.apache.jetspeed.om.page.Page;
29
30		/**
31		* PageActionAccess
32		*
33		* @author <a href="mailto:ate@douma.nu">Ate Douma</a>
34		* @version $Id: PageActionAccess.java 516448 2007-03-09 16:25:47Z ate $
35		*/
36		public class PageActionAccess implements PageEditAccess, Serializable
37		{
38		protected static final Log log = LogFactory.getLog(PageActionAccess.class);
39
40		private static final class ActionAccess implements Serializable
41		{
42		int checkedFlags;
43		int actionFlags;
44		}
45
46		private boolean anonymous;
47		private boolean editAllowed;
48		private boolean editing;
49		private HashMap fragmentActionAccess;
50
51		public PageActionAccess(boolean anonymous, Page page)
52		{
53		this.anonymous = anonymous;
54		this.editAllowed = checkEditPage(page);
55		this.fragmentActionAccess = new HashMap();
56		}
57
58		public void checkReset(boolean anonymous, Page page)
59		{
60		if (this.anonymous != anonymous)
61		{
62		this.anonymous = anonymous;
63		this.editAllowed = checkEditPage(page);
64		this.fragmentActionAccess.clear();
65		this.editing = false;
66		}
67		}
68
69		public boolean isAnonymous()
70		{
71		return anonymous;
72		}
73
74		public boolean isEditAllowed()
75		{
76		return editAllowed;
77		}
78
79		public boolean isEditing()
80		{
81		return editing;
82		}
83
84		public void setEditing(boolean editing)
85		{
86		if ( editing && ! editAllowed )
87		{
88		throw new SecurityException();
89		}
90		this.editing = editing;
91		}
92
93		public boolean checkPortletMode(String fragmentId, String portletName, PortletMode mode)
94		{
95		return checkActionAccess(fragmentId, portletName, mode.toString());
96		}
97
98		public boolean checkWindowState(String fragmentId, String portletName, WindowState state)
99		{
100		return checkActionAccess(fragmentId, portletName, state.toString());
101		}
102
103		protected synchronized boolean checkActionAccess(String fragmentId, String portletName, String action)
104		{
105		try
106		{
107		int actionIndex = JetspeedActions.getContainerActionMask(action);
108		ActionAccess actionAccess = (ActionAccess)fragmentActionAccess.get(fragmentId);
109		if ( actionAccess == null )
110		{
111		actionAccess = new ActionAccess();
112		fragmentActionAccess.put(fragmentId, actionAccess);
113		}
114		if ( (actionAccess.checkedFlags & actionIndex) != actionIndex )
115		{
116		// TODO: not handling PortletPermission checks yet
117		// boolean access = checkPermission(portletName, action);
118		boolean access = true;
119
120		if ( access )
121		{
122		actionAccess.actionFlags |= actionIndex;
123		}
124		actionAccess.checkedFlags |= actionIndex;
125		}
126		return ((actionAccess.actionFlags & actionIndex) == actionIndex);
127		}
128		catch (IndexOutOfBoundsException e)
129		{
130		log.error("Unknown action: "+action, e);
131		return false;
132		}
133		}
134
135		protected boolean checkEditPage(Page page)
136		{
137		boolean allowed = false;
138		try
139		{
140		page.checkAccess(JetspeedActions.EDIT);
141		allowed = true;
142		}
143		catch (SecurityException se) {}
144		return allowed;
145		}
146		}

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