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org.apache.jetspeed.engine.core.PortalContextProviderImpl	0%	0%

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.engine.core;
18
19		import java.util.ArrayList;
20		import java.util.Collection;
21		import java.util.Enumeration;
22		import java.util.Iterator;
23		import java.util.Vector;
24
25		import org.apache.jetspeed.PortalContext;
26		import org.apache.pluto.services.information.PortalContextProvider;
27
28		/**
29		* Provide information about the calling portal.
30		*
31		* @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
32		* @version $Id: PortalContextProviderImpl.java 553375 2007-07-05 05:37:00Z taylor $
33		*/
34		public class PortalContextProviderImpl
35		implements PortalContextProvider
36		{
37		private final PortalContext portalContext;
38		/** Portal information */
39
40		private String info;
41		private final String portalName;
42		private final String portalVersion;
43
44		/** supported portlet modes by this portal */
45		private Vector modes;
46
47		/** supported window states by this portal */
48		private Vector states;
49
50		public PortalContextProviderImpl(PortalContext portalContext)
51	0	{
52	0	this.portalContext = portalContext;
53
54	0	modes = getDefaultModes();
55
56		// these are the minimum states that the portal needs to support
57
58	0	states = getDefaultStates();
59
60		// set info
61	0	portalName = this.portalContext.getConfiguration().getString("portal.name");
62	0	portalVersion = this.portalContext.getConfiguration().getString("portal.version");
63	0	info = portalName + "/" + portalVersion;
64
65	0	}
66
67		/* (non-Javadoc)
68		* @see org.apache.pluto.services.information.PortalContextProvider#getPortalContext()
69		*/
70		public PortalContext getPortalContext()
71		{
72	0	return portalContext;
73		}
74
75		/**
76		* <p>
77		* getPortalInfo
78		* </p>
79		*
80		* @see org.apache.pluto.services.information.PortalContextProvider#getPortalInfo()
81		* @return
82		*/
83		public String getPortalInfo()
84		{
85	0	return info;
86		}
87
88		/**
89		* <p>
90		* getProperty
91		* </p>
92		*
93		* @see org.apache.pluto.services.information.PortalContextProvider#getProperty(java.lang.String)
94		* @param name
95		* @return
96		*/
97		public String getProperty(String name)
98		{
99	0	return portalContext.getProperty(name);
100		}
101
102		/**
103		* <p>
104		* getPropertyNames
105		* </p>
106		*
107		* @see org.apache.pluto.services.information.PortalContextProvider#getPropertyNames()
108		* @return
109		*/
110		public Collection getPropertyNames()
111		{
112	0	Iterator itr = portalContext.getConfiguration().getKeys();
113	0	ArrayList names = new ArrayList();
114	0	while(itr.hasNext())
115		{
116	0	names.add(itr.next());
117		}
118	0	return names;
119		}
120
121		/**
122		* <p>
123		* getSupportedPortletModes
124		* </p>
125		*
126		* @see org.apache.pluto.services.information.PortalContextProvider#getSupportedPortletModes()
127		* @return
128		*/
129		public Collection getSupportedPortletModes()
130		{
131	0	return modes;
132		}
133
134		/**
135		* <p>
136		* getSupportedWindowStates
137		* </p>
138		*
139		* @see org.apache.pluto.services.information.PortalContextProvider#getSupportedWindowStates()
140		* @return
141		*/
142		public Collection getSupportedWindowStates()
143		{
144	0	return states;
145		}
146
147		private Vector getDefaultModes()
148		{
149	0	Vector m = new Vector();
150	0	Enumeration supportedPortletModes = portalContext.getSupportedPortletModes();
151	0	while(supportedPortletModes.hasMoreElements())
152		{
153	0	m.add(supportedPortletModes.nextElement());
154		}
155
156	0	return m;
157		}
158
159		private Vector getDefaultStates()
160		{
161	0	Vector s = new Vector();
162	0	Enumeration supportedWindowStates = portalContext.getSupportedWindowStates();
163	0	while(supportedWindowStates.hasMoreElements())
164		{
165	0	s.add(supportedWindowStates.nextElement());
166		}
167
168	0	return s;
169		}
170
171		public void setProperty(String name, String value)
172		{
173	0	if (name == null)
174		{
175	0	throw new IllegalArgumentException("Property name == null");
176		}
177	0	portalContext.getConfiguration().setString(name, value);
178	0	}
179
180		// expects enumeration of PortletMode objects
181
182		public void setSupportedPortletModes(Enumeration portletModes)
183		{
184	0	Vector v = new Vector();
185
186	0	while (portletModes.hasMoreElements())
187		{
188	0	v.add(portletModes.nextElement());
189		}
190
191	0	modes = v;
192	0	}
193
194
195
196		// expects enumeration of WindowState objects
197
198		public void setSupportedWindowStates(Enumeration windowStates)
199		{
200	0	Vector v = new Vector();
201	0	while (windowStates.hasMoreElements())
202		{
203	0	v.add(windowStates.nextElement());
204		}
205
206	0	states = v;
207	0	}
208
209
210
211		/**
212		* reset all values to default portlet modes and window states;
213		* delete all properties and set the given portlet information
214		* as portlet info string.
215		*
216		* @param
217		* @param portalInfo portal information string that will be returned
218		* by the <code>getPortalInfo</code> call.
219		*/
220		public void reset(String portalInfo)
221
222		{
223	0	info = new String(portalInfo);
224
225		// these are the minimum modes that the portal needs to support
226	0	modes = getDefaultModes();
227
228		// these are the minimum states that the portal needs to support
229	0	states = getDefaultStates();
230
231		//properties.clear();
232	0	}
233
234		}

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