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1
7
8 package org.jboss.portal.server.impl;
9
10 import org.apache.log4j.Logger;
11 import org.jboss.portal.server.ServerRegistrationID;
12 import org.jboss.portal.server.ThemeServer;
13 import org.jboss.portal.server.metadata.ThemeRegistrationMetaData;
14 import org.jboss.portal.server.theme.PortalTheme;
15 import org.jboss.portal.server.theme.ThemeException;
16 import org.jboss.system.Service;
17
18 import java.util.ArrayList  ;
19 import java.util.Collection ;
20 import java.util.Collections ;
21 import java.util.HashMap ;
22 import java.util.Iterator ;
23 import java.util.List ;
24 import java.util.Map ;
25
26
34 public class ThemeServerImpl implements ThemeServer, Service
35 {
36 private static Logger log = Logger.getLogger(ThemeServerImpl.class);
37 private Map themes;
38 private Map themeNames;
39 private String defaultName;
40
41 public ThemeServerImpl()
42 {
43 log.debug("ThemeServerImpl instantiated.");
44 }
45
46
50 public void create() throws Exception
51 {
52 log.debug("create ThemeServerImpl ....");
53 themes = Collections.synchronizedMap(new HashMap ());
54 themeNames = Collections.synchronizedMap(new HashMap ());
55 }
56
57
60 public void destroy()
61 {
62 log.debug("destroy ThemeServerImpl ....");
63 themes.clear();
64 themeNames.clear();
65 }
66
67
71 public void start() throws Exception
72 {
73 log.debug("start ThemeServerImpl ....");
74 }
75
76
79 public void stop()
80 {
81 log.debug("stop ThemeServerImpl ....");
82 }
83
84 public void addTheme(ThemeRegistrationMetaData metaData) throws ThemeException
85 {
86 log.debug("add theme: " + metaData);
87
88 if (themes == null)
90 {
91 try
92 {
93 create();
94 }
95 catch (Exception e)
96 {
97 throw new ThemeException(e);
98 }
99 }
100
101 if (ServerRegistrationID.TYPE_THEME.equals(metaData.getRegistrationID().getType()))
102 {
103 PortalTheme theme = (PortalTheme)metaData;
104 themeNames.put(theme.getName(), metaData.getRegistrationID());
105 themes.put(metaData.getRegistrationID(), theme);
106 }
107 else
108 {
109 throw new ThemeException("wrong meta data type: " + metaData.getRegistrationID().getType());
110 }
111 }
112
113 public void removeTheme(String name)
114 {
115 log.debug("remove theme: " + name);
116
117 if (name == null || "".equals(name))
118 {
119 throw new IllegalArgumentException ("theme name not provided");
120 }
121 ServerRegistrationID themeID = (ServerRegistrationID)themeNames.get(name);
122 removeTheme(themeID);
123 }
124
125 public void removeTheme(ServerRegistrationID themeID)
126 {
127 if (themes.containsKey(themeID))
128 {
129 PortalTheme theme = (PortalTheme)themes.get(themeID);
130 log.debug("remove theme " + themeID + ": " + theme.getName());
131 themeNames.remove(theme.getName());
132 themes.remove(themeID);
133
134 if (defaultName != null && defaultName.equals(theme.getName()))
136 {
137 log.debug("removed default theme; need to set a new default...");
138 Iterator keySet = themes.keySet().iterator();
139 if (keySet.hasNext())
140 {
141
142 ServerRegistrationID id = (ServerRegistrationID)keySet.next();
143 defaultName = ((PortalTheme)themes.get(id)).getName();
144 log.debug("set new default to " + defaultName);
145 }
146 }
147 }
148 }
149
150
157 public void removeThemes(String appName)
158 {
159 List themesToDelete = new ArrayList ();
161
162 for (Iterator allThemes = themes.keySet().iterator(); allThemes.hasNext();)
164 {
165 PortalTheme theme = (PortalTheme)themes.get(allThemes.next());
166 if (theme.getAppName().equals(appName))
167 {
168 themesToDelete.add(theme);
169 }
170 }
171
172 for (Iterator toDelete = themesToDelete.iterator(); toDelete.hasNext();)
174 {
175 PortalTheme t = (PortalTheme)toDelete.next();
176 removeTheme((ServerRegistrationID)themeNames.get(t.getName()));
177 }
178 }
179
180 public void setDefault(ServerRegistrationID themeID) throws ThemeException
181 {
182 log.debug("set default theme " + themeID);
183 if (themes.keySet().contains(themeID))
184 {
185 defaultName = ((PortalTheme)themes.get(themeID)).getName();
186 log.debug("set new default theme to " + defaultName);
187 return;
188 }
189 throw new ThemeException("Theme with name [" + themeID + "] does not exist");
190 }
191
192
198 public void setDefault(String name) throws ThemeException
199 {
200 log.debug("set default theme " + name);
201 if (themeNames.keySet().contains(name))
202 {
203 defaultName = name;
204 return;
205 }
206 throw new ThemeException("Theme with name [" + name + "] does not exist");
207 }
208
209 public PortalTheme getTheme(ServerRegistrationID themeID, boolean defaultOnNull)
210 {
211 log.debug("get theme " + themeID);
212 if (themeID == null)
213 {
214 throw new IllegalArgumentException ("Theme ID must not be null");
215 }
216
217 if (!themes.keySet().contains(themeID) && defaultOnNull && defaultName != null)
218 {
219 return (PortalTheme)themes.get(themeNames.get(defaultName));
220 }
221
222 return (PortalTheme)themes.get(themeID);
223 }
224
225
234 public PortalTheme getTheme(String name, boolean defaultOnNull)
235 {
236 log.debug("get theme " + name);
237 if (name == null || "".equals(name))
238 {
239 throw new IllegalArgumentException ("Name cannot be null or empty");
240 }
241
242 if (themeNames.keySet().contains(name))
243 {
244 log.debug("found theme " + name);
245 return (PortalTheme)themes.get(themeNames.get(name));
246 }
247 else if (defaultOnNull && defaultName != null)
248 {
249 log.debug("returning default theme " + defaultName);
250 return (PortalTheme)themes.get(themeNames.get(defaultName));
251 }
252
253 log.warn("Theme with name [" + name + "] not found");
254
255 return null;
256 }
257
258 public Collection getThemes()
259 {
260 return Collections.unmodifiableCollection(themes.values());
261 }
262
263 public Collection getThemeNames()
264 {
265 return Collections.unmodifiableCollection(themeNames.keySet());
266 }
267 }
268 |
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