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16 package org.apache.cocoon.portal.impl;
17
18 import java.util.HashMap  ;
19 import java.util.Iterator ;
20 import java.util.Map ;
21
22 import org.apache.avalon.framework.CascadingRuntimeException;
23 import org.apache.avalon.framework.activity.Disposable;
24 import org.apache.avalon.framework.configuration.Configurable;
25 import org.apache.avalon.framework.configuration.Configuration;
26 import org.apache.avalon.framework.configuration.ConfigurationException;
27 import org.apache.avalon.framework.context.Context;
28 import org.apache.avalon.framework.logger.AbstractLogEnabled;
29 import org.apache.avalon.framework.service.ServiceException;
30 import org.apache.avalon.framework.service.ServiceManager;
31 import org.apache.avalon.framework.service.ServiceSelector;
32 import org.apache.avalon.framework.service.Serviceable;
33 import org.apache.avalon.framework.thread.ThreadSafe;
34 import org.apache.cocoon.portal.LinkService;
35 import org.apache.cocoon.portal.PortalComponentManager;
36 import org.apache.cocoon.portal.PortalManager;
37 import org.apache.cocoon.portal.PortalService;
38 import org.apache.cocoon.portal.coplet.CopletFactory;
39 import org.apache.cocoon.portal.event.EventManager;
40 import org.apache.cocoon.portal.layout.LayoutFactory;
41 import org.apache.cocoon.portal.layout.renderer.Renderer;
42 import org.apache.cocoon.portal.profile.ProfileManager;
43
44
55 public class DefaultPortalComponentManager
56 extends AbstractLogEnabled
57 implements PortalComponentManager, Serviceable, Disposable, ThreadSafe, Configurable {
58
59
60 protected ServiceManager manager;
61
62
63 protected final PortalService portalService;
64
65 protected String profileManagerRole;
66 protected ProfileManager profileManager;
67
68 protected String linkServiceRole;
69 protected LinkService linkService;
70
71 protected String rendererSelectorRole;
72 protected ServiceSelector rendererSelector;
73
74 protected Map renderers;
75
76 protected String copletFactoryRole;
77 protected CopletFactory copletFactory;
78
79 protected String layoutFactoryRole;
80 protected LayoutFactory layoutFactory;
81
82 protected String eventManagerRole;
83 protected EventManager eventManager;
84
85 protected String portalManagerRole;
86 protected PortalManager portalManager;
87
88 protected final Context context;
89
90
98 public DefaultPortalComponentManager(final PortalService service, Context context) {
99 this.portalService = service;
100 this.context = context;
101 }
102
103
106 public void service(ServiceManager manager) throws ServiceException {
107 this.manager = manager;
108 }
109
110
113 public LinkService getLinkService() {
114 if ( null == this.linkService ) {
115 try {
116 this.linkService = (LinkService)this.manager.lookup( this.linkServiceRole );
117 } catch (ServiceException e) {
118 throw new CascadingRuntimeException("Unable to lookup link service with role " + this.linkServiceRole, e);
119 }
120 }
121 return this.linkService;
122 }
123
124
127 public ProfileManager getProfileManager() {
128 if ( null == this.profileManager ) {
129 try {
130 this.profileManager = (ProfileManager)this.manager.lookup( this.profileManagerRole );
131 } catch (ServiceException e) {
132 throw new CascadingRuntimeException("Unable to lookup profile manager with role " + this.profileManagerRole, e);
133 }
134 }
135 return this.profileManager;
136 }
137
138
141 public EventManager getEventManager() {
142 if ( null == this.eventManager ) {
143 try {
144 this.eventManager = (EventManager)this.manager.lookup( this.eventManagerRole );
145 } catch (ServiceException e) {
146 throw new CascadingRuntimeException("Unable to lookup event manager with role " + this.eventManagerRole, e);
147 }
148 }
149 return this.eventManager;
150 }
151
152
155 public void dispose() {
156 if (this.manager != null) {
157 if (this.rendererSelector != null) {
158 Iterator i = this.renderers.values().iterator();
159 while (i.hasNext()) {
160 this.rendererSelector.release(i.next());
161 }
162 this.manager.release(this.rendererSelector);
163 this.rendererSelector = null;
164 this.renderers = null;
165 }
166 this.manager.release(this.profileManager);
167 this.profileManager = null;
168 this.manager.release(this.linkService);
169 this.linkService = null;
170 this.manager.release(this.copletFactory);
171 this.copletFactory = null;
172 this.manager.release(this.layoutFactory);
173 this.layoutFactory = null;
174 this.manager.release(this.eventManager);
175 this.eventManager = null;
176 this.manager.release(this.portalManager);
177 this.portalManager = null;
178 this.manager = null;
179 }
180 }
181
182
185 public void configure(Configuration config) throws ConfigurationException {
186 this.profileManagerRole = config.getChild("profile-manager").getValue(ProfileManager.ROLE);
187 this.linkServiceRole = config.getChild("link-service").getValue(LinkService.ROLE);
188 this.rendererSelectorRole = config.getChild("renderer-selector").getValue(Renderer.ROLE+"Selector");
189 this.copletFactoryRole = config.getChild("coplet-factory").getValue(CopletFactory.ROLE);
190 this.layoutFactoryRole = config.getChild("layout-factory").getValue(LayoutFactory.ROLE);
191 this.eventManagerRole = config.getChild("event-manager").getValue(EventManager.ROLE);
192 this.portalManagerRole = config.getChild("portal-manager").getValue(PortalManager.ROLE);
193 }
194
195
198 public Renderer getRenderer(String hint) {
199 if ( rendererSelector == null ) {
200 try {
201 this.rendererSelector = (ServiceSelector)this.manager.lookup( this.rendererSelectorRole );
202 } catch (ServiceException e) {
203 throw new CascadingRuntimeException("Unable to lookup renderer selector with role " + this.rendererSelectorRole, e);
204 }
205 this.renderers = new HashMap ();
206 }
207 Renderer o = (Renderer) this.renderers.get( hint );
208 if ( o == null ) {
209 try {
210 o = (Renderer) this.rendererSelector.select( hint );
211 this.renderers.put( hint, o );
212 } catch (ServiceException e) {
213 throw new CascadingRuntimeException("Unable to lookup renderer with hint " + hint, e);
214 }
215 }
216 return o;
217 }
218
219
222 public CopletFactory getCopletFactory() {
223 if ( null == this.copletFactory ) {
224 try {
225 this.copletFactory = (CopletFactory)this.manager.lookup( this.copletFactoryRole);
226 } catch (ServiceException e) {
227 throw new CascadingRuntimeException("Unable to lookup coplet factory with role " + this.copletFactoryRole, e);
228 }
229 }
230 return this.copletFactory;
231 }
232
233
236 public LayoutFactory getLayoutFactory() {
237 if ( null == this.layoutFactory ) {
238 try {
239 this.layoutFactory = (LayoutFactory)this.manager.lookup( this.layoutFactoryRole);
240 } catch (ServiceException e) {
241 throw new CascadingRuntimeException("Unable to lookup layout factory with role " + this.layoutFactoryRole, e);
242 }
243 }
244 return this.layoutFactory;
245 }
246
247
248
251 public PortalManager getPortalManager() {
252 if ( null == this.portalManager ) {
253 try {
254 this.portalManager = (PortalManager)this.manager.lookup( this.portalManagerRole);
255 } catch (ServiceException e) {
256 throw new CascadingRuntimeException("Unable to lookup portal manager with role " + this.portalManagerRole, e);
257 }
258 }
259 return this.portalManager;
260 }
261
262
265 public Context getComponentContext() {
266 return this.context;
267 }
268 }
269 |
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