Source Code Cross Referenced for PortalServiceImpl.java in  » Content-Management-System » apache-lenya-2.0 » org » apache » cocoon » portal » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.portal.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         * 
009:         *      http://www.apache.org/licenses/LICENSE-2.0
010:         * 
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */
017:        package org.apache.cocoon.portal.impl;
018:
019:        import java.util.ArrayList;
020:        import java.util.HashMap;
021:        import java.util.Iterator;
022:        import java.util.List;
023:        import java.util.Map;
024:
025:        import javax.servlet.ServletConfig;
026:
027:        import org.apache.avalon.framework.activity.Disposable;
028:        import org.apache.avalon.framework.configuration.Configurable;
029:        import org.apache.avalon.framework.configuration.Configuration;
030:        import org.apache.avalon.framework.configuration.ConfigurationException;
031:        import org.apache.avalon.framework.container.ContainerUtil;
032:        import org.apache.avalon.framework.context.Context;
033:        import org.apache.avalon.framework.context.ContextException;
034:        import org.apache.avalon.framework.context.Contextualizable;
035:        import org.apache.avalon.framework.logger.AbstractLogEnabled;
036:        import org.apache.avalon.framework.service.ServiceException;
037:        import org.apache.avalon.framework.service.ServiceManager;
038:        import org.apache.avalon.framework.service.Serviceable;
039:        import org.apache.avalon.framework.thread.ThreadSafe;
040:        import org.apache.cocoon.components.ContextHelper;
041:        import org.apache.cocoon.environment.Request;
042:        import org.apache.cocoon.portal.PortalComponentManager;
043:        import org.apache.cocoon.portal.PortalService;
044:        import org.apache.cocoon.portal.layout.Layout;
045:        import org.apache.cocoon.portal.layout.SkinDescription;
046:        import org.apache.cocoon.servlet.CocoonServlet;
047:
048:        /**
049:         * Default implementation of a portal service using a session to store
050:         * custom information.
051:         * 
052:         * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
053:         * @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
054:         * 
055:         * @version CVS $Id: PortalServiceImpl.java 433543 2006-08-22 06:22:54Z crossley $
056:         */
057:        public class PortalServiceImpl extends AbstractLogEnabled implements 
058:                Serviceable, ThreadSafe, PortalService, Contextualizable,
059:                Disposable, Configurable {
060:
061:            protected Context context;
062:
063:            protected ServiceManager manager;
064:
065:            protected Map portalComponentManagers = new HashMap();
066:
067:            protected Map portalConfigurations = new HashMap();
068:
069:            protected Map skins = new HashMap();
070:
071:            final protected static String KEY = PortalServiceImpl.class
072:                    .getName();
073:
074:            /**
075:             * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
076:             */
077:            public void service(ServiceManager serviceManager)
078:                    throws ServiceException {
079:                this .manager = serviceManager;
080:            }
081:
082:            protected PortalServiceInfo getInfo() {
083:                final Request request = ContextHelper.getRequest(this .context);
084:                PortalServiceInfo info = (PortalServiceInfo) request
085:                        .getAttribute(KEY);
086:                if (info == null) {
087:                    info = new PortalServiceInfo();
088:                    info.setup(ContextHelper.getObjectModel(this .context),
089:                            this .portalComponentManagers);
090:                    request.setAttribute(KEY, info);
091:                }
092:                return info;
093:            }
094:
095:            /**
096:             * @see org.apache.cocoon.portal.PortalService#getPortalName()
097:             */
098:            public String getPortalName() {
099:                return this .getInfo().getPortalName();
100:            }
101:
102:            /**
103:             * @see org.apache.cocoon.portal.PortalService#setPortalName(java.lang.String)
104:             */
105:            public void setPortalName(String value) {
106:                this .getInfo().setPortalName(value);
107:            }
108:
109:            /**
110:             * @see org.apache.cocoon.portal.PortalService#getAttribute(java.lang.String)
111:             */
112:            public Object getAttribute(String key) {
113:                return this .getInfo().getAttribute(key);
114:            }
115:
116:            /**
117:             * @see org.apache.cocoon.portal.PortalService#setAttribute(java.lang.String, java.lang.Object)
118:             */
119:            public void setAttribute(String key, Object value) {
120:                this .getInfo().setAttribute(key, value);
121:            }
122:
123:            /**
124:             * @see org.apache.cocoon.portal.PortalService#removeAttribute(java.lang.String)
125:             */
126:            public void removeAttribute(String key) {
127:                this .getInfo().removeAttribute(key);
128:            }
129:
130:            /**
131:             * @see org.apache.cocoon.portal.PortalService#getAttributeNames()
132:             */
133:            public Iterator getAttributeNames() {
134:                return this .getInfo().getAttributeNames();
135:            }
136:
137:            /**
138:             * @see org.apache.cocoon.portal.PortalService#getTemporaryAttribute(java.lang.String)
139:             */
140:            public Object getTemporaryAttribute(String key) {
141:                return this .getInfo().getTemporaryAttribute(key);
142:            }
143:
144:            /**
145:             * @see org.apache.cocoon.portal.PortalService#setTemporaryAttribute(java.lang.String, java.lang.Object)
146:             */
147:            public void setTemporaryAttribute(String key, Object value) {
148:                this .getInfo().setTemporaryAttribute(key, value);
149:            }
150:
151:            /**
152:             * @see org.apache.cocoon.portal.PortalService#removeTemporaryAttribute(java.lang.String)
153:             */
154:            public void removeTemporaryAttribute(String key) {
155:                this .getInfo().removeTemporaryAttribute(key);
156:            }
157:
158:            /**
159:             * @see org.apache.cocoon.portal.PortalService#getTemporaryAttributeNames()
160:             */
161:            public Iterator getTemporaryAttributeNames() {
162:                return this .getInfo().getTemporaryAttributeNames();
163:            }
164:
165:            /**
166:             * @see org.apache.cocoon.portal.PortalService#getComponentManager()
167:             */
168:            public PortalComponentManager getComponentManager() {
169:                return this .getInfo().getComponentManager();
170:            }
171:
172:            /**
173:             * @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context)
174:             */
175:            public void contextualize(Context context) throws ContextException {
176:                this .context = context;
177:                // add the portal service to the servlet context - if available
178:                try {
179:                    final ServletConfig servletConfig = (ServletConfig) context
180:                            .get(CocoonServlet.CONTEXT_SERVLET_CONFIG);
181:                    servletConfig.getServletContext().setAttribute(
182:                            PortalService.ROLE, this );
183:                } catch (ContextException ignore) {
184:                    // we ignore the context exception
185:                    // this avoids startup errors if the portal is configured for the CLI
186:                    // environment
187:                    this 
188:                            .getLogger()
189:                            .warn(
190:                                    "The portal service is not stored in the servlet config.",
191:                                    ignore);
192:                }
193:            }
194:
195:            /**
196:             * @see org.apache.avalon.framework.activity.Disposable#dispose()
197:             */
198:            public void dispose() {
199:                final Iterator i = this .portalComponentManagers.values()
200:                        .iterator();
201:                while (i.hasNext()) {
202:                    ContainerUtil.dispose(i.next());
203:                }
204:                this .portalComponentManagers.clear();
205:                this .portalConfigurations.clear();
206:                // remove the portal service to the servlet context - if available
207:                try {
208:                    final ServletConfig servletConfig = (ServletConfig) context
209:                            .get(CocoonServlet.CONTEXT_SERVLET_CONFIG);
210:                    servletConfig.getServletContext().removeAttribute(
211:                            PortalService.ROLE);
212:                } catch (ContextException ignore) {
213:                    // we ignore the context exception
214:                }
215:            }
216:
217:            /**
218:             * @see org.apache.avalon.framework.configuration.Configurable#configure(org.apache.avalon.framework.configuration.Configuration)
219:             */
220:            public void configure(Configuration config)
221:                    throws ConfigurationException {
222:                final Configuration[] portals = config.getChild("portals")
223:                        .getChildren("portal");
224:                for (int i = 0; i < portals.length; i++) {
225:                    final Configuration current = portals[i];
226:                    final String name = current.getAttribute("name");
227:                    try {
228:                        PortalComponentManager c = new DefaultPortalComponentManager(
229:                                this , this .context);
230:                        this .portalComponentManagers.put(name, c);
231:                        ContainerUtil.enableLogging(c, this .getLogger());
232:                        ContainerUtil.contextualize(c, this .context);
233:                        ContainerUtil.service(c, this .manager);
234:                        ContainerUtil.configure(c, current);
235:                        ContainerUtil.initialize(c);
236:
237:                        this .portalConfigurations.put(name, current);
238:
239:                        // scan for skins
240:                        final List skinList = new ArrayList();
241:                        this .skins.put(name, skinList);
242:                        final Configuration[] skinConfs = current.getChild(
243:                                "skins").getChildren("skin");
244:                        if (skinConfs != null) {
245:                            for (int s = 0; s < skinConfs.length; s++) {
246:                                final Configuration currentSkin = skinConfs[s];
247:                                final String skinName = currentSkin
248:                                        .getAttribute("name");
249:                                final SkinDescription desc = new SkinDescription();
250:                                desc.setName(skinName);
251:                                desc.setBasePath(currentSkin
252:                                        .getAttribute("base-path"));
253:                                desc.setThumbnailPath(currentSkin.getChild(
254:                                        "thumbnail-path").getValue(null));
255:                                skinList.add(desc);
256:                            }
257:                        }
258:                    } catch (Exception e) {
259:                        throw new ConfigurationException(
260:                                "Unable to setup new portal component manager for portal "
261:                                        + name, e);
262:                    }
263:
264:                }
265:            }
266:
267:            /**
268:             * @see org.apache.cocoon.portal.PortalService#setEntryLayout(java.lang.String, org.apache.cocoon.portal.layout.Layout)
269:             */
270:            public void setEntryLayout(String layoutKey, Layout object) {
271:                if (layoutKey == null) {
272:                    layoutKey = this .getDefaultLayoutKey();
273:                }
274:                if (object == null) {
275:                    this 
276:                            .removeTemporaryAttribute("DEFAULT_LAYOUT:"
277:                                    + layoutKey);
278:                } else {
279:                    this .setTemporaryAttribute("DEFAULT_LAYOUT:" + layoutKey,
280:                            object);
281:                }
282:            }
283:
284:            /**
285:             * @see org.apache.cocoon.portal.PortalService#getEntryLayout(java.lang.String)
286:             */
287:            public Layout getEntryLayout(String layoutKey) {
288:                if (layoutKey == null) {
289:                    layoutKey = this .getDefaultLayoutKey();
290:                }
291:                return (Layout) this .getTemporaryAttribute("DEFAULT_LAYOUT:"
292:                        + layoutKey);
293:            }
294:
295:            /**
296:             * @see org.apache.cocoon.portal.PortalService#setDefaultLayoutKey(java.lang.String)
297:             */
298:            public void setDefaultLayoutKey(String layoutKey) {
299:                if (layoutKey == null) {
300:                    this .removeAttribute("default-layout-key");
301:                } else {
302:                    this .setAttribute("default-layout-key", layoutKey);
303:                }
304:            }
305:
306:            public void setRenderable(Boolean renderable) {
307:                String key = getDefaultLayoutKey();
308:                if (renderable == null) {
309:                    removeTemporaryAttribute("RENDER:" + key);
310:                } else {
311:                    setTemporaryAttribute("RENDER:" + key, renderable);
312:                }
313:            }
314:
315:            public Boolean isRenderable() {
316:                String key = getDefaultLayoutKey();
317:                Boolean bool = (Boolean) getTemporaryAttribute("RENDER:" + key);
318:                if (bool != null) {
319:                    return bool;
320:                }
321:                return Boolean.TRUE;
322:            }
323:
324:            /**
325:             * @see org.apache.cocoon.portal.PortalService#getDefaultLayoutKey()
326:             */
327:            public String getDefaultLayoutKey() {
328:                String key = (String) this .getAttribute("default-layout-key");
329:                if (key == null) {
330:                    Configuration config = (Configuration) this .portalConfigurations
331:                            .get(this .getPortalName());
332:                    key = config.getAttribute("default-layout-key", "portal");
333:                    if (key != null) {
334:                        this .setDefaultLayoutKey(key);
335:                    }
336:                }
337:                return key;
338:            }
339:
340:            /**
341:             * @see org.apache.cocoon.portal.PortalService#getSkinDescriptions()
342:             */
343:            public List getSkinDescriptions() {
344:                return (List) this .skins.get(this .getPortalName());
345:            }
346:
347:            /**
348:             * @see org.apache.cocoon.portal.PortalService#getObjectModel()
349:             */
350:            public Map getObjectModel() {
351:                return ContextHelper.getObjectModel(this.context);
352:            }
353:        }
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