Source Code Cross Referenced for ItsNatServletImpl.java in  » Ajax » ItsNat » org » itsnat » impl » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » ItsNat » org.itsnat.impl.core 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:          ItsNat Java Web Application Framework
003:          Copyright (C) 2007 Innowhere Software Services S.L., Spanish Company
004:          Author: Jose Maria Arranz Santamaria
005:
006:          This program is free software: you can redistribute it and/or modify
007:          it under the terms of the GNU Affero General Public License as published by
008:          the Free Software Foundation, either version 3 of the License, or
009:          (at your option) any later version. See the GNU Affero General Public 
010:          License for more details. See the copy of the GNU Affero General Public License
011:          included in this program. If not, see <http://www.gnu.org/licenses/>.
012:         */
013:
014:        package org.itsnat.impl.core;
015:
016:        import org.itsnat.core.DocFragmentTemplate;
017:        import org.itsnat.core.ItsNat;
018:        import org.itsnat.core.event.ItsNatServletRequestListener;
019:        import org.itsnat.core.ItsNatServlet;
020:        import org.itsnat.core.ItsNatServletConfig;
021:        import org.itsnat.core.DocumentTemplate;
022:        import org.itsnat.core.event.RemoteControlEventListener;
023:        import java.util.Collections;
024:        import java.util.HashMap;
025:        import java.util.Iterator;
026:        import java.util.LinkedList;
027:        import java.util.Map;
028:        import javax.servlet.Servlet;
029:        import org.itsnat.comp.CreateItsNatComponentListener;
030:        import org.itsnat.core.ItsNatException;
031:        import org.itsnat.core.ItsNatServletContext;
032:        import org.itsnat.impl.core.html.HTMLDocFragmentTemplateImpl;
033:        import org.itsnat.impl.core.html.HTMLDocumentTemplateImpl;
034:        import org.itsnat.impl.core.http.ItsNatImpl;
035:        import org.itsnat.impl.core.util.UniqueIdGenerator;
036:        import org.itsnat.impl.core.xml.XMLDocFragmentTemplateImpl;
037:        import org.itsnat.impl.core.xml.XMLDocumentTemplateImpl;
038:
039:        /**
040:         *
041:         * @author jmarranz
042:         */
043:        public abstract class ItsNatServletImpl extends ItsNatUserDataImpl
044:                implements  ItsNatServlet {
045:            protected ItsNatImpl parent;
046:            protected Servlet servlet;
047:            protected UniqueIdGenerator idGenerator = new UniqueIdGenerator();
048:            protected Map pages = Collections.synchronizedMap(new HashMap());
049:            protected Map fragments = Collections
050:                    .synchronizedMap(new HashMap());
051:            protected LinkedList requestListeners;
052:            protected LinkedList remControlListeners;
053:            protected LinkedList createCompListeners;
054:            protected ItsNatServletConfigImpl servletConfig;
055:
056:            /**
057:             * Creates a new instance of ItsNatServletImpl
058:             */
059:            public ItsNatServletImpl(ItsNatImpl parent, Servlet servlet) {
060:                super (true);
061:
062:                this .parent = parent;
063:                this .servlet = servlet;
064:
065:                this .servletConfig = createItsNatServletConfig();
066:            }
067:
068:            public ItsNatServletConfigImpl createItsNatServletConfig() {
069:                return new ItsNatServletConfigImpl(servlet.getServletConfig(),
070:                        this );
071:            }
072:
073:            public ItsNatServletContext getItsNatServletContext() {
074:                return servletConfig.getItsNatServletContext();
075:            }
076:
077:            public String generateUniqueId() {
078:                return idGenerator.generateUniqueId();
079:            }
080:
081:            public ItsNat getItsNat() {
082:                return getItsNatImpl();
083:            }
084:
085:            public ItsNatImpl getItsNatImpl() {
086:                return parent;
087:            }
088:
089:            public Servlet getServlet() {
090:                return servlet;
091:            }
092:
093:            public ItsNatServletConfig getItsNatServletConfig() {
094:                return servletConfig;
095:            }
096:
097:            public ItsNatServletConfigImpl getItsNatServletConfigImpl() {
098:                return servletConfig;
099:            }
100:
101:            public DocumentTemplate registerDocumentTemplate(String name,
102:                    String mime, String path) {
103:                DocumentTemplateImpl docTemplate = createDocumentTemplate(name,
104:                        mime, path);
105:                pages.put(name, docTemplate);
106:                return docTemplate;
107:            }
108:
109:            public DocumentTemplateImpl createDocumentTemplate(String name,
110:                    String mime, String path) {
111:                if (DocumentTemplateImpl.isHTMLorXHTML(mime))
112:                    return createHTMLDocumentTemplate(name, mime, path);
113:                else
114:                    return createXMLDocumentTemplate(name, mime, path);
115:            }
116:
117:            public HTMLDocumentTemplateImpl createHTMLDocumentTemplate(
118:                    String name, String mime, String path) {
119:                return new HTMLDocumentTemplateImpl(name, mime, path, this );
120:            }
121:
122:            public XMLDocumentTemplateImpl createXMLDocumentTemplate(
123:                    String name, String mime, String path) {
124:                return new XMLDocumentTemplateImpl(name, mime, path, this );
125:            }
126:
127:            public DocumentTemplate getDocumentTemplate(String name) {
128:                return getDocumentTemplateImpl(name);
129:            }
130:
131:            public DocumentTemplateImpl getDocumentTemplateImpl(String name) {
132:                return (DocumentTemplateImpl) pages.get(name);
133:            }
134:
135:            public DocFragmentTemplate registerDocFragmentTemplate(String name,
136:                    String mime, String path) {
137:                DocFragmentTemplateImpl fragmentDesc = createDocFragmentTemplate(
138:                        name, mime, path);
139:                fragments.put(name, fragmentDesc);
140:                return fragmentDesc;
141:            }
142:
143:            public DocFragmentTemplateImpl createDocFragmentTemplate(
144:                    String name, String mime, String path) {
145:                if (DocFragmentTemplateImpl.isHTMLorXHTML(mime))
146:                    return createHTMLDocFragmentTemplate(name, mime, path);
147:                else
148:                    return createXMLDocFragmentTemplate(name, mime, path);
149:            }
150:
151:            public HTMLDocFragmentTemplateImpl createHTMLDocFragmentTemplate(
152:                    String name, String mime, String path) {
153:                return new HTMLDocFragmentTemplateImpl(name, mime, path, this );
154:            }
155:
156:            public XMLDocFragmentTemplateImpl createXMLDocFragmentTemplate(
157:                    String name, String mime, String path) {
158:                return new XMLDocFragmentTemplateImpl(name, mime, path, this );
159:            }
160:
161:            public DocFragmentTemplate getDocFragmentTemplate(String name) {
162:                return getDocFragmentTemplateImpl(name);
163:            }
164:
165:            public DocFragmentTemplateImpl getDocFragmentTemplateImpl(
166:                    String name) {
167:                return (DocFragmentTemplateImpl) fragments.get(name);
168:            }
169:
170:            public void checkIsAlreadyUsed() {
171:                // Si no hay fragmentos registrados no puede haber documentos cargados por usuarios
172:                if (!fragments.isEmpty())
173:                    throw new ItsNatException(
174:                            "Servlet is frozen because some fragment was already registered");
175:            }
176:
177:            public LinkedList getItsNatServletRequestListenerList() {
178:                if (requestListeners == null)
179:                    this .requestListeners = new LinkedList();
180:                return requestListeners;
181:            }
182:
183:            public Iterator getItsNatServletRequestListenerIterator() {
184:                // No sincronizamos porque sólo admitimos sólo lectura
185:                if (requestListeners == null)
186:                    return null;
187:                if (requestListeners.isEmpty())
188:                    return null;
189:                return requestListeners.iterator();
190:            }
191:
192:            public void addItsNatServletRequestListener(
193:                    ItsNatServletRequestListener listener) {
194:                checkIsAlreadyUsed(); // Así evitamos sincronizar la lista pues si es sólo lectura admite múltiples hilos 
195:
196:                LinkedList requestListeners = getItsNatServletRequestListenerList();
197:                requestListeners.add(listener);
198:            }
199:
200:            public void removeItsNatServletRequestListener(
201:                    ItsNatServletRequestListener listener) {
202:                checkIsAlreadyUsed(); // Así evitamos sincronizar la lista pues si es sólo lectura admite múltiples hilos                 
203:
204:                LinkedList requestListeners = getItsNatServletRequestListenerList();
205:                requestListeners.remove(listener);
206:            }
207:
208:            public LinkedList getRemoteControlEventListenerList() {
209:                if (remControlListeners == null)
210:                    this .remControlListeners = new LinkedList();
211:                return remControlListeners;
212:            }
213:
214:            public Iterator getRemoteControlEventListenerIterator() {
215:                // No sincronizamos porque sólo admitimos sólo lectura
216:                if (remControlListeners == null)
217:                    return null;
218:                if (remControlListeners.isEmpty())
219:                    return null;
220:                return remControlListeners.iterator();
221:            }
222:
223:            public void addRemoteControlEventListener(
224:                    RemoteControlEventListener listener) {
225:                checkIsAlreadyUsed(); // Así evitamos sincronizar la lista pues si es sólo lectura admite múltiples hilos 
226:
227:                LinkedList remControlListeners = getRemoteControlEventListenerList();
228:                remControlListeners.add(listener);
229:            }
230:
231:            public void removeRemoteControlEventListener(
232:                    RemoteControlEventListener listener) {
233:                checkIsAlreadyUsed(); // Así evitamos sincronizar la lista pues si es sólo lectura admite múltiples hilos                 
234:
235:                LinkedList remControlListeners = getRemoteControlEventListenerList();
236:                remControlListeners.remove(listener);
237:            }
238:
239:            public LinkedList getCreateItsNatComponentList() {
240:                if (createCompListeners == null)
241:                    this .createCompListeners = new LinkedList(); // Sólo se crea si se necesita
242:                return createCompListeners;
243:            }
244:
245:            public Iterator getCreateItsNatComponentListenerIterator() {
246:                if (createCompListeners == null)
247:                    return null;
248:                if (createCompListeners.isEmpty())
249:                    return null;
250:                return createCompListeners.iterator();
251:            }
252:
253:            public void addCreateItsNatComponentListener(
254:                    CreateItsNatComponentListener listener) {
255:                checkIsAlreadyUsed(); // Así evitamos sincronizar la lista pues si es sólo lectura admite múltiples hilos                 
256:
257:                LinkedList list = getCreateItsNatComponentList();
258:                list.add(listener);
259:            }
260:
261:            public void removeCreateItsNatComponentListener(
262:                    CreateItsNatComponentListener listener) {
263:                checkIsAlreadyUsed(); // Así evitamos sincronizar la lista pues si es sólo lectura admite múltiples hilos                 
264:
265:                LinkedList list = getCreateItsNatComponentList();
266:                list.remove(listener);
267:            }
268:        }
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