|
1
5 package org.exoplatform.portlet.faces.context;
6
7
8 import javax.faces.FactoryFinder;
9 import javax.faces.render.* ;
10 import javax.faces.application.* ;
11 import javax.faces.context.ExternalContext;
12 import javax.faces.context.FacesContext;
13 import javax.faces.context.ResponseStream;
14 import javax.faces.context.ResponseWriter;
15 import javax.faces.event.FacesEvent;
16 import javax.faces.component.UIViewRoot ;
17 import javax.portlet.RenderRequest;
18 import javax.portlet.RenderResponse;
19 import org.exoplatform.faces.context.HtmlResponseWriter;
20 import org.exoplatform.faces.context.PortletFacesContext;
21 import org.exoplatform.portlet.faces.application.PortletFacesData;
22
23 import java.util.* ;
24 import java.io.PrintWriter  ;
25 import java.io.IOException ;
26
32 public class FacesPortletContextImpl extends FacesContext implements PortletFacesContext {
33
34 private ExternalContext externalContext_;
35 private Locale locale_ = null;
36 private UIViewRoot viewRoot_ = null;
37 private List p_facesEvents = null;
38 private Map facesMessages_ = null;
39 private int p_maximumSeverity = 0;
40 private ResponseStream responseStream_ = null;
41 private ResponseWriter responseWriter_ = null;
42 private boolean renderResponse_ = false;
43 private boolean responseComplete_ = false;
44 private Application application_ ;
45 private boolean renderPhase_ ;
46
47 private FacesContext portalFacesContext;
48
49 public FacesPortletContextImpl() { throw new UnsupportedOperationException (); }
50
51 public FacesPortletContextImpl(Object config, Object request, Object response ) throws IOException {
52 this.portalFacesContext = FacesContext.getCurrentInstance();
53 renderPhase_ = false ;
54 if ( request instanceof RenderRequest ) {
55 RenderResponse rr = (RenderResponse) response ;
56 PrintWriter writer = rr.getWriter() ;
57
65 renderPhase_ = true ;
66 responseWriter_ = new HtmlResponseWriter(writer) ;
67 }
68 externalContext_ = new ExternalContextImpl(config, request, response, renderPhase_);
69 FacesContext.setCurrentInstance( this );
70 }
71
72 public static void setCurrentInstance( FacesContext context ) {
73 FacesContext.setCurrentInstance( context );
74 }
75
76 public void release() {
77 externalContext_ = null;
78 locale_ = null;
79 viewRoot_ = null;
80 p_facesEvents = null;
81 facesMessages_ = null;
82 responseStream_ = null;
83 responseWriter_ = null;
84 application_ = null ;
85 FacesContext.setCurrentInstance(portalFacesContext);
86 }
87
88 public ExternalContext getExternalContext() { return externalContext_; }
90
91 public Locale getLocale() {
93 if (locale_ == null) {
94 locale_ = getExternalContext().getRequestLocale();
95 }
96 return locale_;
97 }
98
99 public void setLocale( Locale locale ) {
100 locale_ = locale;
101 }
102
103 public UIViewRoot getViewRoot() {
105 return viewRoot_ ;
106 }
107 public void setViewRoot(UIViewRoot viewRoot) {
108 viewRoot_ = viewRoot;
109 }
110
111
112 public void addMessage(String clientId, FacesMessage message) {
113 if(null == message)
114 throw new NullPointerException ("message cannot be null");
115 if(facesMessages_ == null) facesMessages_ = new HashMap();
116 List list = (List) facesMessages_.get(clientId);
117 if(list == null) {
118 list = new ArrayList();
119 facesMessages_.put(clientId, list);
120 }
121 list.add(message);
122 }
123
124 public Iterator getMessages() {
125 if(null == facesMessages_) return Collections.EMPTY_LIST.iterator();
126 List messages = new ArrayList() ;
127 Iterator i = facesMessages_.values().iterator() ;
128 while (i.hasNext()) {
129 List list = (List) i.next() ;
130 for (int j = 0; j < list.size() ; j++) {
131 messages.add(list.get(j));
132 }
133 }
134 if(messages.size() > 0) return messages.iterator();
135 return Collections.EMPTY_LIST.iterator();
136 }
137
138
139 public Iterator getMessages(String clientId) {
140 if(null == facesMessages_) return Collections.EMPTY_LIST.iterator();
141 List list = (List) facesMessages_.get(clientId);
142 if(list == null) return Collections.EMPTY_LIST.iterator();
143 return list.iterator();
144 }
145
146 public Iterator getFacesEvents() {
148 if (p_facesEvents == null) p_facesEvents = new ArrayList();
149 return p_facesEvents.iterator();
150 }
151
152 public void addFacesEvent( FacesEvent event ) {
154 if (p_facesEvents == null) p_facesEvents = new ArrayList();
155 p_facesEvents.add( event );
156 }
157
158 public ResponseStream getResponseStream() {
160 return responseStream_;
161 }
162
163 public void setResponseStream( ResponseStream responseStream ) {
164 responseStream_ = responseStream;
165 }
166
167 public ResponseWriter getResponseWriter() {
168 return responseWriter_;
169 }
170
171 public void setResponseWriter( ResponseWriter responseWriter ) {
172 responseWriter_ = responseWriter;
173 }
174
175
176 public FacesMessage.Severity getMaximumSeverity() {
177 int max = 0;
178 FacesMessage.Severity result = null;
179 if(null == facesMessages_ ) return null;
180 Iterator i = facesMessages_.values().iterator() ;
181 while (i.hasNext()) {
182 List list = (List) i.next() ;
183 for (int j = 0; j < list.size() ; j++) {
184 FacesMessage.Severity temp = ((FacesMessage) list.get(j)).getSeverity();
185 if(temp.getOrdinal() > max) result = temp;
186 if(result == FacesMessage.SEVERITY_FATAL) return result ;
187 }
188 }
189
190 return result;
191 }
192
193 public RenderKit getRenderKit() {
194 UIViewRoot vr = getViewRoot();
195 if(vr == null) return null;
196 String renderKitId = vr.getRenderKitId();
197 if(renderKitId == null) {
198 return null;
199 }
200 RenderKitFactory rkFactory =
201 (RenderKitFactory)FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
202 return rkFactory.getRenderKit(this, renderKitId);
203 }
204
205 public Iterator getClientIdsWithMessages() {
206 Iterator result = null;
207 if(null == facesMessages_) result = Collections.EMPTY_LIST.iterator();
208 else result = facesMessages_.keySet().iterator();
209 return result;
210 }
211
212
213 public Application getApplication() {
214 if(null != application_) {
215 return application_ ;
216 }
217 ApplicationFactory aFactory = (ApplicationFactory)FactoryFinder.getFactory(FactoryFinder.APPLICATION_FACTORY);
218 application_ = aFactory.getApplication();
219 return application_;
220 }
221 public void renderResponse() { renderResponse_ = true; }
223
224 public boolean getRenderResponse() { return renderResponse_; }
225
226 public void responseComplete() { responseComplete_ = true; }
227
228 public boolean getResponseComplete() { return responseComplete_; }
229
230 public FacesContext getPortalFacesContext() { return portalFacesContext ; }
231
232 public boolean isPortletRenderPhase() { return renderPhase_ ; }
233
234 public void destroy() {
235 PortletFacesData.destroy(this) ;
236 }
237 }
238 |
Popular Tags |
Java API By Example, From Geeks To Geeks.