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1
16 package org.apache.myfaces.renderkit.html;
17
18 import org.apache.myfaces.renderkit.JSFAttr;
19 import org.apache.myfaces.renderkit.RendererUtils;
20
21 import javax.faces.FacesException;
22 import javax.faces.application.FacesMessage;
23 import javax.faces.component.UIComponent;
24 import javax.faces.component.UIMessage;
25 import javax.faces.component.UIViewRoot;
26 import javax.faces.component.html.HtmlMessage;
27 import javax.faces.context.FacesContext;
28 import javax.faces.context.ResponseWriter;
29 import java.io.IOException  ;
30 import java.util.Iterator ;
31 import java.util.Map ;
32
33
77 public abstract class HtmlMessageRendererBase
78 extends HtmlRenderer
79 {
80
82 protected abstract String getSummary(FacesContext facesContext,
83 UIComponent message,
84 FacesMessage facesMessage,
85 String msgClientId);
86
87 protected abstract String getDetail(FacesContext facesContext,
88 UIComponent message,
89 FacesMessage facesMessage,
90 String msgClientId);
91
92 protected void renderMessage(FacesContext facesContext,
93 UIComponent message)
94 throws IOException
95 {
96 String forAttr = getFor(message);
97 if (forAttr == null)
98 {
99 throw new FacesException("Attribute 'for' of UIMessage must not be null");
100 }
101
102 UIComponent forComponent = message.findComponent(forAttr);
103 if (forComponent == null)
104 {
105 throw new FacesException("Could not render Message. Unable to find component '" + forAttr + "' (calling findComponent on component '" + message.getClientId(facesContext) + "')");
106 }
107
108 String clientId = forComponent.getClientId(facesContext);
109
110 Iterator messageIterator = facesContext.getMessages(clientId);
111 if (!messageIterator.hasNext())
112 {
113 return;
115 }
116
117 FacesMessage facesMessage = (FacesMessage)messageIterator.next();
119
120 renderSingleFacesMessage(facesContext, message, facesMessage,clientId);
122 }
123
124
125
126 protected void renderSingleFacesMessage(FacesContext facesContext,
127 UIComponent message,
128 FacesMessage facesMessage,
129 String messageClientId)
130 throws IOException
131 {
132 String [] styleAndClass = getStyleAndStyleClass(message, facesMessage.getSeverity());
134 String style = styleAndClass[0];
135 String styleClass = styleAndClass[1];
136
137 String summary = getSummary(facesContext, message, facesMessage, messageClientId);
138 String detail = getDetail(facesContext, message, facesMessage, messageClientId);
139
140 String title = getTitle(message);
141 boolean tooltip = isTooltip(message);
142
143 if (title == null && tooltip)
144 {
145 title = summary;
146 }
147
148 ResponseWriter writer = facesContext.getResponseWriter();
149
150 boolean span = false;
151
152
153 if(message.getId()!=null && !message.getId().startsWith(UIViewRoot.UNIQUE_ID_PREFIX))
154 {
155 span = true;
156
157 writer.startElement(HTML.SPAN_ELEM, message);
158
159 HtmlRendererUtils.writeIdIfNecessary(writer, message, facesContext);
160
161 HtmlRendererUtils.renderHTMLAttributes(writer, message, HTML.MESSAGE_PASSTHROUGH_ATTRIBUTES_WITHOUT_TITLE_STYLE_AND_STYLE_CLASS);
162 }
163 else
164 {
165 span=HtmlRendererUtils.renderHTMLAttributesWithOptionalStartElement(
166 writer, message, HTML.SPAN_ELEM, HTML.MESSAGE_PASSTHROUGH_ATTRIBUTES_WITHOUT_TITLE_STYLE_AND_STYLE_CLASS);
167 }
168
169 span |= HtmlRendererUtils.renderHTMLAttributeWithOptionalStartElement(writer, message, HTML.SPAN_ELEM, HTML.TITLE_ATTR, title, span);
170 span |= HtmlRendererUtils.renderHTMLAttributeWithOptionalStartElement(writer, message, HTML.SPAN_ELEM, HTML.STYLE_ATTR, style, span);
171 span |= HtmlRendererUtils.renderHTMLAttributeWithOptionalStartElement(writer, message, HTML.SPAN_ELEM, HTML.STYLE_CLASS_ATTR, styleClass, span);
172
173
174 boolean showSummary = isShowSummary(message) && (summary != null);
175 boolean showDetail = isShowDetail(message) && (detail != null);
176
177 if (showSummary && !(title == null && tooltip))
178 {
179 writer.writeText(summary, null);
180 if (showDetail)
181 {
182 writer.writeText(" ", null);
183 }
184 }
185
186 if (showDetail)
187 {
188 writer.writeText(detail, null);
189 }
190
191 if (span)
192 {
193 writer.endElement(HTML.SPAN_ELEM);
194 }
195 }
196
197
198 protected String [] getStyleAndStyleClass(UIComponent message,
199 FacesMessage.Severity severity)
200 {
201 String style = null;
202 String styleClass = null;
203 if (message instanceof HtmlMessage)
204 {
205 if (severity == FacesMessage.SEVERITY_INFO)
206 {
207 style = ((HtmlMessage)message).getInfoStyle();
208 styleClass = ((HtmlMessage)message).getInfoClass();
209 }
210 else if (severity == FacesMessage.SEVERITY_WARN)
211 {
212 style = ((HtmlMessage)message).getWarnStyle();
213 styleClass = ((HtmlMessage)message).getWarnClass();
214 }
215 else if (severity == FacesMessage.SEVERITY_ERROR)
216 {
217 style = ((HtmlMessage)message).getErrorStyle();
218 styleClass = ((HtmlMessage)message).getErrorClass();
219 }
220 else if (severity == FacesMessage.SEVERITY_FATAL)
221 {
222 style = ((HtmlMessage)message).getFatalStyle();
223 styleClass = ((HtmlMessage)message).getFatalClass();
224 }
225
226 if (style == null)
227 {
228 style = ((HtmlMessage)message).getStyle();
229 }
230
231 if (styleClass == null)
232 {
233 styleClass = ((HtmlMessage)message).getStyleClass();
234 }
235 }
236 else
237 {
238 Map attr = message.getAttributes();
239 if (severity == FacesMessage.SEVERITY_INFO)
240 {
241 style = (String )attr.get(JSFAttr.INFO_STYLE_ATTR);
242 styleClass = (String )attr.get(JSFAttr.INFO_CLASS_ATTR);
243 }
244 else if (severity == FacesMessage.SEVERITY_WARN)
245 {
246 style = (String )attr.get(JSFAttr.WARN_STYLE_ATTR);
247 styleClass = (String )attr.get(JSFAttr.WARN_CLASS_ATTR);
248 }
249 else if (severity == FacesMessage.SEVERITY_ERROR)
250 {
251 style = (String )attr.get(JSFAttr.ERROR_STYLE_ATTR);
252 styleClass = (String )attr.get(JSFAttr.ERROR_CLASS_ATTR);
253 }
254 else if (severity == FacesMessage.SEVERITY_FATAL)
255 {
256 style = (String )attr.get(JSFAttr.FATAL_STYLE_ATTR);
257 styleClass = (String )attr.get(JSFAttr.FATAL_CLASS_ATTR);
258 }
259
260 if (style == null)
261 {
262 style = (String )attr.get(JSFAttr.STYLE_CLASS_ATTR);
263 }
264
265 if (styleClass == null)
266 {
267 styleClass = (String )attr.get(JSFAttr.STYLE_CLASS_ATTR);
268 }
269 }
270
271 return new String [] {style, styleClass};
272 }
273
274 protected String getFor(UIComponent component)
275 {
276 if (component instanceof UIMessage)
277 {
278 return ((UIMessage)component).getFor();
279 }
280 else
281 {
282 return (String )component.getAttributes().get(JSFAttr.FOR_ATTR);
283 }
284 }
285
286 protected String getTitle(UIComponent component)
287 {
288 if (component instanceof HtmlMessage)
289 {
290 return ((HtmlMessage)component).getTitle();
291 }
292 else
293 {
294 return (String )component.getAttributes().get(JSFAttr.TITLE_ATTR);
295 }
296 }
297
298 protected boolean isTooltip(UIComponent component)
299 {
300 if (component instanceof HtmlMessage)
301 {
302 return ((HtmlMessage)component).isTooltip();
303 }
304 else
305 {
306 return RendererUtils.getBooleanAttribute(component, JSFAttr.TOOLTIP_ATTR, false);
307 }
308 }
309
310 protected boolean isShowSummary(UIComponent component)
311 {
312 if (component instanceof UIMessage)
313 {
314 return ((UIMessage)component).isShowSummary();
315 }
316 else
317 {
318 return RendererUtils.getBooleanAttribute(component, JSFAttr.SHOW_SUMMARY_ATTR, false);
319 }
320 }
321
322 protected boolean isShowDetail(UIComponent component)
323 {
324 if (component instanceof UIMessage)
325 {
326 return ((UIMessage)component).isShowDetail();
327 }
328 else
329 {
330 return RendererUtils.getBooleanAttribute(component, JSFAttr.SHOW_DETAIL_ATTR, false);
331 }
332 }
333
334
335
336
337
338
339
340
341
342
343
344
345 }
346 |
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