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1
5 package org.exoplatform.faces.core.component;
6
7 import java.io.*;
8 import javax.faces.context.FacesContext;
9 import javax.faces.context.ResponseWriter;
10 import org.exoplatform.faces.FacesConstants;
11 import org.exoplatform.faces.context.PortletFacesContext;
12
18 public class UIFatalError extends UIExoComponentBase {
19
20 private Throwable  exception_ ;
21
22 public UIFatalError(Throwable ex) {
23 setId("UIFatalError") ;
24 exception_ = ex ;
25 }
26
27 public void decode(FacesContext context) {
28 PortletFacesContext pcontext = (PortletFacesContext)context ;
29 pcontext.destroy() ;
30 }
31
32 final public void encodeBegin(FacesContext context) throws IOException {
33 String baseURL = context.getExternalContext().encodeActionURL(null) ;
34 ResponseWriter w = context.getResponseWriter() ;
35 w.write("<div>");
36 w. write("The portlet has a fatal error. Click here to restart the portlet") ;
37 renderButton(w, baseURL);
38 w.write("</div>");
39 w.write("<div style='border: 1px dashed black>");
40 String message = exception_.getMessage() ;
41 if (message != null) {
42 w.write(exception_.getMessage()) ;
43 }
44 w.write(getStackTrace(exception_));
45 w.write("</div>");
46
47 }
48
49 private void renderButton(ResponseWriter w, String baseURL) throws IOException {
50 w.write("<a HREF='"); w.write(baseURL) ;
51 w.write('&'); w.write(FacesConstants.ACTION); w.write("=restart") ;
52 w.write("'>");
53 w.write("Click");
54 w.write("</a>") ;
55 }
56
57 private String getStackTrace(Throwable t) {
58 ByteArrayOutputStream ostream = new ByteArrayOutputStream() ;
59 PrintStream pstream = new PrintStream(ostream) ;
60 t.printStackTrace(pstream) ;
61 return new String (ostream.toByteArray()) ;
62 }
63
64 final public void encodeChildren(FacesContext context) throws IOException {
65 }
66
67 final public void encodeEnd(FacesContext context) throws IOException {
68 }
69 } |
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