import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.lang.reflect.Method;
-import java.net.SocketException;
import java.text.DateFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import com.itmill.toolkit.terminal.UploadStream;
import com.itmill.toolkit.terminal.VariableOwner;
import com.itmill.toolkit.terminal.Paintable.RepaintRequestEvent;
+import com.itmill.toolkit.terminal.Terminal.ErrorEvent;
+import com.itmill.toolkit.ui.AbstractField;
import com.itmill.toolkit.ui.Component;
import com.itmill.toolkit.ui.Upload;
import com.itmill.toolkit.ui.Window;
* @param request
* @param response
* @throws IOException
+ * @throws ServletException
*/
public void handleUidlRequest(HttpServletRequest request,
HttpServletResponse response, ApplicationServlet applicationServlet)
- throws IOException {
+ throws IOException, ServletException {
// repaint requested or session has timed out and new one is created
boolean repaintAll = (request.getParameter(GET_PARAM_REPAINT_ALL) != null)
final PrintWriter outWriter = new PrintWriter(new BufferedWriter(
new OutputStreamWriter(out, "UTF-8")));
- try {
-
- // The rest of the process is synchronized with the application
- // in order to guarantee that no parallel variable handling is
- // made
- synchronized (application) {
-
- // Finds the window within the application
- Window window = null;
- if (application.isRunning()) {
- window = getApplicationWindow(request, application);
- // Returns if no window found
- if (window == null) {
- // This should not happen, no windows exists but
- // application is still open.
- System.err
- .println("Warning, could not get window for application with request URI "
- + request.getRequestURI());
- return;
- }
- } else {
- // application has been closed
- endApplication(request, response, application);
+ // The rest of the process is synchronized with the application
+ // in order to guarantee that no parallel variable handling is
+ // made
+ synchronized (application) {
+
+ // Finds the window within the application
+ Window window = null;
+ if (application.isRunning()) {
+ window = getApplicationWindow(request, application);
+ // Returns if no window found
+ if (window == null) {
+ // This should not happen, no windows exists but
+ // application is still open.
+ System.err
+ .println("Warning, could not get window for application with request URI "
+ + request.getRequestURI());
return;
}
+ } else {
+ // application has been closed
+ endApplication(request, response, application);
+ return;
+ }
- // Change all variables based on request parameters
- if (!handleVariables(request, application)) {
- // var inconsistency; the client is probably out-of-sync
- SystemMessages ci = null;
- try {
- Method m = application.getClass().getMethod(
- "getSystemMessages", null);
- ci = (Application.SystemMessages) m.invoke(null, null);
- } catch (Exception e2) {
- // Not critical, but something is still wrong; print
- // stacktrace
- e2.printStackTrace();
- }
- if (ci != null) {
- String msg = ci.getOutOfSyncMessage();
- String cap = ci.getOutOfSyncCaption();
- if (msg != null || cap != null) {
- applicationServlet.criticalNotification(request,
- response, cap, msg, ci.getOutOfSyncURL());
- // will reload page after this
- return;
- }
+ // Change all variables based on request parameters
+ if (!handleVariables(request, application)) {
+ // var inconsistency; the client is probably out-of-sync
+ SystemMessages ci = null;
+ try {
+ Method m = application.getClass().getMethod(
+ "getSystemMessages", null);
+ ci = (Application.SystemMessages) m.invoke(null, null);
+ } catch (Exception e2) {
+ // Not critical, but something is still wrong; print
+ // stacktrace
+ e2.printStackTrace();
+ }
+ if (ci != null) {
+ String msg = ci.getOutOfSyncMessage();
+ String cap = ci.getOutOfSyncCaption();
+ if (msg != null || cap != null) {
+ applicationServlet.criticalNotification(request,
+ response, cap, msg, ci.getOutOfSyncURL());
+ // will reload page after this
+ return;
}
- // No message to show, let's just repaint all.
- System.err
- .println("Warning: variable inconsistency - client is probably out-of-sync, repainting all.");
- repaintAll = true;
-
}
+ // No message to show, let's just repaint all.
+ System.err
+ .println("Warning: variable inconsistency - client is probably out-of-sync, repainting all.");
+ repaintAll = true;
- // If repaint is requested, clean all ids in this root window
- if (repaintAll) {
- for (final Iterator it = idPaintableMap.keySet().iterator(); it
- .hasNext();) {
- final Component c = (Component) idPaintableMap.get(it
- .next());
- if (isChildOf(window, c)) {
- it.remove();
- paintableIdMap.remove(c);
- }
+ }
+
+ // If repaint is requested, clean all ids in this root window
+ if (repaintAll) {
+ for (final Iterator it = idPaintableMap.keySet().iterator(); it
+ .hasNext();) {
+ final Component c = (Component) idPaintableMap.get(it
+ .next());
+ if (isChildOf(window, c)) {
+ it.remove();
+ paintableIdMap.remove(c);
}
}
+ }
- // Removes application if it has stopped during variable changes
- if (!application.isRunning()) {
- endApplication(request, response, application);
- return;
- }
+ // Removes application if it has stopped during variable changes
+ if (!application.isRunning()) {
+ endApplication(request, response, application);
+ return;
+ }
- // Sets the response type
- response.setContentType("application/json; charset=UTF-8");
- // some dirt to prevent cross site scripting
- outWriter.print("for(;;);[{");
+ // Sets the response type
+ response.setContentType("application/json; charset=UTF-8");
+ // some dirt to prevent cross site scripting
+ outWriter.print("for(;;);[{");
- outWriter.print("\"changes\":[");
+ outWriter.print("\"changes\":[");
- // re-get mainwindow - may have been changed
- Window newWindow = getApplicationWindow(request, application);
- if (newWindow != window) {
- window = newWindow;
- repaintAll = true;
- }
+ // re-get mainwindow - may have been changed
+ Window newWindow = getApplicationWindow(request, application);
+ if (newWindow != window) {
+ window = newWindow;
+ repaintAll = true;
+ }
- JsonPaintTarget paintTarget = new JsonPaintTarget(this,
- outWriter, !repaintAll);
+ JsonPaintTarget paintTarget = new JsonPaintTarget(this, outWriter,
+ !repaintAll);
- // Paints components
- ArrayList paintables;
- if (repaintAll) {
- paintables = new ArrayList();
- paintables.add(window);
+ // Paints components
+ ArrayList paintables;
+ if (repaintAll) {
+ paintables = new ArrayList();
+ paintables.add(window);
- // Reset sent locales
- locales = null;
- requireLocale(application.getLocale().toString());
+ // Reset sent locales
+ locales = null;
+ requireLocale(application.getLocale().toString());
- } else {
- // remove detached components from paintableIdMap so they
- // can be GC'ed
- for (Iterator it = paintableIdMap.keySet().iterator(); it
- .hasNext();) {
- Component p = (Component) it.next();
- if (p.getApplication() == null) {
- idPaintableMap.remove(paintableIdMap.get(p));
- it.remove();
- dirtyPaintabletSet.remove(p);
- p.removeListener(this);
- }
+ } else {
+ // remove detached components from paintableIdMap so they
+ // can be GC'ed
+ for (Iterator it = paintableIdMap.keySet().iterator(); it
+ .hasNext();) {
+ Component p = (Component) it.next();
+ if (p.getApplication() == null) {
+ idPaintableMap.remove(paintableIdMap.get(p));
+ it.remove();
+ dirtyPaintabletSet.remove(p);
+ p.removeListener(this);
}
- paintables = getDirtyComponents(window);
}
- if (paintables != null) {
-
- // We need to avoid painting children before parent.
- // This is ensured by ordering list by depth in component
- // tree
- Collections.sort(paintables, new Comparator() {
- public int compare(Object o1, Object o2) {
- Component c1 = (Component) o1;
- Component c2 = (Component) o2;
- int d1 = 0;
- while (c1.getParent() != null) {
- d1++;
- c1 = c1.getParent();
- }
- int d2 = 0;
- while (c2.getParent() != null) {
- d2++;
- c2 = c2.getParent();
- }
- if (d1 < d2) {
- return -1;
- }
- if (d1 > d2) {
- return 1;
- }
- return 0;
+ paintables = getDirtyComponents(window);
+ }
+ if (paintables != null) {
+
+ // We need to avoid painting children before parent.
+ // This is ensured by ordering list by depth in component
+ // tree
+ Collections.sort(paintables, new Comparator() {
+ public int compare(Object o1, Object o2) {
+ Component c1 = (Component) o1;
+ Component c2 = (Component) o2;
+ int d1 = 0;
+ while (c1.getParent() != null) {
+ d1++;
+ c1 = c1.getParent();
}
- });
-
- for (final Iterator i = paintables.iterator(); i.hasNext();) {
- final Paintable p = (Paintable) i.next();
-
- // TODO CLEAN
- if (p instanceof Window) {
- final Window w = (Window) p;
- if (w.getTerminal() == null) {
- w.setTerminal(application.getMainWindow()
- .getTerminal());
- }
+ int d2 = 0;
+ while (c2.getParent() != null) {
+ d2++;
+ c2 = c2.getParent();
}
- /*
- * This does not seem to happen in tk5, but remember
- * this case: else if (p instanceof Component) { if
- * (((Component) p).getParent() == null || ((Component)
- * p).getApplication() == null) { // Component requested
- * repaint, but is no // longer attached: skip
- * paintablePainted(p); continue; } }
- */
-
- // TODO we may still get changes that have been
- // rendered already (changes with only cached flag)
- if (paintTarget.needsToBePainted(p)) {
- paintTarget.startTag("change");
- paintTarget.addAttribute("format", "uidl");
- final String pid = getPaintableId(p);
- paintTarget.addAttribute("pid", pid);
-
- p.paint(paintTarget);
-
- paintTarget.endTag("change");
+ if (d1 < d2) {
+ return -1;
+ }
+ if (d1 > d2) {
+ return 1;
+ }
+ return 0;
+ }
+ });
+
+ for (final Iterator i = paintables.iterator(); i.hasNext();) {
+ final Paintable p = (Paintable) i.next();
+
+ // TODO CLEAN
+ if (p instanceof Window) {
+ final Window w = (Window) p;
+ if (w.getTerminal() == null) {
+ w.setTerminal(application.getMainWindow()
+ .getTerminal());
}
- paintablePainted(p);
}
+ /*
+ * This does not seem to happen in tk5, but remember this
+ * case: else if (p instanceof Component) { if (((Component)
+ * p).getParent() == null || ((Component)
+ * p).getApplication() == null) { // Component requested
+ * repaint, but is no // longer attached: skip
+ * paintablePainted(p); continue; } }
+ */
+
+ // TODO we may still get changes that have been
+ // rendered already (changes with only cached flag)
+ if (paintTarget.needsToBePainted(p)) {
+ paintTarget.startTag("change");
+ paintTarget.addAttribute("format", "uidl");
+ final String pid = getPaintableId(p);
+ paintTarget.addAttribute("pid", pid);
+
+ p.paint(paintTarget);
+
+ paintTarget.endTag("change");
+ }
+ paintablePainted(p);
}
+ }
- paintTarget.close();
- outWriter.print("]"); // close changes
+ paintTarget.close();
+ outWriter.print("]"); // close changes
- outWriter.print(", \"meta\" : {");
- boolean metaOpen = false;
+ outWriter.print(", \"meta\" : {");
+ boolean metaOpen = false;
- if (repaintAll) {
- metaOpen = true;
- outWriter.write("\"repaintAll\":true");
- }
+ if (repaintAll) {
+ metaOpen = true;
+ outWriter.write("\"repaintAll\":true");
+ }
- // add meta instruction for client to set focus if it is set
- final Paintable f = (Paintable) application.consumeFocus();
- if (f != null) {
- if (metaOpen) {
- outWriter.write(",");
- }
- outWriter.write("\"focus\":\"" + getPaintableId(f) + "\"");
+ // add meta instruction for client to set focus if it is set
+ final Paintable f = (Paintable) application.consumeFocus();
+ if (f != null) {
+ if (metaOpen) {
+ outWriter.write(",");
}
+ outWriter.write("\"focus\":\"" + getPaintableId(f) + "\"");
+ }
- outWriter.print("}, \"resources\" : {");
+ outWriter.print("}, \"resources\" : {");
- // Precache custom layouts
- String themeName = window.getTheme();
- if (request.getParameter("theme") != null) {
- themeName = request.getParameter("theme");
- }
- if (themeName == null) {
- themeName = "default";
+ // Precache custom layouts
+ String themeName = window.getTheme();
+ if (request.getParameter("theme") != null) {
+ themeName = request.getParameter("theme");
+ }
+ if (themeName == null) {
+ themeName = "default";
+ }
+
+ // TODO We should only precache the layouts that are not
+ // cached already
+ int resourceIndex = 0;
+ for (final Iterator i = paintTarget.getPreCachedResources()
+ .iterator(); i.hasNext();) {
+ final String resource = (String) i.next();
+ InputStream is = null;
+ try {
+ is = applicationServlet
+ .getServletContext()
+ .getResourceAsStream(
+ "/"
+ + ApplicationServlet.THEME_DIRECTORY_PATH
+ + themeName + "/" + resource);
+ } catch (final Exception e) {
+ e.printStackTrace();
}
+ if (is != null) {
+
+ outWriter.print((resourceIndex++ > 0 ? ", " : "") + "\""
+ + resource + "\" : ");
+ final StringBuffer layout = new StringBuffer();
- // TODO We should only precache the layouts that are not
- // cached already
- int resourceIndex = 0;
- for (final Iterator i = paintTarget.getPreCachedResources()
- .iterator(); i.hasNext();) {
- final String resource = (String) i.next();
- InputStream is = null;
try {
- is = applicationServlet
- .getServletContext()
- .getResourceAsStream(
- "/"
- + ApplicationServlet.THEME_DIRECTORY_PATH
- + themeName + "/" + resource);
- } catch (final Exception e) {
- e.printStackTrace();
- }
- if (is != null) {
-
- outWriter.print((resourceIndex++ > 0 ? ", " : "")
- + "\"" + resource + "\" : ");
- final StringBuffer layout = new StringBuffer();
-
- try {
- final InputStreamReader r = new InputStreamReader(
- is);
- final char[] buffer = new char[20000];
- int charsRead = 0;
- while ((charsRead = r.read(buffer)) > 0) {
- layout.append(buffer, 0, charsRead);
- }
- r.close();
- } catch (final java.io.IOException e) {
- System.err.println("Resource transfer failed: "
- + request.getRequestURI() + ". ("
- + e.getMessage() + ")");
+ final InputStreamReader r = new InputStreamReader(is);
+ final char[] buffer = new char[20000];
+ int charsRead = 0;
+ while ((charsRead = r.read(buffer)) > 0) {
+ layout.append(buffer, 0, charsRead);
}
- outWriter.print("\""
- + JsonPaintTarget.escapeJSON(layout.toString())
- + "\"");
- } else {
- System.err.println("CustomLayout " + "/"
- + ApplicationServlet.THEME_DIRECTORY_PATH
- + themeName + "/" + resource + " not found!");
+ r.close();
+ } catch (final java.io.IOException e) {
+ System.err.println("Resource transfer failed: "
+ + request.getRequestURI() + ". ("
+ + e.getMessage() + ")");
}
+ outWriter.print("\""
+ + JsonPaintTarget.escapeJSON(layout.toString())
+ + "\"");
+ } else {
+ System.err.println("CustomLayout " + "/"
+ + ApplicationServlet.THEME_DIRECTORY_PATH
+ + themeName + "/" + resource + " not found!");
}
- outWriter.print("}");
+ }
+ outWriter.print("}");
- printLocaleDeclarations(outWriter);
+ printLocaleDeclarations(outWriter);
- outWriter.print("}]");
+ outWriter.print("}]");
- outWriter.flush();
- outWriter.close();
- }
-
- out.flush();
- out.close();
- } catch (SocketException e) {
- // Most likely client browser closed socket
- System.err
- .println("Warning: SocketException in CommunicationManager."
- + " Most likely client (browser) closed socket.");
- } catch (final Throwable e) {
- e.printStackTrace();
- // Writes the error report to client
- // FIXME breaks UIDL response, security shouldn't reveal stack trace
- // to client side
- final OutputStreamWriter w = new OutputStreamWriter(out);
- final PrintWriter err = new PrintWriter(w);
- err
- .write("<html><head><title>Application Internal Error</title></head><body>");
- err.write("<h1>" + e.toString() + "</h1><pre>\n");
- e.printStackTrace(new PrintWriter(err));
- err.write("\n</pre></body></html>");
- err.close();
+ outWriter.flush();
+ outWriter.close();
}
+
+ out.flush();
+ out.close();
}
/**
variable[VAR_TYPE].charAt(0),
variable[VAR_VALUE]));
}
- owner.changeVariables(request, m);
+ try {
+ owner.changeVariables(request, m);
+ } catch (Exception e) {
+ handleChangeVariablesError(application2,
+ (Component) owner, e, m);
+ }
} else {
// Ignore variable change
String msg = "Warning: Ignoring variable change for ";
return success;
}
+ public class ErrorHandlerErrorEvent implements ErrorEvent {
+
+ private Throwable throwable;
+
+ public ErrorHandlerErrorEvent(Throwable throwable) {
+ this.throwable = throwable;
+ }
+
+ public Throwable getThrowable() {
+ return throwable;
+ }
+
+ }
+
+ private void handleChangeVariablesError(Application application,
+ Component owner, Exception e, Map m) {
+ boolean handled = false;
+ ChangeVariablesErrorEvent errorEvent = new ChangeVariablesErrorEvent(
+ owner, e, m);
+
+ if (owner instanceof AbstractField) {
+ try {
+ handled = ((AbstractField) owner).handleError(errorEvent);
+ } catch (Exception handlerException) {
+ /*
+ * If there is an error in the component error handler we pass
+ * the that error to the application error handler and continue
+ * processing the actual error
+ */
+ application.getErrorHandler().terminalError(
+ new ErrorHandlerErrorEvent(handlerException));
+ handled = false;
+ }
+ }
+
+ if (!handled) {
+ application.getErrorHandler().terminalError(errorEvent);
+ }
+
+ }
+
private Object convertVariableValue(char variableType, String strValue) {
Object val = null;
switch (variableType) {
projects / vaadin-framework.git / commitdiff