public void handlePageBody(Writer writer, NavigationContext nc)
throws ServletException, IOException {
HttpServletRequest request = nc.getHttpRequest();
String commandSpec =
request.getParameter(PanelEditorCommand.PANEL_EDITOR_COMMAND_REQUEST_PARAM_NAME);
if (commandSpec != null) {
PanelEditorCommand command = new PanelEditorCommand();
command.setParameters(commandSpec);
// verify that this command is configured to be in this pae
if (verifyPanelEditorInPage(nc, command)) {
try {
command.handleCommand(writer, nc, false);
} catch (CommandException e) {
getLog().error("Command error in body", e);
throw new ServletException(e);
}
return;
} else {
log.error(
"Request to execute a panel editor '"
+ command.getPanelEditorName()
+ "' that does not exist in page.");
}
}
super.handlePageBody(writer, nc);
}
/**
* Verify that the request panel editor does exist in the page
*
* @param nc
* @param peCommand
* @return
*/
public boolean verifyPanelEditorInPage(NavigationContext nc, PanelEditorCommand peCommand) {
boolean valid = false;
int bodyType = getBodyType().getValueIndex();
if (bodyType == NavigationPageBodyType.COMMAND) {
ValueSource commandExpr = getCommandExpr();
if (commandExpr != null) {
String commandText = commandExpr.getTextValue(nc);
if (commandText != null) {
try {
Command command = Commands.getInstance().getCommand(commandText);
if (command instanceof PanelEditorCommand) {
String peName = ((PanelEditorCommand) command).getPanelEditorName();
if (peCommand.getPanelEditorName().equals(peName)) valid = true;
}
} catch (Exception e) {
getLog().error("Command error in " + this.getClass().getName(), e);
}
}
}
} else if (bodyType == NavigationPageBodyType.PANEL) {
// this is the layout panel defined for the page
HtmlPanels panels = getBodyPanel().getChildren();
for (int i = 0; i < panels.size(); i++) {
if (panels.get(i) instanceof HtmlCommandPanel) {
Command command = ((HtmlCommandPanel) panels.get(i)).getCommand();
if (command instanceof PanelEditorCommand) {
String peName = ((PanelEditorCommand) command).getPanelEditorName();
if (peCommand.getPanelEditorName().equals(peName)) {
valid = true;
break;
}
}
}
}
}
return valid;
}