private boolean handleHelperStart() {
Logger.log.info("Handling helper start in view: " + viewParameters.viewID);
View view = new View();
List producersList = viewResolver.getProducers(viewParameters.viewID);
if (producersList.size() != 1) {
throw new IllegalArgumentException(
"There is not exactly one view producer for the view: " + viewParameters.viewID);
}
ViewComponentProducer vp = (ViewComponentProducer) producersList.get(0);
statePreservationManager.scopeRestore();
vp.fillComponents(view.viewroot, viewParameters, null);
statePreservationManager.scopePreserve();
UIOutput helperId = (UIOutput) view.viewroot.getComponent(HelperViewParameters.HELPER_ID);
UICommand helperBinding =
(UICommand) view.viewroot.getComponent(HelperViewParameters.POST_HELPER_BINDING);
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + HelperViewParameters.HELPER_ID,
helperId.getValue());
if (helperBinding != null) {
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + HelperViewParameters.POST_HELPER_BINDING,
helperBinding.methodbinding);
// Support for a ParameterList on the UICommand
if (helperBinding.parameters != null) {
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + POST_HELPER_BINDING_PARAMLIST,
helperBinding.parameters);
}
}
// We need to save these ViewParameters for ActionResultInterceptors
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + POST_HELPER_ARI2_VIEWPARAMS, viewParameters);
// Hack to know if we're in the helper
tsh.putTokenState(IN_HELPER_INDICATOR, IN_HELPER_INDICATOR);
String helperToolPath = bup.getBaseURL() + viewParameters.viewID + IN_HELPER_PATH;
tsh.putTokenState(
helperId.getValue() + Tool.HELPER_DONE_URL,
bup.getBaseURL() + viewParameters.viewID + HELPER_FINISHED_PATH);
try {
response.sendRedirect(helperToolPath);
} catch (IOException e) {
throw UniversalRuntimeException.accumulate(
e, "IOException when trying to redirect to helper tool");
}
return true;
}
private boolean handleHelperHelper(final String pathBeyondViewID) {
Logger.log.info(
"Handling helper in view: "
+ viewParameters.viewID
+ " pathBeyondViewID: "
+ pathBeyondViewID);
String helperId =
(String)
tsh.getTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + HelperViewParameters.HELPER_ID);
if (pathBeyondViewID.endsWith(".helper")) {
int i = pathBeyondViewID.lastIndexOf('/');
if (i >= 0) {
String helperName = pathBeyondViewID.substring(i + 1);
String toolName = pathBeyondViewID.substring(0, i);
i = helperName.lastIndexOf('.');
helperName = helperName.substring(0, i);
Logger.log.debug("new helper name" + helperName);
Logger.log.debug("tool name" + toolName);
tsh.putTokenState(TOKEN_STATE_PREFIX + viewParameters.viewID + "orig-helper-id", helperId);
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + "helper-tool-name", toolName);
helperId = helperName;
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + HelperViewParameters.HELPER_ID, helperId);
}
}
String origToolName =
(String) tsh.getTokenState(TOKEN_STATE_PREFIX + viewParameters.viewID + "helper-tool-name");
if (origToolName != null && pathBeyondViewID.endsWith(origToolName)) {
helperId =
(String) tsh.getTokenState(TOKEN_STATE_PREFIX + viewParameters.viewID + "orig-helper-id");
Logger.log.debug("returning to " + helperId);
tsh.putTokenState(
TOKEN_STATE_PREFIX + viewParameters.viewID + HelperViewParameters.HELPER_ID, helperId);
tsh.clearTokenState(TOKEN_STATE_PREFIX + viewParameters.viewID + "helper-tool-name");
tsh.clearTokenState(TOKEN_STATE_PREFIX + viewParameters.viewID + "orig-helper-id");
}
ActiveTool helperTool = activeToolManager.getActiveTool(helperId);
String baseUrl = bup.getBaseURL();
int hostStart = baseUrl.indexOf("://") + 3;
int hostEnd = baseUrl.indexOf('/', hostStart);
String contextPath = baseUrl.substring(hostEnd);
contextPath += viewParameters.viewID;
contextPath += IN_HELPER_PATH;
String helperPathInfo = pathInfo[0] + "/" + pathInfo[1];
request.removeAttribute(Tool.NATIVE_URL);
// this is the forward call
try {
helperTool.help(request, response, contextPath, helperPathInfo);
} catch (ToolException e) {
throw UniversalRuntimeException.accumulate(
e,
"ToolException when trying to call help. HelperId: "
+ helperId
+ " contextPath: "
+ contextPath
+ " pathInfo: "
+ pathInfo);
}
return true;
}