/**
* Saves the state of the FacesContext as required by section 5.1.2 of the JSR 329 spec. This
* method is designed to be called during the ACTION_PHASE of the portlet lifecycle.
*
* @param facesContext The current faces context.
*/
public void saveState(FacesContext facesContext) {
logger.debug("saveState(facesContext)");
// Get the ExternalContext and PortletResponse.
BridgeContext bridgeContext = BridgeContext.getCurrentInstance();
ExternalContext externalContext = facesContext.getExternalContext();
PortletResponse portletResponse =
(PortletResponse) facesContext.getExternalContext().getResponse();
if ((beganInPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (beganInPhase == Bridge.PortletPhase.EVENT_PHASE)
|| (beganInPhase == Bridge.PortletPhase.RESOURCE_PHASE)) {
// Save the view root.
setAttribute(BRIDGE_REQ_SCOPE_ATTR_FACES_VIEW_ROOT, facesContext.getViewRoot());
// If the PortletMode hasn't changed, then preserve the "javax.faces.ViewState" request
// parameter value.
if (!isPortletModeChanged()) {
if (portletResponse instanceof ActionResponse) {
String viewState =
facesContext
.getExternalContext()
.getRequestParameterMap()
.get(ResponseStateManager.VIEW_STATE_PARAM);
if (viewState != null) {
// NOTE: Although it is possible to save this as a render parameter, can't use that
// approach
// because portlet containers like Pluto will add the "javax.faces.ViewState" parameter
// to any
// ResourceURLs that are created during the RENDER_PHASE of the portlet lifecycle.
setAttribute(ResponseStateManager.VIEW_STATE_PARAM, viewState);
}
}
}
// If specified in the WEB-INF/portlet.xml descriptor, then preserve the action parameters.
if (bridgeContext.isPreserveActionParams()) {
Map<String, String> actionRequestParameterMap =
new HashMap<String, String>(externalContext.getRequestParameterMap());
actionRequestParameterMap.remove(ResponseStateManager.VIEW_STATE_PARAM);
actionRequestParameterMap.remove(JAVAX_FACES_ENCODED_URL_PARAM);
setAttribute(BRIDGE_REQ_SCOPE_ATTR_ACTION_PARAMS, actionRequestParameterMap);
}
// Save the list of faces messages.
List<FacesMessageWrapper> facesMessageWrappers = new ArrayList<FacesMessageWrapper>();
Iterator<String> clientIds = facesContext.getClientIdsWithMessages();
while (clientIds.hasNext()) {
String clientId = clientIds.next();
Iterator<FacesMessage> facesMessages = facesContext.getMessages(clientId);
while (facesMessages.hasNext()) {
FacesMessage facesMessage = facesMessages.next();
FacesMessageWrapper facesMessageWrapper = new FacesMessageWrapper(clientId, facesMessage);
facesMessageWrappers.add(facesMessageWrapper);
}
}
if (facesMessageWrappers.size() > 0) {
setAttribute(BRIDGE_REQ_SCOPE_ATTR_FACES_MESSAGES, facesMessageWrappers);
} else {
logger.trace("Not saving any faces messages");
}
// NOTE: PROPOSED-FOR-BRIDGE3-API: https://issues.apache.org/jira/browse/PORTLETBRIDGE-203
// Build up a list
// of attributes found in the FacesContext attribute map and save them. It has to be copied in
// this manner
// because the Faces implementation likely calls the clear() method during the call to its
// FacesContextImpl.release() method.
saveJSF2FacesContextAttributes(facesContext);
}
if ((beganInPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (beganInPhase == Bridge.PortletPhase.EVENT_PHASE)
|| (beganInPhase == Bridge.PortletPhase.RESOURCE_PHASE)) {
boolean saveNonExcludedAttributes = true;
// If a redirect occurred, then indicate that the non-excluded request attributes are not to
// be preserved.
if (isRedirectOccurred()) {
// TCK TestPage062: eventScopeNotRestoredRedirectTest
logger.trace("Due to redirect, not saving any non-excluded request attributes");
saveNonExcludedAttributes = false;
}
// Otherwise, if the portlet mode has changed, then indicate that the non-exluded request
// attributes are
// not to be preserved.
else if (isPortletModeChanged()) {
logger.trace("Due to PortletMode change, not saving any non-excluded request attributes");
saveNonExcludedAttributes = false;
}
// If appropriate, save the non-excluded request attributes. This would include, for example,
// managed-bean
// instances that may have been created during the ACTION_PHASE that need to survive to the
// RENDER_PHASE.
Map<String, Object> currentRequestAttributes = externalContext.getRequestMap();
if (currentRequestAttributes != null) {
List<RequestAttribute> savedRequestAttributes = new ArrayList<RequestAttribute>();
List<String> nonExcludedAttributeNames = new ArrayList<String>();
Iterator<Map.Entry<String, Object>> itr = currentRequestAttributes.entrySet().iterator();
if (itr != null) {
while (itr.hasNext()) {
Map.Entry<String, Object> mapEntry = itr.next();
String attributeName = mapEntry.getKey();
Object attributeValue = mapEntry.getValue();
if (isExcludedRequestAttributeByConfig(attributeName, attributeValue)
|| isExcludedRequestAttributeByAnnotation(attributeValue)
|| isExcludedRequestAttributeByNamespace(attributeName)
|| isExcludedRequestAttributeByInstance(attributeName, attributeValue)
|| isExcludedRequestAttributeByPreExisting(attributeName)) {
logger.trace("NOT saving EXCLUDED attribute name=[{0}]", attributeName);
} else {
if (saveNonExcludedAttributes) {
logger.trace(
"SAVING non-excluded request attribute name=[{0}] value=[{1}]",
attributeName, attributeValue);
savedRequestAttributes.add(new RequestAttribute(attributeName, attributeValue));
}
nonExcludedAttributeNames.add(attributeName);
}
}
if (savedRequestAttributes.size() > 0) {
setAttribute(BRIDGE_REQ_SCOPE_ATTR_REQUEST_ATTRIBUTES, savedRequestAttributes);
} else {
logger.trace("Not saving any non-excluded request attributes");
}
setAttribute(BRIDGE_REQ_SCOPE_NON_EXCLUDED_ATTR_NAMES, nonExcludedAttributeNames);
}
} else {
logger.trace(
"Not saving any non-excluded request attributes because there are no request attributes!");
}
}
// If running in the ACTION_PHASE or EVENT_PHASE, then the Flash scope must be saved as well so
// that it can be
// restored.
Bridge.PortletPhase portletRequestPhase = bridgeContext.getPortletRequestPhase();
if ((portletRequestPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (portletRequestPhase == Bridge.PortletPhase.EVENT_PHASE)) {
// PROPOSED-FOR-JSR344-API: http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-1070
// PROPOSED-FOR-BRIDGE3-API: https://issues.apache.org/jira/browse/PORTLETBRIDGE-201
saveFlashState(facesContext);
}
// If running in the ACTION_PHASE or EVENT_PHASE, then the incongruity context must be saved as
// well so that it
// can be restored.
if ((portletRequestPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (portletRequestPhase == Bridge.PortletPhase.EVENT_PHASE)) {
IncongruityContext incongruityContext = bridgeContext.getIncongruityContext();
Map<String, Object> incongruityAttributeMap = incongruityContext.getAttributes();
int mapSize = incongruityAttributeMap.size();
List<IncongruityAttribute> savedIncongruityAttributes =
new ArrayList<IncongruityAttribute>(mapSize);
Iterator<Map.Entry<String, Object>> itr = incongruityAttributeMap.entrySet().iterator();
while (itr.hasNext()) {
Map.Entry<String, Object> mapEntry = itr.next();
String name = mapEntry.getKey();
Object value = mapEntry.getValue();
logger.trace("Saving IncongruityContext attribute name=[{0}] value=[{1}]", name, value);
savedIncongruityAttributes.add(new IncongruityAttribute(name, value));
}
setAttribute(
BRIDGE_REQ_SCOPE_ATTR_INCONGRUITY_CONTEXT_ATTRIBUTES, savedIncongruityAttributes);
}
}
@SuppressWarnings("unchecked")
public void restoreState(FacesContext facesContext) {
logger.debug("restoreState(facesContext)");
boolean restoreNonExcludedRequestAttributes =
((beganInPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (beganInPhase == Bridge.PortletPhase.EVENT_PHASE)
|| (beganInPhase == Bridge.PortletPhase.RESOURCE_PHASE));
BridgeContext bridgeContext = BridgeContext.getCurrentInstance();
PortletPhase portletRequestPhase = bridgeContext.getPortletRequestPhase();
if (portletRequestPhase == Bridge.PortletPhase.RENDER_PHASE) {
if (!portletMode.equals(bridgeContext.getPortletRequest().getPortletMode())) {
setPortletModeChanged(true);
restoreNonExcludedRequestAttributes = false;
}
}
if ((beganInPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (beganInPhase == Bridge.PortletPhase.EVENT_PHASE)
|| (beganInPhase == Bridge.PortletPhase.RESOURCE_PHASE)) {
// Restore the view root that may have been saved during the ACTION_PHASE of the portlet
// lifecycle.
UIViewRoot uiViewRoot = (UIViewRoot) getAttribute(BRIDGE_REQ_SCOPE_ATTR_FACES_VIEW_ROOT);
if (uiViewRoot != null) {
facesContext.setViewRoot(uiViewRoot);
logger.debug("Restored viewId=[{0}] uiViewRoot=[{1}]", uiViewRoot.getViewId(), uiViewRoot);
} else {
logger.debug("Did not restore uiViewRoot");
}
// Restore the faces messages that may have been saved during the ACTION_PHASE of the portlet
// lifecycle.
List<FacesMessageWrapper> facesMessages =
(List<FacesMessageWrapper>) getAttribute(BRIDGE_REQ_SCOPE_ATTR_FACES_MESSAGES);
boolean restoredFacesMessages = false;
if (facesMessages != null) {
for (FacesMessageWrapper facesMessageWrapper : facesMessages) {
String clientId = facesMessageWrapper.getClientId();
FacesMessage facesMessage = facesMessageWrapper.getFacesMessage();
facesContext.addMessage(clientId, facesMessage);
logger.trace("Restored facesMessage=[{0}]", facesMessage.getSummary());
restoredFacesMessages = true;
}
}
if (restoredFacesMessages) {
logger.debug("Restored facesMessages");
} else {
logger.debug("Did not restore any facesMessages");
}
// NOTE: PROPOSE-FOR-BRIDGE3-API: https://issues.apache.org/jira/browse/PORTLETBRIDGE-203
// Restore the
// FacesContext attributes that may have been saved during the ACTION_PHASE of the portlet
// lifecycle.
restoreJSF2FacesContextAttributes(facesContext);
}
if (restoreNonExcludedRequestAttributes) {
// Restore the non-excluded request attributes.
List<RequestAttribute> savedRequestAttributes =
(List<RequestAttribute>) getAttribute(BRIDGE_REQ_SCOPE_ATTR_REQUEST_ATTRIBUTES);
boolean restoredNonExcludedRequestAttributes = false;
if (savedRequestAttributes != null) {
Map<String, Object> currentRequestAttributes =
facesContext.getExternalContext().getRequestMap();
// If a redirect did not occur, then restore the non-excluded request attributes.
if (!isRedirectOccurred()) {
for (RequestAttribute requestAttribute : savedRequestAttributes) {
String name = requestAttribute.getName();
Object value = requestAttribute.getValue();
logger.trace(
"Restoring non-excluded request attribute name=[{0}] value=[{1}]", name, value);
currentRequestAttributes.put(name, value);
restoredNonExcludedRequestAttributes = true;
}
}
}
if (restoredNonExcludedRequestAttributes) {
logger.debug("Restored non-excluded request attributes");
} else {
logger.debug("Did not restore any non-excluded request attributes");
}
}
// If running in the RENDER_PHASE, then the Flash scope must be restored.
if (portletRequestPhase == Bridge.PortletPhase.RENDER_PHASE) {
// NOTE: PROPOSED-FOR-BRIDGE3-API: https://issues.apache.org/jira/browse/PORTLETBRIDGE-201
// Restore the flash scope.
restoreFlashState(facesContext);
}
// If running in the RENDER_PHASE, then the incongruity context must be restored.
if (((beganInPhase == Bridge.PortletPhase.ACTION_PHASE)
|| (beganInPhase == Bridge.PortletPhase.EVENT_PHASE))
&& (portletRequestPhase == Bridge.PortletPhase.RENDER_PHASE)) {
List<IncongruityAttribute> savedIncongruityAttributes =
(List<IncongruityAttribute>)
getAttribute(BRIDGE_REQ_SCOPE_ATTR_INCONGRUITY_CONTEXT_ATTRIBUTES);
if (savedIncongruityAttributes != null) {
IncongruityContext incongruityContext = bridgeContext.getIncongruityContext();
Map<String, Object> incongruityContextAttributes = incongruityContext.getAttributes();
for (IncongruityAttribute incongruityAttribute : savedIncongruityAttributes) {
String key = incongruityAttribute.getName();
Object value = incongruityAttribute.getValue();
incongruityContextAttributes.put(key, value);
}
}
}
}