本文整理匯總了Java中javax.faces.context.ExternalContext.getSessionMap方法的典型用法代碼示例。如果您正苦於以下問題:Java ExternalContext.getSessionMap方法的具體用法?Java ExternalContext.getSessionMap怎麽用?Java ExternalContext.getSessionMap使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.faces.context.ExternalContext
的用法示例。
在下文中一共展示了ExternalContext.getSessionMap方法的14個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: encodeAllAsElement
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
@Override
protected void encodeAllAsElement(
FacesContext context,
RenderingContext rc,
UIComponent component,
FacesBean bean
) throws IOException
{
// call super...
super.encodeAllAsElement(context, rc, component, bean);
// now evaluate the EL
// We need to evaluate it here and store it on the sessionMap because
// during UploadedFileProcessor.processFile() there is no FacesContext
RequestContext requestContext = RequestContext.getCurrentInstance();
Object maxMemory = requestContext.getUploadedFileMaxMemory();
Object maxDiskSpace = requestContext.getUploadedFileMaxDiskSpace();
Object tempDir = requestContext.getUploadedFileTempDir();
ExternalContext external = context.getExternalContext();
Map<String, Object> sessionMap = external.getSessionMap();
sessionMap.put(UploadedFileProcessor.MAX_MEMORY_PARAM_NAME, maxMemory);
sessionMap.put(UploadedFileProcessor.MAX_DISK_SPACE_PARAM_NAME, maxDiskSpace);
sessionMap.put(UploadedFileProcessor.TEMP_DIR_PARAM_NAME, tempDir);
}
示例2: setupRequest
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Sets up a request for handling by the UploadedFileProcessor. Currently this
* copies a number of attributes from session to the request so that the
* UploadedFileProcessor can function accordingly.
*
* @param req
*/
public static void setupRequest(ExternalContext ec)
{
//Check for Session. If we don't have one, there is no need to set up request
//attributes
if(null != ec.getSession(false))
{
Map<String, Object> sessionMap = ec.getSessionMap();
Map<String, Object> requestMap = ec.getRequestMap();
for(String attribute:_COPIED_ATTRIBUTES)
{
requestMap.put(attribute, sessionMap.get(attribute));
}
}
}
示例3: getUser
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
public User getUser() {
final ExternalContext context = FacesContext.getCurrentInstance().getExternalContext();
final Map<String, Object> session = context.getSessionMap();
final Object user = session.get(USER);
if (user != null) {
try {
int userId = (int) user;
return service.findById(userId);
} catch (ClassCastException e) {
LOG.error("User in session not well formatted.");
redirectLogin(context);
}
}else{
context.invalidateSession();
redirectLogin(context);
}
return null;
}
示例4: getWindowMap
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Returns a Map of objects associated with the current window if any. If there is no
* current window, the Session Map is returned.
* @return Map for storing objects associated with the current window.
* @see org.apache.myfaces.trinidad.context.Window#getWindowMap
*/
public Map<String, Object> getWindowMap()
{
WindowManager wm = getWindowManager();
ExternalContext extContext = FacesContext.getCurrentInstance().getExternalContext();
Window window = wm.getCurrentWindow(extContext);
if (window != null)
{
return window.getWindowMap();
}
else
{
return extContext.getSessionMap();
}
}
示例5: _getRequest
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
private ServletRequest _getRequest(ExternalContext ec)
{
String uid = ec.getRequestParameterMap().get(_LAUNCH_KEY);
if(uid != null)
{
/**
* We use pageflow scope so that if something fails on the redirect, we
* have a chance of getting cleaned up early. This will not always happen
* so the object may stick around for a while.
*/
Map<String, Object> sessionMap = ec.getSessionMap();
LaunchData data = (LaunchData)sessionMap.remove(_getKey(uid));
//We are returning from a dialog:
if(data != null)
{
Map<String, Object> requestMap = ec.getRequestMap();
//Setting the flag to properly support isExecutingDialogReturn.
//This is needed for isExecutingDialogReturn.
requestMap.put(_IS_RETURNING_KEY, Boolean.TRUE);
UIViewRoot launchView = data.getLaunchView();
if(launchView != null)
{
requestMap.put(RequestContextImpl.LAUNCH_VIEW, data.getLaunchView());
}
return new ReplaceParametersRequestWrapper(
(HttpServletRequest) ec.getRequest(),
data.getLaunchParam());
}
}
return (ServletRequest)ec.getRequest();
}
示例6: _clearViewRootCache
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
private void _clearViewRootCache(ExternalContext extContext, String newActivePageStateKey)
{
Map<String, Object> sessionMap = extContext.getSessionMap();
// clear out all of the previous PageStates' UIViewRoots and add this page
// state as an active page state. This is necessary to avoid UIViewRoots
// laying around if the user navigates off of a page using a GET
synchronized(extContext.getSession(true))
{
// Get the session key under which we will store the session key of the PageState object holding
// the cached UIViewRoot. We can either store one cached UIViewRoot per window or one
// UIViewRoot for the entire session.
//
// We only store the token rather than
// the view state itself here in order to keep fail-over Serialization from Serializing this
// state twice, once where it appears here and the second time in the token map itself
// See Trinidad-1779
String keyToActivePageStateKey = (_CACHE_VIEW_ROOT_PER_WINDOW)
? _getActivePageTokenKey(extContext, RequestContext.getCurrentInstance())
: _ACTIVE_PAGE_TOKEN_SESSION_KEY;
String oldActivePageStateKey = (String)sessionMap.get(keyToActivePageStateKey);
// we only need to clear out the UIViewRoot state if we're actually changing pages and thus tokens.
if (!newActivePageStateKey.equals(oldActivePageStateKey))
{
if (oldActivePageStateKey != null)
{
PageState activePageState = (PageState)sessionMap.get(oldActivePageStateKey);
if (activePageState != null)
{
activePageState.clearViewRootState();
}
}
sessionMap.put(keyToActivePageStateKey, newActivePageStateKey);
}
}
}
示例7: removeViewStatesForWindow
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Removes all view states per token cache identified by a <code>windowId</code>. When token state saving is used,
* a token cache is created for each unique window. The windowId is used to locate the token cache. Each PageState
* is located in session scope by a composite key that contains both the window id and state token. When a system window
* closed event is generated, this operation should be called to purge stale view state.
*
* @param extContext faces external context
* @param windowId window id to store the state token under
*/
public static void removeViewStatesForWindow(ExternalContext extContext, String windowId)
{
// build a key used to locate the token cache for the target windowId
// Can't call _getTokenCacheKey() because it doesn't
// take a window id, so directly calling _getPerWindowCacheKey
String cacheKey = _getPerWindowCacheKey(windowId, _VIEW_CACHE_KEY, null);
// use the helper factory method to locate a token cache for the window. the 3rd actual parameter is false
// indicating that a new cache should not be created if it doesn't exist.
TokenCache cache = TokenCache.getTokenCacheFromSession(extContext, cacheKey, false, -1);
if (cache != null)
{
// create a sub key that is used by the SubKeyMap to locate PageState per token
// Can't call _getViewCacheKey() because it doesn't
// take a window id, so directly calling _getPerWindowCacheKey
String subkey = _getPerWindowCacheKey(windowId, _VIEW_CACHE_KEY, _SUBKEY_SEPARATOR);
Map<String, Object> sessionMap = extContext.getSessionMap();
// create a map that establishes a moniker (key) between the windowId and token cache used to locate the
// associated page state.
Map<String, PageState> stateMap = new SubKeyMap<PageState>(sessionMap, subkey);
// removes all page states known by the token cache from session
cache.clear(stateMap);
// removes the token cache
sessionMap.remove(cacheKey);
}
}
示例8: _getPageState
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Returns the PageState for a state token
* @param external
* @param token
* @return
*/
private static PageState _getPageState(ExternalContext external, String token)
{
// get view cache key with "." separator suffix to separate the SubKeyMap keys
String subkey = _getViewCacheKey(external,
RequestContext.getCurrentInstance(),
_SUBKEY_SEPARATOR);
Map<String, PageState> stateMap = new SubKeyMap<PageState>(
external.getSessionMap(),
subkey);
return stateMap.get(token);
}
示例9: getTokenCacheFromSession
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Gets a TokenCache from the session, creating it if needed.
*/
@SuppressWarnings("unchecked")
static public TokenCache getTokenCacheFromSession(
ExternalContext extContext,
String cacheName,
boolean createIfNeeded,
int defaultSize)
{
Map<String, Object> sessionMap = extContext.getSessionMap();
TokenCache cache = (TokenCache)sessionMap.get(cacheName);
if (cache == null)
{
if (createIfNeeded)
{
Object session = extContext.getSession(true);
// Synchronize on the session object to ensure that
// we don't ever create two different caches
synchronized (session)
{
cache = (TokenCache)sessionMap.get(cacheName);
if (cache == null)
{
// create the TokenCache with the crytographically random seed
cache = new TokenCache(defaultSize, _getSeed(), cacheName);
sessionMap.put(cacheName, cache);
}
}
}
}
return cache;
}
示例10: _handleDialogReturn
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
private void _handleDialogReturn(ExternalContext ec)
throws IOException
{
Map<String, Object> reqMap = ec.getRequestMap();
if(Boolean.TRUE.equals(reqMap.get(DialogServiceImpl.DIALOG_RETURN)))
{
/**
* We use pageflow scope so that if something fails on the redirect, we
* have a chance of getting cleaned up early. This will not always happen
* so the object may stick around for a while.
*/
Map<String, Object> sessionMap = ec.getSessionMap();
String uid = UUID.randomUUID().toString();
LaunchData data = new LaunchData((UIViewRoot)reqMap.get(RequestContextImpl.LAUNCH_VIEW), (Map<String, String[]>) reqMap.get(RequestContextImpl.LAUNCH_PARAMETERS));
sessionMap.put(_getKey(uid), data);
//Construct URL
//TODO: sobryan I believe some of this can be added to the RequestContextUtils to allow
// this url to be constructed for both portlet and servlet environments. We'll want to research.
HttpServletRequest req = (HttpServletRequest) ec.getRequest();
StringBuffer url = req.getRequestURL().append("?");
String queryStr = req.getQueryString();
if((queryStr != null) && (queryStr.trim().length() >0))
{
url.append(queryStr)
.append("&");
}
url.append(_LAUNCH_KEY)
.append("=")
.append(uid);
//Extensions to Trinidad may have alternatve means of handling PPR. This
//flag allows those extensions to for the <redirect> AJAX message to be returned.
if (RequestContext.getCurrentInstance().isPartialRequest(_PSEUDO_FACES_CONTEXT.get()) ||
Boolean.TRUE.equals(RequestStateMap.getInstance(ec).get(_FORCE_PPR_DIALOG_RETURN)))
{
//Special handling for XmlHttpRequest. Would be cool to handle this much cleaner.
HttpServletResponse resp = (HttpServletResponse) ec.getResponse();
XmlHttpConfigurator.sendXmlRedirect(resp.getWriter(), url.toString());
}
else
{
ec.redirect(url.toString());
}
}
}
示例11: _saveStateToCache
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
private Object _saveStateToCache(FacesContext context, Object viewState, UIViewRoot root)
{
ExternalContext extContext = context.getExternalContext();
RequestContext trinContext = RequestContext.getCurrentInstance();
TokenCache cache = _getViewCache(trinContext, extContext);
assert(cache != null);
// get per window view cache key with "." separator suffix to separate the SubKeyMap keys
String subkey = _getViewCacheKey(extContext, trinContext, _SUBKEY_SEPARATOR);
Map<String, Object> sessionMap = extContext.getSessionMap();
SubKeyMap<PageState> stateMap = new SubKeyMap<PageState>(sessionMap, subkey);
// Sadly, we can't save just a SerializedView, because we should
// save a serialized object, and SerializedView is a *non*-static
// inner class of StateManager
PageState pageState = new PageState(
context,
_getOrCreateViewRootStateRefFactory(context, trinContext),
viewState,
// Save the view root into the page state as a transient
// if this feature has not been disabled
root);
String requestToken = _getRequestTokenForResponse(context);
String token;
// If we have a cached token that we want to reuse,
// and that token hasn't disappeared from the cache already
// (unlikely, but not impossible), use the stateMap directly
// without asking the cache for a new token
if ((requestToken != null) && cache.isAvailable(requestToken))
{
// NOTE: under *really* high pressure, the cache might
// have been emptied between the isAvailable() call and
// this put(). This seems sufficiently implausible to
// be worth punting on
stateMap.put(requestToken, pageState);
token = requestToken;
// NOTE 2: we have not pinned this reused state to any old state
// This is OK for current uses of pinning and state reuse,
// as pinning stays constant within a window, and we're not
// erasing pinning at all.
}
else
{
// See if we should pin this new state to any old state
String pinnedToken = (String)extContext.getRequestMap().get(_PINNED_STATE_TOKEN_KEY);
token = cache.addNewEntry(pageState,
stateMap,
pinnedToken);
}
assert(token != null);
// And store the token for this request
extContext.getRequestMap().put(_REQUEST_STATE_TOKEN_KEY, token);
// clear out the view root cache, passing in the session key for the new active state
String newActivePageStateKey = stateMap.getBaseKey(token);
_clearViewRootCache(extContext, newActivePageStateKey);
// Create a "tokenView" which abuses state to store
// our token only
return new Object[]{token, null};
}
示例12: remapViewState
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Give a valid state token not associated with a window, change it to be associated with
* the specified window Id.
* @param external The ExternalContext
* @param windowId window id to store the state token under
* @param token The state token to remap from windowless to windowed
*/
public static void remapViewState(ExternalContext external, String windowId, String token)
{
// remove the view state stored with no associated window from the session
String oldSubkey = _getViewCacheKey(external, null, _SUBKEY_SEPARATOR);
Map<String, Object> sessionMap = external.getSessionMap();
Map<String, PageState> oldStateMap = new SubKeyMap<PageState>(sessionMap, oldSubkey);
PageState viewState = oldStateMap.remove(token);
if (viewState == null)
throw new IllegalArgumentException();
// store it under the windowId
String windowSubkey = _getPerWindowCacheKey(windowId, _VIEW_CACHE_KEY, _SUBKEY_SEPARATOR);
Map<String, PageState> newStateMap = new SubKeyMap<PageState>(sessionMap, windowSubkey);
newStateMap.put(token, viewState);
}
示例13: SerializationChecker
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Creates a SerializationChecker for this request
* @param extContext ExternalContext to use to initialize the SerializationChecker
* @param checkSession If true check serializability of session attributes
* @param checkApplication if true, check serializability of application attributes
* @param checkManagedBeanMutation if true, check for mutations to attributes in the session
* if checkSession is true and the application if
* checkApplication is true.
*/
private SerializationChecker(
ExternalContext extContext,
boolean checkSession,
boolean checkApplication,
boolean checkManagedBeanMutation,
boolean checkSessionAtEnd)
{
Map<String, Object> sessionMap = extContext.getSessionMap();
Map<String, Object> applicationMap = extContext.getApplicationMap();
if (checkManagedBeanMutation)
{
// note that the mutated bean checekd implicitly checks for attribute serialization as well.
_sessionBeanChecker = new MutatedBeanChecker(sessionMap,
"Session",
extContext.getSession(true),
true);
sessionMap = CollectionUtils.newMutationHookedMap(sessionMap, _sessionBeanChecker);
// only check the application for mutations if the application checking is enabled
if (checkApplication)
{
_applicationBeanChecker = new MutatedBeanChecker(applicationMap,
"Application",
extContext.getContext(),
false);
applicationMap = CollectionUtils.newMutationHookedMap(applicationMap,
_applicationBeanChecker);
}
else
{
_applicationBeanChecker = null;
}
}
else
{
_sessionBeanChecker = null;
_applicationBeanChecker = null;
if (checkSession)
{
sessionMap = CollectionUtils.getCheckedSerializationMap(sessionMap, true);
}
if (checkApplication)
{
applicationMap = CollectionUtils.getCheckedSerializationMap(applicationMap, false);
}
}
_sessionMap = sessionMap;
_applicationMap = applicationMap;
_checkSessionAttrs = checkSessionAtEnd;
}
示例14: _getChangesForView
import javax.faces.context.ExternalContext; //導入方法依賴的package包/類
/**
* Gets the in-order list of component changes for the given view.
* @param context The FacesContext instance for this request.
* @param sessionKey The composite session key based on the viewId
* @param createIfNecessary Indicates whether the underlying datastructures
* that store the component changes needs to be created if absent.
* @return The ChangesForView object containing information about the changes for the specified
* viewId, including in-order list of component changes for the supplied view. This
* will be in the same order in which the component changes were added through
* calls to <code>addComponentChange()</code>.
*/
private ChangesForView _getChangesForView(
FacesContext context,
String sessionKey,
boolean createIfNecessary)
{
ExternalContext extContext = context.getExternalContext();
Map<String, Object> sessionMap = extContext.getSessionMap();
Object changes = sessionMap.get(sessionKey);
if (changes == null)
{
if (createIfNecessary)
{
// make sure we only create this viewId's changes entry once
Object session = extContext.getSession(true);
synchronized (session)
{
changes = sessionMap.get(sessionKey);
if (changes == null)
{
ChangesForView changesForView = new ChangesForView(true);
sessionMap.put(sessionKey, changesForView);
return changesForView; // return the newly created changes
}
else
{
return (ChangesForView)changes; // another thread created the changes for us
}
}
}
else
{
return _EMPTY_CHANGES; // no changes and we aren't allowed to create them
}
}
else
{
return (ChangesForView)changes; // we have the changes
}
}