List of usage examples for javax.servlet.http HttpSession getAttributeNames
public Enumeration<String> getAttributeNames();
Enumeration of String objects containing the names of all the objects bound to this session. From source file:net.big_oh.common.web.WebUtil.java
/** * //from w w w . j ava 2s . co m * Calculate an <b>approximation</b> of the memory consumed by the objects * stored under each attribute of a user's {@link HttpSession}. The estimate * will often be greater than the actual value because of "double counting" * objects that appear multiple times in the attribute value's object graph. * * @param session * An HttpSession object from any web application. * @return An <b>approximation</b> of the memory consumed for each attribute * <b>name</b> in the session. */ public static Map<String, Integer> getSessionAttributeNameToApproxSizeInBytesMap(HttpSession session) { // Use an IdentityHashMap because we don't want to miss distinct objects // that are equivalent according to equals(..) method. Map<String, Integer> sessionAttributeNameToApproxSizeInBytesMap = new IdentityHashMap<String, Integer>(); Enumeration<?> enumeration = session.getAttributeNames(); while (enumeration.hasMoreElements()) { String attributeName = (String) enumeration.nextElement(); session.getAttribute(attributeName); try { sessionAttributeNameToApproxSizeInBytesMap.put(attributeName, new Integer(approximateObjectSize(attributeName))); } catch (IOException ioe) { logger.error("Failed to approximate size of session attribute name: " + attributeName.getClass().getName(), ioe); sessionAttributeNameToApproxSizeInBytesMap.put(attributeName, new Integer(0)); } } return sessionAttributeNameToApproxSizeInBytesMap; }
From source file:org.craftercms.commons.http.HttpUtils.java
/** * Creates a map from the session attributes in the specified request. * * @param request the request//w w w . jav a 2 s. c o m */ public static Map<String, Object> createSessionMap(HttpServletRequest request) { Map<String, Object> sessionMap = new HashMap<>(); HttpSession session = request.getSession(false); if (session != null) { for (Enumeration attributeNameEnum = session.getAttributeNames(); attributeNameEnum .hasMoreElements();) { String attributeName = (String) attributeNameEnum.nextElement(); sessionMap.put(attributeName, session.getAttribute(attributeName)); } } return sessionMap; }
From source file:cn.bc.web.util.DebugUtils.java
public static StringBuffer getDebugInfo(HttpServletRequest request, HttpServletResponse response) { @SuppressWarnings("rawtypes") Enumeration e;//from w w w . j av a2 s .c o m String name; StringBuffer html = new StringBuffer(); //session HttpSession session = request.getSession(); html.append("<div><b>session:</b></div><ul>"); html.append(createLI("Id", session.getId())); html.append(createLI("CreationTime", new Date(session.getCreationTime()).toString())); html.append(createLI("LastAccessedTime", new Date(session.getLastAccessedTime()).toString())); //session:attributes e = session.getAttributeNames(); html.append("<li>attributes:<ul>\r\n"); while (e.hasMoreElements()) { name = (String) e.nextElement(); html.append(createLI(name, String.valueOf(session.getAttribute(name)))); } html.append("</ul></li>\r\n"); html.append("</ul>\r\n"); //request html.append("<div><b>request:</b></div><ul>"); html.append(createLI("URL", request.getRequestURL().toString())); html.append(createLI("QueryString", request.getQueryString())); html.append(createLI("Method", request.getMethod())); html.append(createLI("CharacterEncoding", request.getCharacterEncoding())); html.append(createLI("ContentType", request.getContentType())); html.append(createLI("Protocol", request.getProtocol())); html.append(createLI("RemoteAddr", request.getRemoteAddr())); html.append(createLI("RemoteHost", request.getRemoteHost())); html.append(createLI("RemotePort", request.getRemotePort() + "")); html.append(createLI("RemoteUser", request.getRemoteUser())); html.append(createLI("ServerName", request.getServerName())); html.append(createLI("ServletPath", request.getServletPath())); html.append(createLI("ServerPort", request.getServerPort() + "")); html.append(createLI("Scheme", request.getScheme())); html.append(createLI("LocalAddr", request.getLocalAddr())); html.append(createLI("LocalName", request.getLocalName())); html.append(createLI("LocalPort", request.getLocalPort() + "")); html.append(createLI("Locale", request.getLocale().toString())); //request:headers e = request.getHeaderNames(); html.append("<li>Headers:<ul>\r\n"); while (e.hasMoreElements()) { name = (String) e.nextElement(); html.append(createLI(name, request.getHeader(name))); } html.append("</ul></li>\r\n"); //request:parameters e = request.getParameterNames(); html.append("<li>Parameters:<ul>\r\n"); while (e.hasMoreElements()) { name = (String) e.nextElement(); html.append(createLI(name, request.getParameter(name))); } html.append("</ul></li>\r\n"); html.append("</ul>\r\n"); //response html.append("<div><b>response:</b></div><ul>"); html.append(createLI("CharacterEncoding", response.getCharacterEncoding())); html.append(createLI("ContentType", response.getContentType())); html.append(createLI("BufferSize", response.getBufferSize() + "")); html.append(createLI("Locale", response.getLocale().toString())); html.append("<ul>\r\n"); return html; }
From source file:com.googlecode.jtiger.modules.ecside.util.ExtremeUtils.java
public static int sessionSize(HttpSession session) { int total = 0; try {/*from ww w . j a v a 2s.com*/ java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream(); java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream(baos); Enumeration enumeration = session.getAttributeNames(); while (enumeration.hasMoreElements()) { String name = (String) enumeration.nextElement(); Object obj = session.getAttribute(name); oos.writeObject(obj); int size = baos.size(); total += size; logger.debug("The session name: " + name + " and the size is: " + size); } logger.debug("Total session size is: " + total); } catch (Exception e) { logger.error("Could not get the session size - " + ExceptionUtils.formatStackTrace(e)); } return total; }
From source file:org.toobsframework.pres.util.ParameterUtil.java
public static Map buildParameterMap(HttpServletRequest request, boolean compCall) { Map params = new HashMap(); HttpSession session = request.getSession(); Enumeration attributes = session.getAttributeNames(); // Session has lowest priority while (attributes.hasMoreElements()) { String thisAttribute = (String) attributes.nextElement(); //if (session.getAttribute(thisAttribute) instanceof String) { params.put(thisAttribute, session.getAttribute(thisAttribute)); //}/*from w w w . j av a 2s . co m*/ } // Parameters next highest params.putAll(request.getParameterMap()); // Attributes rule all attributes = request.getAttributeNames(); while (attributes.hasMoreElements()) { String thisAttribute = (String) attributes.nextElement(); if (!excludedParameters.contains(thisAttribute)) { if (log.isDebugEnabled()) { log.debug("Putting " + thisAttribute + " As " + request.getAttribute(thisAttribute)); } params.put(thisAttribute, request.getAttribute(thisAttribute)); } } params.put("httpQueryString", request.getQueryString()); if (compCall && request.getMethod().equals("POST")) { StringBuffer qs = new StringBuffer(); Iterator iter = request.getParameterMap().entrySet().iterator(); int i = 0; while (iter.hasNext()) { Map.Entry entry = (Map.Entry) iter.next(); String key = (String) entry.getKey(); String[] value = (String[]) entry.getValue(); for (int j = 0; j < value.length; j++) { if (i > 0) qs.append("&"); qs.append(key).append("=").append(value[j]); i++; } } params.put("httpQueryString", qs.toString()); } return params; }
From source file:de.zib.gndms.kit.monitor.GroovyMoniServlet.java
/** * Tries to destroy the current session and reclaim associated resources * * @param requestWrapper//from www . j av a 2 s . c o m * @return true, if the session was destroyed. false, if there was none. */ @SuppressWarnings({ "unchecked" }) private static boolean didDestroySessionOnRequest(@NotNull HttpServletRequest requestWrapper) { if ("destroy".equalsIgnoreCase(requestWrapper.getParameter("m"))) { final HttpSession session = getSessionOrFail(requestWrapper); if (session != null) { synchronized (session) { final Enumeration<String> attrs = (Enumeration<String>) session.getAttributeNames(); while (attrs.hasMoreElements()) session.removeAttribute(attrs.nextElement()); session.invalidate(); } } return true; } else return false; }
From source file:de.betterform.agent.web.WebUtil.java
public static void printSessionKeys(HttpSession session) { if (LOGGER.isDebugEnabled()) { LOGGER.debug("--------------- http session dump ---------------"); Enumeration keys = session.getAttributeNames(); if (keys.hasMoreElements()) { while (keys.hasMoreElements()) { String s = (String) keys.nextElement(); LOGGER.debug("sessionkey: " + s + ":" + session.getAttribute(s)); }/* www.jav a 2 s . c o m*/ } else { LOGGER.debug("--- no keys present in session ---"); } } }
From source file:org.opencms.jsp.CmsJspTagUserTracking.java
/** * Removes all session attributes starting with the given prefixes.<p> * /*from w w w . jav a 2s.c om*/ * @param prefixes the prefixes of the session attributes to remove * @param req the current request */ protected static void removeSessionAttributes(String[] prefixes, HttpServletRequest req) { HttpSession session = req.getSession(true); Enumeration<String> en = session.getAttributeNames(); while (en.hasMoreElements()) { String attrKey = en.nextElement(); for (int i = 0; i < prefixes.length; i++) { if (attrKey.startsWith(prefixes[i])) { session.removeAttribute(attrKey); } } } }
From source file:org.jbpcc.admin.jsf.JsfUtil.java
@SuppressWarnings("unchecked") public static void cleanHttpSession() { HttpSession session = (HttpSession) getCurrentFacesContext().getExternalContext().getSession(true); SessionObjectKey sessionObjKeyArray[] = SessionObjectKey.values(); for (SessionObjectKey objectKey : sessionObjKeyArray) { session.removeAttribute(objectKey.getKey()); }/*from www. j ava 2s . c o m*/ java.util.Enumeration attrs = session.getAttributeNames(); while (attrs.hasMoreElements()) { String attr = (String) attrs.nextElement(); if (attr.endsWith("Bean")) { session.removeAttribute(attr); } } }
From source file:com.googlecode.psiprobe.tools.ApplicationUtils.java
public static ApplicationSession getApplicationSession(Session session, boolean calcSize, boolean addAttributes) { ApplicationSession sbean = null;//from w ww. ja v a 2 s. c o m if (session != null && session.isValid()) { sbean = new ApplicationSession(); sbean.setId(session.getId()); sbean.setCreationTime(new Date(session.getCreationTime())); sbean.setLastAccessTime(new Date(session.getLastAccessedTime())); sbean.setMaxIdleTime(session.getMaxInactiveInterval() * 1000); sbean.setManagerType(session.getManager().getClass().getName()); //sbean.setInfo(session.getInfo()); //TODO:fixmee boolean sessionSerializable = true; int attributeCount = 0; long size = 0; HttpSession httpSession = session.getSession(); Set processedObjects = new HashSet(1000); //Exclude references back to the session itself processedObjects.add(httpSession); try { for (Enumeration e = httpSession.getAttributeNames(); e.hasMoreElements();) { String name = (String) e.nextElement(); Object o = httpSession.getAttribute(name); sessionSerializable = sessionSerializable && o instanceof Serializable; long oSize = 0; if (calcSize) { try { oSize += Instruments.sizeOf(name, processedObjects); oSize += Instruments.sizeOf(o, processedObjects); } catch (Throwable th) { logger.error("Cannot estimate size of attribute \"" + name + "\"", th); // // make sure we always re-throw ThreadDeath // if (e instanceof ThreadDeath) { throw (ThreadDeath) e; } } } if (addAttributes) { Attribute saBean = new Attribute(); saBean.setName(name); saBean.setType(ClassUtils.getQualifiedName(o.getClass())); saBean.setValue(o); saBean.setSize(oSize); saBean.setSerializable(o instanceof Serializable); sbean.addAttribute(saBean); } attributeCount++; size += oSize; } String lastAccessedIP = (String) httpSession.getAttribute(ApplicationSession.LAST_ACCESSED_BY_IP); if (lastAccessedIP != null) { sbean.setLastAccessedIP(lastAccessedIP); } try { sbean.setLastAccessedIPLocale( InetAddressLocator.getLocale(InetAddress.getByName(lastAccessedIP).getAddress())); } catch (Throwable e) { logger.error("Cannot determine Locale of " + lastAccessedIP); // // make sure we always re-throw ThreadDeath // if (e instanceof ThreadDeath) { throw (ThreadDeath) e; } } } catch (IllegalStateException e) { logger.info("Session appears to be invalidated, ignore"); } sbean.setObjectCount(attributeCount); sbean.setSize(size); sbean.setSerializable(sessionSerializable); } return sbean; }