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/*
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*
* Copyright (c) 1997-2016 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
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* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.catalina.core;
import org.apache.catalina.Globals;
import org.apache.catalina.LogFacade;
import org.apache.catalina.security.SecurityUtil;
import javax.servlet.*;
import javax.servlet.descriptor.JspConfigDescriptor;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Facade object which masks the internal ApplicationContext
* object from the web application.
*
* @author Remy Maucherat
* @author Jean-Francois Arcand
* @version $Revision: 1.7.6.1 $ $Date: 2008/04/17 18:37:06 $
*/
public final class ApplicationContextFacade
implements ServletContext {
private static final Logger log = LogFacade.getLogger();
// ---------------------------------------------------------- Attributes
/**
* Cache Class object used for reflection.
*/
private static HashMap[]> classCache = new HashMap[]>();
static {
Class[] clazz = new Class[]{String.class};
classCache.put("addFilter", new Class[]{String.class, String.class});
classCache.put("addListener", clazz);
classCache.put("addServlet", new Class[]{String.class, String.class});
classCache.put("createFilter", new Class[]{Class.class});
classCache.put("createListener", new Class[]{Class.class});
classCache.put("createServlet", new Class[]{Class.class});
classCache.put("declareRoles", new Class[] {(new String[0]).getClass()});
classCache.put("getAttribute", clazz);
classCache.put("getContext", clazz);
classCache.put("getFilterRegistration", clazz);
classCache.put("getInitParameter", clazz);
classCache.put("getMimeType", clazz);
classCache.put("getNamedDispatcher", clazz);
classCache.put("getRealPath", clazz);
classCache.put("getResourcePaths", clazz);
classCache.put("getResource", clazz);
classCache.put("getResourceAsStream", clazz);
classCache.put("getRequestDispatcher", clazz);
classCache.put("getServlet", clazz);
classCache.put("getServletRegistration", clazz);
classCache.put("log", clazz);
classCache.put("removeAttribute", clazz);
classCache.put("setAttribute", new Class[]{String.class, Object.class});
classCache.put("setInitParameter", new Class[]{String.class, String.class});
classCache.put("setSessionTrackingModes", new Class[]{Set.class});
}
/**
* Cache method object.
*/
private HashMap objectCache;
// ----------------------------------------------------------- Constructors
/**
* Construct a new instance of this class, associated with the specified
* Context instance.
*
* @param context The associated Context instance
*/
public ApplicationContextFacade(ApplicationContext context) {
super();
this.context = context;
objectCache = new HashMap();
}
// ----------------------------------------------------- Instance Variables
/**
* Wrapped application context.
*/
private ApplicationContext context = null;
// ------------------------------------------------- ServletContext Methods
@Override
public String getContextPath() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String) doPrivileged("getContextPath", null);
} else {
return context.getContextPath();
}
}
@Override
public ServletContext getContext(String uripath) {
ServletContext theContext = null;
if (SecurityUtil.isPackageProtectionEnabled()) {
theContext = (ServletContext)
doPrivileged("getContext", new Object[]{uripath});
} else {
theContext = context.getContext(uripath);
}
if ((theContext != null) &&
(theContext instanceof ApplicationContext)){
theContext = ((ApplicationContext)theContext).getFacade();
}
return (theContext);
}
@Override
public int getMajorVersion() {
return context.getMajorVersion();
}
@Override
public int getMinorVersion() {
return context.getMinorVersion();
}
/**
* Gets the major version of the Servlet specification that the
* application represented by this ServletContext is based on.
*/
@Override
public int getEffectiveMajorVersion() {
return context.getEffectiveMajorVersion();
}
/**
* Gets the minor version of the Servlet specification that the
* application represented by this ServletContext is based on.
*/
@Override
public int getEffectiveMinorVersion() {
return context.getEffectiveMinorVersion();
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public String getMimeType(String file) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String)doPrivileged("getMimeType", new Object[]{file});
} else {
return context.getMimeType(file);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Set getResourcePaths(String path) {
if (SecurityUtil.isPackageProtectionEnabled()){
return (Set)doPrivileged("getResourcePaths",
new Object[]{path});
} else {
return context.getResourcePaths(path);
}
}
@Override
public URL getResource(String path)
throws MalformedURLException {
if (Globals.IS_SECURITY_ENABLED) {
try {
return (URL) invokeMethod(context, "getResource",
new Object[]{path});
} catch(Throwable t) {
if (t instanceof MalformedURLException){
throw (MalformedURLException)t;
}
return null;
}
} else {
return context.getResource(path);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public InputStream getResourceAsStream(String path) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (InputStream) doPrivileged("getResourceAsStream",
new Object[]{path});
} else {
return context.getResourceAsStream(path);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public RequestDispatcher getRequestDispatcher(final String path) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (RequestDispatcher) doPrivileged("getRequestDispatcher",
new Object[]{path});
} else {
return context.getRequestDispatcher(path);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public RequestDispatcher getNamedDispatcher(String name) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (RequestDispatcher) doPrivileged("getNamedDispatcher",
new Object[]{name});
} else {
return context.getNamedDispatcher(name);
}
}
/**
* @deprecated As of Java Servlet API 2.1, with no direct replacement.
*/
@Override
@Deprecated
public Servlet getServlet(String name)
throws ServletException {
if (SecurityUtil.isPackageProtectionEnabled()) {
try {
return (Servlet) invokeMethod(context, "getServlet",
new Object[]{name});
} catch (Throwable t) {
if (t instanceof ServletException) {
throw (ServletException) t;
}
return null;
}
} else {
return context.getServlet(name);
}
}
/**
* @deprecated As of Java Servlet API 2.1, with no direct replacement.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
@Deprecated
public Enumeration getServlets() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Enumeration) doPrivileged("getServlets", null);
} else {
return context.getServlets();
}
}
/**
* @deprecated As of Java Servlet API 2.1, with no direct replacement.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
@Deprecated
public Enumeration getServletNames() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Enumeration) doPrivileged("getServletNames", null);
} else {
return context.getServletNames();
}
}
@Override
public void log(String msg) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("log", new Object[]{msg} );
} else {
context.log(msg);
}
}
/**
* @deprecated As of Java Servlet API 2.1, use
* log(String, Throwable) instead
*/
@Override
@Deprecated
public void log(Exception exception, String msg) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("log", new Class[]{Exception.class, String.class},
new Object[]{exception,msg});
} else {
context.log(exception, msg);
}
}
@Override
public void log(String message, Throwable throwable) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("log", new Class[]{String.class, Throwable.class},
new Object[]{message, throwable});
} else {
context.log(message, throwable);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public String getRealPath(String path) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String) doPrivileged("getRealPath", new Object[]{path});
} else {
return context.getRealPath(path);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public String getServerInfo() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String) doPrivileged("getServerInfo", null);
} else {
return context.getServerInfo();
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public String getInitParameter(String name) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String) doPrivileged("getInitParameter",
new Object[]{name});
} else {
return context.getInitParameter(name);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Enumeration getInitParameterNames() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Enumeration) doPrivileged(
"getInitParameterNames", null);
} else {
return context.getInitParameterNames();
}
}
/**
* @return true if the context initialization parameter with the given
* name and value was set successfully on this ServletContext, and false
* if it was not set because this ServletContext already contains a
* context initialization parameter with a matching name
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public boolean setInitParameter(String name, String value) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return ((Boolean) doPrivileged(
"setInitParameter", new Object[]{name, value})).booleanValue();
} else {
return context.setInitParameter(name, value);
}
}
@Override
public Object getAttribute(String name) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return doPrivileged("getAttribute", new Object[]{name});
} else {
return context.getAttribute(name);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Enumeration getAttributeNames() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Enumeration) doPrivileged(
"getAttributeNames", null);
} else {
return context.getAttributeNames();
}
}
@Override
public void setAttribute(String name, Object object) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("setAttribute", new Object[]{name,object});
} else {
context.setAttribute(name, object);
}
}
@Override
public void removeAttribute(String name) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("removeAttribute", new Object[]{name});
} else {
context.removeAttribute(name);
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public String getServletContextName() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String) doPrivileged("getServletContextName", null);
} else {
return context.getServletContextName();
}
}
/*
* Adds the servlet with the given name and class name to this
* servlet context.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public ServletRegistration.Dynamic addServlet(
String servletName, String className) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (ServletRegistration.Dynamic) doPrivileged(
"addServlet", new Object[] {servletName, className});
} else {
return context.addServlet(servletName, className);
}
}
/*
* Registers the given servlet instance with this ServletContext
* under the given servletName.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public ServletRegistration.Dynamic addServlet(
String servletName, Servlet servlet) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (ServletRegistration.Dynamic) doPrivileged(
"addServlet", new Class[]{String.class, Servlet.class},
new Object[] {servletName, servlet});
} else {
return context.addServlet(servletName, servlet);
}
}
/*
* Adds the servlet with the given name and class type to this
* servlet context.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public ServletRegistration.Dynamic addServlet(String servletName,
Class servletClass) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (ServletRegistration.Dynamic) doPrivileged(
"addServlet", new Class[]{String.class, Class.class},
new Object[] {servletName, servletClass});
} else {
return context.addServlet(servletName, servletClass);
}
}
/**
* Instantiates the given Servlet class and performs any required
* resource injection into the new Servlet instance before returning
* it.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public T createServlet(Class clazz)
throws ServletException {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (T) doPrivileged(
"createServlet", new Object[] {clazz});
} else {
return context.createServlet(clazz);
}
}
/**
* Gets the ServletRegistration corresponding to the servlet with the
* given servletName.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public ServletRegistration getServletRegistration(String servletName) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (ServletRegistration) doPrivileged(
"getServletRegistration", new Object[] {servletName});
} else {
return context.getServletRegistration(servletName);
}
}
/**
* Gets a Map of the ServletRegistration objects corresponding to all
* currently registered servlets.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Map getServletRegistrations() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Map) doPrivileged(
"getServletRegistrations", null);
} else {
return context.getServletRegistrations();
}
}
/**
* Adds the filter with the given name and class name to this servlet
* context.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public FilterRegistration.Dynamic addFilter(
String filterName, String className) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (FilterRegistration.Dynamic) doPrivileged(
"addFilter", new Object[] {filterName, className});
} else {
return context.addFilter(filterName, className);
}
}
/*
* Registers the given filter instance with this ServletContext
* under the given filterName.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public FilterRegistration.Dynamic addFilter(
String filterName, Filter filter) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (FilterRegistration.Dynamic) doPrivileged(
"addFilter", new Class[]{String.class, Filter.class},
new Object[] {filterName, filter});
} else {
return context.addFilter(filterName, filter);
}
}
/**
* Adds the filter with the given name and class type to this servlet
* context.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public FilterRegistration.Dynamic addFilter(String filterName,
Class filterClass) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (FilterRegistration.Dynamic) doPrivileged(
"addFilter", new Class[]{String.class, Class.class},
new Object[] {filterName, filterClass});
} else {
return context.addFilter(filterName, filterClass);
}
}
/**
* Instantiates the given Filter class and performs any required
* resource injection into the new Filter instance before returning
* it.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public T createFilter(Class clazz)
throws ServletException {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (T) doPrivileged(
"createFilter", new Object[] {clazz});
} else {
return context.createFilter(clazz);
}
}
/**
* Gets the FilterRegistration corresponding to the filter with the
* given filterName.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public FilterRegistration getFilterRegistration(String filterName) {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (FilterRegistration) doPrivileged(
"getFilterRegistration", new Object[] {filterName});
} else {
return context.getFilterRegistration(filterName);
}
}
/**
* Gets a Map of the FilterRegistration objects corresponding to all
* currently registered filters.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Map getFilterRegistrations() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Map) doPrivileged(
"getFilterRegistrations", null);
} else {
return context.getFilterRegistrations();
}
}
/**
* Gets the SessionCookieConfig object through which various
* properties of the session tracking cookies created on behalf of this
* ServletContext may be configured.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public SessionCookieConfig getSessionCookieConfig() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (SessionCookieConfig) doPrivileged(
"getSessionCookieConfig", null);
} else {
return context.getSessionCookieConfig();
}
}
/**
* Sets the session tracking modes that are to become effective for this
* ServletContext.
*/
@Override
public void setSessionTrackingModes(Set sessionTrackingModes) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("setSessionTrackingModes",
new Object[]{sessionTrackingModes});
} else {
context.setSessionTrackingModes(sessionTrackingModes);
}
}
/**
* Gets the session tracking modes that are supported by default for this
* ServletContext.
*
* @return set of the session tracking modes supported by default for
* this ServletContext
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Set getDefaultSessionTrackingModes() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Set)
doPrivileged("getDefaultSessionTrackingModes", null);
} else {
return context.getDefaultSessionTrackingModes();
}
}
/**
* Gets the session tracking modes that are in effect for this
* ServletContext.
*
* @return set of the session tracking modes in effect for this
* ServletContext
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public Set getEffectiveSessionTrackingModes() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (Set)
doPrivileged("getEffectiveSessionTrackingModes", null);
} else {
return context.getEffectiveSessionTrackingModes();
}
}
/**
* Adds the listener with the given class name to this ServletContext.
*/
@Override
public void addListener(String className) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("addListener",
new Object[]{className});
} else {
context.addListener(className);
}
}
/**
* Adds the given listener to this ServletContext.
*/
@Override
public void addListener(T t) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("addListener",
new Class[]{EventListener.class},
new Object[]{t.getClass().getName()});
} else {
context.addListener(t);
}
}
/**
* Adds a listener of the given class type to this ServletContext.
*/
@Override
public void addListener(Class listenerClass) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("addListener",
new Class[]{Class.class},
new Object[]{listenerClass.getName()});
} else {
context.addListener(listenerClass);
}
}
/**
* Instantiates the given EventListener class and performs any
* required resource injection into the new EventListener instance
* before returning it.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public T createListener(Class clazz)
throws ServletException {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (T) doPrivileged(
"createListener", new Object[] {clazz});
} else {
return context.createListener(clazz);
}
}
/**
* Gets the <jsp-config> related configuration
* that was aggregated from the web.xml and
* web-fragment.xml descriptor files of the web application
* represented by this ServletContext.
*/
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public JspConfigDescriptor getJspConfigDescriptor() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (JspConfigDescriptor) doPrivileged("getJspConfigDescriptor",
null);
} else {
return context.getJspConfigDescriptor();
}
}
@Override
@SuppressWarnings("unchecked") // doPrivileged() returns the correct type
public ClassLoader getClassLoader() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (ClassLoader) doPrivileged("getClassLoader", null);
} else {
return context.getClassLoader();
}
}
@Override
public void declareRoles(String... roleNames) {
if (SecurityUtil.isPackageProtectionEnabled()) {
doPrivileged("declareRoles", roleNames);
} else {
context.declareRoles(roleNames);
}
}
@Override
public String getVirtualServerName() {
if (SecurityUtil.isPackageProtectionEnabled()) {
return (String)doPrivileged("getVirtualServerName", null);
} else {
return context.getVirtualServerName();
}
}
// START PWC 1.2
/**
* Gets the underlying StandardContext to which this
* ApplicationContextFacade is ultimately delegating.
*
* @return The underlying StandardContext
*/
/*
public StandardContext getUnwrappedContext() {
return context.getUnwrappedContext();
}
*/
// END PWC 1.2
/**
* Use reflection to invoke the requested method. Cache the method object
* to speed up the process
* will be invoked
* @param methodName The method to call.
* @param params The arguments passed to the called method.
*/
private Object doPrivileged(final String methodName, Object[] params){
try{
return invokeMethod(context, methodName, params);
}catch(Throwable t){
throw new RuntimeException(t.getMessage());
}
}
/**
* Use reflection to invoke the requested method. Cache the method object
* to speed up the process
* @param appContext The AppliationContext object on which the method
* will be invoked
* @param methodName The method to call.
* @param params The arguments passed to the called method.
*/
private Object invokeMethod(ApplicationContext appContext,
final String methodName,
Object[] params)
throws Throwable{
try{
Method method = objectCache.get(methodName);
if (method == null){
method = appContext.getClass()
.getMethod(methodName, classCache.get(methodName));
objectCache.put(methodName, method);
}
return executeMethod(method,appContext,params);
} catch (Exception ex){
handleException(ex, methodName);
return null;
}
}
/**
* Use reflection to invoke the requested method. Cache the method object
* to speed up the process
* @param methodName The method to call.
* @param clazz The list of argument classes for the given method
* @param params The arguments passed to the called method.
*/
private Object doPrivileged(final String methodName,
final Class[] clazz,
Object[] params){
try{
Method method = context.getClass().getMethod(methodName, clazz);
return executeMethod(method,context,params);
} catch (Exception ex){
try{
handleException(ex, methodName);
}catch (Throwable t){
throw new RuntimeException(t.getMessage());
}
return null;
}
}
/**
* Executes the method of the specified ApplicationContext
* @param method The method object to be invoked.
* @param context The AppliationContext object on which the method
* will be invoked
* @param params The arguments passed to the called method.
*/
private Object executeMethod(final Method method,
final ApplicationContext context,
final Object[] params)
throws PrivilegedActionException,
IllegalAccessException,
InvocationTargetException {
if (Globals.IS_SECURITY_ENABLED){
return AccessController.doPrivileged(new PrivilegedExceptionAction © 2015 - 2024 Weber Informatics LLC | Privacy Policy