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  /*
   * JBoss, Home of Professional Open Source.
   * Copyright 2010, Red Hat Middleware LLC, and individual contributors
   * as indicated by the @author tags. See the copyright.txt file in the
   * distribution for a full listing of individual contributors.
   *
   * This is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as
   * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
 package org.picketlink.trust.jbossws.jaas;
 
 
 
 import  org.jboss.security.SecurityContext;
 import  org.jboss.security.SecurityContextAssociation;
 import  org.jboss.security.SecurityContextFactory;

Privileged actions.

Author(s):
Marcus Moyses
Anil Saldhana
Version:
$Revision: 1 $
 
 class SecurityActions {
     static SecurityContext createSecurityContext(final Principal pfinal Object credfinal Subject subject) {
         SecurityManager sm = System.getSecurityManager();
         
         if (sm != null) {
             return AccessController.doPrivileged(new PrivilegedAction<SecurityContext>() {
                 public SecurityContext run() {
                     SecurityContext sc = null;
                     try {
                         sc = SecurityContextFactory.createSecurityContext(pcredsubject"SAML2_HANDLER");
                     } catch (Exception e) {
                         throw new RuntimeException(e);
                     }
                     return sc;
                 }
             });
         } else {
             SecurityContext sc = null;
             try {
                 sc = SecurityContextFactory.createSecurityContext(pcredsubject"SAML2_HANDLER");
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }
             return sc;
         }
     }
 
     static void setSecurityContext(final SecurityContext sc) {
         SecurityManager sm = System.getSecurityManager();
         
         if (sm != null) {
             AccessController.doPrivileged(new PrivilegedAction<Object>() {
                 public Object run() {
                     SecurityContextAssociation.setSecurityContext(sc);
                     return null;
                 }
             });
         } else {
             SecurityContextAssociation.setSecurityContext(sc);
         }
     }
 
     static SecurityContext getSecurityContext() {
         SecurityManager sm = System.getSecurityManager();
         
         if (sm != null) {
             return AccessController.doPrivileged(new PrivilegedAction<SecurityContext>() {
                 public SecurityContext run() {
                     return SecurityContextAssociation.getSecurityContext();
                 }
             });
         } else {
             return SecurityContextAssociation.getSecurityContext();
         }
     }

    
Get the Subject from the SecurityContextAssociation

Returns:
authenticated subject or null
    static Subject getAuthenticatedSubject() {
        SecurityManager sm = System.getSecurityManager();
        
        if (sm != null) {
            return AccessController.doPrivileged(new PrivilegedAction<Subject>() {
                public Subject run() {
                    SecurityContext sc = SecurityContextAssociation.getSecurityContext();
                    if (sc != null)
                        return sc.getUtil().getSubject();
                    return null;
                }
            });
        } else {
            SecurityContext sc = SecurityContextAssociation.getSecurityContext();
            if (sc != null)
                return sc.getUtil().getSubject();
            return null;
        }
    }

    

Returns a system property value using the specified key. If not found the defaultValue will be returned.

Parameters:
key
defaultValue
Returns:
    static String getSystemProperty(final String keyfinal String defaultValue) {
        SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            return AccessController.doPrivileged(new PrivilegedAction<String>() {
                public String run() {
                    return System.getProperty(keydefaultValue);
                }
            });
        } else {
            return System.getProperty(keydefaultValue);
        }
    }

    
Set the system property

Parameters:
key
value
    static void setSystemProperty(final String keyfinal String value) {
        if (System.getSecurityManager() != null) {
            AccessController.doPrivileged(new PrivilegedAction<Object>() {
                public Object run() {
                    System.setProperty(keyvalue);
                    return null;
                }
            });
        } else {
            System.setProperty(keyvalue);
        }
    }
    static ClassLoader getClassLoader(final Class<?> clazz) {
        SecurityManager sm = System.getSecurityManager();
        
        if (sm != null) {
            return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
                public ClassLoader run() {
                    return clazz.getClassLoader();
                }
            });
        } else {
            return clazz.getClassLoader();
        }
    }
        SecurityManager sm = System.getSecurityManager();
        
        if (sm != null) {        
            return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
                public ClassLoader run() {
                    return Thread.currentThread().getContextClassLoader();
                }
            });
        } else {
            return Thread.currentThread().getContextClassLoader();
        }
    }
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