com.sun.enterprise.iiop.security.ConnectionExecutionContext Maven / Gradle / Ivy
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package com.sun.enterprise.iiop.security;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Hashtable;
/**
* This class that implements ConnectionExecutionContext that gets
* stored in Thread Local Storage. If the current thread creates
* child threads, the context info that is stored in the current
* thread is automatically propogated to the child threads.
*
* Two class methods serve as a convinient way to set/get the
* Context information within the current thread.
*
* Thread Local Storage is a concept introduced in JDK1.2. So, it
* will not work on earlier releases of JDK.
*
* @see java.lang.ThreadLocal
* @see java.lang.InheritableThreadLocal
*
*/
public class ConnectionExecutionContext {
public static final String IIOP_CLIENT_PER_THREAD_FLAG =
"com.sun.appserv.iiopclient.perthreadauth";
private static final boolean isPerThreadAuth;
static {
Boolean b = (Boolean) AccessController.doPrivileged( new PrivilegedAction(){
@Override
public Object run() {
return new Boolean(Boolean.getBoolean(IIOP_CLIENT_PER_THREAD_FLAG));
}
});
isPerThreadAuth = b.booleanValue();
}
//private static final InheritableThreadLocal connCurrent= new InheritableThreadLocal();
private static final ThreadLocal connCurrent= (isPerThreadAuth) ? new ThreadLocal() : new InheritableThreadLocal();
// XXX: Workaround for non-null connection object ri for local invocation.
private static final ThreadLocal ClientThreadID = new ThreadLocal();
public static Long readClientThreadID() {
Long ID = ClientThreadID.get();
//ClientThreadID.remove();
return ID;
}
public static void setClientThreadID(Long ClientThreadID) {
ConnectionExecutionContext.ClientThreadID.set(ClientThreadID);
}
public static void removeClientThreadID() {
ClientThreadID.remove();
}
/**
* This method can be used to add a new hashtable for storing the
* Thread specific context information. This method is useful to add a
* deserialized Context information that arrived over the wire.
* @param A hashtable that stores the current thread's context
* information.
*/
public static void setContext(Hashtable ctxTable) {
if (ctxTable != null) {
connCurrent.set(ctxTable);
} else {
connCurrent.set(new Hashtable());
}
}
/**
* This method returns the hashtable that stores the thread specific
* Context information.
* @return The Context object stored in the current TLS. It always
* returns a non null value;
*/
public static Hashtable getContext() {
if (connCurrent.get() == null) {
setContext(null); // Create a new one...
}
return (Hashtable) connCurrent.get();
}
}