litesoft
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package org.litesoft.GWT.server;
import java.io.*;
import javax.servlet.http.*;
import org.litesoft.bo.views.caching.*;
import org.litesoft.core.*;
public class ServletSessionHelper
{
public static ContextID callInit( HttpSession pHttpSession )
{
ContextID zContextID = getContextID( pHttpSession );
new ServerContext( zContextID, new OurServerSession( pHttpSession ) ).set();
return zContextID;
}
public static void callFini()
{
ServerContext.clear();
}
public static void chkInitialized()
{
if ( sCacheManager == null )
{
throw new IllegalStateException( "App Not Initialized" );
}
}
public static void initialize(VoCacheManager pCacheManager)
{
sCacheManager = (pCacheManager != null) ? pCacheManager : VoCacheManager.NULL;
}
private static volatile VoCacheManager sCacheManager = null; // In Theory this should be non-static, but the UserID needs to access it!
public static VoCacheManager getCacheManager()
{
return sCacheManager;
}
@SuppressWarnings({"SynchronizationOnLocalVariableOrMethodParameter"})
private static ContextID getContextID( HttpSession pHttpSession )
{
WrapperForContextID zWrapper;
synchronized ( pHttpSession )
{
if ( null == (zWrapper = (WrapperForContextID) pHttpSession.getAttribute( WrapperForContextID.SESSION_KEY )) )
{
pHttpSession.setAttribute( WrapperForContextID.SESSION_KEY, //
zWrapper = new WrapperForContextID( new ContextID( "HttpSession", pHttpSession.getId() ) ) );
}
}
return zWrapper.getContextID();
}
private static final class WrapperForContextID implements Serializable,
HttpSessionBindingListener
{
public static final String SESSION_KEY = WrapperForContextID.class.getName();
private ContextID mContextID;
private WrapperForContextID( ContextID pContextID )
{
mContextID = pContextID;
}
public ContextID getContextID()
{
return mContextID;
}
public void valueBound( HttpSessionBindingEvent event )
{
}
public void valueUnbound( HttpSessionBindingEvent event )
{
ServerContext.clearServerStore( mContextID );
sCacheManager.drop( mContextID );
}
}
private static class OurServerSession extends ServerSession
{
private HttpSession mSession;
private OurServerSession( HttpSession pSession )
{
mSession = pSession;
}
protected Serializable LLgetAttribute( String pName )
{
return (Serializable) mSession.getAttribute( pName );
}
protected void LLsetAttribute( String pName, Serializable pInstance )
{
mSession.setAttribute( pName, pInstance );
}
protected void LLremoveAttribute( String pName )
{
mSession.removeAttribute( pName );
}
}
}
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Revision |
Author |
Commited |
Message |
2
|
GeorgeS
|
Sun 07 Feb, 2010 12:50:58 +0000 |
|