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// This Source Code is in the Public Domain per: http://unlicense.org |
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package org.litesoft.GWT.server; |
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import java.io.*; |
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import javax.servlet.http.*; |
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import org.litesoft.bo.views.caching.*; |
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import org.litesoft.core.*; |
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public class ServletSessionHelper |
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{ |
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public static ContextID callInit( HttpSession pHttpSession ) |
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{ |
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import javax.servlet.http.*; |
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import java.io.*; |
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public class ServletSessionHelper { |
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public static ContextID callInit( HttpSession pHttpSession ) { |
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ContextID zContextID = getContextID( pHttpSession ); |
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new ServerContext( zContextID, new OurServerSession( pHttpSession ) ).set(); |
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return zContextID; |
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} |
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public static void callFini() |
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{ |
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public static void callFini() { |
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ServerContext.clear(); |
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} |
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public static void chkInitialized() |
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{ |
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if ( sCacheManager == null ) |
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{ |
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public static void chkInitialized() { |
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if ( sCacheManager == null ) { |
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throw new IllegalStateException( "App Not Initialized" ); |
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} |
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} |
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public static void initialize( VoCacheManager pCacheManager ) |
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{ |
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public static void initialize( VoCacheManager pCacheManager ) { |
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sCacheManager = (pCacheManager != null) ? pCacheManager : VoCacheManager.NULL; |
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} |
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private static volatile VoCacheManager sCacheManager = null; // In Theory this should be non-static, but the UserID needs to access it! |
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public static VoCacheManager getCacheManager() |
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{ |
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public static VoCacheManager getCacheManager() { |
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return sCacheManager; |
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} |
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@SuppressWarnings({"SynchronizationOnLocalVariableOrMethodParameter"}) |
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private static ContextID getContextID( HttpSession pHttpSession ) |
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{ |
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private static ContextID getContextID( HttpSession pHttpSession ) { |
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WrapperForContextID zWrapper; |
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synchronized ( pHttpSession ) |
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{ |
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if ( null == (zWrapper = (WrapperForContextID) pHttpSession.getAttribute( WrapperForContextID.SESSION_KEY )) ) |
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{ |
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synchronized ( pHttpSession ) { |
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if ( null == (zWrapper = (WrapperForContextID) pHttpSession.getAttribute( WrapperForContextID.SESSION_KEY )) ) { |
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pHttpSession.setAttribute( WrapperForContextID.SESSION_KEY, // |
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zWrapper = new WrapperForContextID( new ContextID( "HttpSession", pHttpSession.getId() ) ) ); |
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} |
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@@ -57,65 +47,54 @@ |
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} |
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private static final class WrapperForContextID implements Serializable, |
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HttpSessionBindingListener |
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{ |
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HttpSessionBindingListener { |
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private static final long serialVersionUID = 1L; |
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public static final String SESSION_KEY = WrapperForContextID.class.getName(); |
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private ContextID mContextID; |
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private WrapperForContextID( ContextID pContextID ) |
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{ |
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private WrapperForContextID( ContextID pContextID ) { |
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mContextID = pContextID; |
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} |
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public ContextID getContextID() |
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{ |
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public ContextID getContextID() { |
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return mContextID; |
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} |
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@Override |
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public void valueBound( HttpSessionBindingEvent event ) |
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{ |
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public void valueBound( HttpSessionBindingEvent event ) { |
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} |
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@Override |
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public void valueUnbound( HttpSessionBindingEvent event ) |
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{ |
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public void valueUnbound( HttpSessionBindingEvent event ) { |
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ServerContext.clearServerStore( mContextID ); |
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VoCacheManager zCacheManager = sCacheManager; |
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if ( zCacheManager != null ) |
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{ |
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if ( zCacheManager != null ) { |
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zCacheManager.drop( mContextID ); |
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} |
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} |
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} |
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private static class OurServerSession extends ServerSession |
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{ |
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private static class OurServerSession extends ServerSession { |
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private HttpSession mSession; |
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private OurServerSession( HttpSession pSession ) |
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{ |
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private OurServerSession( HttpSession pSession ) { |
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mSession = pSession; |
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} |
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@Override |
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protected Serializable LLgetAttribute( String pName ) |
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{ |
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protected Serializable LLgetAttribute( String pName ) { |
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return (Serializable) mSession.getAttribute( pName ); |
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} |
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@Override |
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protected void LLsetAttribute( String pName, Serializable pInstance ) |
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{ |
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protected void LLsetAttribute( String pName, Serializable pInstance ) { |
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mSession.setAttribute( pName, pInstance ); |
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} |
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@Override |
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protected void LLremoveAttribute( String pName ) |
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{ |
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protected void LLremoveAttribute( String pName ) { |
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mSession.removeAttribute( pName ); |
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} |
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} |
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