/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.ejb.server;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.security.Identity;
import java.security.Principal;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.EJBContext;
import javax.ejb.EJBHome;
import javax.ejb.EJBLocalHome;
import javax.ejb.EJBMetaData;
import javax.ejb.TimerService;
import javax.transaction.Status;
import javax.transaction.UserTransaction;
import com.caucho.config.gen.CandiInvocationContext;
import com.caucho.security.SecurityContext;
import com.caucho.security.SecurityContextException;
import com.caucho.transaction.TransactionImpl;
import com.caucho.transaction.TransactionManagerImpl;
import com.caucho.util.L10N;
/**
* Base class for an abstract context
*/
@SuppressWarnings("deprecation")
abstract public class AbstractContext<X> implements EJBContext {
private static final L10N L = new L10N(AbstractContext.class);
private static final Logger log
= Logger.getLogger(AbstractContext.class.getName());
private boolean _isDead;
private String []_declaredRoles;
private Class<?> _invokedBusinessInterface;
public void setDeclaredRoles(String[] roles)
{
_declaredRoles = roles;
}
/**
* Returns true if the context is dead.
*/
public boolean isDead()
{
return _isDead;
}
/**
* Returns the server which owns this bean.
*/
public abstract AbstractEjbBeanManager<X> getServer();
/**
* Returns the EJB's meta data.
*/
public EJBMetaData getEJBMetaData()
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Returns the EJBHome stub for the container.
*/
public EJBHome getEJBHome()
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Returns the EJBLocalHome stub for the container.
*/
@Override
public EJBLocalHome getEJBLocalHome()
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Looks up an object in the current JNDI context.
*/
@Override
public Object lookup(String name)
{
return getServer().lookup(name);
}
/**
* Obsolete method which returns the EJB 1.0 environment.
*/
@Override
public Properties getEnvironment()
{
return new Properties();
}
@Override
public final Map<String,Object> getContextData()
{
return CandiInvocationContext.getCurrentContextData();
}
/**
* Obsolete method returns null.
*/
@Override
public Identity getCallerIdentity()
{
throw new UnsupportedOperationException();
}
/**
* Returns the principal
*/
@Override
public Principal getCallerPrincipal()
{
try {
return SecurityContext.getUserPrincipal();
} catch (SecurityContextException e) {
log.log(Level.WARNING, e.toString(), e);
return null;
}
}
/**
* Obsolete method returns false.
*/
@Override
public boolean isCallerInRole(Identity role)
{
throw new UnsupportedOperationException();
}
/**
* Returns true if the caller is in the named role.
*/
@Override
public boolean isCallerInRole(String roleName)
{
for (String role : _declaredRoles) {
if (roleName.equals(role))
return SecurityContext.isUserInRole(roleName);
}
return false;
}
/**
* Returns the current UserTransaction. Only Session beans with bean-managed
* transactions may use this.
*/
@Override
public UserTransaction getUserTransaction() throws IllegalStateException
{
// TCK uses this method in CMT
/*
if (getServer().isContainerTransaction())
throw new IllegalStateException(
"getUserTransaction() is not allowed with container-managed transaction");
*/
return getServer().getUserTransaction();
}
/**
* Looks the timer service.
*/
@Override
public TimerService getTimerService() throws IllegalStateException
{
return getServer().getTimerService();
}
/**
* Forces a rollback of the current transaction.
*/
@Override
public void setRollbackOnly()
throws IllegalStateException
{
if (! getServer().isContainerTransaction()) {
throw new IllegalStateException(L.l("setRollbackOnly() is only allowed with container-managed transaction"));
}
try {
TransactionImpl xa = TransactionManagerImpl.getLocal().getCurrent();
if (xa == null || xa.getStatus() == Status.STATUS_NO_TRANSACTION)
throw new IllegalStateException(L.l("setRollbackOnly() called with no active transaction."));
if (Boolean.FALSE.equals(xa.getAttribute("allowRollback")))
throw new IllegalStateException(L.l("setRollbackOnly() called in forbidden context"));
xa.setRollbackOnly();
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
/**
* Returns true if the current transaction will rollback.
*/
@Override
public boolean getRollbackOnly()
throws IllegalStateException
{
if (! getServer().isContainerTransaction())
throw new IllegalStateException(L.l("getRollbackOnly() is only allowed with container-managed transaction"));
TransactionImpl xa = TransactionManagerImpl.getLocal().getCurrent();
if (xa == null || xa.getStatus() == Status.STATUS_NO_TRANSACTION)
throw new IllegalStateException(L.l("getRollbackOnly() called with no active transaction."));
if (Boolean.FALSE.equals(xa.getAttribute("allowRollback")))
throw new IllegalStateException(L.l("getRollbackOnly() called in forbidden context"));
return xa.isRollbackOnly();
}
/**
* Destroy the context.
*/
public void destroy() throws Exception
{
_isDead = true;
}
public Class<?> getInvokedBusinessInterface()
throws IllegalStateException
{
if (_invokedBusinessInterface == null)
throw new IllegalStateException(L.l(
"SessionContext.getInvokedBusinessInterface() is only allowed through EJB 3.0 interfaces"));
return _invokedBusinessInterface;
}
public void __caucho_setInvokedBusinessInterface(Class<?> invokedBusinessInterface)
{
_invokedBusinessInterface = invokedBusinessInterface;
}
/**
* Runs the timeout callbacks.
*/
public void __caucho_timeout_callback(javax.ejb.Timer timer)
{
throw new IllegalStateException(L.l(
"'{0}' does not have a @Timeout callback", getClass().getName()));
}
/**
* Runs the timeout callbacks
*/
public void __caucho_timeout_callback(Method method)
throws IllegalAccessException, InvocationTargetException
{
throw new IllegalStateException(L.l(
"'{0}' does not have a @Timeout callback", getClass().getName()));
}
/**
* Runs the timeout callbacks.
*/
public void __caucho_timeout_callback(Method method,
javax.ejb.Timer timer)
throws IllegalAccessException, InvocationTargetException
{
throw new IllegalStateException(L.l(
"'{0}' does not have a @Timeout callback", getClass().getName()));
}
}