/*
* Copyright (c) 1998-2010 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.rmi.RemoteException;
import java.security.Identity;
import java.security.Principal;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;
import javax.ejb.EJBContext;
import javax.ejb.EJBHome;
import javax.ejb.EJBLocalHome;
import javax.ejb.EJBLocalObject;
import javax.ejb.EJBMetaData;
import javax.ejb.EJBObject;
import javax.ejb.Handle;
import javax.ejb.HomeHandle;
import javax.ejb.RemoveException;
import javax.ejb.TimerService;
import javax.transaction.UserTransaction;
import com.caucho.security.SecurityContext;
import com.caucho.security.SecurityContextException;
import com.caucho.transaction.*;
import com.caucho.util.L10N;
/**
* Base class for an abstract context
*/
abstract public class AbstractContext 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;
@SuppressWarnings("unchecked")
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 AbstractServer 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.
*/
public EJBLocalHome getEJBLocalHome()
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Returns the object's handle.
*/
public Handle getHandle()
{
throw new UnsupportedOperationException();
}
/**
* Returns the object's home handle.
*/
public HomeHandle getHomeHandle()
{
throw new UnsupportedOperationException(getClass().getName());
}
/**
* Returns the local object in the context.
*/
public EJBLocalObject getEJBLocalObject() throws IllegalStateException
{
throw new IllegalStateException(
L
.l(
"`{0}' has no local interface. Local beans need a local-home and a local interface. Remote beans must be called with a remote context.",
getServer()));
}
/**
* Looks up an object in the current JNDI context.
*/
public Object lookup(String name)
{
return getServer().lookup(name);
}
/**
* Returns the EJBObject stub for the container.
*/
public EJBObject getEJBObject()
{
EJBObject obj = getRemoteView();
if (obj == null)
throw new IllegalStateException(
"getEJBObject() is only allowed through EJB 2.1 interfaces");
return obj;
/*
* throw newIllegalStateException(L.l(
* "`{0}' has no remote interface. Remote beans need a home and a remote interface. Local beans must be called with a local context."
* , getServer().getEJBName()));
*/
}
/**
* Returns the underlying bean
*/
public EJBObject getRemoteView()
{
return null;
/*
* throw newIllegalStateException(L.l(
* "`{0}' has no remote interface. Remote beans need a home and a remote interface. Local beans must be called with a local context."
* , getServer()));
*/
}
/**
* Create the home view.
*/
public EJBHome createRemoteHomeView()
{
return null;
/*
* throw newIllegalStateException(L.l(
* "`{0}' has no remote interface. Remote beans need a home and a remote interface. Local beans must be called with a local context."
* , getServer().getEJBName()));
*/
}
/**
* Create the local home view.
*/
public EJBLocalHome createLocalHome()
{
return null;
/*
* throw newIllegalStateException(L.l(
* "`{0}' has no local interface. Local beans need a local-home and a local interface. Remote beans must be called with a remote context."
* , getServer().getEJBName()));
*/
}
/**
* Create the 2.1 remote view.
*/
public Object createRemoteView21()
{
return null;
}
/**
* Create the 3.0 remote view.
*/
public Object createRemoteView()
{
return null;
}
/**
* Obsolete method which returns the EJB 1.0 environment.
*/
public Properties getEnvironment()
{
return new Properties();
}
/**
* Obsolete method returns null.
*/
public Identity getCallerIdentity()
{
throw new UnsupportedOperationException();
}
/**
* Returns the principal
*/
public Principal getCallerPrincipal()
{
try {
return SecurityContext.getUserPrincipal();
} catch (SecurityContextException e) {
log.log(Level.WARNING, e.toString(), e);
return null;
}
}
/**
* Obsolete method returns false.
*/
public boolean isCallerInRole(Identity role)
{
throw new UnsupportedOperationException();
}
/**
* Returns true if the caller is in the named role.
*/
public boolean isCallerInRole(String roleName)
{
for (String role : _declaredRoles) {
if (roleName.equals(role))
return SecurityContext.isUserInRole(roleName);
}
return false;
}
public void remove() throws RemoveException
{
EJBObject obj = null;
try {
obj = getEJBObject();
} catch (Exception e) {
}
try {
if (obj != null) {
obj.remove();
return;
}
} catch (RemoteException e) {
}
EJBLocalObject local = null;
try {
local = getEJBLocalObject();
} catch (Exception e) {
}
if (local != null) {
local.remove();
return;
}
}
/**
* Returns the current UserTransaction. Only Session beans with bean-managed
* transactions may use this.
*/
public UserTransaction getUserTransaction() throws IllegalStateException
{
if (getServer().isContainerTransaction())
throw new IllegalStateException(
"getUserTransaction() is not allowed with container-managed transaction");
return getServer().getUserTransaction();
}
/**
* Looks the timer service.
*/
public TimerService getTimerService() throws IllegalStateException
{
return getServer().getTimerService();
}
/**
* Forces a rollback of the current transaction.
*/
public void setRollbackOnly() throws IllegalStateException
{
if (! getServer().isContainerTransaction()) {
throw new IllegalStateException(L.l("setRollbackOnly() is only allowed with container-managed transaction"));
}
try {
getServer().getUserTransaction().setRollbackOnly();
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
/**
* Returns true if the current transaction will rollback.
*/
public boolean getRollbackOnly() throws IllegalStateException
{
if (! getServer().isContainerTransaction())
throw new IllegalStateException("getRollbackOnly() is only allowed with container-managed transaction");
TransactionImpl xa = TransactionManagerImpl.getLocal().getCurrent();
if (xa != null)
return xa.isRollbackOnly();
else
throw new IllegalStateException(L.l("getRollbackOnly() called with no active transaction."));
}
/**
* Destroy the context.
*/
public void destroy() throws Exception
{
_isDead = true;
}
public Class getInvokedBusinessInterface() throws IllegalStateException
{
if (_invokedBusinessInterface == null)
throw new IllegalStateException(
"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()));
}
}