/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.naming.java;
import java.util.*;
import java.io.*;
import javax.naming.*;
import com.sun.ejb.containers.BaseContainer;
import com.sun.enterprise.ComponentInvocation;
import com.sun.enterprise.InvocationManager;
import com.sun.enterprise.Switch;
import com.sun.enterprise.naming.*;
import com.sun.enterprise.util.ORBManager;
import com.sun.enterprise.distributedtx.UserTransactionImpl;
import com.sun.enterprise.distributedtx.TransactionSynchronizationRegistryImpl;
//START OF IASRI 4660742
import java.util.logging.*;
import com.sun.logging.*;
//END OF IASRI 4660742
/**
* This class is a context implementation for the java:comp namespace.
* The context determines the component id from the invocation manager
* of the component that is invoking the method and then looks up the
* object in that component's local namespace.
*/
public final class javaURLContext implements Context, Cloneable {
// START OF IASRI 4660742
static Logger _logger=LogDomains.getLogger(LogDomains.JNDI_LOGGER);
// END OF IASRI 4660742
// Global objects in component namespace
private static final String ORB_STRING = "java:comp/ORB";
private static final String HANDLE_DELEGATE = "java:comp/HandleDelegate";
private static final String USER_TX = "java:comp/UserTransaction";
private static final String EJB_CONTEXT = "java:comp/EJBContext";
private static final String EJB_TIMER_SERVICE = "java:comp/TimerService";
private static final String TRANSACTION_SYNC_REGISTRY =
"java:comp/TransactionSynchronizationRegistry";
private static final String TRANSACTION_MGR = "java:pm/TransactionManager";
public static final String APPSERVER_TRANSACTION_MGR = "java:appserver/TransactionManager";
private static final boolean debug = false;
private NamingManagerImpl namingManager;
private Hashtable myEnv;
//private Context ctx; XXX not needed ?
private String myName="";
private SerialContext serialContext = null;
/**
* Create a context with the specified environment.
*/
public javaURLContext(Hashtable environment)
throws NamingException
{
myEnv = (environment != null) ? (Hashtable)(environment.clone()) : null;
if (namingManager == null ) {
namingManager = (NamingManagerImpl)
Switch.getSwitch().getNamingManager();
}
}
/**
* Create a context with the specified name+environment.
* Called only from NamingManagerImpl.
*/
public javaURLContext(String name, Hashtable env)
throws NamingException
{
this(env);
this.myName = name;
}
/**
* this constructor is called from SerialContext class
*/
public javaURLContext(Hashtable env, SerialContext serialContext)
throws NamingException
{
this(env);
this.serialContext = serialContext;
}
/**
* add SerialContext to preserve stickiness to cloned instance
* why clone() : to avoid the case of multiple threads modifying
* the context returned for ctx.lookup("java:com/env/ejb")
*/
public javaURLContext addStickyContext(SerialContext serialContext)
throws NamingException {
try {
javaURLContext jCtx = (javaURLContext)this.clone();
jCtx.serialContext = serialContext;
return jCtx;
} catch (java.lang.CloneNotSupportedException ex) {
NamingException ne = new NamingException("problem with cloning javaURLContext instance");
ne.initCause(ex);
throw ne;
}
}
/**
* Lookup an object in the serial context.
* @return the object that is being looked up.
* @exception NamingException if there is a naming exception.
*/
public Object lookup(String name) throws NamingException {
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,"In javaURLContext.lookup, name = "+name + " serialcontext..." + serialContext);
if ( name.equals("") ) {
/** javadocs for Context.lookup:
* If name is empty, returns a new instance of this context
* (which represents the same naming context as this context,
* but its environment may be modified independently and it may
* be accessed concurrently).
*/
return new javaURLContext(myName, myEnv);
}
String fullName = name;
if ( !myName.equals("") ) {
if ( myName.equals("java:") )
fullName = myName + name;
else
fullName = myName + "/" + name;
}
try {
if ( fullName.startsWith("java:comp/env") ) {
// name is in component specific namespace
return namingManager.lookup(fullName, serialContext);
}
else {
// name is for a global object
if( fullName.equals(ORB_STRING) ) {
// return the singleton ORB instance
return ORBManager.getORB();
}
else if ( fullName.equals(USER_TX) ) {
InvocationManager invMgr = Switch.getSwitch().getInvocationManager();
ComponentInvocation inv = null;
if (invMgr != null) {
inv = invMgr.getCurrentInvocation();
}
if ((inv != null) && (inv.container != null)) {
if (inv.container instanceof BaseContainer) {
BaseContainer container = (BaseContainer) inv.container;
container.checkUserTransactionLookup(inv);
}
}
// UserTransactionImpl is mutable so return new instance
return new UserTransactionImpl();
}
else if ( fullName.equals(EJB_TIMER_SERVICE) ) {
// return the EJB Timer Service. Only works for ejbs.
return Switch.getSwitch().getContainerFactory().
getEJBContextObject("javax.ejb.TimerService");
} else if ( fullName.equals(EJB_CONTEXT) ) {
// return the EJB Timer Service. Only works for ejbs.
return Switch.getSwitch().getContainerFactory().
getEJBContextObject("javax.ejb.EJBContext");
} else if ( fullName.equals(HANDLE_DELEGATE) ) {
return Switch.getSwitch().getHandleDelegate();
}
else if ( fullName.equals(TRANSACTION_MGR) ) {
return Switch.getSwitch().getContainerFactory().getTransactionMgr();
}
else if ( fullName.equals(APPSERVER_TRANSACTION_MGR) ) {
return com.sun.enterprise.transaction.TransactionManagerHelper.getTransactionManager();
}
else if ( fullName.equals(TRANSACTION_SYNC_REGISTRY) ) {
return TransactionSynchronizationRegistryImpl.getInstance();
}
else {
// try NamingManager
return namingManager.lookup(fullName, serialContext);
}
}
} catch ( NamingException ex ) {
throw ex;
} catch ( Exception ex ) {
throw (NamingException)(new NameNotFoundException("No object bound for "+fullName)).initCause(ex);
}
}
/**
* Lookup a name in either the cosnaming or serial context.
* @return the object that is being looked up.
* @exception NamingException if there is a naming exception.
*/
public Object lookup(Name name) throws NamingException {
// Flat namespace; no federation; just call string version
return lookup(name.toString());
}
/**
* Bind an object in the namespace. Binds the reference to the
* actual object in either the cosnaming or serial context.
* @exception NamingException if there is a naming exception.
*/
public void bind(String name, Object obj) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* Bind an object in the namespace. Binds the reference to the
* actual object in either the cosnaming or serial context.
* @exception NamingException if there is a naming exception.
*/
public void bind(Name name, Object obj) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* Rebind an object in the namespace. Rebinds the reference to the
* actual object in either the cosnaming or serial context.
* @exception NamingException if there is a naming exception.
*/
public void rebind(String name, Object obj) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* Rebind an object in the namespace. Rebinds the reference to the
* actual object in either the cosnaming or serial context.
* @exception NamingException if there is a naming exception.
*/
public void rebind(Name name, Object obj) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* Unbind an object from the namespace.
* @exception NamingException if there is a naming exception.
*/
public void unbind(String name) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* Unbind an object from the namespace.
* @exception NamingException if there is a naming exception.
*/
public void unbind(Name name) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* The rename operation is not supported by this context. It throws
* an OperationNotSupportedException.
*/
public void rename(String oldname, String newname) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* The rename operation is not supported by this context. It throws
* an OperationNotSupportedException.
*/
public void rename(Name oldname, Name newname)
throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* The destroySubcontext operation is not supported by this context.
* It throws an OperationNotSupportedException.
*/
public void destroySubcontext(String name) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* The destroySubcontext operation is not supported by this context.
* It throws an OperationNotSupportedException.
*/
public void destroySubcontext(Name name) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
public Context createSubcontext(String name) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
public Context createSubcontext(Name name) throws NamingException {
throw new NamingException("java:comp namespace cannot be modified");
}
/**
* Lists the contents of a context or subcontext. The operation is
* delegated to the serial context.
* @return an enumeration of the contents of the context.
* @exception NamingException if there is a naming exception.
*/
public NamingEnumeration list(String name)
throws NamingException {
if (name.equals("")) {
// listing this context
if ( namingManager == null )
throw new NamingException();
return namingManager.list(myName);
}
// Check if 'name' names a context
Object target = lookup(name);
if (target instanceof Context) {
return ((Context)target).list("");
}
throw new NotContextException(name + " cannot be listed");
}
/**
* Lists the contents of a context or subcontext. The operation is
* delegated to the serial context.
* @return an enumeration of the contents of the context.
* @exception NamingException if there is a naming exception.
*/
public NamingEnumeration list(Name name)
throws NamingException {
// Flat namespace; no federation; just call string version
return list(name.toString());
}
/**
* Lists the bindings of a context or subcontext. The operation is
* delegated to the serial context.
* @return an enumeration of the bindings of the context.
* @exception NamingException if there is a naming exception.
*/
public NamingEnumeration listBindings(String name)
throws NamingException {
if (name.equals("")) {
// listing this context
if ( namingManager == null )
throw new NamingException();
return namingManager.listBindings(myName);
}
// Perhaps 'name' names a context
Object target = lookup(name);
if (target instanceof Context) {
return ((Context)target).listBindings("");
}
throw new NotContextException(name + " cannot be listed");
}
/**
* Lists the bindings of a context or subcontext. The operation is
* delegated to the serial context.
* @return an enumeration of the bindings of the context.
* @exception NamingException if there is a naming exception.
*/
public NamingEnumeration listBindings(Name name)
throws NamingException {
// Flat namespace; no federation; just call string version
return listBindings(name.toString());
}
/**
* This context does not treat links specially. A lookup operation is
* performed.
*/
public Object lookupLink(String name) throws NamingException {
// This flat context does not treat links specially
return lookup(name);
}
/**
* This context does not treat links specially. A lookup operation is
* performed.
*/
public Object lookupLink(Name name) throws NamingException {
// Flat namespace; no federation; just call string version
return lookupLink(name.toString());
}
/**
* Return the name parser for the specified name.
* @return the NameParser instance.
* @exception NamingException if there is an exception.
*/
public NameParser getNameParser(String name)
throws NamingException {
if ( namingManager == null )
throw new NamingException();
return namingManager.getNameParser();
}
/**
* Return the name parser for the specified name.
* @return the NameParser instance.
* @exception NamingException if there is an exception.
*/
public NameParser getNameParser(Name name) throws NamingException {
// Flat namespace; no federation; just call string version
return getNameParser(name.toString());
}
public String composeName(String name, String prefix)
throws NamingException {
Name result = composeName(new CompositeName(name),
new CompositeName(prefix));
return result.toString();
}
public Name composeName(Name name, Name prefix)
throws NamingException {
Name result = (Name)(prefix.clone());
result.addAll(name);
return result;
}
/**
* Add a property to the environment.
*/
public Object addToEnvironment(String propName, Object propVal)
throws NamingException {
if (myEnv == null) {
myEnv = new Hashtable(5, 0.75f);
}
return myEnv.put(propName, propVal);
}
/**
* Remove a property from the environment.
*/
public Object removeFromEnvironment(String propName)
throws NamingException
{
if (myEnv == null) {
return null;
}
return myEnv.remove(propName);
}
/**
* Get the context's environment.
*/
public Hashtable getEnvironment() throws NamingException {
if (myEnv == null) {
// Must return non-null
myEnv = new Hashtable(3, 0.75f);
}
return myEnv;
}
/**
* New JNDI 1.2 operation.
*/
public void close() throws NamingException {
myEnv = null;
}
/**
* Return the name of this context within the namespace. The name
* can be passed as an argument to (new InitialContext()).lookup()
* to reproduce this context.
*/
public String getNameInNamespace() throws NamingException {
return myName;
}
}
|
