/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* 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
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* language governing permissions and limitations under the License.
*
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* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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* 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
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package com.sun.enterprise.naming;
import java.util.*;
import java.io.*;
import javax.naming.*;
import javax.rmi.PortableRemoteObject;
import java.rmi.*;
import com.sun.enterprise.util.ORBManager;
import org.omg.CosNaming.NamingContext;
import org.omg.CosNaming.NameComponent;
import org.omg.CosNaming.NamingContextHelper;
import javax.rmi.CORBA.Tie;
//START OF IASRI 4660742
import java.util.logging.*;
import com.sun.logging.*;
//END OF IASRI 4660742
/** Class to implement multiple level of subcontexts in SerialContext. To use this
* class a new object of class InitialContext (env) should be instantiated.
* The env i.e the Environment is initialised with SerialInitContextFactory
* An example for using this is in /test/subcontext
*/
public class TransientContext implements Context, Serializable {
// START OF IASRI 4660742
static Logger _logger=LogDomains.getLogger(LogDomains.JNDI_LOGGER);
// END OF IASRI 4660742
public static final boolean debug = false;
Hashtable myEnv;
private Hashtable bindings = new Hashtable ();
static NameParser myParser = new SerialNameParser();
public TransientContext() {
}
/**
* Create a subcontext with the specified name.
* @return the created subcontext.
* @exception NamingException if there is a naming exception.
* @exception RMIException if there is an RMI exception.
*/
public Context createSubcontext(String name) throws NamingException {
return drillDownAndCreateSubcontext (name);
}
/**
* Create a subcontext with the specified name.
* @return the created subcontext.
* @exception NamingException if there is a naming exception.
* @exception RMIException if there is an RMI exception.
*/
public Context createSubcontext(Name name) throws NamingException {
return createSubcontext(name.toString());
}
/**
* Destroy the subcontext with the specified name.
* @exception NamingException if there is a naming exception.
* @exception RMIException if there is an RMI exception.
*/
public void destroySubcontext(String name) throws NamingException {
drillDownAndDestroySubcontext (name);
}
/**
* Destroy the subcontext with the specified name.
* @exception NamingException if there is a naming exception.
* @exception RMIException if there is an RMI exception.
*/
public void destroySubcontext(Name name) throws NamingException {
destroySubcontext(name.toString());
}
/** Handles making nested subcontexts
* i.e. if you want abcd/efg/hij. It will go subcontext efg in abcd
* (if not present already - it will create it) and then
* make subcontext hij
* @return the created subcontext.
* @exception NamingException if there is a Naming exception
*/
public Context drillDownAndCreateSubcontext (String name)
throws NamingException {
Name n = new CompositeName (name);
if (n.size () < 1){
throw new InvalidNameException ("Cannot create empty subcontext");
}
if (n.size() == 1){ // bottom
if (bindings.containsKey (name)){
throw new NameAlreadyBoundException ("Subcontext " +
name + "already present");
}
TransientContext ctx = null;
ctx = new TransientContext ();
bindings.put (name, ctx);
return ctx;
} else {
String suffix = n.getSuffix(1).toString();
Context retCtx, ctx; // the created context
try {
ctx = resolveContext(n.get(0));
} catch (NameNotFoundException e){
ctx = new TransientContext ();
}
retCtx = ctx.createSubcontext (suffix);
bindings.put (n.get(0), ctx);
return retCtx;
}
}
/** Handles deleting nested subcontexts
* i.e. if you want delete abcd/efg/hij. It will go subcontext efg in abcd
* it will delete it) and then delete subcontext hij
* @exception NamingException if there is a naming exception
*/
public void drillDownAndDestroySubcontext (String name)
throws NamingException {
Name n = new CompositeName (name);
if (n.size () < 1){
throw new InvalidNameException ("Cannot destoy empty subcontext");
}
if (n.size() == 1){ // bottom
if (bindings.containsKey (name)){
bindings.remove (name);
}
else{
throw new NameNotFoundException ("Subcontext: " + name +
" not found");
}
} else {
String suffix = n.getSuffix(1).toString();
Context ctx; // the context to drill down from
ctx = resolveContext(n.get(0));
ctx.destroySubcontext (suffix);
}
}
/**
* Lookup the specified name.
* @return the object or context bound to the name.
* @exception NamingException if there is a naming exception.
* @exception RemoteException if there is an RMI exception.
*/
public Object lookup(String name) throws NamingException {
Name n = new CompositeName(name);
if (n.size() < 1) {
throw new InvalidNameException("Cannot bind empty name");
}
if(n.size() == 1) { // bottom
return doLookup(n.toString());
} else {
String suffix = n.getSuffix(1).toString();
TransientContext ctx = resolveContext(n.get(0));
return ctx.lookup(suffix);
}
}
/**
* Lookup the specified name.
* @return the object or context bound to the name.
* @exception NamingException if there is a naming exception.
* @exception RemoteException if there is an RMI exception.
*/
public Object lookup(Name name) throws NamingException {
return lookup(name.toString());
}
/**
* Lookup the specified name in the current objects hashtable.
* @return the object or context bound to the name.
* @exception NamingException if there is a naming exception.
* @exception RemoteException if there is an RMI exception.
*/
private Object doLookup(String name) throws NamingException
{
Object answer = bindings.get(name);
if (answer == null) {
throw new NameNotFoundException(name + " not found");
}
return answer;
}
/**
* Bind the object to the specified name.
* @exception NamingException if there is a naming exception.
* @exception RemoteException if there is an RMI exception.
*/
public void bind(String name, Object obj) throws NamingException{
Name n = new CompositeName(name);
if (n.size() < 1) {
throw new InvalidNameException("Cannot bind empty name");
}
if(n.size() == 1) { // bottom
doBindOrRebind(n.toString(), obj, false);
} else {
String suffix = n.getSuffix(1).toString();
Context ctx;
try {
ctx = resolveContext(n.get(0));
} catch (NameNotFoundException e){
ctx = createSubcontext (n.get (0));
}
ctx.bind(suffix, obj);
}
}
/**
* Bind the object to the specified name.
* @exception NamingException if there is a naming exception.
* @exception RemoteException if there is an RMI exception.
*/
public void bind(Name name, Object obj)
throws NamingException {
bind(name.toString(), obj);
}
/**
* Finds out if the subcontext specified is present in the current context
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
/* Finds if the name searched for is a type of context or anyother type of
* object.
*/
private TransientContext resolveContext(String s) throws NamingException {
//TransientContext ctx = (TransientContext) bindings.get(s);
TransientContext ctx;
Object obj = bindings.get (s);
if(obj == null) {
throw new NameNotFoundException();
}
if (obj instanceof TransientContext){
ctx = (TransientContext) obj;
}
else {
throw new NameAlreadyBoundException (s);
}
return ctx;
}
/**
* Binds or rebinds the object specified by name
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
private void doBindOrRebind(String name, Object obj, boolean rebind)
throws NamingException
{
if (name.equals("")) {
throw new InvalidNameException("Cannot bind empty name");
}
if(!rebind) {
if (bindings.get(name) != null) {
throw new NameAlreadyBoundException(
"Use rebind to override");
}
}
bindings.put(name, obj);
}
/**
* Rebinds the object specified by name
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void rebind(String name, Object obj)
throws NamingException {
Name n = new CompositeName(name);
if (n.size() < 1) {
throw new InvalidNameException("Cannot bind empty name");
}
if(n.size() == 1) { // bottom
doBindOrRebind(n.toString(), obj, true);
} else {
String suffix = n.getSuffix(1).toString();
Context ctx=null;
try {
ctx = resolveContext(n.get(0));
ctx.rebind(suffix, obj);
} catch (NameNotFoundException e){
ctx = createSubcontext (n.get(0));
ctx.rebind(suffix, obj);
}
}
}
/**
* Binds or rebinds the object specified by name
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void rebind(Name name, Object obj)
throws NamingException {
rebind(name.toString(), obj);
}
/**
* Unbinds the object specified by name. Traverses down the context tree
* and unbinds the object if required.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
private void doUnbind(String name) throws NamingException {
if (name.equals("")) {
throw new InvalidNameException("Cannot unbind empty name");
}
if (bindings.get(name) == null) {
throw new NameNotFoundException(
"Cannot find name to unbind");
}
bindings.remove(name);
}
/**
* Unbinds the object specified by name. Calls itself recursively to
* traverse down the context tree and unbind the object.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void unbind(String name) throws NamingException {
Name n = new CompositeName(name);
if (n.size() < 1) {
throw new InvalidNameException("Cannot unbind empty name");
}
if(n.size() == 1) { // bottom
doUnbind(n.toString());
} else {
String suffix = n.getSuffix(1).toString();
TransientContext ctx = resolveContext(n.get(0));
ctx.unbind(suffix);
}
}
/**
* Unbinds the object specified by name
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void unbind(Name name)
throws NamingException {
unbind(name.toString());
}
/**
* Rename the object specified by oldname to newname
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void rename(Name oldname, Name newname) throws NamingException {
rename(oldname.toString(), newname.toString());
}
/**
* Rename the object specified by oldname to newname
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void rename(String oldname, String newname)
throws NamingException {
if (oldname.equals("") || newname.equals("")) {
throw new InvalidNameException("Cannot rename empty name");
}
// Check if new name exists
if (bindings.get(newname) != null) {
throw new NameAlreadyBoundException(newname +
" is already bound");
}
// Check if old name is bound
Object oldBinding = bindings.remove(oldname);
if (oldBinding == null) {
throw new NameNotFoundException(oldname + " not bound");
}
bindings.put(newname, oldBinding);
}
/**
* list the objects stored by the current context
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Hashtable list() {
return bindings;
}
/**
* List the objects specified by name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Hashtable listContext(String name) throws NamingException {
if(debug) {
print(bindings);
}
if(name.equals(""))
return bindings;
Object target = lookup(name);
if(target instanceof TransientContext) {
return ((TransientContext)target).listContext("");
}
throw new NotContextException(name + " cannot be listed");
}
/**
* List the objects specified by name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public NamingEnumeration list(Name name) throws NamingException {
return list(name.toString());
}
/**
* List the objects specified by name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public NamingEnumeration list(String name) throws NamingException {
if(debug) {
print(bindings);
}
if(name.equals(""))
return new RepNames(bindings);
Object target = lookup(name);
if(target instanceof Context) {
return ((Context)target).list("");
}
throw new NotContextException(name + " cannot be listed");
}
/**
* List the bindings of objects present in name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public NamingEnumeration listBindings(String name) throws NamingException {
if(name.equals(""))
return new RepBindings(bindings);
Object target = lookup(name);
if(target instanceof Context) {
return ((Context)target).listBindings("");
}
throw new NotContextException(name + " cannot be listed");
}
/**
* List the binding of objects specified by name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public NamingEnumeration listBindings(Name name) throws NamingException {
return listBindings(name.toString());
}
/**
* Lookup the name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Object lookupLink(String name) throws NamingException {
// This flat context does not treat links specially
return lookup(name);
}
/**
* Lookup name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Object lookupLink(Name name) throws NamingException {
// Flat namespace; no federation; just call string version
return lookupLink(name.toString());
}
/**
* List the NameParser specified by name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public NameParser getNameParser(String name) throws NamingException {
return myParser;
}
/**
* List the NameParser specified by name.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public NameParser getNameParser(Name name) throws NamingException {
// Flat namespace; no federation; just call string version
return getNameParser(name.toString());
}
/**
* Compose a new name specified by name and prefix.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
* @return null
*/
public String composeName(String name, String prefix)
throws NamingException {
return null;
}
/**
* Compose a new name specified by name and prefix.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
* @return Name result of the concatenation
*/
public Name composeName(Name name, Name prefix)
throws NamingException {
Name result = (Name)(prefix.clone());
result.addAll(name);
return result;
}
/**
* Add the property name and value to the environment.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Object addToEnvironment(String propName, Object propVal)
throws NamingException {
if (myEnv == null) {
myEnv = new Hashtable(5, 0.75f);
}
return myEnv.put(propName, propVal);
}
/**
* Remove property from the environment.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Object removeFromEnvironment(String propName)
throws NamingException {
if (myEnv == null) {
return null;
}
return myEnv.remove(propName);
}
/**
* List the current environment.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public Hashtable getEnvironment() throws NamingException {
if (myEnv == null) {
// Must return non-null
myEnv = new Hashtable(3, 0.75f);
}
return myEnv;
}
/**
* Invalidate the current environment.
* @exception NamingException if there is a naming exception
* @exception RemoteException if there is a RMI exception
*/
public void close() throws NamingException {
myEnv = null;
}
/**
* Operation not supported.
*/
public String getNameInNamespace() throws NamingException {
throw new OperationNotSupportedException("getNameInNamespace() " +
"not implemented");
}
/**
* Print the current hashtable.
*/
private static void print(Hashtable ht) {
for (Enumeration en = ht.keys(); en.hasMoreElements(); ) {
Object key = en.nextElement();
Object value = ht.get(key);
/** IASRI 4660742
System.out.println("[" + key + ":" + key.getClass().getName() +
", " + value + ":" + value.getClass().getName()
+ "]");
**/
// START OF IASRI 4660742
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,"[" + key + ":" +
key.getClass().getName() +
", " + value + ":" + value.getClass().getName() + "]");
}
// END OF IASRI 4660742
}
}
// Class for enumerating name/class pairs
class RepNames implements NamingEnumeration {
Hashtable bindings;
Enumeration names;
RepNames (Hashtable bindings) {
this.bindings = bindings;
this.names = bindings.keys();
}
public boolean hasMoreElements() {
return names.hasMoreElements();
}
public boolean hasMore() throws NamingException {
return hasMoreElements();
}
public Object nextElement() {
if(names.hasMoreElements())
{
String name = (String)names.nextElement();
String className = bindings.get(name).getClass().getName();
return new NameClassPair(name, className);
}
else
return null;
}
public Object next() throws NamingException {
return nextElement();
}
// New API for JNDI 1.2
public void close() throws NamingException {
throw new OperationNotSupportedException("close() not implemented");
}
}
// Class for enumerating bindings
class RepBindings implements NamingEnumeration {
Enumeration names;
Hashtable bindings;
RepBindings (Hashtable bindings) {
this.bindings = bindings;
this.names = bindings.keys();
}
public boolean hasMoreElements() {
return names.hasMoreElements();
}
public boolean hasMore() throws NamingException {
return hasMoreElements();
}
public Object nextElement() {
if(hasMoreElements())
{
String name = (String)names.nextElement();
return new Binding(name, bindings.get(name));
}
else
return null;
}
public Object next() throws NamingException {
return nextElement();
}
// New API for JNDI 1.2
public void close() throws NamingException {
throw new
OperationNotSupportedException("close() not implemented");
}
}
}
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