public List<Binding> listBindings(final Name name) throws NamingException {
final ServiceName lookupName = buildServiceName(name);
final ServiceName floor = boundServices.floor(lookupName);
if (floor != null && floor.isParentOf(lookupName)) {
// Parent might be a reference or a link
Object obj = lookup(name.toString(), floor);
if (obj != null) throw new RequireResolveException(convert(floor));
}
final List<ServiceName> children = listChildren(lookupName);
final String[] lookupParts = lookupName.toArray();
final Set<String> childContexts = new HashSet<String>();
final List<Binding> results = new ArrayList<Binding>();
for (ServiceName child : children) {
final String[] childParts = child.toArray();
if (childParts.length > lookupParts.length + 1) {
childContexts.add(childParts[lookupParts.length]);
} else {
final Object binding = lookup(name.toString(), child);
results.add(new Binding(childParts[childParts.length - 1], binding));
}
}
for (String contextName : childContexts) {
results.add(
new Binding(
contextName, new NamingContext(((Name) name.clone()).add(contextName), this, null)));
}
return results;
}
/**
* Add a name to object binding to this Context.
*
* @param name a <code>Name</code> value
* @param obj an <code>Object</code> value
*/
public void addBinding(Name name, Object obj) throws NameAlreadyBoundException {
String key = name.toString();
Binding binding = new Binding(key, obj);
Collection<Listener> list = findListeners();
for (Listener listener : list) {
binding = listener.bind(this, binding);
if (binding == null) break;
}
if (__log.isDebugEnabled())
__log.debug(
"Adding binding with key="
+ key
+ " obj="
+ obj
+ " for context="
+ _name
+ " as "
+ binding);
if (binding != null) {
if (_bindings.containsKey(key)) {
if (_supportDeepBinding) {
// quietly return (no exception)
// this is jndi spec breaking, but is added to support broken
// jndi users like openejb.
return;
}
throw new NameAlreadyBoundException(name.toString());
}
_bindings.put(key, binding);
}
}
/** Resolves to nns associated with 'name' and set Continuation to the result. */
protected void resolve_to_nns_and_continue(Name name, Continuation cont) throws NamingException {
if (debug > 0) System.out.println("RESOLVE TO NNS AND CONTINUE" + name.toString());
if (resolve_to_penultimate_context_nns(name, cont)) {
Object nns = a_lookup_nns(name.toString(), cont);
if (nns != null) cont.setContinue(nns, name, this);
}
}
protected String getComponentName(Name name) throws NamingException {
if (name instanceof CompositeName) {
if (name.size() > 1) {
throw new InvalidNameException(
name.toString() + " has more components than namespace can handle");
}
return name.get(0);
} else {
// compound name
return name.toString();
}
}
public void bind(final Name name, final Object object) throws NamingException {
final WriteOwner owner = requireOwner();
final ServiceName bindName = buildServiceName(name);
final BindListener listener = new BindListener();
final BinderService binderService = new BinderService(name.toString());
final ServiceBuilder<?> builder =
owner
.target
.addService(bindName, binderService)
.addDependency(
getServiceNameBase(),
ServiceBasedNamingStore.class,
binderService.getNamingStoreInjector())
.addInjection(
binderService.getManagedObjectInjector(),
new ValueManagedReferenceFactory(new ImmediateValue<Object>(object)))
.setInitialMode(ServiceController.Mode.ACTIVE)
.addListener(listener);
for (ServiceName dependency : owner.dependencies) {
builder.addDependency(dependency);
}
builder.install();
try {
listener.await();
} catch (Exception e) {
throw namingException("Failed to bind [" + object + "] at location [" + bindName + "]", e);
}
}
/**
* Resolves to penultimate context named by 'name'. Returns true if penultimate context has been
* reached (i.e. name only has one atomic component left). Returns false otherwise, and sets
* Continuation to parts of name not yet resolved.
*/
protected boolean resolve_to_penultimate_context(Name name, Continuation cont)
throws NamingException {
String target = name.toString();
if (debug > 0) System.out.println("RESOLVE TO PENULTIMATE" + target);
StringHeadTail ht = c_parseComponent(target, cont);
String tail = ht.getTail();
String head = ht.getHead();
if (head == null) {
// something is wrong; no name at all
InvalidNameException e = new InvalidNameException();
throw cont.fillInException(e);
}
if (!isEmpty(tail)) {
// more components; hence not at penultimate context yet
try {
Object headCtx = a_lookup(head, cont);
if (headCtx != null) cont.setContinue(headCtx, head, this, tail);
else if (cont.isContinue()) cont.appendRemainingComponent(tail);
} catch (NamingException e) {
e.appendRemainingComponent(tail);
throw e;
}
} else {
// already at penultimate context
cont.setSuccess(); // clear
return true;
}
return false;
}
/**
* Resolve to context named by 'name'. Returns true if at named context (i.e. 'name' is empty
* name). Returns false otherwise, and sets Continuation on parts of 'name' not yet resolved.
*/
protected boolean resolve_to_context(Name name, Continuation cont) throws NamingException {
String target = name.toString();
StringHeadTail ht = c_parseComponent(target, cont);
String tail = ht.getTail();
String head = ht.getHead();
if (debug > 0)
System.out.println("RESOLVE TO CONTEXT(" + target + ") = {" + head + ", " + tail + "}");
if (head == null) {
// something is wrong; no name at all
InvalidNameException e = new InvalidNameException();
throw cont.fillInException(e);
}
if (!isEmpty(head)) {
// if there is head is a non-empty name
// this means more resolution to be done
try {
Object headCtx = a_lookup(head, cont);
// System.out.println("answer " + headCtx);
if (headCtx != null) cont.setContinue(headCtx, head, this, (tail == null ? "" : tail));
else if (cont.isContinue()) cont.appendRemainingComponent(tail);
} catch (NamingException e) {
e.appendRemainingComponent(tail);
throw e;
}
} else {
cont.setSuccess(); // clear
return true;
}
return false;
}
/**
* Constructs a JNDI Binding object from the COS Naming binding object.
*
* @exception NameNotFound No objects under the name.
* @exception CannotProceed Unable to obtain a continuation context
* @exception InvalidName Name not understood.
* @exception NamingException One of the above.
*/
private javax.naming.Binding mapBinding(org.omg.CosNaming.Binding bndg) throws NamingException {
java.lang.Object obj = _ctx.callResolve(bndg.binding_name);
Name cname = CNNameParser.cosNameToName(bndg.binding_name);
try {
obj = NamingManager.getObjectInstance(obj, cname, _ctx, _env);
} catch (NamingException e) {
throw e;
} catch (Exception e) {
NamingException ne = new NamingException("problem generating object using object factory");
ne.setRootCause(e);
throw ne;
}
// Use cname.toString() instead of bindingName because the name
// in the binding should be a composite name
String cnameStr = cname.toString();
javax.naming.Binding jbndg = new javax.naming.Binding(cnameStr, obj);
NameComponent[] comps = _ctx.makeFullName(bndg.binding_name);
String fullName = CNNameParser.cosNameToInsString(comps);
jbndg.setNameInNamespace(fullName);
return jbndg;
}
/**
* Construct a DirContextAdapter given the supplied paramters. The <code>name</code> is normally a
* JNDI <code>CompositeName</code>, which needs to be handled with particuclar care. Specifically
* the escaping of a <code>CompositeName</code> destroys proper escaping of Distinguished Names.
* Also, the name might contain referral information, in which case we need to separate the server
* information from the actual Distinguished Name so that we can create a representing
* DirContextAdapter.
*
* @param attrs the attributes
* @param name the Name, typically a <code>CompositeName</code>, possibly including referral
* information.
* @param nameInNamespace the Name in namespace.
* @return a {@link DirContextAdapter} representing the specified information.
*/
DirContextAdapter constructAdapterFromName(Attributes attrs, Name name, String nameInNamespace) {
String nameString;
String referralUrl = "";
if (name instanceof CompositeName) {
// Which it most certainly will be, and therein lies the
// problem. CompositeName.toString() completely screws up the
// formatting
// in some cases, particularly when backslashes are involved.
nameString = LdapUtils.convertCompositeNameToString((CompositeName) name);
} else {
LOG.warn(
"Expecting a CompositeName as input to getObjectInstance but received a '"
+ name.getClass().toString()
+ "' - using toString and proceeding with undefined results");
nameString = name.toString();
}
if (nameString.startsWith(LDAP_PROTOCOL_PREFIX)
|| nameString.startsWith(LDAPS_PROTOCOL_PREFIX)) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"Received name '"
+ nameString
+ "' contains protocol delimiter; indicating a referral."
+ "Stripping protocol and address info to enable construction of a proper LdapName");
}
try {
URI url = new URI(nameString);
String pathString = url.getPath();
referralUrl = nameString.substring(0, nameString.length() - pathString.length());
if (StringUtils.hasLength(pathString) && pathString.startsWith("/")) {
// We don't want any slash in the beginning of the
// Distinguished Name.
pathString = pathString.substring(1);
}
nameString = pathString;
} catch (URISyntaxException e) {
throw new IllegalArgumentException(
"Supplied name starts with protocol prefix indicating a referral,"
+ " but is not possible to parse to an URI",
e);
}
if (LOG.isDebugEnabled()) {
LOG.debug("Resulting name after removal of referral information: '" + nameString + "'");
}
}
DirContextAdapter dirContextAdapter =
new DirContextAdapter(
attrs,
LdapUtils.newLdapName(nameString),
LdapUtils.newLdapName(nameInNamespace),
referralUrl);
dirContextAdapter.setUpdateMode(true);
return dirContextAdapter;
}
/**
* Join two names together. These are treated as CompoundNames.
*
* @param name a <code>Name</code> value
* @param prefix a <code>Name</code> value
* @return a <code>Name</code> value
* @exception NamingException if an error occurs
*/
public String composeName(String name, String prefix) throws NamingException {
if (name == null) throw new NamingException("Name cannot be null");
if (prefix == null) throw new NamingException("Prefix cannot be null");
Name compoundName = _parser.parse(prefix);
compoundName.add(name);
return compoundName.toString();
}
protected void c_unbind_nns(Name name, Continuation cont) throws NamingException {
if (_contextType == _ATOMIC) {
if (resolve_to_penultimate_context_nns(name, cont)) a_unbind_nns(name.toString(), cont);
} else {
// use ComponentContext
super.c_unbind_nns(name, cont);
}
}
public void rename(Name oldName, Name newName) throws NamingException {
Object value = lookup(oldName);
unbind(oldName);
if (value instanceof ContextImpl) ((ContextImpl) value).setName(newName.toString());
bind(newName, value);
}
/** Returns the full name for the context. */
protected String getFullPath(Name name) {
if (_name == null || _name.equals("")) return name.toString();
else if (name == null || name.size() == 0) return _name;
String sep = getSeparatorString();
return _name + sep + name;
}
/*------------------------------------------------*/
public void removeBinding(Name name) {
String key = name.toString();
if (__log.isDebugEnabled()) __log.debug("Removing binding with key=" + key);
Binding binding = _bindings.remove(key);
if (binding != null) {
Collection<Listener> list = findListeners();
for (Listener listener : list) listener.unbind(this, binding);
}
}
/**
* Save the NamingEntry for later use.
*
* <p>Saving is done by binding the NamingEntry itself, and the value it represents into JNDI. In
* this way, we can link to the value it represents later, but also still retrieve the NamingEntry
* itself too.
*
* <p>The object is bound at the jndiName passed in. This NamingEntry is bound at __/jndiName.
*
* <p>eg
*
* <p>jdbc/foo : DataSource __/jdbc/foo : NamingEntry
*
* @throws NamingException
*/
protected void save(Object object) throws NamingException {
__log.debug("SAVE {} in {}", this, _scope);
InitialContext ic = new InitialContext();
NameParser parser = ic.getNameParser("");
Name prefix = NamingEntryUtil.getNameForScope(_scope);
// bind the NamingEntry into the context
Name namingEntryName = NamingEntryUtil.makeNamingEntryName(parser, getJndiName());
namingEntryName.addAll(0, prefix);
_namingEntryNameString = namingEntryName.toString();
NamingUtil.bind(ic, _namingEntryNameString, this);
// bind the object as well
Name objectName = parser.parse(getJndiName());
objectName.addAll(0, prefix);
_objectNameString = objectName.toString();
NamingUtil.bind(ic, _objectNameString, object);
}
/**
* Create a context as a child of this one
*
* @param name a <code>Name</code> value
* @return a <code>Context</code> value
* @exception NamingException if an error occurs
*/
public Context createSubcontext(Name name) throws NamingException {
if (isLocked()) {
NamingException ne = new NamingException("This context is immutable");
ne.setRemainingName(name);
throw ne;
}
Name cname = toCanonicalName(name);
if (cname == null) throw new NamingException("Name is null");
if (cname.size() == 0) throw new NamingException("Name is empty");
if (cname.size() == 1) {
// not permitted to bind if something already bound at that name
Binding binding = getBinding(cname);
if (binding != null) throw new NameAlreadyBoundException(cname.toString());
Context ctx = new NamingContext((Hashtable) _env.clone(), cname.get(0), this, _parser);
addBinding(cname, ctx);
return ctx;
}
// If the name has multiple subcontexts, walk the hierarchy by
// fetching the first one. All intermediate subcontexts in the
// name must already exist.
String firstComponent = cname.get(0);
Object ctx = null;
if (firstComponent.equals("")) ctx = this;
else {
Binding binding = getBinding(firstComponent);
if (binding == null) throw new NameNotFoundException(firstComponent + " is not bound");
ctx = binding.getObject();
if (ctx instanceof Reference) {
// deference the object
if (__log.isDebugEnabled())
__log.debug("Object bound at " + firstComponent + " is a Reference");
try {
ctx =
NamingManager.getObjectInstance(
ctx, getNameParser("").parse(firstComponent), this, _env);
} catch (NamingException e) {
throw e;
} catch (Exception e) {
__log.warn("", e);
throw new NamingException(e.getMessage());
}
}
}
if (ctx instanceof Context) {
return ((Context) ctx).createSubcontext(cname.getSuffix(1));
} else throw new NotContextException(firstComponent + " is not a Context");
}
protected Context c_createSubcontext_nns(Name name, Continuation cont) throws NamingException {
if (_contextType == _ATOMIC) {
if (resolve_to_penultimate_context_nns(name, cont))
return a_createSubcontext_nns(name.toString(), cont);
else return null;
} else {
// use ComponentContext
return super.c_createSubcontext_nns(name, cont);
}
}
protected Object c_lookup(Name name, Continuation cont) throws NamingException {
Object ret = null;
if (resolve_to_penultimate_context(name, cont)) {
ret = a_lookup(name.toString(), cont);
if (ret != null && ret instanceof LinkRef) {
cont.setContinue(ret, name, this);
ret = null;
}
}
return ret;
}
/**
* Get the full name of this Context node by visiting it's ancestors back to root.
*
* <p>NOTE: if this Context has a URL namespace then the URL prefix will be missing
*
* @return the full name of this Context
* @exception NamingException if an error occurs
*/
public String getNameInNamespace() throws NamingException {
Name name = _parser.parse("");
NamingContext c = this;
while (c != null) {
String str = c.getName();
if (str != null) name.add(0, str);
c = (NamingContext) c.getParent();
}
return name.toString();
}
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment)
throws Exception {
String s = name.toString();
if (getLog().isTraceEnabled())
getLog()
.trace(
"getObjectInstance: obj.getClass().getName=\""
+ obj.getClass().getName()
+ "\n name="
+ s);
if (NAMING_NAME.equals(s)) return namingService;
else return null;
}
/**
* This postparses a namingEnumeration of NameClassPairs, after it has been returned from the jndi
* operation. Usefull to over-ride if the names in the enumeration need to be unescaped or
* reformatted.
*
* @param e the post jndi operation namingEnumeration.
* @param base the 'base' dn from which the names in the enumeration (may) be relative. If the
* Names in the enumeration are suffixed by the searchBase, they are unaltered, otherwise the
* searchBase is added to the names to give the full DN in the namespace.
* @return the re-formatted version used by the application.
*/
public NamingEnumeration postParseNameClassPairs(NamingEnumeration e, Name base)
throws NamingException {
log.log(Level.FINER, "parsing with base :" + base.toString());
DXNamingEnumeration dxe = new DXNamingEnumeration();
String baseString = null;
if (base != null && base.isEmpty() == false) baseString = base.toString();
try {
while (e.hasMore()) {
NameClassPair ncp = (NameClassPair) e.next();
String rawName = postParseString(ncp.getName()).toString();
// IMPORTANT!
// This appends the 'base' DN to the enumerated DNs in order to get absolute DNs...
if (ncp.isRelative() && baseString != null) {
if (rawName.length() != 0) rawName = rawName + "," + baseString;
else rawName = baseString;
}
log.log(Level.FINER, "ended up with: '" + rawName + "'");
ncp.setName(rawName);
dxe.add(ncp);
}
} catch (NamingException ex) {
CBUtility.error(
CBIntText.get("Search partially failed! - only ")
+ dxe.size()
+ CBIntText.get(" entries returned."),
ex);
}
return dxe;
}
public Object lookup(final Name name) throws NamingException {
if (name.isEmpty()) {
return new NamingContext(EMPTY_NAME, this, null);
}
final ServiceName lookupName = buildServiceName(name);
Object obj = lookup(name.toString(), lookupName);
if (obj == null) {
final ServiceName lower = boundServices.lower(lookupName);
if (lower != null && lower.isParentOf(lookupName)) {
// Parent might be a reference or a link
obj = lookup(name.toString(), lower);
checkReferenceForContinuation(name, obj);
return new ResolveResult(obj, suffix(lower, lookupName));
}
final ServiceName ceiling = boundServices.ceiling(lookupName);
if (ceiling != null && lookupName.isParentOf(ceiling)) {
return new NamingContext((Name) name.clone(), this, null);
}
throw new NameNotFoundException(name.toString() + " -- " + lookupName);
}
return obj;
}
protected Object c_lookup_nns(Name name, Continuation cont) throws NamingException {
if (_contextType == _ATOMIC) {
Object ret = null;
if (resolve_to_penultimate_context_nns(name, cont)) {
ret = a_lookup_nns(name.toString(), cont);
if (ret != null && ret instanceof LinkRef) {
cont.setContinue(ret, name, this);
ret = null;
}
}
return ret;
} else {
return super.c_lookup_nns(name, cont);
}
}
protected Name stripProtocol(Name name) throws NamingException {
if ((name != null) && (name.size() > 0)) {
String head = name.get(0);
if (__log.isDebugEnabled()) __log.debug("Head element of name is: " + head);
if (head.startsWith(URL_PREFIX)) {
head = head.substring(URL_PREFIX.length());
name.remove(0);
if (head.length() > 0) name.add(0, head);
if (__log.isDebugEnabled()) __log.debug("name modified to " + name.toString());
}
}
return name;
}
/**
* This function is similar to resolve_to_penultimate_context() except it should only be called by
* the nns() functions. This function fixes any exception or continuations so that it will have
* the proper nns name.
*/
protected boolean resolve_to_penultimate_context_nns(Name name, Continuation cont)
throws NamingException {
try {
if (debug > 0) System.out.println("RESOLVE TO PENULTIMATE NNS" + name.toString());
boolean answer = resolve_to_penultimate_context(name, cont);
// resolve_to_penultimate_context() only calls a_lookup().
// Any continuation it sets is lacking the nns, so
// we need to add it back
if (cont.isContinue()) cont.appendRemainingComponent("");
return answer;
} catch (NamingException e) {
// resolve_to_penultimate_context() only calls a_lookup().
// Any exceptions it throws is lacking the nns, so
// we need to add it back.
e.appendRemainingComponent("");
throw e;
}
}
/**
* Do a deep listing of the bindings for a context.
*
* @param ctx the context containing the name for which to list the bindings
* @param name the name in the context to list
* @return map: key is fully qualified name, value is the bound object
* @throws NamingException
*/
public static Map flattenBindings(Context ctx, String name) throws NamingException {
HashMap map = new HashMap();
// the context representation of name arg
Context c = (Context) ctx.lookup(name);
NameParser parser = c.getNameParser("");
NamingEnumeration enm = ctx.listBindings(name);
while (enm.hasMore()) {
Binding b = (Binding) enm.next();
if (b.getObject() instanceof Context) {
map.putAll(flattenBindings(c, b.getName()));
} else {
Name compoundName = parser.parse(c.getNameInNamespace());
compoundName.add(b.getName());
map.put(compoundName.toString(), b.getObject());
}
}
return map;
}
public String getNameInNamespace() throws NamingException {
return prefix.toString();
}
/**
* Return the name parser for the specified name.
*
* @return the NameParser instance.
* @throws NamingException if there is an exception.
*/
@Override
public NameParser getNameParser(Name name) throws NamingException {
// Flat namespace; no federation; just call string version
return getNameParser(name.toString());
}
public String toString() {
return name.toString();
}
@Override
public String composeName(String name, String prefix) throws NamingException {
Name result = composeName(new CompositeName(name), new CompositeName(prefix));
return result.toString();
}
