defaultInitCtx.
*/
protected boolean gotDefault = false;
/**
* Constructs an initial context with the option of not initializing it. This may be used by a constructor in a
* subclass when the value of the environment parameter is not yet known at the time the InitialContext
* constructor is called. The subclass's constructor will call this constructor, compute the value of the
* environment, and then call init() before returning.
* @param lazy true means do not initialize the initial context; false is equivalent to calling
* new InitialContext()
* @throws NamingException if a naming exception is encountered
* @see #init(Hashtable)
* @since 1.5
*/
protected InitialEventContext(final boolean lazy) throws NamingException
{
if (!lazy)
{
init(null);
}
}
/**
* Constructs an initial context. No environment properties are supplied. Equivalent to
* new InitialContext(null).
* @throws NamingException if a naming exception is encountered
*/
public InitialEventContext() throws NamingException
{
init(null);
}
/**
* Constructs an initial context using the supplied environment. Environment properties are discussed in the class
* description.
* * This constructor will not modify environment or save a reference to it, but may save a clone. * @param environment environment used to create the initial context. Null indicates an empty environment. * @throws NamingException if a naming exception is encountered */ public InitialEventContext(final Hashtable environment) throws NamingException { if (environment != null) { this.init((Hashtable) environment.clone()); } else { this.init(environment); } } /** * Initializes the initial context using the supplied environment. Environment properties are discussed in the class * description. *
* This method will modify environment and save a reference to it. The caller may no longer modify it.
* @param environment environment used to create the initial context. Null indicates an empty environment.
* @throws NamingException if a naming exception is encountered
* @since 1.5
*/
@SuppressWarnings("unchecked")
protected void init(final Hashtable environment) throws NamingException
{
// TODO ResourceManager.getInitialEnvironment(environment) is an internal API that is forbidden to access?
this.myProps = ResourceManager.getInitialEnvironment(environment);
if (this.myProps.get(Context.INITIAL_CONTEXT_FACTORY) != null)
{
// user has specified initial context factory; try to get it
getDefaultInitCtx();
}
}
/**
* returns the URL Scheme
* @param str the string
* @return URL
*/
private static String getURLScheme(final String str)
{
int colonPosn = str.indexOf(':');
int slashPosn = str.indexOf('/');
if (colonPosn > 0 && (slashPosn == -1 || colonPosn < slashPosn))
{
return str.substring(0, colonPosn);
}
return null;
}
/**
* Retrieves the initial context by calling NamingManager.getInitialContext() and cache it in defaultInitCtx. Set
* gotDefault so that we know we've tried this before.
* @return The non-null cached initial context.
* @throws NamingException If a naming exception was encountered.
*/
protected EventContext getDefaultInitCtx() throws NamingException
{
if (!this.gotDefault)
{
this.defaultInitCtx = (EventContext) NamingManager.getInitialContext(this.myProps);
this.gotDefault = true;
}
if (this.defaultInitCtx == null)
{
throw new NoInitialContextException();
}
return this.defaultInitCtx;
}
/**
* Retrieves a context for resolving the string name name. If name name is a URL string,
* then attempt to find a URL context for it. If none is found, or if name is not a URL string, then
* return getDefaultInitCtx().
*
* See getURLOrDefaultInitCtx(Name) for description of how a subclass should use this method.
* @param name The non-null name for which to get the context.
* @return A URL context for name or the cached initial context. The result cannot be null.
* @throws NamingException on exception
*/
protected Context getURLOrDefaultInitCtx(final String name) throws NamingException
{
if (NamingManager.hasInitialContextFactoryBuilder())
{
return getDefaultInitCtx();
}
String scheme = getURLScheme(name);
if (scheme != null)
{
Context ctx = NamingManager.getURLContext(scheme, this.myProps);
if (ctx != null)
{
return ctx;
}
}
return getDefaultInitCtx();
}
/**
* @param name The non-null name for which to get the context.
* @return A URL context for name
* @throws NamingException In a naming exception is encountered.
*/
protected Context getURLOrDefaultInitCtx(final Name name) throws NamingException
{
if (NamingManager.hasInitialContextFactoryBuilder())
{
return getDefaultInitCtx();
}
if (name.size() > 0)
{
String first = name.get(0);
String scheme = getURLScheme(first);
if (scheme != null)
{
Context ctx = NamingManager.getURLContext(scheme, this.myProps);
if (ctx != null)
{
return ctx;
}
}
}
return getDefaultInitCtx();
}
/**
* {@inheritDoc}
* @see javax.naming.Context#lookup(java.lang.String)
*/
public Object lookup(final String name) throws NamingException
{
return getURLOrDefaultInitCtx(name).lookup(name);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#lookup(javax.naming.Name)
*/
public Object lookup(final Name name) throws NamingException
{
return getURLOrDefaultInitCtx(name).lookup(name);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#bind(java.lang.String, java.lang.Object)
*/
public void bind(final String name, final Object obj) throws NamingException
{
getURLOrDefaultInitCtx(name).bind(name, obj);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#bind(javax.naming.Name, java.lang.Object)
*/
public void bind(final Name name, final Object obj) throws NamingException
{
getURLOrDefaultInitCtx(name).bind(name, obj);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#rebind(java.lang.String, java.lang.Object)
*/
public void rebind(final String name, final Object obj) throws NamingException
{
getURLOrDefaultInitCtx(name).rebind(name, obj);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#rebind(javax.naming.Name, java.lang.Object)
*/
public void rebind(final Name name, final Object obj) throws NamingException
{
getURLOrDefaultInitCtx(name).rebind(name, obj);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#unbind(java.lang.String)
*/
public void unbind(final String name) throws NamingException
{
getURLOrDefaultInitCtx(name).unbind(name);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#unbind(javax.naming.Name)
*/
public void unbind(final Name name) throws NamingException
{
getURLOrDefaultInitCtx(name).unbind(name);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#rename(java.lang.String, java.lang.String)
*/
public void rename(final String oldName, final String newName) throws NamingException
{
getURLOrDefaultInitCtx(oldName).rename(oldName, newName);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#rename(javax.naming.Name, javax.naming.Name)
*/
public void rename(final Name oldName, final Name newName) throws NamingException
{
getURLOrDefaultInitCtx(oldName).rename(oldName, newName);
}
/**
* {@inheritDoc}
* @see javax.naming.Context#list(java.lang.String)
*/
public NamingEnumeration