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nl.tudelft.simulation.naming
Class InitialEventContext

java.lang.Object
  extended bynl.tudelft.simulation.naming.InitialEventContext
All Implemented Interfaces:
javax.naming.Context, javax.naming.event.EventContext
public class InitialEventContext
extends java.lang.Object
implements javax.naming.event.EventContext

This class is the starting context for performing naming operations.

(c) copyright 2003 Delft University of Technology , the Netherlands.
See for project information www.simulation.tudelft.nl
License of use: General Public License (GPL) , no warranty

Since:
1.3
Version:
1.2 2004-03-24
Author:
Peter Jacobs

Field Summary
protected  javax.naming.event.EventContext defaultInitCtx
          Field holding the result of calling NamingManager.getInitialContext().
protected  boolean gotDefault
          Field indicating whether the initial context has been obtained by calling NamingManager.getInitialContext().
protected  java.util.Hashtable myProps
          the properties of the initialEventContext
 
Fields inherited from interface javax.naming.event.EventContext
OBJECT_SCOPE, ONELEVEL_SCOPE, SUBTREE_SCOPE
 
Fields inherited from interface javax.naming.Context
APPLET, AUTHORITATIVE, BATCHSIZE, DNS_URL, INITIAL_CONTEXT_FACTORY, LANGUAGE, OBJECT_FACTORIES, PROVIDER_URL, REFERRAL, SECURITY_AUTHENTICATION, SECURITY_CREDENTIALS, SECURITY_PRINCIPAL, SECURITY_PROTOCOL, STATE_FACTORIES, URL_PKG_PREFIXES
 
Constructor Summary
  InitialEventContext()
          Constructs an initial context.
protected InitialEventContext(boolean lazy)
          Constructs an initial context with the option of not initializing it.
  InitialEventContext(java.util.Hashtable environment)
          Constructs an initial context using the supplied environment.
 
Method Summary
 void addNamingListener(javax.naming.Name target, int scope, javax.naming.event.NamingListener l)
           
 void addNamingListener(java.lang.String target, int scope, javax.naming.event.NamingListener l)
           
 java.lang.Object addToEnvironment(java.lang.String propName, java.lang.Object propVal)
           
 void bind(javax.naming.Name name, java.lang.Object obj)
           
 void bind(java.lang.String name, java.lang.Object obj)
           
 void close()
           
 javax.naming.Name composeName(javax.naming.Name name, javax.naming.Name prefix)
          Composes the name of this context with a name relative to this context.
 java.lang.String composeName(java.lang.String name, java.lang.String prefix)
          Composes the name of this context with a name relative to this context.
 javax.naming.Context createSubcontext(javax.naming.Name name)
           
 javax.naming.Context createSubcontext(java.lang.String name)
           
 void destroySubcontext(javax.naming.Name name)
           
 void destroySubcontext(java.lang.String name)
           
protected  javax.naming.event.EventContext getDefaultInitCtx()
          Retrieves the initial context by calling NamingManager.getInitialContext() and cache it in defaultInitCtx.
 java.util.Hashtable getEnvironment()
           
 java.lang.String getNameInNamespace()
           
 javax.naming.NameParser getNameParser(javax.naming.Name name)
           
 javax.naming.NameParser getNameParser(java.lang.String name)
           
protected  javax.naming.Context getURLOrDefaultInitCtx(javax.naming.Name name)
           
protected  javax.naming.Context getURLOrDefaultInitCtx(java.lang.String name)
          Retrieves a context for resolving the string name name.
protected  void init(java.util.Hashtable environment)
          Initializes the initial context using the supplied environment.
 javax.naming.NamingEnumeration list(javax.naming.Name name)
           
 javax.naming.NamingEnumeration list(java.lang.String name)
           
 javax.naming.NamingEnumeration listBindings(javax.naming.Name name)
           
 javax.naming.NamingEnumeration listBindings(java.lang.String name)
           
 java.lang.Object lookup(javax.naming.Name name)
           
 java.lang.Object lookup(java.lang.String name)
           
 java.lang.Object lookupLink(javax.naming.Name name)
           
 java.lang.Object lookupLink(java.lang.String name)
           
 void rebind(javax.naming.Name name, java.lang.Object obj)
           
 void rebind(java.lang.String name, java.lang.Object obj)
           
 java.lang.Object removeFromEnvironment(java.lang.String propName)
           
 void removeNamingListener(javax.naming.event.NamingListener l)
           
 void rename(javax.naming.Name oldName, javax.naming.Name newName)
           
 void rename(java.lang.String oldName, java.lang.String newName)
           
 boolean targetMustExist()
           
 void unbind(javax.naming.Name name)
           
 void unbind(java.lang.String name)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

myProps

protected java.util.Hashtable myProps
the properties of the initialEventContext

defaultInitCtx

protected javax.naming.event.EventContext defaultInitCtx
Field holding the result of calling NamingManager.getInitialContext(). It is set by getDefaultInitCtx() the first time getDefaultInitCtx() is called. Subsequent invocations of getDefaultInitCtx() return the value of defaultInitCtx.

gotDefault

protected boolean gotDefault
Field indicating whether the initial context has been obtained by calling NamingManager.getInitialContext(). If true, its result is in defaultInitCtx.

Constructor Detail

InitialEventContext

protected InitialEventContext(boolean lazy)
                       throws javax.naming.NamingException
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.

Parameters:
lazy - true means do not initialize the initial context; false is equivalent to calling new InitialContext()
Throws:
javax.naming.NamingException - if a naming exception is encountered
Since:
1.3
See Also:
init(Hashtable)

InitialEventContext

public InitialEventContext()
                    throws javax.naming.NamingException
Constructs an initial context. No environment properties are supplied. Equivalent to new InitialContext(null).

Throws:
javax.naming.NamingException - if a naming exception is encountered

InitialEventContext

public InitialEventContext(java.util.Hashtable environment)
                    throws javax.naming.NamingException
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.

Parameters:
environment - environment used to create the initial context. Null indicates an empty environment.
Throws:
javax.naming.NamingException - if a naming exception is encountered
Method Detail

init

protected void init(java.util.Hashtable environment)
             throws javax.naming.NamingException
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.

Parameters:
environment - environment used to create the initial context. Null indicates an empty environment.
Throws:
javax.naming.NamingException - if a naming exception is encountered
Since:
1.3

getDefaultInitCtx

protected javax.naming.event.EventContext getDefaultInitCtx()
                                                     throws javax.naming.NamingException
Retrieves the initial context by calling NamingManager.getInitialContext() and cache it in defaultInitCtx. Set gotDefault so that we know we've tried this before.

Returns:
The non-null cached initial context.
Throws:
javax.naming.NamingException - If a naming exception was encountered.

getURLOrDefaultInitCtx

protected javax.naming.Context getURLOrDefaultInitCtx(java.lang.String name)
                                               throws javax.naming.NamingException
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.

Parameters:
name - The non-null name for which to get the context.
Returns:
A URL context for name or the cached initial context. The result cannot be null.
Throws:
javax.naming.NamingException - on exception

getURLOrDefaultInitCtx

protected javax.naming.Context getURLOrDefaultInitCtx(javax.naming.Name name)
                                               throws javax.naming.NamingException
Parameters:
name - The non-null name for which to get the context.
Returns:
A URL context for name
Throws:
javax.naming.NamingException - In a naming exception is encountered.

lookup

public java.lang.Object lookup(java.lang.String name)
                        throws javax.naming.NamingException
Specified by:
lookup in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.lookup(java.lang.String)

lookup

public java.lang.Object lookup(javax.naming.Name name)
                        throws javax.naming.NamingException
Specified by:
lookup in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.lookup(javax.naming.Name)

bind

public void bind(java.lang.String name,
                 java.lang.Object obj)
          throws javax.naming.NamingException
Specified by:
bind in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.bind(java.lang.String, java.lang.Object)

bind

public void bind(javax.naming.Name name,
                 java.lang.Object obj)
          throws javax.naming.NamingException
Specified by:
bind in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.bind(javax.naming.Name, java.lang.Object)

rebind

public void rebind(java.lang.String name,
                   java.lang.Object obj)
            throws javax.naming.NamingException
Specified by:
rebind in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.rebind(java.lang.String, java.lang.Object)

rebind

public void rebind(javax.naming.Name name,
                   java.lang.Object obj)
            throws javax.naming.NamingException
Specified by:
rebind in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.rebind(javax.naming.Name, java.lang.Object)

unbind

public void unbind(java.lang.String name)
            throws javax.naming.NamingException
Specified by:
unbind in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.unbind(java.lang.String)

unbind

public void unbind(javax.naming.Name name)
            throws javax.naming.NamingException
Specified by:
unbind in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.unbind(javax.naming.Name)

rename

public void rename(java.lang.String oldName,
                   java.lang.String newName)
            throws javax.naming.NamingException
Specified by:
rename in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.rename(java.lang.String, java.lang.String)

rename

public void rename(javax.naming.Name oldName,
                   javax.naming.Name newName)
            throws javax.naming.NamingException
Specified by:
rename in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.rename(javax.naming.Name, javax.naming.Name)

list

public javax.naming.NamingEnumeration list(java.lang.String name)
                                    throws javax.naming.NamingException
Specified by:
list in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.list(java.lang.String)

list

public javax.naming.NamingEnumeration list(javax.naming.Name name)
                                    throws javax.naming.NamingException
Specified by:
list in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.list(javax.naming.Name)

listBindings

public javax.naming.NamingEnumeration listBindings(java.lang.String name)
                                            throws javax.naming.NamingException
Specified by:
listBindings in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.listBindings(java.lang.String)

listBindings

public javax.naming.NamingEnumeration listBindings(javax.naming.Name name)
                                            throws javax.naming.NamingException
Specified by:
listBindings in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.listBindings(javax.naming.Name)

destroySubcontext

public void destroySubcontext(java.lang.String name)
                       throws javax.naming.NamingException
Specified by:
destroySubcontext in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.destroySubcontext(java.lang.String)

destroySubcontext

public void destroySubcontext(javax.naming.Name name)
                       throws javax.naming.NamingException
Specified by:
destroySubcontext in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.destroySubcontext(javax.naming.Name)

createSubcontext

public javax.naming.Context createSubcontext(java.lang.String name)
                                      throws javax.naming.NamingException
Specified by:
createSubcontext in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.createSubcontext(java.lang.String)

createSubcontext

public javax.naming.Context createSubcontext(javax.naming.Name name)
                                      throws javax.naming.NamingException
Specified by:
createSubcontext in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.createSubcontext(javax.naming.Name)

lookupLink

public java.lang.Object lookupLink(java.lang.String name)
                            throws javax.naming.NamingException
Specified by:
lookupLink in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.lookupLink(java.lang.String)

lookupLink

public java.lang.Object lookupLink(javax.naming.Name name)
                            throws javax.naming.NamingException
Specified by:
lookupLink in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.lookupLink(javax.naming.Name)

getNameParser

public javax.naming.NameParser getNameParser(java.lang.String name)
                                      throws javax.naming.NamingException
Specified by:
getNameParser in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.getNameParser(java.lang.String)

getNameParser

public javax.naming.NameParser getNameParser(javax.naming.Name name)
                                      throws javax.naming.NamingException
Specified by:
getNameParser in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.getNameParser(javax.naming.Name)

composeName

public java.lang.String composeName(java.lang.String name,
                                    java.lang.String prefix)
                             throws javax.naming.NamingException
Composes the name of this context with a name relative to this context. Since an initial context may never be named relative to any context other than itself, the value of the prefix parameter must be an empty name ("").

Specified by:
composeName in interface javax.naming.Context
Parameters:
name - the name
prefix - the prefix
Returns:
String
Throws:
javax.naming.NamingException - on exception

composeName

public javax.naming.Name composeName(javax.naming.Name name,
                                     javax.naming.Name prefix)
                              throws javax.naming.NamingException
Composes the name of this context with a name relative to this context. Since an initial context may never be named relative to any context other than itself, the value of the prefix parameter must be an empty name.

Specified by:
composeName in interface javax.naming.Context
Parameters:
name - the name
prefix - the prefix
Returns:
Name
Throws:
javax.naming.NamingException - on exception

addToEnvironment

public java.lang.Object addToEnvironment(java.lang.String propName,
                                         java.lang.Object propVal)
                                  throws javax.naming.NamingException
Specified by:
addToEnvironment in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
#addToEnvironment(java.lang.String, java.lang.Object)

removeFromEnvironment

public java.lang.Object removeFromEnvironment(java.lang.String propName)
                                       throws javax.naming.NamingException
Specified by:
removeFromEnvironment in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.removeFromEnvironment(java.lang.String)

getEnvironment

public java.util.Hashtable getEnvironment()
                                   throws javax.naming.NamingException
Specified by:
getEnvironment in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.getEnvironment()

close

public void close()
           throws javax.naming.NamingException
Specified by:
close in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.close()

getNameInNamespace

public java.lang.String getNameInNamespace()
                                    throws javax.naming.NamingException
Specified by:
getNameInNamespace in interface javax.naming.Context
Throws:
javax.naming.NamingException
See Also:
Context.getNameInNamespace()

addNamingListener

public void addNamingListener(javax.naming.Name target,
                              int scope,
                              javax.naming.event.NamingListener l)
                       throws javax.naming.NamingException
Specified by:
addNamingListener in interface javax.naming.event.EventContext
Throws:
javax.naming.NamingException
See Also:
#addNamingListener(javax.naming.Name, int, NamingListener)

addNamingListener

public void addNamingListener(java.lang.String target,
                              int scope,
                              javax.naming.event.NamingListener l)
                       throws javax.naming.NamingException
Specified by:
addNamingListener in interface javax.naming.event.EventContext
Throws:
javax.naming.NamingException
See Also:
#addNamingListener(java.lang.String, int, NamingListener)

removeNamingListener

public void removeNamingListener(javax.naming.event.NamingListener l)
                          throws javax.naming.NamingException
Specified by:
removeNamingListener in interface javax.naming.event.EventContext
Throws:
javax.naming.NamingException
See Also:
#removeNamingListener(javax.naming.event.NamingListener)

targetMustExist

public boolean targetMustExist()
                        throws javax.naming.NamingException
Specified by:
targetMustExist in interface javax.naming.event.EventContext
Throws:
javax.naming.NamingException
See Also:
EventContext.targetMustExist()
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Copyright © 2002-2004 Delft University of Technology, the Netherlands. All Rights Reserved.