package org.jacorb.naming.namemanager;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2004 Gerald Brose.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import java.util.Vector;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import org.jacorb.orb.iiop.IIOPAddress;
import org.jacorb.orb.iiop.IIOPProfile;
import org.omg.CosNaming.Binding;
import org.omg.CosNaming.BindingIteratorHolder;
import org.omg.CosNaming.BindingListHolder;
import org.omg.CosNaming.BindingType;
import org.omg.CosNaming.NameComponent;
import org.omg.CosNaming.NamingContextExt;
import org.omg.CosNaming.NamingContextExtHelper;
/**
* @author Gerald Brose, FU Berlin
* @version $Id: ContextNode.java,v 1.17 2008-11-14 08:55:30 nick.cross Exp $
*/
public class ContextNode
{
protected Binding[] contents;
public boolean matched;
public boolean used;
public NamingContextExt context;
private DefaultMutableTreeNode myDefaultNode;
private DefaultTreeModel model;
private Binding binding;
private Vector bindingData;
private String myName;
public ContextNode( NamingContextExt context, DefaultTreeModel model )
{
used = false;
this.model = model;
this.context = context;
}
public ContextNode( NamingContextExt context,
Binding b,
DefaultTreeModel model)
{
used = false;
this.model = model;
this.context = context;
binding = b;
}
/**
*
*/
public void display()
{
update();
if( bindingData != null )
NSTree.nsTable.setData( bindingData, this );
}
public boolean equals(ContextNode bnode)
{
return toString().equals(bnode.toString());
}
public NameComponent[] getName()
{
return binding.binding_name;
}
/**
*
* @param node javax.swing.tree.DefaultMutableTreeNode
*/
public void setNode(DefaultMutableTreeNode node)
{
this.myDefaultNode = node;
}
public String toString()
{
if (binding == null)
{
return "RootContext";
}
if (myName == null)
{
NameComponent[] name = binding.binding_name;
String kind = name[name.length - 1].kind;
myName = name[name.length - 1].id
+ (kind != null && kind.length() > 0 ? "." + kind : "");
}
return myName;
}
public void unbind(NameComponent [] nc)
throws org.omg.CosNaming.NamingContextPackage.NotFound,
org.omg.CosNaming.NamingContextPackage.CannotProceed,
org.omg.CosNaming.NamingContextPackage.InvalidName
{
context.unbind(nc);
}
/**
* update the content of this node and all its children
*/
public synchronized void update()
{
try
{
BindingListHolder blsoh = new BindingListHolder();
BindingIteratorHolder bioh = new BindingIteratorHolder();
ContextNode context_node;
context.list( NSTree.MAX_BIND, blsoh, bioh);
Binding[] bindings = blsoh.value;
int childCount = myDefaultNode.getChildCount();
// set up lists of object bindings and subcontext bindings
int context_count = 0;
int object_count = 0;
for( int i = 0; i < bindings.length; i++ )
{
if( bindings[i].binding_type == BindingType.ncontext )
context_count++;
else
object_count++;
}
ContextNode[] contexts = new ContextNode[context_count];
Binding[] objects = new Binding[object_count];
for( int i = 0; i < bindings.length; i++ )
{
if( bindings[i].binding_type == BindingType.ncontext)
contexts[ --context_count ] =
new ContextNode( NamingContextExtHelper.narrow( context.resolve(bindings[i].binding_name)), bindings[i], model );
else
objects[ --object_count ] = bindings[i];
}
// Compare this node's sub contexts and mark those found
// in the list of context bindings as used
for( int i = 0; i < childCount; i++ )
{
DefaultMutableTreeNode dmtn =
(DefaultMutableTreeNode)myDefaultNode.getChildAt(i);
context_node = (ContextNode)dmtn.getUserObject();
for (int j = 0; j < contexts.length; j++)
{
if (context_node.equals(contexts[j]))
{
context_node.matched = true;
contexts[j].matched = true;
}
}
}
// Delete those child nodes that were not found in the
// list
Vector removeList = new Vector();
for (int i = 0; i < childCount; i++)
{
DefaultMutableTreeNode node =
(DefaultMutableTreeNode)myDefaultNode.getChildAt(i);
context_node = (ContextNode)node.getUserObject();
if (!context_node.matched)
{
removeList.addElement(node);
}
else
context_node.matched=false;
}
int rsize = removeList.size();
for(int i = 0; i < rsize; i++)
{
model.removeNodeFromParent((DefaultMutableTreeNode)removeList.elementAt(i));
}
bindingData = new Vector();
// Insert new context nodes found in the list as
// children of this tree node
for (int i = 0; i < contexts.length; i++)
{
if (!contexts[i].matched)
{
contexts[i].used=true;
DefaultMutableTreeNode node = new DefaultMutableTreeNode();
// tree node and context node need to know each other:
contexts[i].setNode(node);
node.setUserObject(contexts[i]);
node.setAllowsChildren(true);
model.insertNodeInto(node,myDefaultNode,0);
}
NameComponent last =
contexts[i].binding.binding_name[ contexts[i].binding.binding_name.length-1];
NameComponent[] ncs = {last};
org.jacorb.orb.ParsedIOR pior = null;
try
{
pior =
((org.jacorb.orb.Delegate)((org.omg.CORBA.portable.ObjectImpl)context.resolve(
ncs ))._get_delegate()).getParsedIOR();
}
catch( org.omg.CosNaming.NamingContextPackage.NotFound nf )
{
// the named object could have disappeared from the
// naming context in the meantime. If it has, we simply
// continue
continue;
}
Vector row = createRow(last, pior);
bindingData.addElement( row );
}
for( int i = 0; i < objects.length; i++ )
{
NameComponent last =
objects[i].binding_name[ objects[i].binding_name.length-1];
NameComponent[] ncs = {last};
org.jacorb.orb.ParsedIOR pior = null;
try
{
pior =
((org.jacorb.orb.Delegate)((org.omg.CORBA.portable.ObjectImpl)context.resolve(
ncs ))._get_delegate()).getParsedIOR();
}
catch( org.omg.CosNaming.NamingContextPackage.NotFound nf )
{
// the named object could have disappeared from the
// naming context in the meantime. If it has, we simply
// continue
continue;
}
Vector row = createRow(last, pior);
bindingData.addElement( row );
}
// recursively update child nodes
childCount = myDefaultNode.getChildCount();
for (int i = 0; i < childCount; i++ )
{
DefaultMutableTreeNode dmtn =
(DefaultMutableTreeNode)myDefaultNode.getChildAt(i);
context_node = (ContextNode)dmtn.getUserObject();
// Name name = new Name(bindings[i].binding_name);
context_node.update();
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
private Vector createRow(NameComponent last, org.jacorb.orb.ParsedIOR pior)
{
Vector row = new Vector();
row.addElement( last.id );
row.addElement( last.kind);
row.addElement( pior.getTypeId() );
IIOPProfile p = (IIOPProfile)pior.getEffectiveProfile();
final IIOPAddress iiopAddress = (IIOPAddress)p.getAddress();
row.addElement( iiopAddress.getIP() );
row.addElement( Integer.toString(iiopAddress.getPort()) );
return row;
}
}