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1
20
21 package org.jacorb.naming.namemanager;
22
23
24 import java.awt.*;
25 import javax.swing.tree.*;
26 import javax.swing.event.*;
27 import javax.swing.*;
28 import org.omg.CosNaming.*;
29 import org.omg.CosNaming.NamingContextPackage.*;
30 import org.jacorb.naming.*;
31
32
36
37 public class NSTree
38 extends JTree
39 {
40 public static final int MAX_BIND = 40;
41 private NamingContextExt rootContext;
42 private ContextNode rootNode;
43 private Dimension size;
44 private boolean created;
45 private org.omg.CORBA.ORB  orb;
46
47 public static NSTable nsTable;
48
49 public NSTree(int width,
50 int height,
51 NSTable theTable,
52 NamingContextExt rootCntxt,
53 org.omg.CORBA.ORB orb)
54 {
55 this.orb = orb;
56 DefaultMutableTreeNode root = new DefaultMutableTreeNode("RootContext");
57 root.setAllowsChildren(true);
58 setModel(new DefaultTreeModel(root,true));
59 created = false;
60 size = new Dimension(width,height);
61 nsTable = theTable;
62 rootContext = rootCntxt;
63 ContextNode cn = new ContextNode(rootContext,(DefaultTreeModel)getModel());
64 cn.setNode(root);
65 root.setUserObject(cn);
66 }
67
68
71
72 public void bind(String name)
73 throws NotFound, CannotProceed, InvalidName, AlreadyBound
74 {
75 TreePath path = null;
76 int length = 0;
77 try
78 {
79 path = getSelectionPath();
80 length = path.getPathCount();
81 }
82 catch (Exception e)
83 {
84 JOptionPane.showMessageDialog(this,"Nothing selected",
85 "Selection error",JOptionPane.ERROR_MESSAGE);
86 return;
87 }
88
89 DefaultMutableTreeNode node = (DefaultMutableTreeNode) getModel().getRoot();
90 NamingContextExt context = rootContext;
91
92 if (length > 1)
93 {
94 for (int i = 1; i < length; i++)
95 {
96 node = (DefaultMutableTreeNode)path.getPathComponent(i);
97 ContextNode bind = (ContextNode)node.getUserObject();
98 context = NamingContextExtHelper.narrow(context.resolve(bind.getName()));
99 if( context == null )
100 {
101 System.err.println("Naming context narrow failed!");
102 System.exit(1);
103 }
104 }
105 }
106 if (node.getAllowsChildren())
107 {
108 Name bindname = new Name(name);
109 if( context == null )
110 System.err.println("context null ");
111
112 if( bindname.components() == null )
113 System.err.println("name is null ");
114
115 context.bind_new_context(bindname.components());
116 update();
117 }
118 else
119 {
120 JOptionPane.showMessageDialog(this,
121 "Please select a naming context",
122 "Selection error", JOptionPane.ERROR_MESSAGE);
123 }
124 }
125
126
127 public void bindObject( String name, String ior, boolean isRebind)
128 throws NotFound,CannotProceed,InvalidName, AlreadyBound
129 {
130 TreePath path = null;
131 int length = 0;
132 try
133 {
134 path = getSelectionPath();
135 length = path.getPathCount();
136 }
137 catch (Exception e)
138 {
139 JOptionPane.showMessageDialog(this,"Nothing selected",
140 "Selection error",JOptionPane.ERROR_MESSAGE);
141 return;
142 }
143
144 DefaultMutableTreeNode node = (DefaultMutableTreeNode) getModel().getRoot();
145 NamingContextExt context = rootContext;
146
147 if (length>1)
148 {
149 for (int i = 1;i<length;i++)
150 {
151 node = (DefaultMutableTreeNode) path.getPathComponent(i);
152 ContextNode bind = (ContextNode) node.getUserObject();
153 context = NamingContextExtHelper.narrow( context.resolve( bind.getName()));
154 if( context == null )
155 {
156 System.err.println("Naming context narrow failed!");
157 System.exit(1);
158 }
159 }
160 }
161 if (node.getAllowsChildren())
162 {
163 Name bindname = new Name(name);
164 if( context == null )
165 System.err.println("context null ");
166
167 if( bindname.components() == null )
168 System.err.println("name is null ");
169
170 try
171 {
172 context.bind( bindname.components(), orb.string_to_object( ior ));
173 }
174 catch( AlreadyBound ab )
175 {
176 if (isRebind)
177 context.rebind( bindname.components(), orb.string_to_object( ior ));
178 else
179 throw ab;
180 }
181 update();
182 }
183 else
184 {
185 JOptionPane.showMessageDialog(this,
186 "Please select a naming context",
187 "Selection error", JOptionPane.ERROR_MESSAGE);
188 }
189 }
190
191
192
193 public Dimension getPreferredSize()
194 {
195 if (!created)
196 {
197 created = true;
198 return size;
199 }
200 else
201 return super.getPreferredSize();
202 }
203
204
207
208 public void unbind()
209 {
210 DefaultMutableTreeNode node;
211 NamingContextExt context = rootContext;
212 TreePath path = null;
213 int length = 0;
214 try
215 {
216 path = getSelectionPath();
217 length = path.getPathCount();
218 if (length > 1)
219 {
220 for (int i = 1; i < length-1; i++)
221 {
222 node = (DefaultMutableTreeNode)path.getPathComponent(i);
223 ContextNode bind = (ContextNode)node.getUserObject();
224 context = NamingContextExtHelper.narrow(context.resolve(bind.getName()));
225 }
226 }
227
228 if (length > 0)
229 {
230 node = (DefaultMutableTreeNode)path.getPathComponent(length-1);
231 ContextNode binding = (ContextNode)node.getUserObject();
232 context.unbind(binding.getName());
233 DefaultTreeModel model = (DefaultTreeModel)getModel();
234 model.removeNodeFromParent(node);
235
236 DefaultMutableTreeNode parent = (DefaultMutableTreeNode)path.getPathComponent(length-2);
238 setSelectionPath(new TreePath(parent.getPath()));
239 ((ContextNode)parent.getUserObject()).display();
240 }
241 }
242 catch (Exception e)
243 {
244 e.printStackTrace();
245
246 JOptionPane.showMessageDialog(this,
247 "Nothing selected or invalid selection",
248 "Selection error",
249 JOptionPane.ERROR_MESSAGE);
250 }
251 }
252
253
254
257
258 public synchronized void update()
259 {
260 DefaultTreeModel model = (DefaultTreeModel)getModel();
261 ((ContextNode)((DefaultMutableTreeNode)model.getRoot()).getUserObject()).update();
262 nsTable.update();
263 }
264 }
265
266
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