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25 package org.coach.actor.namingBrowser;
26
27 import javax.swing.tree.*;
28 import org.omg.CosNaming.*;
29 import org.omg.CosNaming.NamingContextPackage.*;
30 import org.omg.CORBA.*;
31
32 public class NameNode extends DefaultMutableTreeNode {
33 private static org.omg.CORBA.ORB  orb;
34 private boolean explored = false;
35 private Binding binding;
36 private NamingContext context;
37 private org.omg.CORBA.Object obj;
38
39 public NameNode(Binding bi, NamingContext nc) {
40 binding = bi;
41 context = nc;
42 setUserObject(this);
43 }
44
45 public static void setOrb(org.omg.CORBA.ORB o) {
46 orb = o;
47 }
48
49 public static org.omg.CORBA.ORB getOrb() {
50 return orb;
51 }
52
53 public boolean getAllowsChildren() {
54 return isContext();
55 }
56
57 public boolean isLeaf() {
58 return !isContext();
59 }
60
61 public NamingContext getNamingContext() {
62 return context;
63 }
64
65 public void explore() {
66 explore(false);
67 }
68
69 public boolean isExplored() {
70 return explored;
71 }
72
73 public boolean isContext() {
74 return context != null;
75 }
76
77 public String toString() {
78 return binding.binding_name[0].id + " " + binding.binding_name[0].kind;
79 }
80
81 public String getIor() {
82 String ior = "context!";
83 org.omg.CORBA.Object obj = getObject();
84 if (obj != null) {
85 try {
86 ior = orb.object_to_string(obj);
87 } catch (Exception e) {
88 e.printStackTrace();
89 }
90 }
91 return ior;
92 }
93
94 public org.omg.CORBA.Object getObject() {
95 if (obj != null) {
96 return obj;
97 }
98 if (!isContext()) {
99 try {
100 NameNode p = (NameNode)getParent();
101 NamingContext ctx = p.getNamingContext();
102 obj = ctx.resolve(binding.binding_name);
103 return obj;
104 } catch (Exception e) {
105 e.printStackTrace();
106 }
107 }
108 return null;
109 }
110
111 public boolean ping() {
112 if (!isContext()) {
113 String ior = getIor();
114 org.omg.CORBA.Object obj = orb.string_to_object(ior);
115 if (obj != null) {
116 try {
117 obj._is_a("dummy");
118 } catch (Exception e) {
119 return false;
120 }
121 return true;
122 }
123 }
124 return false;
125 }
126
127 public void explore(boolean force) {
128 if(!isExplored() || force) {
129 removeAllChildren();
130 BindingListHolder blHolder = new BindingListHolder();
131 BindingIteratorHolder biHolder = new BindingIteratorHolder();
132
133 context.list(1000, blHolder, biHolder);
134
135 Binding[] children = blHolder.value;
136
137 NamingContext nc;
138 try {
139 for(int i=0; i < children.length; i++) {
140 if (children[i].binding_type == BindingType.ncontext) {
141 nc = NamingContextHelper.narrow(context.resolve(children[i].binding_name));
142 } else {
143 nc = null;
144 }
145 add(new NameNode(children[i], nc));
146 }
147 } catch (Exception e) {
148 e.printStackTrace();
149 }
150
151 explored = true;
152 }
153 }
154
155 private void removeAllBindings() {
156 int cnt = getChildCount() - 1;
157 for (int i = 0; i < cnt; i++) {
158 removeBinding(i);
159 }
160 }
161
162 public void removeBinding(int n) {
163 NameNode child = (NameNode)getChildAt(n);
164 child.removeBinding();
165 }
166
167 public void removeBinding() {
168 try {
169 NamingContext ctx = ((NameNode)getParent()).getNamingContext();
170 ctx.unbind(binding.binding_name);
171 removeFromParent();
172 } catch (Exception e) {
173 e.printStackTrace();
174 }
175 }
176
177 private void printPath(NameComponent[] nc) {
178 System.out.print("path:");
179 for (int i = 0; i < nc.length; i++) {
180 System.out.print(nc[i].id);
181 }
182 }
183 }
184 |
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