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1
23
24 package org.objectweb.fractal.gui.menu.control;
25
26 import org.objectweb.fractal.gui.model.Component;
27 import org.objectweb.fractal.gui.model.ServerInterface;
28 import org.objectweb.fractal.gui.model.ClientInterface;
29 import org.objectweb.fractal.gui.model.Interface;
30 import org.objectweb.asm.ClassReader;
31 import org.objectweb.asm.ClassVisitor;
32 import org.objectweb.asm.CodeVisitor;
33 import org.objectweb.asm.Constants;
34 import org.objectweb.asm.Type;
35 import org.objectweb.asm.Attribute;
36
37 import java.awt.event.ActionEvent  ;
38 import java.net.URL ;
39 import java.io.IOException ;
40 import java.util.Map ;
41 import java.util.HashMap ;
42 import java.util.List ;
43
44 import javax.swing.ImageIcon ;
45 import javax.swing.JOptionPane ;
46 import javax.swing.KeyStroke ;
47
48
51
52 public class GenerateComponentAction extends CreateAction {
53
54
57
58 private String lastClassName;
59
60
63
64 public GenerateComponentAction () {
65 putValue(NAME, "New component...");
66 putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke("control INSERT"));
67 URL url = getClass().getResource(
68 "/org/objectweb/fractal/gui/resources/empty.gif");
69 putValue(SMALL_ICON, new ImageIcon (url));
70 setEnabled(false);
71 }
72
73
77 public void selectionChanged () {
78 boolean enabled = false;
79 Object o = selection.getSelection();
80 if (o instanceof Component) {
81 Component c = (Component)o;
82 enabled = c.getMasterComponent() == null;
83 }
84 setEnabled(enabled);
85 }
86
87
91 public void actionPerformed (final ActionEvent e) {
92 String s = (String )JOptionPane.showInputDialog(
93 null,
94 "Enter the name of an existing primitive component class",
95 "New Component",
96 JOptionPane.QUESTION_MESSAGE,
97 null,
98 null,
99 lastClassName);
100 if (s != null) {
101 lastClassName = s;
102 ClassReader cr;
103 try {
104 cr = new ClassReader(s);
105 } catch (IOException ioe) {
106 JOptionPane.showMessageDialog(
107 null, ioe.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
108 return;
109 }
110 Object o = selection.getSelection();
111 Component parent = (Component)o;
112 Component child = factory.createComponent();
113 cr.accept(new ClassAnalyzer(child), true);
114 parent.addSubComponent(child);
115 }
117 }
118
119
124
125 class ClassAnalyzer implements ClassVisitor {
126
127
131
132 private Component component;
133
134
137
138 private Map fields;
139
140
146
147 public ClassAnalyzer (final Component component) {
148 this.component = component;
149 this.fields = new HashMap ();
150 }
151
152 public void visit (
153 final int version,
154 final int access,
155 final String name,
156 final String superName,
157 final String [] interfaces,
158 final String sourceFile)
159 {
160 if (!superName.equals("java/lang/Object")) {
161 try {
162 ClassReader cr = new ClassReader(superName.replace('/', '.'));
163 cr.accept(this, true);
164 } catch (IOException ioe) {
165 }
166 }
167 if (name.indexOf('/') != -1) {
168 component.setName(name.substring(name.lastIndexOf('/') + 1));
169 } else {
170 component.setName(name);
171 }
172 component.setType(name.replace('/', '.'));
173 component.setImplementation(name.replace('/', '.'));
174 for (int i = 0; i < interfaces.length; ++i) {
175 if (interfaces[i].equals(
176 "org/objectweb/fractal/api/control/BindingController") ||
177 interfaces[i].equals("java/lang/Cloneable") ||
178 interfaces[i].equals("java/io/Serializable"))
179 {
180 continue;
181 }
182 String s = interfaces[i].substring(interfaces[i].lastIndexOf('/') + 1);
183 StringBuffer buf = new StringBuffer ();
184 for (int j = 0; j < s.length(); ++j) {
185 if (Character.isUpperCase(s.charAt(j))) {
186 if (j > 0) {
187 buf.append('-');
188 }
189 buf.append(Character.toLowerCase(s.charAt(j)));
190 } else {
191 buf.append(s.charAt(j));
192 }
193 }
194 ServerInterface sitf = factory.createServerInterface(component);
195 sitf.setSignature(interfaces[i].replace('/', '.'));
196 sitf.setName(buf.toString());
197 component.addServerInterface(sitf);
198 }
199 }
200
201 public void visitInnerClass (
202 final String name,
203 final String outerName,
204 final String innerName,
205 final int access)
206 {
207 }
209
210 public void visitField (
211 final int access,
212 final String name,
213 final String desc,
214 final Object value,
215 final Attribute attrs)
216 {
217 if ((access & Constants.ACC_STATIC) != 0) {
218 if (name.endsWith("_BINDING") && value instanceof String ) {
219 ClientInterface citf = factory.createClientInterface(component);
220 citf.setName((String )value);
221 component.addClientInterface(citf);
222 }
223 } else {
224 fields.put(name, desc);
225 }
226 }
227
228 public CodeVisitor visitMethod (
229 final int access,
230 final String name,
231 final String desc,
232 final String [] exceptions,
233 final Attribute attrs)
234 {
235 return null;
236 }
237
238 public void visitAttribute (final Attribute attribute) {
239 }
241
242 public void visitEnd () {
243 List itfs = component.getClientInterfaces();
244 for (int i = 0; i < itfs.size(); ++i) {
245 Interface itf = (Interface)itfs.get(i);
246 String desc = (String )fields.get(itf.getName());
247 if (desc != null) {
248 Type type = Type.getType(desc);
249 if (type.getSort() == Type.OBJECT) {
250 itf.setSignature(type.getClassName());
251 }
252 }
253 }
254 }
255 }
256 }
257 |
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