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1 package thinlet.drafts;
2
3 import java.awt.*;
4 import java.lang.reflect.*;
5 import thinlet.*;
6
7
10 public class ClassExplorer {
11
12 private Image classicon, methodicon, parametericon, fieldicon, exceptionicon;
13
14
17 public void initClass(Thinlet thinlet, Object  combobox, Object tree) {
18 classicon = thinlet.getIcon("/icon/class.gif");
19 methodicon = thinlet.getIcon("/icon/method.gif");
20 parametericon = thinlet.getIcon("/icon/parameter.gif");
21 fieldicon = thinlet.getIcon("/icon/field.gif");
22 exceptionicon = thinlet.getIcon("/icon/exception.gif");
23
24 Class thinletclass = thinlet.getClass();
25 int n = 0;
26 for (Class c = thinletclass; c != null; c = c.getSuperclass()) {
27 Object choice = Thinlet.create("choice");
28 thinlet.setString(choice, "text", c.getName());
29 thinlet.setIcon(choice, "icon", classicon);
30 thinlet.add(combobox, choice, 0);
31 n++;
32 }
33 thinlet.setInteger(combobox, "selected", n - 1);
34
35 loadClass(thinlet, thinletclass.getName(), tree);
36 }
37
38
41 public void loadClass(Thinlet thinlet, String classname, Object tree) {
42 thinlet.removeAll(tree);
43 try {
44 Class aclass = Class.forName(classname);
45 Object classnode = createNode(thinlet, tree, aclass.getName(), classicon);
46 try {
47 Constructor[] constructors = aclass.getConstructors();
48 for (int i = 0; i < constructors.length; i++) {
49 Object constructornode = createNode(thinlet, classnode,
50 Modifier.toString(constructors[i].getModifiers()) + " " +
51 constructors[i].getName(), classicon);
52
53 Class [] cparameters = constructors[i].getParameterTypes();
54 Class [] cexceptions = constructors[i].getExceptionTypes();
55 if ((cparameters.length > 0) || (cexceptions.length > 0)) {
56 for (int j = 0; j < cparameters.length; j++) {
57 createNode(thinlet, constructornode, getNameOf(cparameters[j]), parametericon);
58 }
59 for (int j = 0; j < cexceptions.length; j++) {
60 createNode(thinlet, constructornode, getNameOf(cexceptions[j]), exceptionicon);
61 }
62 thinlet.setBoolean(constructornode, "expanded", false);
63 }
64 }
65
66 Field[] fields = aclass.getDeclaredFields();
67 for (int i = 0; i < fields.length; i++) {
68 Object fieldnode = createNode(thinlet, classnode,
69 Modifier.toString(fields[i].getModifiers()) + " " +
70 fields[i].getName(), fieldicon);
71 }
72
73 Method[] methods = aclass.getDeclaredMethods();
74 for (int i = 0; i < methods.length; i++) {
75 Object methodnode = createNode(thinlet, classnode,
76 Modifier.toString(methods[i].getModifiers()) + " " +
77 getNameOf(methods[i].getReturnType()) + " " +
78 methods[i].getName(), methodicon);
79
80 Class [] parameters = methods[i].getParameterTypes();
81 Class [] exceptions = methods[i].getExceptionTypes();
82 if ((parameters.length > 0) || (exceptions.length > 0)) {
83 for (int j = 0; j < parameters.length; j++) {
84 createNode(thinlet, methodnode, getNameOf(parameters[j]), parametericon);
85 }
86 for (int j = 0; j < exceptions.length; j++) {
87 createNode(thinlet, methodnode, getNameOf(exceptions[j]), exceptionicon);
88 }
89 thinlet.setBoolean(methodnode, "expanded", false);
90 }
91 }
92 } catch (SecurityException se) {
93 createNode(thinlet, classnode, se.getMessage(), exceptionicon);
94 }
95 } catch (ClassNotFoundException cnfe) { }
96 }
97
98 private Object createNode(Thinlet thinlet, Object parent, String text, Image icon) {
99 Object node = Thinlet.create("node");
100 thinlet.setString(node, "text", text);
101 thinlet.setIcon(node, "icon", icon);
102 thinlet.add(parent, node);
103 return node;
104 }
105
106 private String getNameOf(Class aclass) {
107 return (aclass.isArray()) ? (getNameOf(aclass.getComponentType()) + "[]") : aclass.getName();
108 }
109 } |
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