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1
8 package mx4j.tools.adaptor.http;
9
10 import java.io.IOException  ;
11 import java.lang.reflect.Constructor ;
12 import java.util.Arrays ;
13 import javax.management.JMException ;
14 import javax.management.loading.DefaultLoaderRepository ;
15
16 import org.w3c.dom.Document ;
17 import org.w3c.dom.Element ;
18
19
25 public class ConstructorsCommandProcessor extends HttpCommandProcessorAdaptor
26 {
27 public ConstructorsCommandProcessor()
28 {
29 }
30
31 public Document executeRequest(HttpInputStream in) throws IOException , JMException
32 {
33 Document document = builder.newDocument();
34
35 String classname = in.getVariable("classname");
36 if (classname == null || classname.trim().length() == 0)
37 {
38 return createException(document, "", "classname parameter required");
39 }
40 else
41 {
42 Class targetClass = null;
44 try
45 {
46 targetClass = DefaultLoaderRepository.loadClass(classname);
47 }
48 catch (ClassNotFoundException e)
49 {
50 }
51 try
52 {
53 if (targetClass == null)
54 {
55 targetClass = ClassLoader.getSystemClassLoader().loadClass(classname);
56 }
57 }
58 catch (ClassNotFoundException e)
59 {
60 }
61 try
62 {
63 if (targetClass == null)
64 {
65 targetClass = getClass().getClassLoader().loadClass(classname);
66 }
67 }
68 catch (ClassNotFoundException e)
69 {
70 }
71
72 if (targetClass == null)
73 {
74 return createException(document, classname, "class " + classname + " not found");
75 }
76
77 Element root = document.createElement("Class");
78 root.setAttribute("classname", classname);
79 document.appendChild(root);
80 Constructor [] constructors = targetClass.getConstructors();
81 Arrays.sort(constructors, CommandProcessorUtil.createConstructorComparator());
82 for (int i = 0; i < constructors.length; i++)
83 {
84 System.out.println("Constructor " + constructors[i]);
85 Element constructor = document.createElement("Constructor");
86 constructor.setAttribute("name", constructors[i].getName());
87 addParameters(constructor, document, constructors[i].getParameterTypes());
88 root.appendChild(constructor);
89 }
90 }
91 return document;
92 }
93
94 protected void addParameters(Element node, Document document, Class [] parameters)
95 {
96 for (int j = 0; j < parameters.length; j++)
97 {
98 Element parameter = document.createElement("Parameter");
99 parameter.setAttribute("type", parameters[j].getName());
100 parameter.setAttribute("strinit", String.valueOf(CommandProcessorUtil.canCreateParameterValue(parameters[j].getName())));
101 parameter.setAttribute("id", "" + j);
103 node.appendChild(parameter);
104 }
105 }
106
107 private Document createException(Document document, String classname, String message)
108 {
109 Element exceptionElement = document.createElement("Exception");
110 document.appendChild(exceptionElement);
111 exceptionElement.setAttribute("classname", classname);
112 exceptionElement.setAttribute("errorMsg", message);
113 return document;
114 }
115
116 }
117 |
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