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1
45 package org.openejb.webadmin.clienttools;
46
47 import java.io.IOException  ;
48 import java.io.PrintWriter ;
49 import java.lang.reflect.Method ;
50 import java.lang.reflect.Modifier ;
51
52 import org.openejb.webadmin.HttpRequest;
53 import org.openejb.webadmin.HttpResponse;
54 import org.openejb.webadmin.WebAdminBean;
55
56
59 public class ViewClassBean extends WebAdminBean implements Constants {
60
61 boolean hasMethods;
62
63 public void preProcess(HttpRequest request, HttpResponse response)
64 throws IOException {
65 }
66
67 public void postProcess(HttpRequest request, HttpResponse response)
68 throws IOException {
69 }
70
71 public void writeHtmlTitle(PrintWriter out) throws IOException {
72 out.write("Client Tools -- JNDI Viewer");
73 }
74
75 public void writePageTitle(PrintWriter out) throws IOException {
76 out.write("JNDI Viewer");
77 }
78
79 public void writeBody(PrintWriter out) throws IOException {
80 try {
81 String className = request.getQueryParameter("class");
82 if (className == null) {
83 out.print("<b>Enter a class name to browse:</b>");
84 out.print(
85 "<FORM NAME='view' METHOD='GET' ACTION='"+VIEW_CLASS+"'>");
86 out.print(
87 "<INPUT type='text' NAME='class' size='40' VALUE=''>");
88 out.print("<INPUT type='SUBMIT' NAME='view' value='View'>");
89 out.print("</form>");
90 out.print("<b>Or browse one of these fun classes:</b><br><br>");
91 out.print(tab + getClassRef("javax.ejb.EJBHome") + "<br>");
92 out.print(tab + getClassRef("javax.ejb.EJBObject") + "<br>");
93 out.print(
94 tab + getClassRef("javax.ejb.EnterpriseBean") + "<br>");
95 out.print(tab + getClassRef("javax.ejb.SessionBean") + "<br>");
96 out.print(tab + getClassRef("javax.ejb.EntityBean") + "<br>");
97 out.print(
98 tab
99 + getClassRef("javax.servlet.http.HttpServlet")
100 + "<br>");
101 out.print(
102 tab
103 + getClassRef("javax.servlet.http.HttpServletRequest")
104 + "<br>");
105 out.print(
106 tab
107 + getClassRef("javax.servlet.http.HttpServletResponse")
108 + "<br>");
109 out.print(
110 tab
111 + getClassRef("javax.servlet.http.HttpSession")
112 + "<br>");
113 out.print(
114 tab + getClassRef("javax.naming.InitialContext") + "<br>");
115 out.print(tab + getClassRef("javax.naming.Context") + "<br>");
116
117 } else {
118 Class clazz = this.getClass().forName(className);
119 printClass(clazz, out);
120 }
121 } catch (Exception e) {
122 out.println("FAIL");
123 return;
124 }
125 out.print("<BR><BR>");
126 if (hasMethods) {
127 out.print("<font color='green'>*</font> Public ");
128 out.print("<font color='red'>*</font> Private ");
129 out.print("<font color='blue'>*</font> Protected ");
130 out.print("<font color='yellow'>*</font> Default ");
131 out.print("<BR>");
132 }
133 }
134
135
136 public void printClass(Class clazz, PrintWriter out)
137 throws Exception {
138 out.print("<b>" + clazz.getName() + "</b><br>");
139 Method [] methods = clazz.getDeclaredMethods();
140 hasMethods = (methods.length > 0);
141 for (int i = 0; i < methods.length; i++) {
142 printMethod(methods[i], out);
143 }
144
145
159 Class sup = clazz.getSuperclass();
160 if (sup != null) {
161 out.print("<br><b>Extends:</b><br>");
162 out.print(tab + getClassRef(sup) + "<br>");
163 }
164
165 Class [] intf = clazz.getInterfaces();
166
167 if (intf.length > 0) {
168 out.print("<br><b>Implements:</b><br>");
169 for (int i = 0; i < intf.length; i++) {
170 out.print(tab + getClassRef(intf[i]) + "<br>");
171 }
172 }
173 }
174
175 public void printMethod(Method m, PrintWriter out)
176 throws Exception {
177 out.print(tab);
178 out.print(" " + getModifier(m));
179
180 out.print(" " + getShortClassRef(m.getReturnType()) + " ");
181
182 out.print("" + m.getName() + " ");
183 Class [] params = m.getParameterTypes();
184 out.print("<font color='gray'>(</font>");
185 for (int j = 0; j < params.length; j++) {
186 out.print(getShortClassRef(params[j]));
187 if (j != params.length - 1) {
188 out.print(", ");
189 }
190 }
191 out.print("<font color='gray'>)</font>");
192
193 Class [] excp = m.getExceptionTypes();
194 if (excp.length > 0) {
195 out.print(" <font color='gray'>throws</font> ");
196 for (int j = 0; j < excp.length; j++) {
197 out.print(getShortClassRef(excp[j]));
198 if (j != excp.length - 1) {
199 out.print(", ");
200 }
201 }
202 }
203 out.print("<br>");
204 }
205
206 public String getModifier(Method m) throws Exception {
207 int mod = m.getModifiers();
208 String color = "";
209
210 if (Modifier.isPublic(mod)) {
211 color = "green";
212 } else if (Modifier.isPrivate(mod)) {
213 color = "red";
214 } else if (Modifier.isProtected(mod)) {
215 color = "blue";
216 } else {
217 color = "yellow";
218 }
219 return "<font color='" + color + "'>*</font>";
220 }
221
222 public String getClassRef(Class clazz) throws Exception {
223 String name = clazz.getName();
224 return "<a HREF='"+VIEW_CLASS+"?class=" + name + "'>" + name + "</a>";
225 }
226
227 public String getClassRef(String name) throws Exception {
228 return "<a HREF='"+VIEW_CLASS+"?class=" + name + "'>" + name + "</a>";
229 }
230
231 public String getShortClassRef(Class clazz) throws Exception {
232 if (clazz.isPrimitive()) {
233 return "<font color='gray'>" + clazz.getName() + "</font>";
234 } else if (clazz.isArray() && clazz.getComponentType().isPrimitive()) {
235 return "<font color='gray'>"
236 + clazz.getComponentType()
237 + "[]</font>";
238 } else if (clazz.isArray()) {
239 String name = clazz.getComponentType().getName();
240 int dot = name.lastIndexOf(".") + 1;
241 String shortName = name.substring(dot, name.length());
242 return "<a HREF='"+VIEW_CLASS+"?class="
243 + name
244 + "'>"
245 + shortName
246 + "[]</a>";
247 } else {
248 String name = clazz.getName();
249 int dot = name.lastIndexOf(".") + 1;
250 String shortName = name.substring(dot, name.length());
251 return "<a HREF='"+VIEW_CLASS+"?class="
252 + name
253 + "'>"
254 + shortName
255 + "</a>";
256 }
257 }
258 }
259 |
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