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1
22 package org.jboss.ejb3.test.dd.web.servlets;
23
24 import java.io.IOException  ;
25 import java.io.PrintWriter ;
26 import java.io.StringWriter ;
27 import java.security.CodeSource ;
28 import java.security.ProtectionDomain ;
29 import java.security.AccessControlException ;
30 import java.net.URL ;
31 import java.util.ResourceBundle ;
32 import java.util.Enumeration ;
33 import javax.servlet.ServletConfig ;
34 import javax.servlet.ServletException ;
35 import javax.servlet.http.HttpServlet ;
36 import javax.servlet.http.HttpServletRequest ;
37 import javax.servlet.http.HttpServletResponse ;
38
39 import org.jboss.logging.Logger;
40
41 import org.jboss.ejb3.test.dd.web.util.EJBManifestClass;
42 import org.jboss.ejb3.test.dd.web.util.EarLibUser;
43
44
50 public class ClasspathServlet extends HttpServlet
51 {
52 private static Logger log = Logger.getLogger(ClasspathServlet.class);
53
54 private StringBuffer initInfo = new StringBuffer ();
55 private boolean failOnError = true;
56
57 public void init(ServletConfig config) throws ServletException
58 {
59 String param = config.getInitParameter("failOnError");
60
61 if( param != null && Boolean.valueOf(param).booleanValue() == false )
62 failOnError = false;
63 log.info("init, failOnError="+failOnError);
64 try
65 {
66 Class clazz = Class.forName("org.jboss.ejb3.test.dd.web.util.ClassInClasses");
68 initInfo.append("Successfully loaded class: "+clazz.getName());
69 ClassLoader cl = clazz.getClassLoader();
70 ProtectionDomain pd = clazz.getProtectionDomain();
71 CodeSource cs = pd.getCodeSource();
72 initInfo.append("\n ClassLoader : "+cl.getClass().getName()+':'+cl.hashCode());
73 initInfo.append("\n CodeSource.location : "+cs.getLocation());
74
75 URL jbprops = cl.getResource("/org/jboss/resources/JBoss.properties");
77 log.info("JBoss.properties: "+jbprops);
78 ResourceBundle rb = ResourceBundle.getBundle("org.jboss.resources.JBoss");
79 log.info("Found JBoss resources: "+rb);
80 Enumeration keys = rb.getKeys();
81 while( keys.hasMoreElements() )
82 log.info(keys.nextElement());
83 }
84 catch(AccessControlException e)
85 {
86 log.error("Failed to init, ignoring security exception", e);
87 }
88 catch(Exception e)
89 {
90 log.error("Failed to init", e);
91 if( failOnError == true )
92 throw new ServletException ("Failed to init ClasspathServlet", e);
93 else
94 {
95 StringWriter sw = new StringWriter ();
96 PrintWriter pw = new PrintWriter (sw);
97 e.printStackTrace(pw);
98 initInfo.append("\nFailed to init\n");
99 initInfo.append(sw.toString());
100 }
101 }
102 }
103
104 public void destroy()
105 {
106 }
107
108 protected void processRequest(HttpServletRequest request, HttpServletResponse response)
109 throws ServletException , IOException
110 {
111 response.setContentType("text/html");
112 PrintWriter out = response.getWriter();
113 out.println("<html>");
114 out.println("<head><title>ClasspathServlet</title></head>");
115 out.println("<body><h1>Initialization Info</h1>");
116 out.println("<pre>\n");
117 out.println(initInfo.toString());
118 out.println("</pre>\n");
119 try
120 {
121 out.println("<h1>EJBManifestClass Info</h1>");
122 EJBManifestClass mfClass = new EJBManifestClass();
123 StringBuffer results = new StringBuffer ("EJBManifestClass Info:");
124
125 out.println("<pre>");
126 out.println(results.toString());
127 out.println("</pre>");
128 }
129 catch(Exception e)
130 {
131 if( failOnError == true )
132 throw new ServletException ("Failed to load EJBManifestClass", e);
133 else
134 {
135 StringWriter sw = new StringWriter ();
136 PrintWriter pw = new PrintWriter (sw);
137 e.printStackTrace(pw);
138 out.println("<pre>");
139 out.println(sw.toString());
140 out.println("</pre>");
141 }
142 }
143
144 try
145 {
146 out.println("<h1>EarLibUser Info</h1>");
147 String info = EarLibUser.getClassInfo();
148 out.println("<pre>");
149 out.println(info);
150 out.println("</pre>");
151 }
152 catch(Exception e)
153 {
154 if( failOnError == true )
155 throw new ServletException ("Failed to load EarLibUser", e);
156 else
157 {
158 StringWriter sw = new StringWriter ();
159 PrintWriter pw = new PrintWriter (sw);
160 e.printStackTrace(pw);
161 out.println("<pre>");
162 out.println(sw.toString());
163 out.println("</pre>");
164 }
165 }
166
167 out.println("</html>");
168 out.close();
169 }
170
171 protected void doGet(HttpServletRequest request, HttpServletResponse response)
172 throws ServletException , IOException
173 {
174 processRequest(request, response);
175 }
176
177 protected void doPost(HttpServletRequest request, HttpServletResponse response)
178 throws ServletException , IOException
179 {
180 processRequest(request, response);
181 }
182 }
183 |
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