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1
22 package org.jboss.test.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.test.web.util.EJBManifestClass;
42 import org.jboss.test.web.util.EarLibUser;
43 import org.jboss.test.util.Debug;
44
45
51 public class ClasspathServlet extends HttpServlet
52 {
53 private static final long serialVersionUID = 1;
54
55 private static Logger log = Logger.getLogger(ClasspathServlet.class);
56
57 private StringBuffer initInfo = new StringBuffer ();
58 private boolean failOnError = true;
59
60 public void init(ServletConfig config) throws ServletException
61 {
62 String param = config.getInitParameter("failOnError");
63
64 if( param != null && Boolean.valueOf(param).booleanValue() == false )
65 failOnError = false;
66 log.info("init, failOnError="+failOnError);
67 try
68 {
69 Class clazz = Class.forName("org.jboss.test.web.util.ClassInClasses");
71 initInfo.append("Successfully loaded class: "+clazz.getName());
72 ClassLoader cl = clazz.getClassLoader();
73 ProtectionDomain pd = clazz.getProtectionDomain();
74 CodeSource cs = pd.getCodeSource();
75 initInfo.append("\n ClassLoader : "+cl.getClass().getName()+':'+cl.hashCode());
76 initInfo.append("\n CodeSource.location : "+cs.getLocation());
77
78 URL jbprops = cl.getResource("/org/jboss/resources/JBoss.properties");
80 log.info("JBoss.properties: "+jbprops);
81 ResourceBundle rb = ResourceBundle.getBundle("org.jboss.resources.JBoss");
82 log.info("Found JBoss resources: "+rb);
83 Enumeration keys = rb.getKeys();
84 while( keys.hasMoreElements() )
85 log.info(keys.nextElement());
86 }
87 catch(AccessControlException e)
88 {
89 log.error("Failed to init, ignoring security exception", e);
90 }
91 catch(Exception e)
92 {
93 log.error("Failed to init", e);
94 if( failOnError == true )
95 throw new ServletException ("Failed to init ClasspathServlet", e);
96 else
97 {
98 StringWriter sw = new StringWriter ();
99 PrintWriter pw = new PrintWriter (sw);
100 e.printStackTrace(pw);
101 initInfo.append("\nFailed to init\n");
102 initInfo.append(sw.toString());
103 }
104 }
105 }
106
107 public void destroy()
108 {
109 }
110
111 protected void processRequest(HttpServletRequest request, HttpServletResponse response)
112 throws ServletException , IOException
113 {
114 response.setContentType("text/html");
115 PrintWriter out = response.getWriter();
116 out.println("<html>");
117 out.println("<head><title>ClasspathServlet</title></head>");
118 out.println("<body><h1>Initialization Info</h1>");
119 out.println("<pre>\n");
120 out.println(initInfo.toString());
121 out.println("</pre>\n");
122 try
123 {
124 out.println("<h1>EJBManifestClass Info</h1>");
125 EJBManifestClass mfClass = new EJBManifestClass();
126 StringBuffer results = new StringBuffer ("EJBManifestClass Info:");
127 Debug.displayClassInfo(mfClass.getClass(), results);
128 out.println("<pre>");
129 out.println(results.toString());
130 out.println("</pre>");
131 }
132 catch(Exception e)
133 {
134 if( failOnError == true )
135 throw new ServletException ("Failed to load EJBManifestClass", e);
136 else
137 {
138 StringWriter sw = new StringWriter ();
139 PrintWriter pw = new PrintWriter (sw);
140 e.printStackTrace(pw);
141 out.println("<pre>");
142 out.println(sw.toString());
143 out.println("</pre>");
144 }
145 }
146
147 try
148 {
149 out.println("<h1>EarLibUser Info</h1>");
150 String info = EarLibUser.getClassInfo();
151 out.println("<pre>");
152 out.println(info);
153 out.println("</pre>");
154 }
155 catch(Exception e)
156 {
157 if( failOnError == true )
158 throw new ServletException ("Failed to load EarLibUser", e);
159 else
160 {
161 StringWriter sw = new StringWriter ();
162 PrintWriter pw = new PrintWriter (sw);
163 e.printStackTrace(pw);
164 out.println("<pre>");
165 out.println(sw.toString());
166 out.println("</pre>");
167 }
168 }
169
170 out.println("</html>");
171 out.close();
172 }
173
174 protected void doGet(HttpServletRequest request, HttpServletResponse response)
175 throws ServletException , IOException
176 {
177 processRequest(request, response);
178 }
179
180 protected void doPost(HttpServletRequest request, HttpServletResponse response)
181 throws ServletException , IOException
182 {
183 processRequest(request, response);
184 }
185 }
186 |
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