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1
19
20 package com.sslexplorer.core;
21
22 import java.io.ByteArrayInputStream  ;
23 import java.io.ByteArrayOutputStream ;
24 import java.io.IOException ;
25 import java.io.InputStream ;
26
27 import javax.servlet.ServletException ;
28 import javax.servlet.http.HttpServlet ;
29 import javax.servlet.http.HttpServletRequest ;
30 import javax.servlet.http.HttpServletResponse ;
31
32 import org.apache.commons.logging.Log;
33 import org.apache.commons.logging.LogFactory;
34 import org.apache.struts.action.ActionForm;
35 import org.apache.struts.action.ActionMapping;
36
37 import com.sslexplorer.boot.ContextHolder;
38 import com.sslexplorer.boot.Util;
39 import com.sslexplorer.security.SessionInfo;
40
41
50 public class MessageResourceLoaderServlet extends HttpServlet {
51 final static Log log = LogFactory.getLog(MessageResourceLoaderServlet.class);
52
53 public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException , IOException {
54 String name = request.getPathInfo().substring(1);
55 if (name.equals("")) {
56 log.error("No name supplied to the class loader servlet.");
57 response.sendError(500);
58 return;
59 }
60 int idx = name.lastIndexOf('/');
61 String basename = name;
62 if(idx != -1) {
63 basename = name.substring(idx + 1);
64 }
65 if(!basename.startsWith("ApplicationResources") || ( !basename.endsWith(".properties") && !basename.endsWith(".class"))) {
66 log.debug("Attempt to load something other that a resource bundle via the class loader servlet.");
67 response.sendError(500);
68 return;
69 }
70
71
76
77 if(basename.endsWith(".class")) {
78 basename = basename.substring(0, basename.length() - 6) + ".properties";
79 name = name.substring(0, name.length() - 6) + ".properties";
80 }
81
82
86 ByteArrayOutputStream bout = new ByteArrayOutputStream ();
87 InputStream in = ContextHolder.getContext().getContextLoader().getResourceAsStream(name);
88 if (in == null) {
89 response.setContentType("text/plain");
90 response.sendError(404, "Class not found");
91 } else {
92 try {
93 Util.copy(in, bout);
94 }
95 finally {
96 bout.close();
97 in.close();
98 }
99 response.setContentType("text/plain");
100 response.setContentLength(bout.size());
101 response.setStatus(200);
102 ByteArrayInputStream bin = new ByteArrayInputStream (bout.toByteArray());
103 sendFile(bin, bout.size(), response);
104 }
105 }
106
107 private void sendFile(InputStream in, long length, HttpServletResponse response) throws IOException {
108 response.setHeader("Content-Type", "text/plain");
109 response.setHeader("Content-Length", String.valueOf(length));
110 response.setContentLength((int) length);
111 Util.noCache(response);
112 try {
113 Util.copy(in, response.getOutputStream());
114 response.getOutputStream().flush();
115 } catch (IOException ex) {
116 } finally {
117 Util.closeStream(in);
118 Util.closeStream(response.getOutputStream());
119 }
120
121 }
122
123 public int getNavigationContext(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
124 return SessionInfo.ALL_CONTEXTS;
125 }
126
127 }
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Java API By Example, From Geeks To Geeks.