1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*******************************************************************************
* Copyright (c) 2009, Cloudsmith Inc and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Cloudsmith Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.p2.testserver.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Produces a response with a status code specified in the request URI.
* Requires to be registered for "/status" path. The request is made on the format
* "/status/code/" where code is the HTTP integer status code. The path after /code/ can be
* anything - it is always ignored.
* The response to GET produces HTML text "Requested status: code".
* The response to HEAD just produces the status header response.
*
*/
public class StatusCodeResponse extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
response.setContentType("text/html"); //$NON-NLS-1$
PrintWriter writer = response.getWriter();
doStatus(request, response, writer);
}
protected void doStatus(HttpServletRequest request, HttpServletResponse response, PrintWriter writer) {
String requestPath = request.getRequestURI();
String[] result = requestPath.split("/"); //$NON-NLS-1$
if (result.length < 3 && !"status".equalsIgnoreCase(result[1])) //$NON-NLS-1$
{
getServletContext().log("Error Servlet requires being configured to get /status/statuscode paths. Example /status/500, got" + requestPath); //$NON-NLS-1$
return;
}
// get the error code
int errorCode = 0;
try {
errorCode = Integer.parseInt(result[2]);
} catch (NumberFormatException e) {
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
getServletContext().log("Number format exception in /status/statuscode path.", e); //$NON-NLS-1$
return;
}
// set the errorCode as the response and write a message
response.setStatus(errorCode);
if (writer != null)
htmlPage(writer, "Requested Status: " + Integer.valueOf(errorCode), false); //$NON-NLS-1$
}
public void doHead(HttpServletRequest request, HttpServletResponse response) {
// produce same reponse as for GET, but no content (writer == null)
doStatus(request, response, null);
}
private void htmlPage(PrintWriter writer, String body, boolean consoleOutput) {
if (consoleOutput)
System.err.println(body);
writer.println("<html>"); //$NON-NLS-1$
writer.println("<body>"); //$NON-NLS-1$
writer.println(body);
writer.println("<br/>"); //$NON-NLS-1$
writer.println("</body>"); //$NON-NLS-1$
writer.println("</html>"); //$NON-NLS-1$
writer.flush();
}
}
|
