| /******************************************************************************* |
| * Copyright (c) 2009, 2018 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; |
| |
| @Override |
| 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" //$NON-NLS-1$ |
| + requestPath); |
| 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); //$NON-NLS-1$ |
| } |
| |
| @Override |
| 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(); |
| } |
| } |
