| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.servlet; |
| |
| import static org.hamcrest.Matchers.containsString; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertThat; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.net.HttpURLConnection; |
| import java.net.URI; |
| |
| import javax.servlet.DispatcherType; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.toolchain.test.IO; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class IncludedServletTest |
| { |
| public static class TopServlet extends HttpServlet |
| { |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException |
| { |
| req.getRequestDispatcher("/included").include(req, resp); |
| resp.setHeader("main-page-key", "main-page-value"); |
| |
| PrintWriter out = resp.getWriter(); |
| out.println("<h2> Hello, this is the top page."); |
| } |
| } |
| |
| public static class IncludedServlet extends HttpServlet |
| { |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException |
| { |
| String headerPrefix = ""; |
| if (req.getDispatcherType() == DispatcherType.INCLUDE) |
| headerPrefix = "org.eclipse.jetty.server.include."; |
| |
| resp.setHeader(headerPrefix + "included-page-key", "included-page-value"); |
| resp.getWriter().println("<h3> This is the included page"); |
| } |
| } |
| |
| private Server server; |
| private URI baseUri; |
| |
| @Before |
| public void startServer() throws Exception |
| { |
| this.server = new Server(); |
| ServerConnector connector = new ServerConnector(server); |
| connector.setHost("localhost"); |
| connector.setPort(0); |
| server.addConnector(connector); |
| |
| ServletContextHandler context = new ServletContextHandler(); |
| context.setContextPath("/"); |
| context.addServlet(TopServlet.class, "/top"); |
| context.addServlet(IncludedServlet.class, "/included"); |
| |
| server.setHandler(context); |
| |
| server.start(); |
| |
| int port = connector.getLocalPort(); |
| String host = connector.getHost(); |
| |
| baseUri = URI.create("http://" + host + ":" + port + "/"); |
| } |
| |
| @After |
| public void stopServer() throws Exception |
| { |
| this.server.stop(); |
| } |
| |
| @Test |
| public void testTopWithIncludedHeader() throws IOException |
| { |
| URI uri = baseUri.resolve("/top"); |
| System.out.println("GET (String): " + uri.toASCIIString()); |
| |
| InputStream in = null; |
| InputStreamReader reader = null; |
| HttpURLConnection connection = null; |
| |
| try |
| { |
| connection = (HttpURLConnection) uri.toURL().openConnection(); |
| connection.connect(); |
| if (HttpURLConnection.HTTP_OK != connection.getResponseCode()) |
| { |
| String body = getPotentialBody(connection); |
| String err = String.format("GET request failed (%d %s) %s%n%s", connection.getResponseCode(), connection.getResponseMessage(), |
| uri.toASCIIString(), body); |
| throw new IOException(err); |
| } |
| in = connection.getInputStream(); |
| reader = new InputStreamReader(in); |
| StringWriter writer = new StringWriter(); |
| IO.copy(reader, writer); |
| |
| String response = writer.toString(); |
| // System.out.printf("Response%n%s",response); |
| assertThat("Response", response, containsString("<h2> Hello, this is the top page.")); |
| assertThat("Response", response, containsString("<h3> This is the included page")); |
| |
| assertThat("Response Header[main-page-key]", connection.getHeaderField("main-page-key"), is("main-page-value")); |
| assertThat("Response Header[included-page-key]", connection.getHeaderField("included-page-key"), is("included-page-value")); |
| } |
| finally |
| { |
| IO.close(reader); |
| IO.close(in); |
| } |
| } |
| |
| /** |
| * Attempt to obtain the body text if available. Do not throw an exception if body is unable to be fetched. |
| * |
| * @param connection the connection to fetch the body content from. |
| * @return the body content, if present. |
| */ |
| private String getPotentialBody(HttpURLConnection connection) |
| { |
| InputStream in = null; |
| InputStreamReader reader = null; |
| try |
| { |
| in = connection.getInputStream(); |
| reader = new InputStreamReader(in); |
| StringWriter writer = new StringWriter(); |
| IO.copy(reader, writer); |
| return writer.toString(); |
| } |
| catch (IOException e) |
| { |
| return "<no body:" + e.getMessage() + ">"; |
| } |
| finally |
| { |
| IO.close(reader); |
| IO.close(in); |
| } |
| } |
| } |