Adding embedded-servlet-server 9.4.x

embedded/pom.xml

@@ -28,6 +28,7 @@
     <module>rewrite</module>
     <module>servlet-config</module>
     <module>servlet-security</module>
+    <module>servlet-server</module>
     <module>simple-server</module>
     <module>virtual-hosts</module>
     <module>webapp-context</module>

embedded/servlet-server/pom.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.eclipse.jetty.examples.embedded</groupId>
+    <artifactId>jetty-embedded-examples</artifactId>
+    <version>9.4.x</version>
+  </parent>
+  <artifactId>servlet-server</artifactId>
+  <version>9.4.x</version>
+  <packaging>jar</packaging>
+  <name>Jetty Examples :: Jetty 9.4.x :: Embedded :: Servlet Server</name>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-server</artifactId>
+      <version>${jetty.version}</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-webapp</artifactId>
+      <version>${jetty.version}</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-client</artifactId>
+      <version>${jetty.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jetty.toolchain</groupId>
+      <artifactId>jetty-test-helper</artifactId>
+      <version>${jetty-test-helper.version}</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+</project>

embedded/servlet-server/src/main/java/examples/EmbedMe.java

@@ -0,0 +1,118 @@
+//
+// ========================================================================
+// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// which is available at https://www.apache.org/licenses/LICENSE-2.0.
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
+//
+
+package examples;
+
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.stream.Stream;
+
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.util.log.Log;
+import org.eclipse.jetty.util.log.Logger;
+import org.eclipse.jetty.util.resource.Resource;
+import org.eclipse.jetty.webapp.WebAppContext;
+
+public class EmbedMe
+{
+    private static final Logger LOG = Log.getLogger(EmbedMe.class);
+
+    public static void main(String[] args) throws Exception
+    {
+        int port = 8080;
+        Server server = newServer(port);
+        server.start();
+        server.join();
+    }
+
+    public static Server newServer(int port)
+    {
+        Server server = new Server(port);
+
+        WebAppContext context = new WebAppContext();
+        Resource baseResource = findBaseResource(context);
+        LOG.info("Using BaseResource: {}", baseResource);
+        context.setBaseResource(baseResource);
+        context.setContextPath("/");
+        context.setWelcomeFiles(new String[]{"index.html", "welcome.html"});
+        context.setParentLoaderPriority(true);
+        server.setHandler(context);
+        return server;
+    }
+
+    private static Resource findBaseResource(WebAppContext context)
+    {
+        try
+        {
+            // Look for resource in classpath (this is the best choice when working with a jar/war archive)
+            ClassLoader classLoader = context.getClass().getClassLoader();
+            URL webXml = classLoader.getResource("/WEB-INF/web.xml");
+            if (webXml != null)
+            {
+                URI uri = webXml.toURI().resolve("../..").normalize();
+                LOG.info("Found WebResourceBase (Using ClassLoader reference) {}", uri);
+                return Resource.newResource(uri);
+            }
+        }
+        catch (URISyntaxException e)
+        {
+            throw new RuntimeException("Bad ClassPath reference for: WEB-INF", e);
+        }
+        catch (MalformedURLException e)
+        {
+            throw new RuntimeException("Bad ClassPath reference for: WEB-INF", e);
+        }
+
+        // Look for resource in common file system paths
+        try
+        {
+            Path pwd = Paths.get(System.getProperty("user.dir")).toAbsolutePath();
+            Path targetDir = pwd.resolve("target");
+            if (Files.isDirectory(targetDir))
+            {
+                try (Stream<Path> listing = Files.list(targetDir))
+                {
+                    Path embeddedServletServerDir = listing
+                        .filter(Files::isDirectory)
+                        .filter((path) -> path.getFileName().toString().startsWith("embedded-servlet-server-"))
+                        .findFirst()
+                        .orElse(null);
+                    if (embeddedServletServerDir != null)
+                    {
+                        LOG.info("Found WebResourceBase (Using /target/ Path) {}", embeddedServletServerDir);
+                        return Resource.newResource(embeddedServletServerDir);
+                    }
+                }
+            }
+
+            // Try the source path next
+            Path srcWebapp = pwd.resolve("src/main/webapp/");
+            if (Files.exists(srcWebapp))
+            {
+                LOG.info("WebResourceBase (Using /src/main/webapp/ Path) {}", srcWebapp);
+                return Resource.newResource(srcWebapp);
+            }
+        }
+        catch (Throwable t)
+        {
+            throw new RuntimeException("Unable to find web resource in file system", t);
+        }
+
+        throw new RuntimeException("Unable to find web resource ref");
+    }
+}

embedded/servlet-server/src/main/java/examples/TestServlet.java

@@ -0,0 +1,31 @@
+//
+// ========================================================================
+// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// which is available at https://www.apache.org/licenses/LICENSE-2.0.
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
+//
+
+package examples;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@SuppressWarnings("serial")
+@WebServlet(urlPatterns = {"/test"})
+public class TestServlet extends HttpServlet
+{
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+    {
+        request.getRequestDispatcher("/WEB-INF/html/index.html").forward(request, response);
+    }
+}

embedded/servlet-server/src/main/java/examples/TimeServlet.java

@@ -0,0 +1,32 @@
+//
+// ========================================================================
+// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// which is available at https://www.apache.org/licenses/LICENSE-2.0.
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
+//
+
+package examples;
+
+import java.io.IOException;
+import java.util.Date;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@SuppressWarnings("serial")
+@WebServlet(urlPatterns = {"/time"})
+public class TimeServlet extends HttpServlet
+{
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException
+    {
+        response.setContentType("text/plain");
+        response.getWriter().write(new Date().toString());
+    }
+}

embedded/servlet-server/src/main/webapp/WEB-INF/html/index.html

@@ -0,0 +1,11 @@
+<html>
+<head>
+    <title>Content from WEB-INF/html</title>
+</head>
+<body>
+<h1>Content from WEB-INF/html</h1>
+<p>
+    This content from <code>{war}/WEB-INF/html/index.html</code>
+</p>
+</body>
+</html>

embedded/servlet-server/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
+		 http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+  version="3.1">
+  <display-name>Demo of Servlet 3.1</display-name>
+</web-app>

embedded/servlet-server/src/main/webapp/welcome.html

@@ -0,0 +1,17 @@
+<html>
+<head>
+    <title>Welcome File</title>
+</head>
+<body>
+<h1>Welcome</h1>
+<p>
+    This is the <code>src/main/webapp/welcome.html</code>
+</p>
+<h2>Other servlets</h2>
+<ul>
+    <li><a href="/test">/test</a> - a simple servlet that just returns content from <code>{war}/WEB-INF/html/</code> directory
+    </li>
+    <li><a href="/time">/time</a> - a simple servlet that just shows the server time</li>
+</ul>
+</body>
+</html>

embedded/servlet-server/src/test/java/examples/EmbedMeTest.java

@@ -0,0 +1,67 @@
+//
+// ========================================================================
+// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// which is available at https://www.apache.org/licenses/LICENSE-2.0.
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
+//
+
+package examples;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeoutException;
+
+import org.eclipse.jetty.client.HttpClient;
+import org.eclipse.jetty.client.api.ContentResponse;
+import org.eclipse.jetty.client.api.Request;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.util.component.LifeCycle;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.is;
+
+public class EmbedMeTest
+{
+    private Server server;
+    private HttpClient client;
+
+    @BeforeEach
+    public void startServer() throws Exception
+    {
+        server = EmbedMe.newServer(0);
+        server.start();
+    }
+
+    @BeforeEach
+    public void startClient() throws Exception
+    {
+        client = new HttpClient();
+        client.start();
+    }
+
+    @AfterEach
+    public void stopAll()
+    {
+        LifeCycle.stop(client);
+        LifeCycle.stop(server);
+    }
+
+    @Test
+    public void testGetWelcome() throws InterruptedException, ExecutionException, TimeoutException
+    {
+        Request request = client.newRequest(server.getURI().resolve("/"))
+            .method("GET");
+        ContentResponse response = request.send();
+        assertThat(response.getStatus(), is(200));
+        assertThat(response.getContentAsString(), containsString("<title>Welcome File</title>"));
+    }
+}

embedded/servlet-server/src/test/resources/jetty-logging.properties

@@ -0,0 +1,2 @@
+# Jetty Logging using jetty-slf4j-impl
+org.eclipse.jetty.LEVEL=INFO