diff --git a/libraries/pom.xml b/libraries/pom.xml index e8f7c470a3..fa1839010c 100644 --- a/libraries/pom.xml +++ b/libraries/pom.xml @@ -716,6 +716,13 @@ test test + + + + org.apache.tomcat + tomcat-catalina + ${tomcat.version} + org.milyn milyn-smooks-all @@ -802,6 +809,7 @@ 1.0.0 1.7.0 3.0.14 + 8.5.24 2.2.0 \ No newline at end of file diff --git a/libraries/src/main/java/com/baeldung/tomcat/MyFilter.java b/libraries/src/main/java/com/baeldung/tomcat/MyFilter.java new file mode 100644 index 0000000000..9cf4a0ed95 --- /dev/null +++ b/libraries/src/main/java/com/baeldung/tomcat/MyFilter.java @@ -0,0 +1,31 @@ +package com.baeldung.tomcat; + +import javax.servlet.*; +import javax.servlet.annotation.WebFilter; +import javax.servlet.http.HttpServletResponse; +import java.io.IOException; + +/** + * Created by adi on 1/14/18. + */ +@WebFilter(urlPatterns = "/my-servlet/*") +public class MyFilter implements Filter { + + @Override + public void init(FilterConfig filterConfig) { + + } + + @Override + public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { + System.out.println("Filtering stuff..."); + HttpServletResponse httpResponse = (HttpServletResponse) response; + httpResponse.addHeader("myHeader", "myHeaderValue"); + chain.doFilter(request, httpResponse); + } + + @Override + public void destroy() { + + } +} diff --git a/libraries/src/main/java/com/baeldung/tomcat/MyServlet.java b/libraries/src/main/java/com/baeldung/tomcat/MyServlet.java new file mode 100644 index 0000000000..4bbf3c03a7 --- /dev/null +++ b/libraries/src/main/java/com/baeldung/tomcat/MyServlet.java @@ -0,0 +1,25 @@ +package com.baeldung.tomcat; + +import javax.servlet.annotation.WebServlet; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import java.io.IOException; + +/** + * Created by adi on 1/10/18. + */ +@WebServlet( + name = "com.baeldung.tomcat.programmatic.MyServlet", + urlPatterns = {"/my-servlet"} +) +public class MyServlet extends HttpServlet { + + @Override + protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException { + resp.setStatus(HttpServletResponse.SC_OK); + resp.getWriter().write("test"); + resp.getWriter().flush(); + resp.getWriter().close(); + } +} diff --git a/libraries/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java b/libraries/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java new file mode 100644 index 0000000000..b84b6b5c6d --- /dev/null +++ b/libraries/src/main/java/com/baeldung/tomcat/ProgrammaticTomcat.java @@ -0,0 +1,63 @@ +package com.baeldung.tomcat; + +import org.apache.catalina.Context; +import org.apache.catalina.LifecycleException; +import org.apache.catalina.startup.Tomcat; +import org.apache.tomcat.util.descriptor.web.FilterDef; +import org.apache.tomcat.util.descriptor.web.FilterMap; + +import java.io.File; + +/** + * Created by adi on 1/10/18. + */ +public class ProgrammaticTomcat { + + private Tomcat tomcat = null; + + //uncomment for live test + // public static void main(String[] args) throws LifecycleException, ServletException, URISyntaxException, IOException { + // startTomcat(); + // } + + public void startTomcat() throws LifecycleException { + tomcat = new Tomcat(); + tomcat.setPort(8080); + tomcat.setHostname("localhost"); + String appBase = "."; + tomcat + .getHost() + .setAppBase(appBase); + + File docBase = new File(System.getProperty("java.io.tmpdir")); + Context context = tomcat.addContext("", docBase.getAbsolutePath()); + + //add a servlet + Class servletClass = MyServlet.class; + Tomcat.addServlet(context, servletClass.getSimpleName(), servletClass.getName()); + context.addServletMappingDecoded("/my-servlet/*", servletClass.getSimpleName()); + + //add a filter and filterMapping + Class filterClass = MyFilter.class; + FilterDef myFilterDef = new FilterDef(); + myFilterDef.setFilterClass(filterClass.getName()); + myFilterDef.setFilterName(filterClass.getSimpleName()); + context.addFilterDef(myFilterDef); + + FilterMap myFilterMap = new FilterMap(); + myFilterMap.setFilterName(filterClass.getSimpleName()); + myFilterMap.addURLPattern("/my-servlet/*"); + context.addFilterMap(myFilterMap); + + tomcat.start(); + //uncomment for live test + // tomcat + // .getServer() + // .await(); + } + + public void stopTomcat() throws LifecycleException { + tomcat.stop(); + tomcat.destroy(); + } +} diff --git a/libraries/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatTest.java b/libraries/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatTest.java new file mode 100644 index 0000000000..d559c3d408 --- /dev/null +++ b/libraries/src/test/java/com/baeldung/tomcat/ProgrammaticTomcatTest.java @@ -0,0 +1,62 @@ +package com.baeldung.tomcat; + +import org.apache.http.HttpEntity; +import org.apache.http.HttpResponse; +import org.apache.http.HttpStatus; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.BlockJUnit4ClassRunner; + + +import static junit.framework.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +/** + * Created by adi on 1/14/18. + */ +@RunWith(BlockJUnit4ClassRunner.class) +public class ProgrammaticTomcatTest { + + private ProgrammaticTomcat tomcat = new ProgrammaticTomcat(); + + @Before + public void setUp() throws Exception { + tomcat.startTomcat(); + } + + @After + public void tearDown() throws Exception { + tomcat.stopTomcat(); + } + + @Test + public void givenTomcatStarted_whenAccessServlet_responseIsTestAndResponseHeaderIsSet() throws Exception { + CloseableHttpClient httpClient = HttpClientBuilder + .create() + .build(); + HttpGet getServlet = new HttpGet("http://localhost:8080/my-servlet"); + + HttpResponse response = httpClient.execute(getServlet); + assertEquals(HttpStatus.SC_OK, response + .getStatusLine() + .getStatusCode()); + + String myHeaderValue = response + .getFirstHeader("myHeader") + .getValue(); + assertEquals("myHeaderValue", myHeaderValue); + + HttpEntity responseEntity = response.getEntity(); + assertNotNull(responseEntity); + + String responseString = EntityUtils.toString(responseEntity, "UTF-8"); + assertEquals("test", responseString); + } + +}