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package org.glassfish.jersey.test.grizzly.web;
import java.io.IOException;
import java.util.EnumSet;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.client.WebTarget;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.glassfish.jersey.server.ServerProperties;
import org.glassfish.jersey.servlet.ServletContainer;
import org.glassfish.jersey.test.DeploymentContext;
import org.glassfish.jersey.test.JerseyTest;
import org.glassfish.jersey.test.ServletDeploymentContext;
import org.glassfish.jersey.test.grizzly.GrizzlyWebTestContainerFactory;
import org.glassfish.jersey.test.spi.TestContainerFactory;
import org.glassfish.grizzly.servlet.HttpServletRequestImpl;
import org.junit.Assert;
import org.junit.Test;
/**
* Reproducer for JERSEY-1893.
*
* This is to make sure filters could be utilized even for filtering
* requests that are being forwarded/included within the server side
* using {@link javax.servlet.RequestDispatcher} mechanism.
*
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public class GrizzlyRequestDispatchFilterTest extends JerseyTest {
/**
* We can only register a single Servlet instance. This one then serves as a request dispatcher
* as well as Jersey Servlet container.
*/
public static class RequestDispatcherServlet extends ServletContainer {
@Override
public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
if (isInbound(req)) {
final String action = req.getParameter("action");
if ("forward".equals(action)) {
getServletContext().getRequestDispatcher("/forward").forward(req, resp);
} else if ("include".equals(action)) {
getServletContext().getRequestDispatcher("/included").include(req, resp);
} else {
super.service(req, resp);
}
} else {
super.service(req, resp);
}
}
private boolean isInbound(HttpServletRequest req) {
// this is a workaround for broken getDispatchType in grizzly
return req instanceof HttpServletRequestImpl;
}
}
/**
* Filter that should be applied for regular requests coming directly from client.
*/
public static class RegularFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
servletResponse.getOutputStream().print("[");
filterChain.doFilter(servletRequest, servletResponse);
servletResponse.getOutputStream().print("]");
}
@Override
public void destroy() {
}
}
/**
* Filter that will only be applied for internally forwarded requests.
*/
public static class ForwardFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
servletResponse.getOutputStream().print(">>");
filterChain.doFilter(servletRequest, servletResponse);
}
@Override
public void destroy() {
}
}
/**
* Filter for internal include calls.
*/
public static class IncludeFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
servletResponse.getOutputStream().print("SOMETHING ");
filterChain.doFilter(servletRequest, servletResponse);
}
@Override
public void destroy() {
}
}
/**
* Resource to be accessed directly from the client only.
*/
@Path("direct")
public static class DirectResource {
@GET
public String get() {
return "DIRECT";
}
}
/**
* Resource that will also be called from the server side using the Servlet forward mechanism.
*/
@Path("forward")
public static class ForwardResource {
@GET
public String get() {
return "FORWARD";
}
}
/**
* Resource that will also be called from the server side using the Servlet include mechanism.
*/
@Path("included")
public static class IncludeResource {
@GET
public String get() {
return "INCLUDED";
}
}
@Override
protected DeploymentContext configureDeployment() {
return ServletDeploymentContext.forServlet(RequestDispatcherServlet.class)
.addFilter(ForwardFilter.class, "forwardFilter",
EnumSet.of(javax.servlet.DispatcherType.FORWARD))
.addFilter(IncludeFilter.class, "includeFilter",
EnumSet.of(javax.servlet.DispatcherType.INCLUDE))
.addFilter(RegularFilter.class, "regularFilter")
.initParam(ServerProperties.PROVIDER_PACKAGES, this.getClass().getPackage().getName())
.build();
}
@Override
protected TestContainerFactory getTestContainerFactory() {
return new GrizzlyWebTestContainerFactory();
}
/**
* Reproducer test for JERSEY-1893.
*/
@Test
public void testGet() {
WebTarget target = target();
String s;
// check that the regular filter gets involved
s = target.path("direct").request().get(String.class);
Assert.assertEquals("[DIRECT]", s);
// the regular filter should work for directly requested forward resource as well.
s = target.path("forward").request().get(String.class);
Assert.assertEquals("[FORWARD]", s);
// forward action should enforce forward filter to be invoked
s = target.queryParam("action", "forward").request().get(String.class);
Assert.assertEquals(">>FORWARD", s);
// direct call to the include resource
s = target.path("included").request().get(String.class);
Assert.assertEquals("[INCLUDED]", s);
// include call should involve both regular and include filter
s = target.path("included").queryParam("action", "include").request().get(String.class);
Assert.assertEquals("[SOMETHING INCLUDED]", s);
}
}