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Posted to dev@tomcat.apache.org by ma...@apache.org on 2017/02/27 23:51:10 UTC

svn commit: r1784673 - in /tomcat/tc8.5.x/trunk: java/org/apache/catalina/core/ApplicationDispatcher.java java/org/apache/catalina/servlet4preview/AsyncContext.java test/org/apache/catalina/core/TestApplicationMapping.java

Author: markt
Date: Mon Feb 27 23:51:10 2017
New Revision: 1784673

URL: http://svn.apache.org/viewvc?rev=1784673&view=rev
Log:
Implement getServletMapping() for async requests as discussed in Servlet 4.0 EG

Added:
    tomcat/tc8.5.x/trunk/java/org/apache/catalina/servlet4preview/AsyncContext.java
Modified:
    tomcat/tc8.5.x/trunk/java/org/apache/catalina/core/ApplicationDispatcher.java
    tomcat/tc8.5.x/trunk/test/org/apache/catalina/core/TestApplicationMapping.java

Modified: tomcat/tc8.5.x/trunk/java/org/apache/catalina/core/ApplicationDispatcher.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/catalina/core/ApplicationDispatcher.java?rev=1784673&r1=1784672&r2=1784673&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/java/org/apache/catalina/core/ApplicationDispatcher.java (original)
+++ tomcat/tc8.5.x/trunk/java/org/apache/catalina/core/ApplicationDispatcher.java Mon Feb 27 23:51:10 2017
@@ -354,9 +354,7 @@ final class ApplicationDispatcher implem
         // Handle an HTTP path-based forward
         else {
 
-            ApplicationHttpRequest wrequest =
-                (ApplicationHttpRequest) wrapRequest(state);
-            String contextPath = context.getPath();
+            ApplicationHttpRequest wrequest = (ApplicationHttpRequest) wrapRequest(state);
             HttpServletRequest hrequest = state.hrequest;
             if (hrequest.getAttribute(RequestDispatcher.FORWARD_REQUEST_URI) == null) {
                 wrequest.setAttribute(RequestDispatcher.FORWARD_REQUEST_URI,
@@ -381,7 +379,7 @@ final class ApplicationDispatcher implem
                         mapping);
             }
 
-            wrequest.setContextPath(contextPath);
+            wrequest.setContextPath(context.getPath());
             wrequest.setRequestURI(requestURI);
             wrequest.setServletPath(servletPath);
             wrequest.setPathInfo(pathInfo);
@@ -623,13 +621,20 @@ final class ApplicationDispatcher implem
         // Create a wrapped response to use for this request
         wrapResponse(state);
 
-        ApplicationHttpRequest wrequest =
-            (ApplicationHttpRequest) wrapRequest(state);
+        ApplicationHttpRequest wrequest = (ApplicationHttpRequest) wrapRequest(state);
+        HttpServletRequest hrequest = state.hrequest;
 
-        wrequest.setAttribute(Globals.DISPATCHER_TYPE_ATTR,
-                DispatcherType.ASYNC);
-        wrequest.setAttribute(Globals.DISPATCHER_REQUEST_PATH_ATTR,
-                getCombinedPath());
+        wrequest.setAttribute(Globals.DISPATCHER_TYPE_ATTR, DispatcherType.ASYNC);
+        wrequest.setAttribute(Globals.DISPATCHER_REQUEST_PATH_ATTR, getCombinedPath());
+        ServletMapping mapping;
+        if (hrequest instanceof org.apache.catalina.servlet4preview.http.HttpServletRequest) {
+            mapping = ((org.apache.catalina.servlet4preview.http.HttpServletRequest)
+                    hrequest).getServletMapping();
+        } else {
+            mapping = (new ApplicationMapping(null)).getServletMapping();
+        }
+        wrequest.setAttribute(
+                org.apache.catalina.servlet4preview.AsyncContext.ASYNC_MAPPING, mapping);
 
         wrequest.setContextPath(context.getPath());
         wrequest.setRequestURI(requestURI);
@@ -639,6 +644,7 @@ final class ApplicationDispatcher implem
             wrequest.setQueryString(queryString);
             wrequest.setQueryParams(queryString);
         }
+        wrequest.setMapping(this.mapping);
 
         invoke(state.outerRequest, state.outerResponse, state);
     }

Added: tomcat/tc8.5.x/trunk/java/org/apache/catalina/servlet4preview/AsyncContext.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/catalina/servlet4preview/AsyncContext.java?rev=1784673&view=auto
==============================================================================
--- tomcat/tc8.5.x/trunk/java/org/apache/catalina/servlet4preview/AsyncContext.java (added)
+++ tomcat/tc8.5.x/trunk/java/org/apache/catalina/servlet4preview/AsyncContext.java Mon Feb 27 23:51:10 2017
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.catalina.servlet4preview;
+
+public interface AsyncContext extends javax.servlet.AsyncContext {
+
+    public static final String ASYNC_MAPPING = "javax.servlet.async.mapping";
+}

Modified: tomcat/tc8.5.x/trunk/test/org/apache/catalina/core/TestApplicationMapping.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/test/org/apache/catalina/core/TestApplicationMapping.java?rev=1784673&r1=1784672&r2=1784673&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/test/org/apache/catalina/core/TestApplicationMapping.java (original)
+++ tomcat/tc8.5.x/trunk/test/org/apache/catalina/core/TestApplicationMapping.java Mon Feb 27 23:51:10 2017
@@ -19,6 +19,7 @@ package org.apache.catalina.core;
 import java.io.IOException;
 import java.io.PrintWriter;
 
+import javax.servlet.AsyncContext;
 import javax.servlet.RequestDispatcher;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
@@ -29,6 +30,7 @@ import org.junit.Assert;
 import org.junit.Test;
 
 import org.apache.catalina.Context;
+import org.apache.catalina.Wrapper;
 import org.apache.catalina.servlet4preview.http.ServletMapping;
 import org.apache.catalina.startup.Tomcat;
 import org.apache.catalina.startup.TomcatBaseTest;
@@ -101,6 +103,9 @@ public class TestApplicationMapping exte
         tearDown();
         setUp();
         doTestMappingNamedForward(contextPath, mapping, requestPath, matchValue, matchType);
+        tearDown();
+        setUp();
+        doTestMappingAsync(contextPath, mapping, requestPath, matchValue, matchType);
     }
 
     private void doTestMappingDirect(String contextPath, String mapping, String requestPath,
@@ -226,6 +231,35 @@ public class TestApplicationMapping exte
         Assert.assertTrue(body, body.contains("ServletName=[Forward]"));
     }
 
+    private void doTestMappingAsync(String contextPath, String mapping, String requestPath,
+            String matchValue, String matchType) throws Exception {
+        Tomcat tomcat = getTomcatInstance();
+
+        // No file system docBase required
+        Context ctx = tomcat.addContext(contextPath, null);
+
+        Wrapper w = Tomcat.addServlet(ctx, "Async", new AsyncServlet());
+        w.setAsyncSupported(true);
+        ctx.addServletMappingDecoded(mapping, "Async");
+        Tomcat.addServlet(ctx, "Mapping", new MappingServlet());
+        ctx.addServletMappingDecoded("/mapping", "Mapping");
+
+        tomcat.start();
+
+        ByteChunk bc = getUrl("http://localhost:" + getPort() + contextPath + requestPath);
+        String body = bc.toString();
+
+        Assert.assertTrue(body, body.contains("MatchValue=[/mapping]"));
+        Assert.assertTrue(body, body.contains("Pattern=[/mapping]"));
+        Assert.assertTrue(body, body.contains("MatchType=[EXACT]"));
+        Assert.assertTrue(body, body.contains("ServletName=[Mapping]"));
+
+        Assert.assertTrue(body, body.contains("AsyncMatchValue=[" + matchValue + "]"));
+        Assert.assertTrue(body, body.contains("AsyncPattern=[" + mapping + "]"));
+        Assert.assertTrue(body, body.contains("AsyncMatchType=[" + matchType + "]"));
+        Assert.assertTrue(body, body.contains("AsyncServletName=[Async]"));
+    }
+
 
     private static class IncludeServlet extends HttpServlet {
         private static final long serialVersionUID = 1L;
@@ -275,6 +309,18 @@ public class TestApplicationMapping exte
     }
 
 
+    private static class AsyncServlet extends HttpServlet {
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+                throws ServletException, IOException {
+            AsyncContext ac = req.startAsync();
+            ac.dispatch("/mapping");
+        }
+    }
+
+
     private static class MappingServlet extends HttpServlet {
 
         private static final long serialVersionUID = 1L;
@@ -307,6 +353,14 @@ public class TestApplicationMapping exte
                 pw.println("ForwardMatchType=[" + forwardMapping.getMappingMatch() + "]");
                 pw.println("ForwardServletName=[" + forwardMapping.getServletName() + "]");
             }
+            ServletMapping asyncMapping = (ServletMapping) req.getAttribute(
+                    org.apache.catalina.servlet4preview.AsyncContext.ASYNC_MAPPING);
+            if (asyncMapping != null) {
+                pw.println("AsyncMatchValue=[" + asyncMapping.getMatchValue() + "]");
+                pw.println("AsyncPattern=[" + asyncMapping.getPattern() + "]");
+                pw.println("AsyncMatchType=[" + asyncMapping.getMappingMatch() + "]");
+                pw.println("AsyncServletName=[" + asyncMapping.getServletName() + "]");
+            }
         }
     }
 }



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