376152 apply context resources recursively

jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppContext.java

@@ -19,6 +19,7 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.security.PermissionCollection;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.EventListener;
 import java.util.HashMap;
@@ -271,11 +272,23 @@ public class WebAppContext extends ServletContextHandler implements WebAppClassL
     }
 
     /* ------------------------------------------------------------ */
-    public String getResourceAlias(String alias)
+    public String getResourceAlias(String path)
     {
         if (_resourceAliases == null)
             return null;
-        return _resourceAliases.get(alias);
+        String alias = _resourceAliases.get(path);
+        
+        int slash=path.length();
+        while (alias==null)
+        {
+            slash=path.lastIndexOf("/",slash-1);
+            if (slash<0)
+                break;
+            String match=_resourceAliases.get(path.substring(0,slash+1));
+            if (match!=null)
+                alias=match+path.substring(slash+1);            
+        }
+        return alias;
     }
 
     /* ------------------------------------------------------------ */

jetty-webapp/src/test/java/org/eclipse/jetty/webapp/WebAppContextTest.java

@@ -16,6 +16,7 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import java.io.File;
 import java.io.IOException;
 import java.util.Arrays;
 
@@ -29,6 +30,8 @@ import junit.framework.Assert;
 
 import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.server.handler.HandlerList;
+import org.eclipse.jetty.util.resource.Resource;
+import org.eclipse.jetty.util.resource.ResourceCollection;
 import org.junit.Test;
 
 public class WebAppContextTest
@@ -137,6 +140,34 @@ public class WebAppContextTest
         Assert.assertNotNull(contextB.getServletHandler().getServletContext().getContext("/B/s"));
     }
     
+
+    @Test 
+    public void testAlias() throws Exception
+    {
+        File dir = File.createTempFile("dir",null);
+        dir.delete();
+        dir.mkdir();
+        dir.deleteOnExit();
+        
+        File webinf = new File(dir,"WEB-INF");
+        webinf.mkdir();
+        
+        File classes = new File(dir,"classes");
+        classes.mkdir();
+        
+        File someclass = new File(classes,"SomeClass.class");
+        someclass.createNewFile();
+        
+        WebAppContext context = new WebAppContext();
+        context.setBaseResource(new ResourceCollection(dir.getAbsolutePath()));
+        
+        context.setResourceAlias("/WEB-INF/classes/", "/classes/");
+
+        assertTrue(Resource.newResource(context.getServletContext().getResource("/WEB-INF/classes/SomeClass.class")).exists());
+        assertTrue(Resource.newResource(context.getServletContext().getResource("/classes/SomeClass.class")).exists());
+
+    }
+    
     class ServletA extends GenericServlet
     {
         @Override