Issue #5870 Windows URI case comparison fails (#5873)

* Issue #5870 Windows URI case comparison fails

Signed-off-by: Jan Bartel <janb@webtide.com>

* Issue #5870 - Updating Windows tests

+ Eliminating OS.MAC (as it doesn't support drive letters)
+ Adding alt URI syntax version as well

Co-authored-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>

jetty-annotations/src/main/java/org/eclipse/jetty/annotations/AnnotationConfiguration.java

@@ -704,13 +704,12 @@ public boolean isFromExcludedJar(WebAppContext context, ServletContainerInitiali
         }
 
         //Check if it is excluded by an ordering
-        URI loadingJarURI = sciResource.getURI();
         boolean found = false;
         Iterator<Resource> itor = orderedJars.iterator();
         while (!found && itor.hasNext())
         {
             Resource r = itor.next();
-            found = r.getURI().equals(loadingJarURI);
+            found = r.equals(sciResource);
         }
 
         if (LOG.isDebugEnabled())

jetty-util/src/test/java/org/eclipse/jetty/util/resource/ResourceTest.java

@@ -34,6 +34,7 @@
 import org.junit.jupiter.api.Assumptions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.DisabledOnOs;
+import org.junit.jupiter.api.condition.EnabledOnOs;
 import org.junit.jupiter.api.condition.OS;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
@@ -42,6 +43,7 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.startsWith;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 public class ResourceTest
@@ -297,4 +299,30 @@ public void testGlobPath() throws IOException
         Resource globResource = Resource.newResource(globReference);
         assertNotNull(globResource, "Should have produced a Resource");
     }
+
+    @Test
+    @EnabledOnOs(OS.WINDOWS)
+    public void testEqualsWindowsAltUriSyntax() throws Exception
+    {
+        URI a = new URI("file:/C:/foo/bar");
+        URI b = new URI("file:///C:/foo/bar");
+
+        Resource ra = Resource.newResource(a);
+        Resource rb = Resource.newResource(b);
+
+        assertEquals(rb, ra);
+    }
+
+    @Test
+    @EnabledOnOs(OS.WINDOWS)
+    public void testEqualsWindowsCaseInsensitiveDrive() throws Exception
+    {
+        URI a = new URI("file:///c:/foo/bar");
+        URI b = new URI("file:///C:/foo/bar");
+
+        Resource ra = Resource.newResource(a);
+        Resource rb = Resource.newResource(b);
+
+        assertEquals(rb, ra);
+    }
 }