performance: do in-memory checks first and I/O performing ones later

kkolinko review


git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1809141 13f79535-47bb-0310-9956-ffa450edef68

java/org/apache/catalina/webresources/AbstractFileResourceSet.java

@@ -61,7 +61,7 @@ protected final File file(String name, boolean mustExist) {
         // If the requested names ends in '/', the Java File API will return a
         // matching file if one exists. This isn't what we want as it is not
         // consistent with the Servlet spec rules for request mapping.
-        if (file.isFile() && name.endsWith("/")) {
+        if (name.endsWith("/") && file.isFile()) {
             return null;
         }