Addendum to #11566. (#11722)

* Addendum to #11566.

Restored methods that were removed in WebAppClassLoader.Context.

Fixed method signatures for deprecated method -- they must take the deprecated ClassMatcher, not the newly introduced one.

Signed-off-by: Simone Bordet <simone.bordet@gmail.com>

jetty-core/jetty-ee/src/main/java/org/eclipse/jetty/ee/WebAppClassLoading.java

@@ -169,8 +169,9 @@ public static void addHiddenClasses(String... patterns)
      * Add a hidden (server) Class pattern to use for all WebAppContexts of a given {@link Server}.
      * @param attributes The {@link Attributes} instance to add classes to
      * @param patterns the patterns to use
+     * @deprecated use {@link #addHiddenClasses(Server, String...)} instead
      */
-    @Deprecated (forRemoval = true)
+    @Deprecated (since = "12.0.9", forRemoval = true)
     public static void addHiddenClasses(Attributes attributes, String... patterns)
     {
         if (patterns != null && patterns.length > 0)

jetty-core/jetty-util/src/main/java/org/eclipse/jetty/util/ClassVisibilityChecker.java

@@ -21,7 +21,7 @@ public interface ClassVisibilityChecker
 {
     /**
      * Is the class a Protected (System) Class.
-     * A System class is a class that is visible to a webapplication,
+     * A System class is a class that is visible to a web application,
      * but that cannot be overridden by the contents of WEB-INF/lib or
      * WEB-INF/classes
      *
@@ -33,8 +33,8 @@ public interface ClassVisibilityChecker
     /**
      * Is the class a Hidden (Server) Class.
      * A Server class is a class that is part of the implementation of
-     * the server and is NIT visible to a webapplication. The web
-     * application may provide it's own implementation of the class,
+     * the server and is NOT visible to a web application. The web
+     * application may provide its own implementation of the class,
      * to be loaded from WEB-INF/lib or WEB-INF/classes
      *
      * @param clazz The fully qualified name of the class.
@@ -44,7 +44,7 @@ public interface ClassVisibilityChecker
 
     /**
      * Is the class a System Class.
-     * A System class is a class that is visible to a webapplication,
+     * A System class is a class that is visible to a web application,
      * but that cannot be overridden by the contents of WEB-INF/lib or
      * WEB-INF/classes
      *
@@ -61,8 +61,8 @@ default boolean isSystemClass(Class<?> clazz)
     /**
      * Is the class a Server Class.
      * A Server class is a class that is part of the implementation of
-     * the server and is NIT visible to a webapplication. The web
-     * application may provide it's own implementation of the class,
+     * the server and is NOT visible to a web application. The web
+     * application may provide its own implementation of the class,
      * to be loaded from WEB-INF/lib or WEB-INF/classes
      *
      * @param clazz The fully qualified name of the class.

jetty-ee10/jetty-ee10-cdi/src/main/java/org/eclipse/jetty/ee10/cdi/CdiConfiguration.java

@@ -13,8 +13,6 @@
 
 package org.eclipse.jetty.ee10.cdi;
 
-import java.util.function.Predicate;
-
 import org.eclipse.jetty.ee10.annotations.AnnotationConfiguration;
 import org.eclipse.jetty.ee10.plus.webapp.PlusConfiguration;
 import org.eclipse.jetty.ee10.webapp.AbstractConfiguration;
@@ -33,16 +31,16 @@ public CdiConfiguration()
     {
         super(new Builder()
             .protectAndExpose("org.eclipse.jetty.ee10.cdi.CdiServletContainerInitializer")
-            .hide(getHiddenClasses())
+            .hide(getCdiHiddenClasses())
             .addDependents(AnnotationConfiguration.class, PlusConfiguration.class));
     }
 
-    private static String[] getHiddenClasses()
+    private static String[] getCdiHiddenClasses()
     {
         //Only hide the cdi api classes if there is not also an impl on the
         //environment classpath - vital for embedded uses.
         if (CdiConfiguration.class.getClassLoader().getResource("META-INF/services/jakarta.enterprise.inject.spi.CDIProvider") == null)
             return new String[]{"jakarta.enterprise.", "jakarta.decorator."};
         return new String[0];
     }
-}
+}

jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/AbstractConfiguration.java

@@ -19,13 +19,15 @@
 import java.util.Collections;
 import java.util.List;
 
+import org.eclipse.jetty.util.ClassMatcher;
+
 public class AbstractConfiguration implements Configuration
 {
     private final boolean _enabledByDefault;
     private final List<String> _after;
     private final List<String> _before;
-    private final ClassMatcher _system;
-    private final ClassMatcher _server;
+    private final ClassMatcher _protected;
+    private final ClassMatcher _hidden;
 
     public static class Builder
     {
@@ -88,7 +90,7 @@ public Builder addDependents(Class<?>... classes)
 
         /**
          * Protect classes from modification by the web application by adding them
-         * to the {@link WebAppConfiguration#getSystemClasses()}
+         * to the {@link WebAppConfiguration#getProtectedClasses()}
          *
          * @param classes classname or package pattern
          */
@@ -100,7 +102,7 @@ public Builder protect(String... classes)
 
         /**
          * Hide classes from the web application by adding them
-         * to the {@link WebAppConfiguration#getServerClasses()}
+         * to the {@link WebAppConfiguration#getHiddenClasses()}
          *
          * @param classes classname or package pattern
          */
@@ -112,7 +114,7 @@ public Builder hide(String... classes)
 
         /**
          * Expose classes to the web application by adding them
-         * as exclusions to the {@link WebAppConfiguration#getServerClasses()}
+         * as exclusions to the {@link WebAppConfiguration#getHiddenClasses()}
          *
          * @param classes classname or package pattern
          */
@@ -129,9 +131,9 @@ public Builder expose(String... classes)
 
         /**
          * Protect classes from modification by the web application by adding them
-         * to the {@link WebAppConfiguration#getSystemClasses()} and
+         * to the {@link WebAppConfiguration#getProtectedClasses()} and
          * expose them to the web application by adding them
-         * as exclusions to the {@link WebAppConfiguration#getServerClasses()}
+         * as exclusions to the {@link WebAppConfiguration#getHiddenClasses()}
          *
          * @param classes classname or package pattern
          */
@@ -154,8 +156,8 @@ protected AbstractConfiguration(Builder builder)
         _enabledByDefault = builder._enabledByDefault;
         _after = List.copyOf(builder._after);
         _before = List.copyOf(builder._before);
-        _system = new ClassMatcher(builder._system).asImmutable();
-        _server = new ClassMatcher(builder._server).asImmutable();
+        _protected = new ClassMatcher(builder._system).asImmutable();
+        _hidden = new ClassMatcher(builder._server).asImmutable();
     }
 
     @Override
@@ -171,15 +173,15 @@ public Collection<String> getDependencies()
     }
 
     @Override
-    public ClassMatcher getSystemClasses()
+    public ClassMatcher getProtectedClasses()
     {
-        return _system;
+        return _protected;
     }
 
     @Override
-    public ClassMatcher getServerClasses()
+    public ClassMatcher getHiddenClasses()
     {
-        return _server;
+        return _hidden;
     }
 
     @Override

jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/ClassMatcher.java

@@ -21,7 +21,6 @@
 /**
  * @deprecated Use org.eclipse.jetty.util.ClassMatcher
  */
-
 @Deprecated(since = "12.0.8", forRemoval = true)
 public class ClassMatcher extends org.eclipse.jetty.util.ClassMatcher
 {

jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/Configuration.java

@@ -17,6 +17,7 @@
 import java.util.Collections;
 import java.util.ServiceLoader;
 
+import org.eclipse.jetty.util.ClassMatcher;
 import org.eclipse.jetty.util.TopologicalSort;
 
 /**
@@ -43,8 +44,8 @@
  * (eg {@link JndiConfiguration}, {@link JaasConfiguration}} etc.) can be added or removed without concern
  * for ordering.
  * </p>
- * <p>Also since Jetty-9.4, Configurations are responsible for providing {@link #getServerClasses()} and
- * {@link #getSystemClasses()} to configure the {@link WebAppClassLoader} for each context.
+ * <p>Also since Jetty-9.4, Configurations are responsible for providing {@link #getHiddenClasses()} and
+ * {@link #getProtectedClasses()} to configure the {@link WebAppClassLoader} for each context.
  * </p>
  */
 public interface Configuration
@@ -93,25 +94,43 @@ default Collection<String> getDependents()
     }
 
     /**
-     * Get the system classes associated with this Configuration.
+     * Get the system (protected) classes associated with this Configuration.
      *
      * @return ClassMatcher of system classes.
      */
-    default ClassMatcher getSystemClasses()
+    default ClassMatcher getProtectedClasses()
     {
         return new ClassMatcher();
     }
 
     /**
-     * Get the system classes associated with this Configuration.
+     * Get the server (hidden) classes associated with this Configuration.
      *
      * @return ClassMatcher of server classes.
      */
-    default ClassMatcher getServerClasses()
+    default ClassMatcher getHiddenClasses()
     {
         return new ClassMatcher();
     }
 
+    /**
+     * @deprecated use {@link #getProtectedClasses()} instead
+     */
+    @Deprecated(since = "12.0.8", forRemoval = true)
+    default org.eclipse.jetty.ee10.webapp.ClassMatcher getSystemClasses()
+    {
+        return new org.eclipse.jetty.ee10.webapp.ClassMatcher(getProtectedClasses());
+    }
+
+    /**
+     * @deprecated use {@link #getHiddenClasses()} instead
+     */
+    @Deprecated(since = "12.0.8", forRemoval = true)
+    default org.eclipse.jetty.ee10.webapp.ClassMatcher getServerClasses()
+    {
+        return new org.eclipse.jetty.ee10.webapp.ClassMatcher(getHiddenClasses());
+    }
+
     /**
      * Set up for configuration.
      * <p>

jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/WebAppClassLoader.java

@@ -20,28 +20,24 @@
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.CodeSource;
 import java.security.PermissionCollection;
 import java.security.PrivilegedExceptionAction;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.Enumeration;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.StringTokenizer;
 import java.util.concurrent.CopyOnWriteArrayList;
-import java.util.stream.Stream;
 
 import org.eclipse.jetty.util.ClassVisibilityChecker;
 import org.eclipse.jetty.util.FileID;
 import org.eclipse.jetty.util.IO;
 import org.eclipse.jetty.util.StringUtil;
 import org.eclipse.jetty.util.TypeUtil;
-import org.eclipse.jetty.util.URIUtil;
 import org.eclipse.jetty.util.resource.Resource;
 import org.eclipse.jetty.util.resource.ResourceCollators;
 import org.eclipse.jetty.util.resource.ResourceFactory;
@@ -115,9 +111,33 @@ public interface Context extends ClassVisibilityChecker
 
         List<Resource> getExtraClasspath();
 
-        boolean isHiddenResource(String name, URL parentUrl);
+        /**
+         * @deprecated use {@link #isHiddenResource(String, URL)}
+         */
+        @Deprecated(since = "12.0.8", forRemoval = true)
+        default boolean isServerResource(String name, URL parentUrl)
+        {
+            return isHiddenResource(name, parentUrl);
+        }
 
-        boolean isProtectedResource(String name, URL webappUrl);
+        /**
+         * @deprecated use {@link #isProtectedResource(String, URL)}
+         */
+        @Deprecated(since = "12.0.8", forRemoval = true)
+        default boolean isSystemResource(String name, URL webappUrl)
+        {
+            return isProtectedResource(name, webappUrl);
+        }
+
+        default boolean isHiddenResource(String name, URL parentUrl)
+        {
+            return false;
+        }
+
+        default boolean isProtectedResource(String name, URL webappUrl)
+        {
+            return false;
+        }
     }
 
     /**
@@ -526,7 +546,6 @@ protected Class<?> loadAsResource(final String name, boolean checkSystemResource
 
         if (webappUrl != null && (!checkSystemResource || !_context.isProtectedResource(name, webappUrl)))
         {
-
             webappClass = this.foundClass(name, webappUrl);
             resolveClass(webappClass);
             if (LOG.isDebugEnabled())