8009267: Restore isAnnotationPresent methods in public AnnotatedElement implementations

Reviewed-by: jjg

src/share/classes/java/lang/Class.java

@@ -25,6 +25,7 @@
 
 package java.lang;
 
+import java.lang.reflect.AnnotatedElement;
 import java.lang.reflect.Array;
 import java.lang.reflect.GenericArrayType;
 import java.lang.reflect.Member;
@@ -3083,6 +3084,16 @@ public final
         return (A) annotations.get(annotationClass);
     }
 
+    /**
+     * {@inheritDoc}
+     * @throws NullPointerException {@inheritDoc}
+     * @since 1.5
+     */
+    @Override
+    public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) {
+        return AnnotatedElement.super.isAnnotationPresent(annotationClass);
+    }
+
     /**
      * @throws NullPointerException {@inheritDoc}
      * @since 1.8

src/share/classes/java/lang/Package.java

@@ -25,6 +25,7 @@
 
 package java.lang;
 
+import java.lang.reflect.AnnotatedElement;
 import java.io.InputStream;
 import java.util.Enumeration;
 
@@ -385,6 +386,16 @@ public class Package implements java.lang.reflect.AnnotatedElement {
         return getPackageInfo().getAnnotation(annotationClass);
     }
 
+    /**
+     * {@inheritDoc}
+     * @throws NullPointerException {@inheritDoc}
+     * @since 1.5
+     */
+    @Override
+    public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) {
+        return AnnotatedElement.super.isAnnotationPresent(annotationClass);
+    }
+
     /**
      * @throws NullPointerException {@inheritDoc}
      * @since 1.8

src/share/classes/java/lang/reflect/AccessibleObject.java

@@ -180,6 +180,16 @@ public class AccessibleObject implements AnnotatedElement {
         throw new AssertionError("All subclasses should override this method");
     }
 
+    /**
+     * {@inheritDoc}
+     * @throws NullPointerException {@inheritDoc}
+     * @since 1.5
+     */
+    @Override
+    public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) {
+        return AnnotatedElement.super.isAnnotationPresent(annotationClass);
+    }
+
    /**
      * @throws NullPointerException {@inheritDoc}
      * @since 1.8

test/java/lang/reflect/OldenCompilingWithDefaults.java

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8009267
+ * @summary Verify uses of isAnnotationPresent compile under older source versions
+ * @compile -source 1.5 -target 1.5 OldenCompilingWithDefaults.java
+ * @compile -source 1.6 -target 1.6 OldenCompilingWithDefaults.java
+ * @compile -source 1.7 -target 1.7 OldenCompilingWithDefaults.java
+ * @compile                         OldenCompilingWithDefaults.java
+ */
+
+import java.lang.reflect.*;
+
+public class OldenCompilingWithDefaults {
+    public OldenCompilingWithDefaults(){}
+    static Object f;
+
+    public static void main(String... args) throws Exception {
+        Class<OldenCompilingWithDefaults> clazz = OldenCompilingWithDefaults.class;
+        Package pkg = clazz.getPackage();
+        Constructor<OldenCompilingWithDefaults> ctor = clazz.getConstructor();
+        Method m = clazz.getMethod("main", String[].class);
+        Field f = clazz.getField("f");
+
+        if(clazz.isAnnotationPresent(SuppressWarnings.class) ||
+           pkg.isAnnotationPresent(SuppressWarnings.class) ||
+           ctor.isAnnotationPresent(SuppressWarnings.class) ||
+           m.isAnnotationPresent(SuppressWarnings.class) ||
+           f.isAnnotationPresent(SuppressWarnings.class))
+            System.out.println("An annotation is present.");
+    }
+}