--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/main/WildcardTypeImpl.java	Mon May 09 16:52:15 2016 -0700
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2003, 2012, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package com.sun.tools.javadoc.main;
+
+import com.sun.javadoc.*;
+
+import com.sun.tools.javac.code.Symbol.ClassSymbol;
+import com.sun.tools.javac.code.Type;
+import com.sun.tools.javac.util.List;
+
+
+/**
+ * Implementation of <code>WildcardType</code>, which
+ * represents a wildcard type.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ *
+ * @author Scott Seligman
+ * @since 1.5
+ */
+public class WildcardTypeImpl extends AbstractTypeImpl implements WildcardType {
+
+    WildcardTypeImpl(DocEnv env, Type.WildcardType type) {
+        super(env, type);
+    }
+
+    /**
+     * Return the upper bounds of this wildcard type argument
+     * as given by the <i>extends</i> clause.
+     * Return an empty array if no such bounds are explicitly given.
+     */
+    public com.sun.javadoc.Type[] extendsBounds() {
+        return TypeMaker.getTypes(env, getExtendsBounds((Type.WildcardType)type));
+    }
+
+    /**
+     * Return the lower bounds of this wildcard type argument
+     * as given by the <i>super</i> clause.
+     * Return an empty array if no such bounds are explicitly given.
+     */
+    public com.sun.javadoc.Type[] superBounds() {
+        return TypeMaker.getTypes(env, getSuperBounds((Type.WildcardType)type));
+    }
+
+    /**
+     * Return the ClassDoc of the erasure of this wildcard type.
+     */
+    @Override
+    public ClassDoc asClassDoc() {
+        return env.getClassDoc((ClassSymbol)env.types.erasure(type).tsym);
+    }
+
+    @Override
+    public WildcardType asWildcardType() {
+        return this;
+    }
+
+    @Override
+    public String typeName()            { return "?"; }
+    @Override
+    public String qualifiedTypeName()   { return "?"; }
+    @Override
+    public String simpleTypeName()      { return "?"; }
+
+    @Override
+    public String toString() {
+        return wildcardTypeToString(env, (Type.WildcardType)type, true);
+    }
+
+
+    /**
+     * Return the string form of a wildcard type ("?") along with any
+     * "extends" or "super" clause.  Delimiting brackets are not
+     * included.  Class names are qualified if "full" is true.
+     */
+    static String wildcardTypeToString(DocEnv env,
+                                       Type.WildcardType wildThing, boolean full) {
+        if (env.legacyDoclet) {
+            return TypeMaker.getTypeName(env.types.erasure(wildThing), full);
+        }
+        StringBuilder s = new StringBuilder("?");
+        List<Type> bounds = getExtendsBounds(wildThing);
+        if (bounds.nonEmpty()) {
+            s.append(" extends ");
+        } else {
+            bounds = getSuperBounds(wildThing);
+            if (bounds.nonEmpty()) {
+                s.append(" super ");
+            }
+        }
+        boolean first = true;   // currently only one bound is allowed
+        for (Type b : bounds) {
+            if (!first) {
+                s.append(" & ");
+            }
+            s.append(TypeMaker.getTypeString(env, b, full));
+            first = false;
+        }
+        return s.toString();
+    }
+
+    private static List<Type> getExtendsBounds(Type.WildcardType wild) {
+        return wild.isSuperBound()
+                ? List.<Type>nil()
+                : List.of(wild.type);
+    }
+
+    private static List<Type> getSuperBounds(Type.WildcardType wild) {
+        return wild.isExtendsBound()
+                ? List.<Type>nil()
+                : List.of(wild.type);
+    }
+}