jdk/src/java.base/share/classes/sun/reflect/generics/reflectiveObjects/GenericArrayTypeImpl.java
changeset 25859 3317bb8137f4
parent 17456 0f2c187cd188
child 27489 cf53b2c02ebb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/sun/reflect/generics/reflectiveObjects/GenericArrayTypeImpl.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2003, 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.  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 sun.reflect.generics.reflectiveObjects;
+
+import java.lang.reflect.GenericArrayType;
+import java.lang.reflect.Type;
+import java.util.Objects;
+
+/**
+ * Implementation of GenericArrayType interface for core reflection.
+ */
+public class GenericArrayTypeImpl
+    implements GenericArrayType {
+    private Type genericComponentType;
+
+    // private constructor enforces use of static factory
+    private GenericArrayTypeImpl(Type ct) {
+        genericComponentType = ct;
+    }
+
+    /**
+     * Factory method.
+     * @param ct - the desired component type of the generic array type
+     * being created
+     * @return a generic array type with the desired component type
+     */
+    public static GenericArrayTypeImpl make(Type ct) {
+        return new GenericArrayTypeImpl(ct);
+    }
+
+
+    /**
+     * Returns  a <tt>Type</tt> object representing the component type
+     * of this array.
+     *
+     * @return  a <tt>Type</tt> object representing the component type
+     *     of this array
+     * @since 1.5
+     */
+    public Type getGenericComponentType() {
+        return genericComponentType; // return cached component type
+    }
+
+    public String toString() {
+        Type componentType = getGenericComponentType();
+        StringBuilder sb = new StringBuilder();
+
+        if (componentType instanceof Class)
+            sb.append(((Class)componentType).getName() );
+        else
+            sb.append(componentType.toString());
+        sb.append("[]");
+        return sb.toString();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o instanceof GenericArrayType) {
+            GenericArrayType that = (GenericArrayType) o;
+
+            return Objects.equals(genericComponentType, that.getGenericComponentType());
+        } else
+            return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(genericComponentType);
+    }
+}