src/java.net.http/share/classes/jdk/internal/net/http/PrivilegedExecutor.java
branchhttp-client-branch
changeset 56092 fd85b2bf2b0d
parent 56089 42208b2f224e
child 56451 9585061fdb04
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.net.http/share/classes/jdk/internal/net/http/PrivilegedExecutor.java	Wed Feb 07 21:45:37 2018 +0000
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2015, 2018, 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 jdk.internal.net.http;
+
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Objects;
+import java.util.concurrent.Executor;
+
+/**
+ * Executes tasks within a given access control context, and by a given executor.
+ */
+class PrivilegedExecutor implements Executor {
+
+    /** The underlying executor. May be provided by the user. */
+    final Executor executor;
+    /** The ACC to execute the tasks within. */
+    final AccessControlContext acc;
+
+    public PrivilegedExecutor(Executor executor, AccessControlContext acc) {
+        Objects.requireNonNull(executor);
+        Objects.requireNonNull(acc);
+        this.executor = executor;
+        this.acc = acc;
+    }
+
+    private static class PrivilegedRunnable implements Runnable {
+        private final Runnable r;
+        private final AccessControlContext acc;
+        PrivilegedRunnable(Runnable r, AccessControlContext acc) {
+            this.r = r;
+            this.acc = acc;
+        }
+        @Override
+        public void run() {
+            PrivilegedAction<Void> pa = () -> { r.run(); return null; };
+            AccessController.doPrivileged(pa, acc);
+        }
+    }
+
+    @Override
+    public void execute(Runnable r) {
+        executor.execute(new PrivilegedRunnable(r, acc));
+    }
+}