1 /*

     2  * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 package org.openjdk.bench.java.lang.reflect;

    26 

    27 import java.io.BufferedReader;

    28 import java.io.File;

    29 import java.io.IOException;

    30 import java.io.InputStreamReader;

    31 import java.io.PrintWriter;

    32 import java.security.NoSuchAlgorithmException;

    33 import java.security.Policy;

    34 import java.security.URIParameter;

    35 

    36 import org.openjdk.jmh.annotations.Scope;

    37 import org.openjdk.jmh.annotations.Setup;

    38 import org.openjdk.jmh.annotations.State;

    39 

    40 /**

    41  * Reflection benchmark

    42  *

    43  * @author sfriberg

    44  */

    45 @State(Scope.Benchmark)

    46 public class ClazzWithSecurityManager extends Clazz {

    47 

    48     @Setup

    49     public void setup() throws IOException, NoSuchAlgorithmException {

    50         File policyFile = File.createTempFile("security", "policy");

    51         policyFile.deleteOnExit();

    52 

    53         PrintWriter writer = new PrintWriter(policyFile);

    54         BufferedReader reader = new BufferedReader(new InputStreamReader(

    55                 ClazzWithSecurityManager.class.getResourceAsStream("/org/openjdk/bench/java/security/security.policy")));

    56         for (String line = reader.readLine(); line != null; line = reader.readLine()) {

    57             writer.write(line);

    58         }

    59         reader.close();

    60         writer.close();

    61 

    62         Policy policy = Policy.getInstance("JavaPolicy", new URIParameter(policyFile.toURI()));

    63         Policy.setPolicy(policy);

    64         System.setSecurityManager(new SecurityManager());

    65     }

    66 }