nashorn/src/jdk/nashorn/internal/runtime/ScriptLoader.java
author sundar
Tue, 12 Mar 2013 18:12:42 +0530
changeset 16522 d643e3ee819c
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child 16525 1409942e618e
permissions -rw-r--r--
8009757: Package access clean up and refactoring Reviewed-by: jlaskey, lagergren, attila
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/*
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package jdk.nashorn.internal.runtime;
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import java.security.CodeSource;
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import java.security.ProtectionDomain;
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/**
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 * Responsible for loading script generated classes.
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 *
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 */
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final class ScriptLoader extends NashornLoader {
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    /**
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     * Constructor.
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     */
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    ScriptLoader(final StructureLoader parent, final Context context) {
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        super(parent, context);
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    }
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    @Override
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    protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
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        checkPackageAccess(name);
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        return super.loadClassTrusted(name, resolve);
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    }
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    // package-private and private stuff below this point
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    /**
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     * Install a class for use by the Nashorn runtime
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     *
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     * @param name Binary name of class.
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     * @param data Class data bytes.
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     * @param cs CodeSource code source of the class bytes.
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     *
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     * @return Installed class.
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     */
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    synchronized Class<?> installClass(final String name, final byte[] data, final CodeSource cs) {
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        if (cs == null) {
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            return defineClass(name, data, 0, data.length, new ProtectionDomain(null, getPermissions(null)));
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        } else {
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            return defineClass(name, data, 0, data.length, cs);
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        }
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    }
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}