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annotate graal/com.oracle.graal.hotspot.loader/src/com/oracle/graal/hotspot/loader/Factory.java @ 16623:addc0564e5b5

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split com.oracle.graal.truffle.* projects into a separate graal-truffle.jar and added truffle.jar to the boot class path
author Doug Simon <doug.simon@oracle.com>
date Wed, 30 Jul 2014 18:27:06 +0200
parents 8eec87d7bfc4
children 74123ce7599b
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ad431bf0de07 added support to load classes from graal.jar with a separate class loader
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.loader;
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24
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25 import java.io.*;
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26 import java.net.*;
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27
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28 /**
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29 * Utility to create a separate class loader for loading classes in {@code graal.jar} and
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30 * {@code graal-truffle.jar}.
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31 */
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32 public class Factory {
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33
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34 /**
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35 * Creates a new class loader for loading classes in {@code graal.jar} and
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36 * {@code graal-truffle.jar}
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37 *
8eec87d7bfc4 made Factory.newClassLoader() private
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38 * Called from the VM.
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39 */
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40 @SuppressWarnings("unused")
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41 private static ClassLoader newClassLoader() throws MalformedURLException {
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42 URL[] urls = {getGraalJarUrl("graal"), getGraalJarUrl("graal-truffle")};
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43 return URLClassLoader.newInstance(urls);
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44 }
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45
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46 /**
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47 * Gets the URL for {@code base.jar}.
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48 */
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49 private static URL getGraalJarUrl(String base) throws MalformedURLException {
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50 File file = new File(System.getProperty("java.home"));
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51 for (String name : new String[]{"lib", base + ".jar"}) {
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52 file = new File(file, name);
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53 }
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54
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55 if (!file.exists()) {
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56 throw new InternalError(file + " does not exist");
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57 }
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58
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59 return file.toURI().toURL();
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60 }
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61 }