Mercurial > hg > graal-jvmci-8
comparison graal/com.oracle.jvmci.options.processor/src/com/oracle/jvmci/options/processor/GraalJars.java @ 21562:47bebae7454f
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 May 2015 21:58:33 +0200 |
parents | graal/com.oracle.graal.options.processor/src/com/oracle/graal/options/processor/GraalJars.java@28cbfacd0518 |
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21561:ce2113326bc8 | 21562:47bebae7454f |
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1 /* | |
2 * Copyright (c) 2015, 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. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.oracle.jvmci.options.processor; | |
24 | |
25 import java.io.*; | |
26 import java.util.*; | |
27 import java.util.stream.*; | |
28 import java.util.zip.*; | |
29 | |
30 public class GraalJars implements Iterable<ZipEntry> { | |
31 private final List<ZipFile> jars = new ArrayList<>(2); | |
32 | |
33 public GraalJars() { | |
34 String classPath = System.getProperty("java.class.path"); | |
35 for (String e : classPath.split(File.pathSeparator)) { | |
36 if (e.endsWith(File.separatorChar + "graal.jar") || e.endsWith(File.separatorChar + "graal-truffle.jar")) { | |
37 try { | |
38 jars.add(new ZipFile(e)); | |
39 } catch (IOException ioe) { | |
40 throw new InternalError(ioe); | |
41 } | |
42 } | |
43 } | |
44 if (jars.size() != 2) { | |
45 throw new InternalError("Could not find graal.jar or graal-truffle.jar on class path: " + classPath); | |
46 } | |
47 } | |
48 | |
49 public Iterator<ZipEntry> iterator() { | |
50 Stream<ZipEntry> entries = jars.stream().flatMap(ZipFile::stream); | |
51 return entries.iterator(); | |
52 } | |
53 | |
54 public InputStream getInputStream(String classFilePath) throws IOException { | |
55 for (ZipFile jar : jars) { | |
56 ZipEntry entry = jar.getEntry(classFilePath); | |
57 if (entry != null) { | |
58 return jar.getInputStream(entry); | |
59 } | |
60 } | |
61 return null; | |
62 } | |
63 } |