Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.options.processor/src/com/oracle/jvmci/options/processor/GraalJars.java @ 21694:ed731ad12a10
Make stamp of checkcast more precise.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 03 Jun 2015 13:08:13 +0200 |
parents | 47bebae7454f |
children |
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/* * Copyright (c) 2015, 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. * * 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 com.oracle.jvmci.options.processor; import java.io.*; import java.util.*; import java.util.stream.*; import java.util.zip.*; public class GraalJars implements Iterable<ZipEntry> { private final List<ZipFile> jars = new ArrayList<>(2); public GraalJars() { String classPath = System.getProperty("java.class.path"); for (String e : classPath.split(File.pathSeparator)) { if (e.endsWith(File.separatorChar + "graal.jar") || e.endsWith(File.separatorChar + "graal-truffle.jar")) { try { jars.add(new ZipFile(e)); } catch (IOException ioe) { throw new InternalError(ioe); } } } if (jars.size() != 2) { throw new InternalError("Could not find graal.jar or graal-truffle.jar on class path: " + classPath); } } public Iterator<ZipEntry> iterator() { Stream<ZipEntry> entries = jars.stream().flatMap(ZipFile::stream); return entries.iterator(); } public InputStream getInputStream(String classFilePath) throws IOException { for (ZipFile jar : jars) { ZipEntry entry = jar.getEntry(classFilePath); if (entry != null) { return jar.getInputStream(entry); } } return null; } }