| /* |
| * Copyright (c) 2016, 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 sun.hotspot.tools.ctw; |
| |
| import jdk.internal.jimage.ImageLocation; |
| import jdk.internal.jimage.ImageReader; |
| |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.stream.Stream; |
| |
| /** |
| * Handler for jimage-files containing classes to compile. |
| */ |
| public class ClassPathJimageEntry extends PathHandler.PathEntry { |
| |
| @Override |
| protected Stream<String> classes() { |
| return Arrays.stream(reader.getEntryNames()) |
| .filter(name -> name.endsWith(".class")) |
| .filter(name -> !name.endsWith("module-info.class")) |
| .map(ClassPathJimageEntry::toFileName) |
| .map(Utils::fileNameToClassName); |
| } |
| |
| private static String toFileName(String name) { |
| final char nameSeparator = '/'; |
| assert name.charAt(0) == nameSeparator : name; |
| return name.substring(name.indexOf(nameSeparator, 1) + 1); |
| } |
| |
| @Override |
| protected String description() { |
| return "# jimage: " + root; |
| } |
| |
| @Override |
| public void close() { |
| try { |
| reader.close(); |
| } catch (IOException e) { |
| throw new Error("error on closing reader for " + root + " : " |
| + e.getMessage(), e); |
| } finally { |
| super.close(); |
| } |
| } |
| |
| private final ImageReader reader; |
| |
| public ClassPathJimageEntry(Path root) { |
| super(root); |
| if (!Files.exists(root)) { |
| throw new Error(root + " image file not found"); |
| } |
| try { |
| reader = ImageReader.open(root); |
| } catch (IOException e) { |
| throw new Error("can not open " + root + " : " + e.getMessage(), e); |
| } |
| } |
| |
| @Override |
| protected byte[] findByteCode(String name) { |
| String resource = Utils.classNameToFileName(name); |
| for (String m : reader.getModuleNames()) { |
| ImageLocation location = reader.findLocation(m, resource); |
| if (location != null) { |
| return reader.getResource(location); |
| } |
| } |
| return null; |
| } |
| |
| } |