1 /* 2 * Copyright (c) 2019, 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 24 package com.sun.tools.jextract; 25 26 import java.io.*; 27 import java.nio.file.Files; 28 import java.nio.file.Path; 29 import java.util.jar.JarOutputStream; 30 import java.util.logging.Level; 31 import java.util.zip.ZipEntry; 32 33 import static java.nio.file.StandardOpenOption.*; 34 35 // Utility class to generate a .jmod file 36 public final class JarWriter { 37 private final Log log; 38 39 private final Writer writer; 40 41 public JarWriter(Context ctx, Writer writer) { 42 this.log = ctx.log; 43 this.writer = writer; 44 } 45 46 public void writeJarFile(Path jarpath, String[] args) throws IOException { 47 log.print(Level.INFO, () -> "Collecting jar file " + jarpath); 48 try (OutputStream os = Files.newOutputStream(jarpath, CREATE, TRUNCATE_EXISTING, WRITE); 49 JarOutputStream jar = new JarOutputStream(os)) { 50 writeJarFile(jar, args); 51 } 52 } 53 54 public void writeJarFile(JarOutputStream jar, String[] args) { 55 writer.results().forEach((cls, bytes) -> { 56 try { 57 String path = cls.replace('.', File.separatorChar) + ".class"; 58 log.print(Level.FINE, () -> "Add " + path); 59 jar.putNextEntry(new ZipEntry(path)); 60 jar.write(bytes); 61 jar.closeEntry(); 62 } catch (IOException ioe) { 63 throw new UncheckedIOException(ioe); 64 } 65 }); 66 67 try { 68 jar.putNextEntry(new ZipEntry(Writer.JEXTRACT_MANIFEST)); 69 jar.write(writer.getJextractProperties(args)); 70 jar.closeEntry(); 71 } catch (IOException ioe) { 72 throw new UncheckedIOException(ioe); 73 } 74 } 75 }