| /* |
| * 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 jdk.tools.jmod; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.UncheckedIOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| import jdk.internal.jmod.JmodFile; |
| |
| import static jdk.internal.jmod.JmodFile.*; |
| |
| /** |
| * Output stream to write to JMOD file |
| */ |
| class JmodOutputStream extends OutputStream implements AutoCloseable { |
| /** |
| * This method creates (or overrides, if exists) the JMOD file, |
| * returning the the output stream to write to the JMOD file. |
| */ |
| static JmodOutputStream newOutputStream(Path file) throws IOException { |
| OutputStream out = Files.newOutputStream(file); |
| BufferedOutputStream bos = new BufferedOutputStream(out); |
| return new JmodOutputStream(bos); |
| } |
| |
| private final ZipOutputStream zos; |
| private JmodOutputStream(OutputStream out) { |
| this.zos = new ZipOutputStream(out); |
| try { |
| JmodFile.writeMagicNumber(out); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| |
| /** |
| * Writes the input stream to the named entry of the given section. |
| */ |
| public void writeEntry(InputStream in, Section section, String name) |
| throws IOException |
| { |
| ZipEntry ze = newEntry(section, name); |
| zos.putNextEntry(ze); |
| in.transferTo(zos); |
| zos.closeEntry(); |
| } |
| |
| /** |
| * Writes the given bytes to the named entry of the given section. |
| */ |
| public void writeEntry(byte[] bytes, Section section, String path) |
| throws IOException |
| { |
| ZipEntry ze = newEntry(section, path); |
| zos.putNextEntry(ze); |
| zos.write(bytes); |
| zos.closeEntry(); |
| } |
| |
| /** |
| * Writes the given entry to the given input stream. |
| */ |
| public void writeEntry(InputStream in, Entry e) throws IOException { |
| zos.putNextEntry(e.zipEntry()); |
| zos.write(in.readAllBytes()); |
| zos.closeEntry(); |
| } |
| |
| private ZipEntry newEntry(Section section, String path) { |
| String prefix = section.jmodDir(); |
| String name = Paths.get(prefix, path).toString() |
| .replace(File.separatorChar, '/'); |
| return new ZipEntry(name); |
| } |
| |
| @Override |
| public void write(int b) throws IOException { |
| zos.write(b); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| zos.close(); |
| } |
| } |
| |