| /* |
| * 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 jdk.testlibrary; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarOutputStream; |
| import java.util.jar.Manifest; |
| |
| /** |
| * Common library for various test jar file utility functions. |
| */ |
| public final class JarUtils { |
| |
| |
| /** |
| * Create jar file with specified files. If a specified file does not exist, |
| * a new jar entry will be created with the file name itself as the content. |
| */ |
| public static void createJar(String dest, Path filesLocation, |
| String... fileNames) throws IOException { |
| try (JarOutputStream jos = new JarOutputStream( |
| new FileOutputStream(dest), new Manifest())) { |
| for (String fileName : fileNames) { |
| System.out.println(String.format("Adding %s to %s", |
| fileName, dest)); |
| |
| // add an archive entry, and write a file |
| jos.putNextEntry(new JarEntry(fileName)); |
| File file; |
| if (filesLocation != null) { |
| file = filesLocation.resolve(fileName).toFile(); |
| } else { |
| file = new File(fileName); |
| } |
| try (FileInputStream fis = new FileInputStream(file)) { |
| Utils.transferBetweenStreams(fis, jos); |
| } catch (FileNotFoundException e) { |
| jos.write(fileName.getBytes()); |
| } |
| } |
| } |
| System.out.println(); |
| } |
| |
| /** |
| * Create jar file with specified files from current directory. |
| */ |
| public static void createJar(String dest, String... files) |
| throws IOException { |
| createJar(dest, null, files); |
| } |
| |
| /** |
| * Add or remove specified files to existing jar file. If a specified file |
| * to be updated or added does not exist, the jar entry will be created |
| * with the file name itself as the content. |
| * |
| * @param src the original jar file name |
| * @param dest the new jar file name |
| * @param files the files to update. The list is broken into 2 groups |
| * by a "-" string. The files before in the 1st group will |
| * be either updated or added. The files in the 2nd group |
| * will be removed. If no "-" exists, all files belong to |
| * the 1st group. |
| */ |
| public static void updateJar(String src, String dest, String... files) |
| throws IOException { |
| try (JarOutputStream jos = new JarOutputStream( |
| new FileOutputStream(dest))) { |
| |
| // copy each old entry into destination unless the entry name |
| // is in the updated list |
| List<String> updatedFiles = new ArrayList<>(); |
| try (JarFile srcJarFile = new JarFile(src)) { |
| Enumeration<JarEntry> entries = srcJarFile.entries(); |
| while (entries.hasMoreElements()) { |
| JarEntry entry = entries.nextElement(); |
| String name = entry.getName(); |
| boolean found = false; |
| boolean update = true; |
| for (String file : files) { |
| if (file.equals("-")) { |
| update = false; |
| } else if (name.equals(file)) { |
| updatedFiles.add(file); |
| found = true; |
| break; |
| } |
| } |
| |
| if (found) { |
| if (update) { |
| System.out.println(String.format("Updating %s with %s", |
| dest, name)); |
| jos.putNextEntry(new JarEntry(name)); |
| try (FileInputStream fis = new FileInputStream(name)) { |
| Utils.transferBetweenStreams(fis, jos); |
| } catch (FileNotFoundException e) { |
| jos.write(name.getBytes()); |
| } |
| } else { |
| System.out.println(String.format("Removing %s from %s", |
| name, dest)); |
| } |
| } else { |
| System.out.println(String.format("Copying %s to %s", |
| name, dest)); |
| jos.putNextEntry(entry); |
| Utils.transferBetweenStreams(srcJarFile. |
| getInputStream(entry), jos); |
| } |
| } |
| } |
| |
| // append new files |
| for (String file : files) { |
| if (file.equals("-")) { |
| break; |
| } |
| if (!updatedFiles.contains(file)) { |
| System.out.println(String.format("Adding %s with %s", |
| dest, file)); |
| jos.putNextEntry(new JarEntry(file)); |
| try (FileInputStream fis = new FileInputStream(file)) { |
| Utils.transferBetweenStreams(fis, jos); |
| } catch (FileNotFoundException e) { |
| jos.write(file.getBytes()); |
| } |
| } |
| } |
| } |
| System.out.println(); |
| } |
| } |