diff options
Diffstat (limited to 'main/api/src/io/github/retronym/java9rtexport/Export.java')
| -rw-r--r-- | main/api/src/io/github/retronym/java9rtexport/Export.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/main/api/src/io/github/retronym/java9rtexport/Export.java b/main/api/src/io/github/retronym/java9rtexport/Export.java new file mode 100644 index 00000000..b71ca555 --- /dev/null +++ b/main/api/src/io/github/retronym/java9rtexport/Export.java @@ -0,0 +1,103 @@ +/* +Copyright (C) 2012-2014 EPFL +Copyright (C) 2012-2014 Typesafe, Inc. +All rights reserved. +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name of the EPFL nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package io.github.retronym.java9rtexport; + +import java.io.File; +import java.io.IOException; +import java.net.URI; +import java.nio.file.*; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +public class Export { + private final static Object lock = new Object(); + private static File tempFile = null; + + public static String rtJarName = "rt-" + System.getProperty("java.version") + ".jar"; + + public static File rt() { + try { + synchronized (lock) { + if (tempFile == null) { + Path tempPath = Files.createTempFile("rt", ".jar"); + tempFile = tempPath.toFile(); + tempFile.deleteOnExit(); + tempFile.delete(); + FileSystem fileSystem = FileSystems.getFileSystem(URI.create("jrt:/")); + Path path = fileSystem.getPath("/modules"); + URI uri = URI.create("jar:" + tempPath.toUri()); + Map<String, String> env = new HashMap<>(); + env.put("create", "true"); + try (FileSystem zipfs = FileSystems.newFileSystem(uri, env)) { + Iterator<Path> iterator = Files.list(path).iterator(); + while (iterator.hasNext()) { + Path next = iterator.next(); + Copy.copyDirectory(next, zipfs.getPath("/")); + } + } + } + } + } catch (IOException e) { + e.printStackTrace(); + System.exit(-1); + } + return tempFile; + } + + public static boolean rtTo(File dest, boolean verbose) { + try { + if (!dest.exists()) { + if (verbose) { + System.out.println("Copying Java " + + System.getProperty("java.version") + + " runtime jar to " + + dest.getParentFile() + + " ..."); + System.out.flush(); + } + dest.getParentFile().mkdirs(); + java.nio.file.Files.copy(rt().toPath(), dest.toPath()); + return true; + } + } catch (IOException e) { + e.printStackTrace(); + System.exit(-1); + } + return false; + } + + public static File rtAt(File dir, boolean verbose) { + File f = new File(dir, rtJarName); + rtTo(f, verbose); + return f; + } + + public static File rtAt(File dir) { + return rtAt(dir, false); + } +}
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