diff options
Diffstat (limited to 'main/api/src/io/github/retronym/java9rtexport/Copy.java')
| -rw-r--r-- | main/api/src/io/github/retronym/java9rtexport/Copy.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/main/api/src/io/github/retronym/java9rtexport/Copy.java b/main/api/src/io/github/retronym/java9rtexport/Copy.java new file mode 100644 index 00000000..ac3615bb --- /dev/null +++ b/main/api/src/io/github/retronym/java9rtexport/Copy.java @@ -0,0 +1,75 @@ +/* +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.IOException; +import java.nio.ByteBuffer; +import java.nio.file.*; +import java.nio.file.attribute.*; +import java.util.EnumSet; + +import static java.nio.file.StandardCopyOption.COPY_ATTRIBUTES; +import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; + +public class Copy { + public static void copyDirectory(final Path source, final Path target) + throws IOException { + Files.walkFileTree(source, EnumSet.of(FileVisitOption.FOLLOW_LINKS), + Integer.MAX_VALUE, new FileVisitor<Path>() { + + @Override + public FileVisitResult preVisitDirectory(Path dir, + BasicFileAttributes sourceBasic) throws IOException { + + String relative = source.relativize(dir).toString(); + if (!Files.exists(target.getFileSystem().getPath(relative))) + Files.createDirectory(target.getFileSystem().getPath(relative)); + return FileVisitResult.CONTINUE; + } + + @Override + public FileVisitResult visitFile(Path file, + BasicFileAttributes attrs) throws IOException { + String relative = source.relativize(file).toString(); + Files.copy(file, target.getFileSystem().getPath(relative), COPY_ATTRIBUTES, REPLACE_EXISTING); + return FileVisitResult.CONTINUE; + } + + @Override + public FileVisitResult visitFileFailed(Path file, IOException e) throws IOException { + throw e; + } + + @Override + public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException { + if (e != null) throw e; + return FileVisitResult.CONTINUE; + } + }); + } + +}
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