/*
* Copyright ( c ) 2015 , 2017 , 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 .
*
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*/
package jdk.test.lib;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.StandardCopyOption;
import java.nio.file.attribute.BasicFileAttributes;
// !!!
// NOTE: this class is widely used. DO NOT depend on any other classes in any test library, or else
// you may see intermittent ClassNotFoundException as in JDK-8188828
// !!!
/**
* Copy a resource : file or directory recursively , using relative path ( src and dst )
* which are applied to test source directory ( src ) and current directory ( dst )
*/
public class FileInstaller {
public static final String TEST_SRC = System.getProperty("test.src" , "" ).trim();
/**
* @ param args source and destination
* @ throws IOException if an I / O error occurs
*/
public static void main(String[] args) throws IOException {
if (args.length != 2 ) {
throw new IllegalArgumentException("Unexpected number of arguments for file copy" );
}
Path src = Paths.get(TEST_SRC, args[0 ]).toAbsolutePath().normalize();
Path dst = Paths.get(args[1 ]).toAbsolutePath().normalize();
if (src.toFile().exists()) {
System.out.printf("copying %s to %s%n" , src, dst);
if (src.toFile().isDirectory()) {
// can't use Files::copy for dirs, as 'dst' might exist already
Files.walkFileTree(src, new CopyFileVisitor(src, dst));
} else {
Path dstDir = dst.getParent();
if (!dstDir.toFile().exists()) {
Files.createDirectories(dstDir);
}
Files.copy(src, dst, StandardCopyOption.REPLACE_EXISTING);
}
} else {
throw new IOException("Can't find source " + src);
}
}
private static class CopyFileVisitor extends SimpleFileVisitor<Path> {
private final Path copyFrom;
private final Path copyTo;
public CopyFileVisitor(Path copyFrom, Path copyTo) {
this .copyFrom = copyFrom;
this .copyTo = copyTo;
}
@Override
public FileVisitResult preVisitDirectory(Path file,
BasicFileAttributes attrs) throws IOException {
Path relativePath = copyFrom.relativize(file);
Path destination = copyTo.resolve(relativePath);
if (!destination.toFile().exists()) {
Files.createDirectories(destination);
}
return FileVisitResult.CONTINUE ;
}
@Override
public FileVisitResult visitFile(Path file,
BasicFileAttributes attrs) throws IOException {
if (!file.toFile().isFile()) {
return FileVisitResult.CONTINUE ;
}
Path relativePath = copyFrom.relativize(file);
Path destination = copyTo.resolve(relativePath);
Files.copy(file, destination, StandardCopyOption.COPY_ATTRIBUTES);
return FileVisitResult.CONTINUE ;
}
}
}
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