RFR: JDK-8274172: Convert JavadocTester to use NIO

[Pavel Rappo]

On Thu, 23 Sep 2021 14:34:30 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> test/langtools/jdk/javadoc/lib/javadoc/tester/JavadocTester.java line 795:
>> 
>>> 793:      */
>>> 794:     public void copyDir(Path fromDir, Path toDir) {
>>> 795:         out.println("Copying " + fromDir + " to " + toDir);
>> 
>> I was surprised to find out there's no convenience method in java.nio.file for copying file trees. In its absence we could maybe use something closer to the second usage example in FileVisitor?
>
> That example is somewhat overkill, since it handles symlinks as well, which we don't need.

Agreed on symlinks. What I was referring to is using Files.copy to copy directories, not Files.createDirectories to create them.

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PR: https://git.openjdk.java.net/jdk/pull/5644