/*
* Copyright (c) 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.
*
* 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.tools.jaotc.collect;
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.Iterator;
import static java.nio.file.FileVisitResult.CONTINUE;
FileVisitor
implementation to find class files recursively. /**
* {@link FileVisitor} implementation to find class files recursively.
*/
public class FileSystemFinder extends SimpleFileVisitor<Path> implements Iterable<Path> {
private final ArrayList<Path> fileNames = new ArrayList<>();
private final PathMatcher filter;
public FileSystemFinder(Path combinedPath, PathMatcher filter) {
this.filter = filter;
try {
Files.walkFileTree(combinedPath, this);
} catch (IOException e) {
throw new InternalError(e);
}
}
Compares the glob pattern against the file name.
/**
* Compares the glob pattern against the file name.
*/
private void find(Path file) {
Path name = file.getFileName();
if (name != null && filter.matches(name)) {
fileNames.add(file);
}
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
find(file);
return CONTINUE;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
find(dir);
return CONTINUE;
}
@Override
public Iterator<Path> iterator() {
return fileNames.iterator();
}
}