/* * BSD 3-Clause License * * Copyright (c) 2018, Gluon Software * 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 copyright holder 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 HOLDER 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 org.javafxports.retrobuffer; import java.io.IOException; import java.nio.file.FileVisitResult; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.SimpleFileVisitor; import java.nio.file.attribute.BasicFileAttributes; public abstract class ClasspathVisitor extends SimpleFileVisitor<Path> { private Path baseDir; @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { if (baseDir == null) { baseDir = dir; } return super.preVisitDirectory(dir, attrs); } @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { Path relativePath = baseDir.relativize(file); byte[] content = Files.readAllBytes(file); if (isJavaClass(relativePath)) { visitClass(relativePath, content); } else { visitResource(relativePath, content); } return FileVisitResult.CONTINUE; } protected abstract void visitClass(Path relativePath, byte[] bytecode) throws IOException; protected abstract void visitResource(Path relativePath, byte[] bytecode) throws IOException; private static boolean isJavaClass(Path file) { String fileName = file.getFileName().toString(); return fileName.endsWith(".class") && !fileName.equals("module-info.class"); } }