com.github.stormbit.packer.PackerFileUtils Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of Packer Show documentation
The Jar Packager
The newest version!
package com.github.stormbit.packer;

import org.zeroturnaround.zip.commons.FileUtilsV2_2;

import java.io.File;
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;

class PackerFileUtils
{
    static void mkdirs(final File path) throws IOException {
        if (!path.mkdirs()) {
            throw new IOException("Can't create folder(s): " + path);
        }
    }
    
    static void chmodX(final File path) {
        if (!path.setExecutable(true)) {
            System.err.println("Warning! Failed setting executable flag for: " + path);
        }
    }
    
    static void delete(final File path) throws IOException {
        if (!path.delete()) {
            throw new IOException("Can't delete file or folder: " + path);
        }
    }
    
    static void copyDirectory(final File sourceDirectory, final File targetDirectory) throws IOException {
        final Path sourcePath = Paths.get(sourceDirectory.toURI()).toRealPath(new LinkOption[0]);
        final Path targetPath = Paths.get(targetDirectory.toURI());
        Files.walkFileTree(sourcePath, new SimpleFileVisitor() {
            @Override
            public FileVisitResult preVisitDirectory(final Path dir, final BasicFileAttributes attrs) throws IOException {
                final Path relative = sourcePath.relativize(dir);
                final Path target = targetPath.resolve(relative);
                final File folder = target.toFile();
                if (!folder.exists()) {
                    PackerFileUtils.mkdirs(folder);
                }
                return FileVisitResult.CONTINUE;
            }
            
            @Override
            public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
                final Path relative = sourcePath.relativize(file);
                final Path target = targetPath.resolve(relative);
                Files.copy(file, target, StandardCopyOption.COPY_ATTRIBUTES);
                return FileVisitResult.CONTINUE;
            }
        });
    }
    
    static void deleteDirectory(final File directory) throws IOException {
        FileUtilsV2_2.deleteDirectory(directory);
    }
    
    static void copyFile(final File source, final File target) throws IOException {
        final Path sourcePath = Paths.get(source.toURI());
        final Path targetPath = Paths.get(target.toURI());
        Files.copy(sourcePath, targetPath, StandardCopyOption.COPY_ATTRIBUTES);
    }
}