AppleCommander/app/cli-acx/src/main/java/io/github/applecommander/acx/command/RmdirCommand.java

99 lines
3.8 KiB
Java

/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2019-2022 by Robert Greene and others
* robgreene at users.sourceforge.net
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package io.github.applecommander.acx.command;
import java.util.Optional;
import com.webcodepro.applecommander.storage.DirectoryEntry;
import com.webcodepro.applecommander.storage.DiskException;
import com.webcodepro.applecommander.storage.FileEntry;
import com.webcodepro.applecommander.storage.FormattedDisk;
import io.github.applecommander.acx.base.ReadWriteDiskCommandOptions;
import picocli.CommandLine.Command;
import picocli.CommandLine.Option;
import picocli.CommandLine.Parameters;
@Command(name = "rmdir", description = "Remove a directory on disk.",
aliases = { "rd" })
public class RmdirCommand extends ReadWriteDiskCommandOptions {
@Option(names = { "-r", "--recursive" }, description = "Recursively delete subdirectories.")
private boolean recursiveFlag;
@Option(names = { "-f", "--force" }, description = "Force files to be deleted as well.")
private boolean forceFlag;
@Parameters(description = "Directory name to delete (use '/' as divider).")
private String fullPath;
@Override
public int handleCommand() throws Exception {
FormattedDisk formattedDisk = disk.getFormattedDisks()[0];
// Locate directory
DirectoryEntry directory = formattedDisk;
String[] paths = fullPath.split("/");
for (int i=0; i<paths.length; i++) {
final String pathName = formattedDisk.getSuggestedFilename(paths[i]);
Optional<FileEntry> optEntry = directory.getFiles().stream()
.filter(entry -> entry.getFilename().equalsIgnoreCase(pathName))
.findFirst();
if (optEntry.isPresent()) {
FileEntry fileEntry = optEntry.get();
if (fileEntry instanceof DirectoryEntry) {
directory = (DirectoryEntry)fileEntry;
}
else {
throw new RuntimeException(String.format("Not a directory: '%s'", pathName));
}
}
else {
throw new RuntimeException(String.format("Directory does not exist: '%s'", pathName));
}
}
deleteDirectory(directory);
return 0;
}
public void deleteDirectory(DirectoryEntry directory) throws DiskException {
for (FileEntry file : directory.getFiles()) {
if (file.isDeleted()) {
// skip
} else if (recursiveFlag && file.isDirectory()) {
deleteDirectory((DirectoryEntry)file);
}
else if (forceFlag && !file.isDirectory()) {
file.delete();
}
else {
String message = String.format("Encountered %s '%s'",
file.isDirectory() ? "directory" : "file",
file.getFilename());
throw new RuntimeException(message);
}
}
FileEntry file = (FileEntry)directory;
file.delete();
}
}