80 lines
3.0 KiB
Java
80 lines
3.0 KiB
Java
package io.github.applecommander.acx.command;
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import java.util.Optional;
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import com.webcodepro.applecommander.storage.DirectoryEntry;
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import com.webcodepro.applecommander.storage.DiskException;
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import com.webcodepro.applecommander.storage.FileEntry;
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import com.webcodepro.applecommander.storage.FormattedDisk;
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import io.github.applecommander.acx.base.ReadWriteDiskCommandOptions;
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import picocli.CommandLine.Command;
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import picocli.CommandLine.Option;
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import picocli.CommandLine.Parameters;
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@Command(name = "rmdir", description = "Remove a directory on disk.",
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aliases = { "rd" })
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public class RmdirCommand extends ReadWriteDiskCommandOptions {
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@Option(names = { "-r", "--recursive" }, description = "Recursively delete subdirectories.")
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private boolean recursiveFlag;
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@Option(names = { "-f", "--force" }, description = "Force files to be deleted as well.")
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private boolean forceFlag;
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@Parameters(description = "Directory name to delete (use '/' as divider).")
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private String fullPath;
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@Override
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public int handleCommand() throws Exception {
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FormattedDisk formattedDisk = disk.getFormattedDisks()[0];
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// Locate directory
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DirectoryEntry directory = formattedDisk;
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String[] paths = fullPath.split("/");
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for (int i=0; i<paths.length; i++) {
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final String pathName = formattedDisk.getSuggestedFilename(paths[i]);
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Optional<FileEntry> optEntry = directory.getFiles().stream()
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.filter(entry -> entry.getFilename().equalsIgnoreCase(pathName))
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.findFirst();
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if (optEntry.isPresent()) {
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FileEntry fileEntry = optEntry.get();
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if (fileEntry instanceof DirectoryEntry) {
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directory = (DirectoryEntry)fileEntry;
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}
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else {
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throw new RuntimeException(String.format("Not a directory: '%s'", pathName));
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}
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}
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else {
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throw new RuntimeException(String.format("Directory does not exist: '%s'", pathName));
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}
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}
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deleteDirectory(directory);
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return 0;
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}
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public void deleteDirectory(DirectoryEntry directory) throws DiskException {
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for (FileEntry file : directory.getFiles()) {
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if (file.isDeleted()) {
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// skip
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} else if (recursiveFlag && file.isDirectory()) {
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deleteDirectory((DirectoryEntry)file);
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}
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else if (forceFlag && !file.isDirectory()) {
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file.delete();
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}
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else {
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String message = String.format("Encountered %s '%s'",
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file.isDirectory() ? "directory" : "file",
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file.getFilename());
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throw new RuntimeException(message);
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}
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}
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FileEntry file = (FileEntry)directory;
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file.delete();
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}
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}
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