mirror of
https://github.com/AppleCommander/AppleCommander.git
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97 lines
3.0 KiB
Java
97 lines
3.0 KiB
Java
package com.webcodepro.applecommander.util;
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import java.util.function.Consumer;
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import com.webcodepro.applecommander.storage.DirectoryEntry;
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import com.webcodepro.applecommander.storage.Disk;
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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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public class DiskRecurser {
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private boolean recursive;
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private Consumer<Disk> diskHeader = DiskRecurser::doNothing;
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private Consumer<Disk> diskFooter = DiskRecurser::doNothing;
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private Consumer<FormattedDisk> formattedDiskHeader = DiskRecurser::doNothing;
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private Consumer<FormattedDisk> formattedDiskFooter = DiskRecurser::doNothing;
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private Consumer<FileEntry> fileEntryConsumer = DiskRecurser::doNothing;
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private Consumer<DirectoryEntry> directoryEntryConsumer = DiskRecurser::doNothing;
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private DiskRecurser() {}
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public void recurse(Disk disk) throws DiskException {
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diskHeader.accept(disk);
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for (FormattedDisk formattedDisk : disk.getFormattedDisks()) {
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recurse(formattedDisk);
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}
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diskFooter.accept(disk);
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}
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public void recurse(FormattedDisk formattedDisk) throws DiskException {
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formattedDiskHeader.accept(formattedDisk);
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for (FileEntry fileEntry : formattedDisk.getFiles()) {
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fileEntryConsumer.accept(fileEntry);
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if (fileEntry.isDirectory() && recursive) {
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directoryEntryConsumer.accept((DirectoryEntry)fileEntry);
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}
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}
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formattedDiskFooter.accept(formattedDisk);
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}
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public void recurse(DirectoryEntry directoryEntry) throws DiskException {
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for (FileEntry fileEntry : directoryEntry.getFiles()) {
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if (fileEntry.isDirectory() && recursive) {
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directoryEntryConsumer.accept((DirectoryEntry)fileEntry);
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recurse((DirectoryEntry)fileEntry);
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} else {
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fileEntryConsumer.accept(fileEntry);
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}
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}
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}
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public static void doNothing(Disk disk) {}
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public static void doNothing(FormattedDisk formattedDisk) {}
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public static void doNothing(FileEntry fileEntry) {}
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public static void doNothing(DirectoryEntry directoryEntry) {}
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public static Builder builder() {
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return new Builder();
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}
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public static class Builder {
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private DiskRecurser recurser = new DiskRecurser();
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public Builder recursive() {
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recurser.recursive = true;
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return this;
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}
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public Builder diskHeader(Consumer<Disk> consumer) {
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recurser.diskHeader = consumer;
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return this;
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}
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public Builder diskFooter(Consumer<Disk> consumer) {
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recurser.diskFooter = consumer;
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return this;
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}
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public Builder formattedDiskHeader(Consumer<FormattedDisk> consumer) {
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recurser.formattedDiskHeader = consumer;
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return this;
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}
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public Builder formattedDiskFooter(Consumer<FormattedDisk> consumer) {
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recurser.formattedDiskFooter = consumer;
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return this;
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}
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public Builder fileEntry(Consumer<FileEntry> consumer) {
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recurser.fileEntryConsumer = consumer;
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return this;
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}
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public Builder directoryEntry(Consumer<DirectoryEntry> consumer) {
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recurser.directoryEntryConsumer = consumer;
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return this;
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}
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public DiskRecurser build() {
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return recurser;
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}
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}
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}
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