144 lines
2.4 KiB
Java
144 lines
2.4 KiB
Java
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package net.sourceforge.tuned;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class TemporaryFolder {
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private static final String tmpdir = System.getProperty("java.io.tmpdir");
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private static final Map<String, TemporaryFolder> folders = new HashMap<String, TemporaryFolder>();
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public static TemporaryFolder getFolder(String name) {
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synchronized (folders) {
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TemporaryFolder folder = folders.get(name);
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if (folder == null) {
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folder = new TemporaryFolder(new File(tmpdir, name));
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folders.put(name, folder);
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}
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return folder;
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}
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}
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/**
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* Delete all temporary folders on shutdown
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*/
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static {
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Runtime.getRuntime().addShutdownHook(new Thread("TemporaryFolder Cleanup") {
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@Override
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public void run() {
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synchronized (folders) {
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for (TemporaryFolder folder : folders.values()) {
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folder.delete();
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}
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folders.clear();
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}
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}
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});
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}
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private final File root;
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private TemporaryFolder(File root) {
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this.root = root;
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}
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public File createFile(String name) throws IOException {
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if (!root.exists()) {
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root.mkdir();
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}
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File file = new File(root, name);
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file.createNewFile();
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return file;
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}
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public void deleteFile(String name) {
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File file = new File(root, name);
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if (file.exists()) {
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file.delete();
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}
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}
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public File getFolder() {
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return root;
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}
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public TemporaryFolder createFolder(String name) {
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if (!root.exists()) {
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root.mkdir();
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}
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TemporaryFolder folder = new TemporaryFolder(new File(root, name));
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folder.root.mkdir();
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return folder;
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}
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public List<File> list(boolean recursive) {
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List<File> list = new ArrayList<File>();
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list(root, list, recursive);
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return list;
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}
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private void list(File file, List<File> list, boolean recursive) {
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if (file.isDirectory()) {
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for (File entry : file.listFiles()) {
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if (entry.isDirectory()) {
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if (recursive) {
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list(entry, list, recursive);
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}
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} else {
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list.add(entry);
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}
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}
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}
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}
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public void delete() {
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delete(root);
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}
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/**
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* Delete files/folders recursively
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*
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* @param file file/folder that will be deleted
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*/
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private void delete(File file) {
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if (file.isDirectory()) {
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for (File entry : file.listFiles()) {
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delete(entry);
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}
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}
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file.delete();
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}
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}
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