filebot/source/net/sourceforge/tuned/TemporaryFolder.java

99 lines
1.7 KiB
Java

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