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filebot/source/net/sourceforge/tuned/FastFile.java
2009-05-03 17:38:22 +00:00

81 lines
1.4 KiB
Java

package net.sourceforge.tuned;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class FastFile extends File {
private Long length;
private Boolean isDirectory;
private Boolean isFile;
private Boolean exists;
public FastFile(String path) {
super(path);
}
public FastFile(File parent, String child) {
super(parent, child);
}
@Override
public long length() {
return length != null ? length : (length = super.length());
}
@Override
public boolean exists() {
return exists != null ? exists : (exists = super.exists());
}
@Override
public boolean isDirectory() {
return isDirectory != null ? isDirectory : (isDirectory = super.isDirectory());
}
@Override
public boolean isFile() {
return isFile != null ? isFile : (isFile = super.isFile());
}
@Override
public File[] listFiles() {
String[] names = list();
File[] files = new File[names.length];
for (int i = 0; i < names.length; i++) {
files[i] = new FastFile(this, names[i]);
}
return files;
}
public static List<FastFile> foreach(File... files) {
return foreach(Arrays.asList(files));
}
public static List<FastFile> foreach(final List<File> files) {
List<FastFile> result = new ArrayList<FastFile>(files.size());
for (File file : files) {
result.add(new FastFile(file.getPath()));
}
return result;
}
}