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/*
* Output:
The 0 matching items in the directory, , are:
*/
import java.io.File;
import java.io.FilenameFilter;
import java.util.Date;
public class MainClass {
public static void main(String[] args) {
File myDir = new File("C:/");
// Define a filter for java source files beginning with F
FilenameFilter select = new FileListFilter("F", "java");
File[] contents = myDir.listFiles(select);
if (contents != null) {
System.out.println("\nThe " + contents.length
+ " matching items in the directory, " + myDir.getName()
+ ", are:");
for (File file : contents) {
System.out.println(file + " is a "
+ (file.isDirectory() ? "directory" : "file")
+ " last modified on\n"
+ new Date(file.lastModified()));
}
} else {
System.out.println(myDir.getName() + " is not a directory");
}
return;
}
}
class FileListFilter implements FilenameFilter {
private String name;
private String extension;
public FileListFilter(String name, String extension) {
this.name = name;
this.extension = extension;
}
public boolean accept(File directory, String filename) {
boolean fileOK = true;
if (name != null) {
fileOK &= filename.startsWith(name);
}
if (extension != null) {
fileOK &= filename.endsWith('.' + extension);
}
return fileOK;
}
}
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