edu.pdx.cs410J.core.FindJavaFiles Maven / Gradle / Ivy
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package edu.pdx.cs410J.core;
import java.io.*;
/**
* This program demonstrates File,
* FileFilter, and FilenameFilter by
* searching recursively through directories and printing out the
* names of Java source files.
*/
public class FindJavaFiles {
private static FileFilter dirFilter;
private static FilenameFilter javaFilter;
/**
* Prints out the names all of the Java source files in a directory
* and then recurses over subdirectories.
*/
private static void findJavaFiles(File dir) {
File[] javaFiles = dir.listFiles(javaFilter);
for (int i = 0; i < javaFiles.length; i++) {
System.out.println(javaFiles[i].toString());
}
File[] dirs = dir.listFiles(dirFilter);
for (int i = 0; i < dirs.length; i++) {
findJavaFiles(dirs[i]);
}
}
/**
* The one command line parameter is the directory in which to start
* the search.
*/
public static void main(String[] args) {
File file = new File(args[0]);
if (file.isDirectory()) {
dirFilter = new DirectoryFilter();
javaFilter = new JavaFilenameFilter();
// Look for Java files
findJavaFiles(file);
} else {
System.err.println(file + " is not a directory");
}
}
}