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Copy pathDirectory.java
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Copy pathDirectory.java
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82 lines (74 loc) · 2.12 KB
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package btp.oneP;
import java.io.File;
import java.io.FilenameFilter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Pattern;
public class Directory {
public static File[] local(File dir,final String regex){
return dir.listFiles(new FilenameFilter(){
private Pattern pattern = Pattern.compile(regex);
@Override
public boolean accept(File dir, String name) {
return pattern.matcher(new File(name).getName()).matches();
}
});
}
public static File[] local(String path,final String regex){
return local(new File(path),regex);
}
public static class TreeInfo implements Iterable<File>{
public List<File> files = new ArrayList<File>();
public List<File> dirs = new ArrayList<File>();
@Override
public Iterator<File> iterator() {
// TODO Auto-generated method stub
return files.iterator();
}
void addAll(TreeInfo other){
files.addAll(other.files);
dirs.addAll(other.dirs);
}
public String toString(){
StringBuilder sb = new StringBuilder();
sb.append("dirs: \n");
for(File f : dirs){
sb.append(f.getPath()+"\n");
}
sb.append("files: \n");
for(File f : files){
sb.append(f.getPath()+"\n");
}
return sb.toString();
}
}
public static TreeInfo walk(String start,String regex){
return recurseDirs(new File(start),regex);
}
public static TreeInfo walk(File start,String regex){
return recurseDirs(start,regex);
}
public static TreeInfo walk(File start){
return recurseDirs(start,".*");
}
public static TreeInfo walk(String start){
return recurseDirs(new File(start),".*");
}
private static TreeInfo recurseDirs(File file, String regex) {
TreeInfo result = new TreeInfo();
for(File item : file.listFiles()){
if(item.isDirectory()){
result.dirs.add(item);
result.addAll(recurseDirs(item,regex));
}else{
if(item.getName().matches(regex))
result.files.add(item);
}
}
return result;
}
public static void main(String...args){
System.out.println(walk("C:\\Users\\dell\\Desktop\\pdf.js"));
}
}