Respuesta :
Answer:
Java program for the problem is explained below
Explanation:
FindFile.java
import java.io.File;
import java.io.FilenameFilter;
/**
*
* @author dannwaeze
*/
public class FindFile {
String targetFile;
String pathToSearch;
int count;
private String[] filenames;
int maxFiles;
public FindFile(int maxFiles) {
this.maxFiles = maxFiles;
this.count=0;
}
//getter setter metthods
public String getTargetFile() {
return targetFile;
}
public void setTargetFile(String targetFile) {
this.targetFile = targetFile;
}
public String getPathToSearch() {
return pathToSearch;
}
public void setPathToSearch(String pathToSearch) {
this.pathToSearch = pathToSearch;
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}
public String[] getFilenames() {
return filenames;
}
public void setFilenames(String[] filenames) {
this.filenames = filenames;
}
//file searching method
public void directorySearch(String target, String dirName){
File dir = new File(dirName);
FilenameFilter filter = new FilenameFilter() {
@Override
public boolean accept
(File dir, String name) {//filtering by filename given
return name.startsWith(target);
}
};
this.filenames = dir.list(filter);
this.count = this.filenames.length;
if (this.filenames == null) { //checking for empty direxxtory or invalid directory name
System.out.println("Directory is not found...");
}
else {
for (int i=0; i<this.filenames.length; i++) {
String filename = this.filenames[i];
System.out.println(filename);
}
}
}
}
------------------------------------------------------------------------------------------------------------------------------
Driver.java
public class Driver {
public static void main(String args[]){
//declaring variablaes
String targetFile = "lesson.css";
String pathToSearch ="C:\\WCWC:";
//instacnce created
FindFile finder = new FindFile(10);
//calling function
finder.directorySearch(targetFile, pathToSearch);
}
}
