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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Camil Staps <info@camilstaps.nl>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.camilstaps.findfile;
import java.io.File;
import java.io.IOException;
/**
* Recursively find a file using threads
* @author Camil Staps s4498062
*/
public class FileFinder implements Runnable {
private final File rootDir;
private final String search;
/**
* Create an instance of the FileFinder
* @param root the name of the directory in which to search
* @param search the filename to search for
* @throws IOException if root is not the name of a directory
*/
public FileFinder(String root, String search) throws IOException {
rootDir = new File(root);
if (!rootDir.exists() || !rootDir.isDirectory()) {
throw new IOException(root + " is not a directory.");
}
this.search = search;
}
@Override
public void run() {
find(rootDir, search);
}
/**
* Recursively find a file with a name in a directory
* A new thread is created for every directory encountered
* @param dir the directory
* @param name the name
*/
private void find(File dir, String name) {
File[] files = dir.listFiles();
if (files == null) return;
for (File file : files) {
if (file.getName().equals(name)) {
System.out.println(file.getAbsolutePath());
}
if (file.isDirectory()) {
try {
Thread t = new Thread(new FileFinder(file.getAbsolutePath(), search));
t.start();
} catch (IOException ex) {}
}
}
}
}
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