/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.shrinkwrap.resolver.impl.maven.archive.util;
import java.io.File;
import java.io.IOException;
/**
* An utility to work with file system.
*
* @author <a href="mailto:kpiwko@redhat.com">Karel Piwko</a>
* @author <a href="http://community.jboss.org/people/silenius">Samuel Santos</a>
*/
public class TestFileUtil {
/**
* Deletes a directory from file system. It simply ignores non-existing directories
*
* @param directory
* the directory to be deleted
* @throws IOException
* if the directory cannot be deleted
*/
public static void removeDirectory(File directory) throws IOException {
if (directory == null || !directory.exists() || !directory.canWrite() || !directory.canExecute()) {
return;
}
for (File entry : directory.listFiles()) {
if (entry.isDirectory()) {
removeDirectory(entry);
} else if (!entry.delete()) {
System.gc();
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
if (!entry.delete()) {
throw new IOException("Could not delete file " + entry.getAbsolutePath());
}
}
}
if (!directory.delete()) {
throw new IOException("Could not delete directory " + directory.getAbsolutePath());
}
}
/**
* Deletes all files with given name from a directory recursively
*
* @param root the directory to start with
* @param fileName name of file to be deleted
* @throws IOException if a file cannot be deleted
*/
public static void removeFilesRecursively(File root, String fileName) throws IOException {
if (root == null || !root.exists() || !root.canWrite() || !root.canExecute()) {
return;
}
for (File entry : root.listFiles()) {
if (entry.isDirectory()) {
removeFilesRecursively(entry, fileName);
} else if (entry.getName().equals(fileName)) {
if (!entry.delete()) {
System.gc();
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
if (!entry.delete()) {
throw new IOException("Could not delete file " + entry.getAbsolutePath());
}
}
}
}
}
}