/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.ivy.plugins.lock;
import java.io.File;
import java.util.Iterator;
import java.util.LinkedHashSet;
class DeleteOnExitHook {
static {
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
runHook();
}
});
}
private static LinkedHashSet files = new LinkedHashSet();
private DeleteOnExitHook() {
}
static synchronized void add(File file) {
files.add(file);
}
static synchronized void remove(File file) {
files.remove(file);
}
static synchronized void runHook() {
Iterator itr = files.iterator();
while (itr.hasNext()) {
((File) itr.next()).delete();
itr.remove();
}
}
}