flink-end-to-end-tests/flink-end-to-end-tests-common/src/main/java/org/apache/flink/tests/util/AutoClosablePath.java

/*
 * 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.flink.tests.util;

import org.apache.flink.util.FileUtils;
import org.apache.flink.util.Preconditions;

import java.io.IOException;
import java.nio.file.Path;

/**
 * Utility class to delete a given {@link Path} when exiting a try-with-resources statement.
 */
public final class AutoClosablePath implements AutoCloseable {

	private final Path path;

	public AutoClosablePath(final Path path) {
		Preconditions.checkNotNull(path, "Path must not be null.");
		Preconditions.checkArgument(path.isAbsolute(), "Path must be absolute.");
		this.path = path;
	}

	@Override
	public void close() throws IOException {
		FileUtils.deleteFileOrDirectory(path.toFile());
	}
}