/*
Copyright (c) 2020, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.esb.mediator.test.smooks.utils;

import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.Callable;

public class FileUtils {

    /**
     * Wait until a file is checked for its existence.
     *
     * @param filePath path to the target file.
     * @return Whether the file exists or not
     */
    public static Callable<Boolean> checkFileExistence(Path filePath) {
        return new Callable<Boolean>() {
            public Boolean call() throws Exception {
                return Files.exists(filePath);
            }
        };
    }
}
