Here you can find the source of findFile(FileSystem fileSystem, String path, String optionalFileSuffix)
private static Path findFile(FileSystem fileSystem, String path, String optionalFileSuffix)
//package com.java2s; /*//w ww . j a v a 2 s. c o m * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch 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. */ import java.nio.file.FileSystem; import java.nio.file.Files; import java.nio.file.Path; public class Main { private static Path findFile(FileSystem fileSystem, String path, String optionalFileSuffix) { Path file = fileSystem.getPath(path); if (!lenientExists(file)) { file = fileSystem.getPath(path + optionalFileSuffix); } return file; } private static boolean lenientExists(Path file) { boolean exists = false; try { exists = Files.exists(file); } catch (SecurityException ok) { } return exists; } }