Here you can find the source of checkDirectory(File directory)
Parameter | Description |
---|---|
directory | The File to check. |
Parameter | Description |
---|---|
IllegalArgumentException | if the given File does not exist or is not a directory. |
private static void checkDirectory(File directory)
//package com.java2s; /*/*from w ww . j av a 2 s.com*/ * 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. */ import java.io.File; public class Main { /** * Checks that the given {@code File} exists and is a directory. * * @param directory The {@code File} to check. * @throws IllegalArgumentException if the given {@code File} does not exist or is not a directory. */ private static void checkDirectory(File directory) { if (!directory.exists()) { throw new IllegalArgumentException(directory + " does not exist"); } if (!directory.isDirectory()) { throw new IllegalArgumentException(directory + " is not a directory"); } } }