1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.vfs2; 18 19 /** 20 * Several standard file selectors. 21 */ 22 public final class Selectors { 23 24 /** 25 * A {@link FileSelector} that selects only the base file/folder. 26 */ 27 public static final FileSelector SELECT_SELF = new FileDepthSelector(); 28 29 /** 30 * A {@link FileSelector} that selects the base file/folder and its direct children. 31 */ 32 public static final FileSelector SELECT_SELF_AND_CHILDREN = new FileDepthSelector(0, 1); 33 34 /** 35 * A {@link FileSelector} that selects only the direct children of the base folder. 36 */ 37 public static final FileSelector SELECT_CHILDREN = new FileDepthSelector(1); 38 39 /** 40 * A {@link FileSelector} that selects all the descendants of the base folder, but does not select the base folder 41 * itself. 42 */ 43 public static final FileSelector EXCLUDE_SELF = new FileDepthSelector(1, Integer.MAX_VALUE); 44 45 /** 46 * A {@link FileSelector} that only files (not folders). 47 */ 48 public static final FileSelector SELECT_FILES = new FileTypeSelector(FileType.FILE); 49 50 /** 51 * A {@link FileSelector} that only folders (not files). 52 */ 53 public static final FileSelector SELECT_FOLDERS = new FileTypeSelector(FileType.FOLDER); 54 55 /** 56 * A {@link FileSelector} that selects the base file/folder, plus all its descendants. 57 */ 58 public static final FileSelector SELECT_ALL = new AllFileSelector(); 59 60 /** 61 * Prevents the class from being instantiated. 62 */ 63 private Selectors() { 64 } 65 }