001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.vfs2.util; 018 019/** 020 * An enumerated type representing the modes of a random access content. 021 */ 022public enum RandomAccessMode { 023 /** 024 * read. 025 */ 026 READ(true, false), 027 028 /** 029 * read/write. 030 */ 031 READWRITE(true, true); 032 033 private final boolean read; 034 private final boolean write; 035 036 private RandomAccessMode(final boolean read, final boolean write) { 037 this.read = read; 038 this.write = write; 039 } 040 041 public boolean requestRead() { 042 return read; 043 } 044 045 public boolean requestWrite() { 046 return write; 047 } 048 049 /** 050 * @return The mode String. 051 * @since 2.0 052 */ 053 public String getModeString() { 054 if (requestRead()) { 055 if (requestWrite()) { 056 return "rw"; // NON-NLS 057 } 058 return "r"; // NON-NLS 059 } else if (requestWrite()) { 060 return "w"; // NON-NLS 061 } 062 063 return ""; 064 } 065}