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 18 package org.apache.commons.io.input; 19 20 /** 21 * Package-private factory for {@link UnsupportedOperationException} to provide messages with consistent formatting. 22 * 23 * <p> 24 * TODO Consider making this public and use from LineIterator but this feels like it belongs in LANG rather than IO. 25 * </p> 26 */ 27 final class UnsupportedOperationExceptions { 28 29 private static final String MARK_RESET = "mark/reset"; 30 31 /** 32 * Constructs a new instance of UnsupportedOperationException for a {@code mark} method. 33 * 34 * @return a new instance of UnsupportedOperationException 35 */ 36 static UnsupportedOperationException mark() { 37 // Use the same message as in java.io.InputStream.reset() in OpenJDK 8.0.275-1. 38 return method(MARK_RESET); 39 } 40 41 /** 42 * Constructs a new instance of UnsupportedOperationException for the given unsupported a {@code method} name. 43 * 44 * @param method A method name 45 * @return a new instance of UnsupportedOperationException 46 */ 47 static UnsupportedOperationException method(final String method) { 48 return new UnsupportedOperationException(method + " not supported"); 49 } 50 51 /** 52 * Constructs a new instance of UnsupportedOperationException for a {@code reset} method. 53 * 54 * @return a new instance of UnsupportedOperationException 55 */ 56 static UnsupportedOperationException reset() { 57 // Use the same message as in java.io.InputStream.reset() in OpenJDK 8.0.275-1. 58 return method(MARK_RESET); 59 } 60 }