| /* |
| * 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. |
| */ |
| |
| package org.apache.commons.io; |
| |
| import java.nio.ByteOrder; |
| |
| /** |
| * Converts Strings to {@link ByteOrder} instances. |
| * |
| * @since 2.6 |
| */ |
| public final class ByteOrderParser { |
| |
| /** |
| * Parses the String argument as a {@link ByteOrder}. |
| * <p> |
| * Returns {@code ByteOrder.LITTLE_ENDIAN} if the given value is {@code "LITTLE_ENDIAN"}. |
| * </p> |
| * <p> |
| * Returns {@code ByteOrder.BIG_ENDIAN} if the given value is {@code "BIG_ENDIAN"}. |
| * </p> |
| * Examples: |
| * <ul> |
| * <li>{@code ByteOrderParser.parseByteOrder("LITTLE_ENDIAN")} returns {@code ByteOrder.LITTLE_ENDIAN}</li> |
| * <li>{@code ByteOrderParser.parseByteOrder("BIG_ENDIAN")} returns {@code ByteOrder.BIG_ENDIAN}</li> |
| * </ul> |
| * |
| * @param value |
| * the {@link String} containing the ByteOrder representation to be parsed |
| * @return the ByteOrder represented by the string argument |
| * @throws IllegalArgumentException |
| * if the {@link String} containing the ByteOrder representation to be parsed is unknown. |
| */ |
| public static ByteOrder parseByteOrder(final String value) { |
| if (ByteOrder.BIG_ENDIAN.toString().equals(value)) { |
| return ByteOrder.BIG_ENDIAN; |
| } |
| if (ByteOrder.LITTLE_ENDIAN.toString().equals(value)) { |
| return ByteOrder.LITTLE_ENDIAN; |
| } |
| throw new IllegalArgumentException("Unsupported byte order setting: " + value + ", expected one of " + ByteOrder.LITTLE_ENDIAN + |
| ", " + ByteOrder.BIG_ENDIAN); |
| } |
| |
| /** |
| * ByteOrderUtils is a static utility class, so prevent construction with a private constructor. |
| */ |
| private ByteOrderParser() { |
| } |
| |
| } |