| /* |
| * 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.tamaya.types.internal.converters; |
| |
| import org.apache.tamaya.types.spi.ConversionContext; |
| import org.apache.tamaya.types.spi.PropertyConverter; |
| |
| import java.util.Locale; |
| import java.util.Objects; |
| import java.util.logging.Logger; |
| |
| /** |
| * Converter, converting from String to Long, the supported format is one of the following: |
| * <ul> |
| * <li>123 (byte value)</li> |
| * <li>0xFF (byte value)</li> |
| * <li>0XDF (byte value)</li> |
| * <li>0D1 (byte value)</li> |
| * <li>-123 (byte value)</li> |
| * <li>-0xFF (byte value)</li> |
| * <li>-0XDF (byte value)</li> |
| * <li>-0D1 (byte value)</li> |
| * <li>MIN_VALUE (ignoring case)</li> |
| * <li>MIN (ignoring case)</li> |
| * <li>MAX_VALUE (ignoring case)</li> |
| * <li>MAX (ignoring case)</li> |
| * </ul> |
| */ |
| public class LongConverter implements PropertyConverter<Long>{ |
| |
| private static final Logger LOGGER = Logger.getLogger(LongConverter.class.getName()); |
| |
| @Override |
| public Long convert(String value, ConversionContext context) { |
| context.addSupportedFormats(getClass(), "<long>", "MIN", "MIN_VALUE", "MAX", "MAX_VALUE"); |
| |
| String trimmed = Objects.requireNonNull(value).trim(); |
| switch (trimmed.toUpperCase(Locale.ENGLISH)) { |
| case "MIN_VALUE": |
| case "MIN": |
| return Long.MIN_VALUE; |
| case "MAX_VALUE": |
| case "MAX": |
| return Long.MAX_VALUE; |
| default: |
| try { |
| return Long.decode(trimmed); |
| } |
| catch(Exception e){ |
| LOGGER.finest("Unable to parse Long value: " + value); |
| return null; |
| } |
| } |
| |
| } |
| } |