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| 1 | +/* |
| 2 | + * The MIT License |
| 3 | + * |
| 4 | + * Copyright (c) 2020, Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com) |
| 5 | + * |
| 6 | + * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | + * of this software and associated documentation files (the "Software"), to deal |
| 8 | + * in the Software without restriction, including without limitation the rights |
| 9 | + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | + * copies of the Software, and to permit persons to whom the Software is |
| 11 | + * furnished to do so, subject to the following conditions: |
| 12 | + * |
| 13 | + * The above copyright notice and this permission notice shall be included in |
| 14 | + * all copies or substantial portions of the Software. |
| 15 | + * |
| 16 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | + * THE SOFTWARE. |
| 23 | + */ |
| 24 | +package org.jeasy.random.util; |
| 25 | + |
| 26 | +import java.lang.reflect.Array; |
| 27 | +import java.math.BigDecimal; |
| 28 | +import java.math.BigInteger; |
| 29 | +import java.time.LocalDate; |
| 30 | +import java.time.LocalDateTime; |
| 31 | +import java.time.LocalTime; |
| 32 | +import java.time.ZoneOffset; |
| 33 | +import java.time.format.DateTimeFormatter; |
| 34 | +import java.util.Date; |
| 35 | +import java.util.stream.Stream; |
| 36 | + |
| 37 | +import org.jeasy.random.annotation.RandomizerArgument; |
| 38 | + |
| 39 | +/** |
| 40 | + * Type conversion utility methods. |
| 41 | + * |
| 42 | + * <strong>This class is intended for internal use only.</strong> |
| 43 | + * |
| 44 | + * @author Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com) |
| 45 | + */ |
| 46 | +public class ConversionUtils { |
| 47 | + |
| 48 | + private static final String DATE_PATTERN = "yyyy-MM-dd HH:mm:ss"; |
| 49 | + |
| 50 | + private ConversionUtils() { |
| 51 | + } |
| 52 | + |
| 53 | + public static Object[] convertArguments(final RandomizerArgument[] declaredArguments) { |
| 54 | + int numberOfArguments = declaredArguments.length; |
| 55 | + Object[] arguments = new Object[numberOfArguments]; |
| 56 | + for (int i = 0; i < numberOfArguments; i++) { |
| 57 | + Class<?> type = declaredArguments[i].type(); |
| 58 | + String value = declaredArguments[i].value(); |
| 59 | + // issue 299: if argument type is array, split values before conversion |
| 60 | + if (type.isArray()) { |
| 61 | + Object[] values = Stream.of(value.split(",")).map(String::trim).toArray(); |
| 62 | + arguments[i] = convertArray(values, type); |
| 63 | + } else { |
| 64 | + arguments[i] = convertValue(value, type); |
| 65 | + } |
| 66 | + } |
| 67 | + return arguments; |
| 68 | + } |
| 69 | + |
| 70 | + private static Object convertArray(Object array, Class<?> targetType) { |
| 71 | + Object[] values = (Object[]) array; |
| 72 | + Object convertedValuesArray = Array.newInstance(targetType.getComponentType(), values.length); |
| 73 | + for (int i = 0; i < values.length; i++) { |
| 74 | + Array.set(convertedValuesArray, i, convertValue((String) values[i], targetType.getComponentType())); |
| 75 | + } |
| 76 | + return convertedValuesArray; |
| 77 | + } |
| 78 | + |
| 79 | + private static Object convertValue(String value, Class<?> targetType) { |
| 80 | + if(Boolean.class.equals(targetType) || Boolean.TYPE.equals(targetType)) return Boolean.parseBoolean(value); |
| 81 | + if(Byte.class.equals(targetType) || Byte.TYPE.equals(targetType)) return Byte.parseByte(value); |
| 82 | + if(Short.class.equals(targetType) || Short.TYPE.equals(targetType)) return Short.parseShort(value); |
| 83 | + if(Integer.class.equals(targetType) || Integer.TYPE.equals(targetType)) return Integer.parseInt(value); |
| 84 | + if(Long.class.equals(targetType) || Long.TYPE.equals(targetType)) return Long.parseLong(value); |
| 85 | + if(Float.class.equals(targetType) || Float.TYPE.equals(targetType)) return Float.parseFloat(value); |
| 86 | + if(Double.class.equals(targetType) || Double.TYPE.equals(targetType)) return Double.parseDouble(value); |
| 87 | + if(BigInteger.class.equals(targetType)) return new BigInteger(value); |
| 88 | + if(BigDecimal.class.equals(targetType)) return new BigDecimal(value); |
| 89 | + if(Date.class.equals(targetType)) return Date.from(parseDate(value).toInstant(ZoneOffset.UTC)); |
| 90 | + if(java.sql.Date.class.equals(targetType)) return java.sql.Date.valueOf(value); |
| 91 | + if(java.sql.Time.class.equals(targetType)) return java.sql.Time.valueOf(value); |
| 92 | + if(java.sql.Timestamp.class.equals(targetType)) return java.sql.Timestamp.valueOf(value); |
| 93 | + if(LocalDate.class.equals(targetType)) return LocalDate.parse(value); |
| 94 | + if(LocalTime.class.equals(targetType)) return LocalTime.parse(value); |
| 95 | + if(LocalDateTime.class.equals(targetType)) return LocalDateTime.parse(value); |
| 96 | + return value; |
| 97 | + } |
| 98 | + |
| 99 | + private static LocalDateTime parseDate(String value) { |
| 100 | + return LocalDateTime.parse(value, DateTimeFormatter.ofPattern(DATE_PATTERN)); |
| 101 | + } |
| 102 | +} |
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