| 1 | package com.reallifedeveloper.common.resource; | |
| 2 | ||
| 3 | import static com.reallifedeveloper.common.domain.LogUtil.removeCRLF; | |
| 4 | ||
| 5 | import java.io.FileNotFoundException; | |
| 6 | import java.net.MalformedURLException; | |
| 7 | import java.net.URI; | |
| 8 | import java.net.URISyntaxException; | |
| 9 | import java.net.URL; | |
| 10 | import java.time.LocalDate; | |
| 11 | import java.time.format.DateTimeFormatter; | |
| 12 | import java.util.Arrays; | |
| 13 | import java.util.Collections; | |
| 14 | import java.util.List; | |
| 15 | import java.util.stream.Collectors; | |
| 16 | ||
| 17 | import org.slf4j.Logger; | |
| 18 | import org.slf4j.LoggerFactory; | |
| 19 | ||
| 20 | import jakarta.ws.rs.WebApplicationException; | |
| 21 | ||
| 22 | import com.reallifedeveloper.common.domain.ErrorHandling; | |
| 23 | ||
| 24 | /** | |
| 25 | * A base class for JAX-RS resources. | |
| 26 | * | |
| 27 | * @author RealLifeDeveloper | |
| 28 | */ | |
| 29 | public class BaseResource { | |
| 30 | ||
| 31 | /** | |
| 32 | * The optional query parameter that holds the API key of the calling system. If authentication is required, either this query parameter | |
| 33 | * or the HTTP header {@link #API_KEY_HTTP_HEADER} must be included in the request. | |
| 34 | */ | |
| 35 | public static final String API_KEY_QUERY_PARAMETER = "apikey"; | |
| 36 | ||
| 37 | /** | |
| 38 | * The optional HTTP header that holds the API key of the calling system. If authentication is required, either this HTTP header or the | |
| 39 | * query parameter {@link #API_KEY_QUERY_PARAMETER} must be included in the request. | |
| 40 | */ | |
| 41 | public static final String API_KEY_HTTP_HEADER = "SvkAuthSvc-ApiKey"; | |
| 42 | ||
| 43 | /** | |
| 44 | * The standard format for dates, without time. | |
| 45 | */ | |
| 46 | public static final String DATE_FORMAT = "yyyy-MM-dd"; | |
| 47 | ||
| 48 | /** | |
| 49 | * A handy value to provide to the {@link ResourceUtil#cacheControl(int)} method to cache a result for one hour. | |
| 50 | */ | |
| 51 | protected static final int CACHE_1_HOUR = 60 * 60; | |
| 52 | ||
| 53 | private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern(DATE_FORMAT); | |
| 54 | ||
| 55 | private final Logger logger = LoggerFactory.getLogger(getClass()); | |
| 56 | ||
| 57 | /** | |
| 58 | * Creates a new {@code BaseResource}, intended to be used by sub-classes. | |
| 59 | */ | |
| 60 | protected BaseResource() { | |
| 61 | // The only constructor is protected, to disallow direct instantiation. | |
| 62 | } | |
| 63 | ||
| 64 | /** | |
| 65 | * Gives the {@code org.slf4j.Logger} to use for logging. | |
| 66 | * | |
| 67 | * @return the {@code org.slf4j.Logger} | |
| 68 | */ | |
| 69 | protected Logger logger() { | |
| 70 |
1
1. logger : replaced return value with null for com/reallifedeveloper/common/resource/BaseResource::logger → KILLED |
return logger; |
| 71 | } | |
| 72 | ||
| 73 | /** | |
| 74 | * Use this method to translate an exception to the appropriate {@code WebApplicationException}. The problem is also logged. | |
| 75 | * | |
| 76 | * @param methodName the name of the method where the problem occurred | |
| 77 | * @param originalException the exception that should be translated | |
| 78 | * | |
| 79 | * @return an appropriate {@code WebApplicationException}, depending on {@code originalException} | |
| 80 | * | |
| 81 | * @throws IllegalArgumentException if any argument is {@code null} | |
| 82 | */ | |
| 83 | protected WebApplicationException handleError(String methodName, Exception originalException) { | |
| 84 |
1
1. handleError : removed call to com/reallifedeveloper/common/domain/ErrorHandling::checkNull → KILLED |
ErrorHandling.checkNull("Arguments must not be null: methodName=%s, originalException=%s", methodName, originalException); |
| 85 | WebApplicationException webApplicationException; | |
| 86 |
1
1. handleError : negated conditional → KILLED |
if (originalException instanceof IllegalArgumentException) { |
| 87 | logger().debug("{}: {}", removeCRLF(methodName), removeCRLF(originalException)); | |
| 88 | webApplicationException = ResourceUtil.badRequest(originalException.getMessage()); | |
| 89 |
1
1. handleError : negated conditional → KILLED |
} else if (originalException instanceof FileNotFoundException) { |
| 90 | logger().debug("{}: {}", removeCRLF(methodName), removeCRLF(originalException)); | |
| 91 | webApplicationException = ResourceUtil.notFound(originalException.getMessage()); | |
| 92 | } else { | |
| 93 | logger().error(removeCRLF(methodName), removeCRLF(originalException)); | |
| 94 | webApplicationException = ResourceUtil.serverError(originalException.toString()); | |
| 95 | } | |
| 96 |
1
1. handleError : replaced return value with null for com/reallifedeveloper/common/resource/BaseResource::handleError → KILLED |
return webApplicationException; |
| 97 | } | |
| 98 | ||
| 99 | /** | |
| 100 | * Parses a string as a {@code java.time.LocalDate}, using the date format {@value #DATE_FORMAT}. | |
| 101 | * | |
| 102 | * @param date the string to parse | |
| 103 | * | |
| 104 | * @return the {@code java.time.LocalDate} representation of {@code date} | |
| 105 | * | |
| 106 | * @throws IllegalArgumentException if {@code date} is {@code null} or could not be parsed as a date | |
| 107 | */ | |
| 108 | protected LocalDate parseDate(String date) { | |
| 109 |
1
1. parseDate : removed call to com/reallifedeveloper/common/domain/ErrorHandling::checkNull → KILLED |
ErrorHandling.checkNull("date must not be null", date); |
| 110 |
1
1. parseDate : replaced return value with null for com/reallifedeveloper/common/resource/BaseResource::parseDate → KILLED |
return LocalDate.parse(date, DATE_FORMATTER); |
| 111 | } | |
| 112 | ||
| 113 | /** | |
| 114 | * Parses a string as a {@code java.net.URL}. | |
| 115 | * | |
| 116 | * @param url the string to parse | |
| 117 | * | |
| 118 | * @return the {@code java.net.URL} representation of {@code url} | |
| 119 | * | |
| 120 | * @throws IllegalArgumentException if {@code url} could not be parsed as a URL | |
| 121 | */ | |
| 122 | protected URL parseUrl(String url) { | |
| 123 |
1
1. parseUrl : removed call to com/reallifedeveloper/common/domain/ErrorHandling::checkNull → KILLED |
ErrorHandling.checkNull("url must not be null", url); |
| 124 | try { | |
| 125 |
1
1. parseUrl : replaced return value with null for com/reallifedeveloper/common/resource/BaseResource::parseUrl → KILLED |
return new URI(url).toURL(); |
| 126 | } catch (MalformedURLException | URISyntaxException e) { | |
| 127 | throw new IllegalArgumentException(String.format("The string '%s' could not be parsed as a url", url), e); | |
| 128 | } | |
| 129 | } | |
| 130 | ||
| 131 | /** | |
| 132 | * Given a comma-separated list, this methods returns a list containing the constituent strings, with leading and trailing whitespace | |
| 133 | * removed. | |
| 134 | * | |
| 135 | * Example: Given the string " foo ,bar , baz " the result is the list ["foo","bar","baz"]. | |
| 136 | * | |
| 137 | * @param s a comma-separated list | |
| 138 | * | |
| 139 | * @return a list with the constituent strings, with whitespace removed | |
| 140 | */ | |
| 141 | protected List<String> commaSeparatedStringToList(String s) { | |
| 142 |
2
1. commaSeparatedStringToList : negated conditional → KILLED 2. commaSeparatedStringToList : negated conditional → KILLED |
if (s == null || s.isBlank()) { |
| 143 | return Collections.emptyList(); | |
| 144 | } else { | |
| 145 |
1
1. commaSeparatedStringToList : replaced return value with Collections.emptyList for com/reallifedeveloper/common/resource/BaseResource::commaSeparatedStringToList → KILLED |
return Arrays.asList(s.split("\\s*,\\s*")).stream().map(String::trim).collect(Collectors.toList()); |
| 146 | } | |
| 147 | } | |
| 148 | } | |
Mutations | ||
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