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| 1 | +package org.graalvm.internal.tck; |
| 2 | + |
| 3 | +import groovy.json.JsonSlurper; |
| 4 | +import org.gradle.api.DefaultTask; |
| 5 | +import org.gradle.api.tasks.TaskAction; |
| 6 | +import org.gradle.api.tasks.options.Option; |
| 7 | + |
| 8 | +import java.io.File; |
| 9 | +import java.nio.file.Path; |
| 10 | +import java.util.*; |
| 11 | +import java.util.stream.Collectors; |
| 12 | + |
| 13 | +/** |
| 14 | + * Checks content of config files for a new library. |
| 15 | + * <p> |
| 16 | + * Run with {@code gradle checkConfigFiles --coordinates com.example:library:1.0.0}. |
| 17 | + * |
| 18 | + * @author David Nestorovic |
| 19 | + */ |
| 20 | +public class ConfigFilesChecker extends DefaultTask { |
| 21 | + |
| 22 | + private final List<String> EXPECTED_FILES = Arrays.asList("index.json", "reflect-config.json", "resource-config.json", "serialization-config.json", |
| 23 | + "jni-config.json", "proxy-config.json", "predefined-classes-config.json"); |
| 24 | + |
| 25 | + private final List<String> ILLEGAL_TYPE_VALUES = List.of("java.lang.Object"); |
| 26 | + |
| 27 | + private String coordinates; |
| 28 | + |
| 29 | + @Option(option = "coordinates", description = "Coordinates in the form of group:artifact:version") |
| 30 | + void setCoordinates(String coordinates) { |
| 31 | + this.coordinates = coordinates; |
| 32 | + } |
| 33 | + |
| 34 | + |
| 35 | + @TaskAction |
| 36 | + void run() throws IllegalArgumentException { |
| 37 | + Coordinates coordinates = Coordinates.parse(this.coordinates); |
| 38 | + |
| 39 | + File coordinatesMetadataRoot = getProject().file(CoordinateUtils.replace("metadata/$group$/$artifact$/$version$", coordinates)); |
| 40 | + if (!coordinatesMetadataRoot.exists()) { |
| 41 | + throw new IllegalArgumentException("ERROR: Cannot find metadata directory for given coordinates: " + this.coordinates); |
| 42 | + } |
| 43 | + |
| 44 | + boolean containsErrors = false; |
| 45 | + List<File> filesInMetadata = getConfigFilesForMetadataDir(coordinatesMetadataRoot); |
| 46 | + for (File file : filesInMetadata) { |
| 47 | + if (file.getName().equalsIgnoreCase("reflect-config.json")) { |
| 48 | + containsErrors |= reflectConfigFilesContainsErrors(file); |
| 49 | + } |
| 50 | + |
| 51 | + if (file.getName().equalsIgnoreCase("resource-config.json")) { |
| 52 | + containsErrors |= resourceConfigFilesContainsErrors(file); |
| 53 | + } |
| 54 | + |
| 55 | + if (file.getName().equalsIgnoreCase("serialization-config.json")) { |
| 56 | + containsErrors |= serializationConfigFilesContainsErrors(file); |
| 57 | + } |
| 58 | + |
| 59 | + if (file.getName().equalsIgnoreCase("proxy-config.json")) { |
| 60 | + containsErrors |= proxyConfigFilesContainsErrors(file); |
| 61 | + } |
| 62 | + |
| 63 | + if (file.getName().equalsIgnoreCase("jni-config.json")) { |
| 64 | + containsErrors |= jniConfigFilesContainsErrors(file); |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + if (containsErrors) { |
| 69 | + throw new IllegalStateException("Errors above found for: " + this.coordinates); |
| 70 | + } |
| 71 | + } |
| 72 | + |
| 73 | + private List<File> getConfigFilesForMetadataDir(File root) throws RuntimeException { |
| 74 | + List<File> files = new ArrayList<>(); |
| 75 | + File [] content = root.listFiles(); |
| 76 | + |
| 77 | + if (content == null) { |
| 78 | + throw new RuntimeException("ERROR: Failed to load content of " + root.toURI()); |
| 79 | + } |
| 80 | + |
| 81 | + Arrays.stream(content).forEach(file -> { |
| 82 | + String fileName = file.getName(); |
| 83 | + |
| 84 | + if (EXPECTED_FILES.stream().noneMatch(f -> f.equalsIgnoreCase(fileName))) { |
| 85 | + throw new IllegalStateException("ERROR: Unexpected file " + file.toURI() + " found in " + root.toURI()); |
| 86 | + } |
| 87 | + |
| 88 | + files.add(file); |
| 89 | + }); |
| 90 | + |
| 91 | + return files; |
| 92 | + } |
| 93 | + |
| 94 | + @SuppressWarnings("unchecked") |
| 95 | + private List<Map<String, Object>> getConfigEntries(File file) { |
| 96 | + JsonSlurper js = new JsonSlurper(); |
| 97 | + return ((List<Object>) js.parse(file)).stream().map(e -> (Map<String, Object>)e).collect(Collectors.toList()); |
| 98 | + } |
| 99 | + |
| 100 | + @SuppressWarnings("unchecked") |
| 101 | + private Map<String, Object> getConfigEntry(File file) { |
| 102 | + JsonSlurper js = new JsonSlurper(); |
| 103 | + return (Map<String, Object>) js.parse(file); |
| 104 | + } |
| 105 | + |
| 106 | + private boolean reflectConfigFilesContainsErrors(File file) { |
| 107 | + List<Map<String, Object>> entries = getConfigEntries(file); |
| 108 | + |
| 109 | + if (entries.size() == 0) { |
| 110 | + System.out.println("ERROR: empty reflect-config detected: " + file.toURI()); |
| 111 | + return true; |
| 112 | + } |
| 113 | + |
| 114 | + boolean containsErrors = containsDuplicatedEntries(entries, file); |
| 115 | + for (var entry : entries) { |
| 116 | + containsErrors |= checkTypeReachable(entry, file); |
| 117 | + } |
| 118 | + |
| 119 | + return containsErrors; |
| 120 | + } |
| 121 | + |
| 122 | + @SuppressWarnings("unchecked") |
| 123 | + private boolean resourceConfigFilesContainsErrors(File file) { |
| 124 | + Map<String, Object> entries = getConfigEntry(file); |
| 125 | + List<Map<String, Object>> bundles = (List<Map<String, Object>>) entries.get("bundles"); |
| 126 | + Map<String, Object> resources = (Map<String, Object>) entries.get("resources"); |
| 127 | + |
| 128 | + boolean containsErrors = false; |
| 129 | + if (resources != null) { |
| 130 | + List<Map<String, Object>> includes = (List<Map<String, Object>>) resources.get("includes"); |
| 131 | + List<Map<String, Object>> excludes = (List<Map<String, Object>>) resources.get("excludes"); |
| 132 | + |
| 133 | + if (listNullOrEmpty(includes) && listNullOrEmpty(excludes) && listNullOrEmpty(bundles)){ |
| 134 | + System.out.println("ERROR: empty resource-config detected: " + file.toURI()); |
| 135 | + return true; |
| 136 | + } |
| 137 | + |
| 138 | + // check include entries |
| 139 | + if (includes != null) { |
| 140 | + containsErrors |= containsDuplicatedEntries(includes, file); |
| 141 | + |
| 142 | + for (var entry : includes) { |
| 143 | + containsErrors |= checkTypeReachable(entry, file); |
| 144 | + } |
| 145 | + } |
| 146 | + |
| 147 | + // check exclude entries |
| 148 | + if (excludes != null) { |
| 149 | + containsErrors |= containsDuplicatedEntries(excludes, file); |
| 150 | + |
| 151 | + for (var entry : excludes) { |
| 152 | + containsErrors |= checkTypeReachable(entry, file); |
| 153 | + } |
| 154 | + } |
| 155 | + } |
| 156 | + |
| 157 | + return containsErrors; |
| 158 | + } |
| 159 | + |
| 160 | + @SuppressWarnings("unchecked") |
| 161 | + private boolean serializationConfigFilesContainsErrors(File file) { |
| 162 | + Map<String, Object> entries = getConfigEntry(file); |
| 163 | + |
| 164 | + List<Map<String, Object>> types = (List<Map<String, Object>>) entries.get("types"); |
| 165 | + List<Map<String, Object>> lambdaCapturingTypes = (List<Map<String, Object>>) entries.get("lambdaCapturingTypes"); |
| 166 | + |
| 167 | + if (listNullOrEmpty(types) && listNullOrEmpty(lambdaCapturingTypes)) { |
| 168 | + System.out.println("ERROR: empty serialization-config detected: " + file.toURI()); |
| 169 | + return true; |
| 170 | + } |
| 171 | + |
| 172 | + boolean containsErrors = false; |
| 173 | + if (types != null) { |
| 174 | + // check include entries |
| 175 | + containsErrors |= containsDuplicatedEntries(types, file); |
| 176 | + |
| 177 | + for (var entry : types) { |
| 178 | + containsErrors |= checkTypeReachable(entry, file); |
| 179 | + } |
| 180 | + } |
| 181 | + |
| 182 | + if (lambdaCapturingTypes != null) { |
| 183 | + // check include entries |
| 184 | + containsErrors |= containsDuplicatedEntries(lambdaCapturingTypes, file); |
| 185 | + |
| 186 | + for (var entry : lambdaCapturingTypes) { |
| 187 | + containsErrors |= checkTypeReachable(entry, file); |
| 188 | + } |
| 189 | + } |
| 190 | + |
| 191 | + return containsErrors; |
| 192 | + } |
| 193 | + |
| 194 | + private boolean proxyConfigFilesContainsErrors(File file) { |
| 195 | + List<Map<String, Object>> entries = getConfigEntries(file); |
| 196 | + |
| 197 | + if (entries.size() == 0) { |
| 198 | + System.out.println("ERROR: empty proxy-config detected: " + file.toURI()); |
| 199 | + return true; |
| 200 | + } |
| 201 | + |
| 202 | + boolean containsErrors = containsDuplicatedEntries(entries, file); |
| 203 | + for (var entry : entries) { |
| 204 | + containsErrors |= checkTypeReachable(entry, file); |
| 205 | + } |
| 206 | + |
| 207 | + return containsErrors; |
| 208 | + } |
| 209 | + |
| 210 | + private boolean jniConfigFilesContainsErrors(File file) { |
| 211 | + List<Map<String, Object>> entries = getConfigEntries(file); |
| 212 | + |
| 213 | + if (entries.size() == 0) { |
| 214 | + System.out.println("ERROR: empty jni-config detected: " + file.toURI()); |
| 215 | + return true; |
| 216 | + } |
| 217 | + |
| 218 | + return containsDuplicatedEntries(entries, file); |
| 219 | + } |
| 220 | + |
| 221 | + private boolean containsDuplicatedEntries(List<Map<String, Object>> entries, File file) { |
| 222 | + Map<Map<String, Object>, Integer> duplicates = new HashMap<>(); |
| 223 | + entries.forEach(entry -> duplicates.merge(entry, 1, Integer::sum)); |
| 224 | + |
| 225 | + // print all entries that appears more than once |
| 226 | + boolean containsDuplicates = false; |
| 227 | + for (var entry : duplicates.entrySet()) { |
| 228 | + if (entry.getValue() > 1) { |
| 229 | + String entryName = (String) entry.getKey().get("name"); |
| 230 | + if (entryName == null) { |
| 231 | + entryName = entry.getKey().toString(); |
| 232 | + } |
| 233 | + containsDuplicates = true; |
| 234 | + System.out.println("ERROR: In file " + file.toURI() + " there is a duplicated entry " + entryName); |
| 235 | + } |
| 236 | + } |
| 237 | + |
| 238 | + return containsDuplicates; |
| 239 | + } |
| 240 | + |
| 241 | + @SuppressWarnings("unchecked") |
| 242 | + private boolean checkTypeReachable(Map<String, Object> entry, File file) { |
| 243 | + // check if condition entry exists |
| 244 | + Map<String, Object> condition = (Map<String, Object>) entry.get("condition"); |
| 245 | + if (condition == null) { |
| 246 | + System.out.println("ERROR: In file " + file.toURI() + " there is an entry " + entry + " with missing condition field."); |
| 247 | + return true; |
| 248 | + } |
| 249 | + |
| 250 | + // check if typeReachable exists inside condition entry |
| 251 | + String typeReachable = (String) condition.get("typeReachable"); |
| 252 | + if (ILLEGAL_TYPE_VALUES.stream().anyMatch(type -> type.equalsIgnoreCase(typeReachable))) { |
| 253 | + // get name of entry that misses typeReachable. If name cannot be determinate, write whole entry |
| 254 | + String entryName = (String) entry.get("name"); |
| 255 | + if (entryName == null) { |
| 256 | + entryName = entry.toString(); |
| 257 | + } |
| 258 | + |
| 259 | + System.out.println("ERROR: In file " + file.toURI() + " entry: " + entryName + " contains illegal typeReachable value. Field" + |
| 260 | + " typeReachable cannot be any of the following values: " + ILLEGAL_TYPE_VALUES); |
| 261 | + return true; |
| 262 | + } |
| 263 | + |
| 264 | + return false; |
| 265 | + } |
| 266 | + |
| 267 | + private boolean listNullOrEmpty(List list) { |
| 268 | + return list == null || list.size() == 0; |
| 269 | + } |
| 270 | + |
| 271 | +} |
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