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| 1 | +package org.infernus.idea.checkstyle.maven; |
| 2 | + |
| 3 | +import com.intellij.openapi.project.Project; |
| 4 | +import java.io.File; |
| 5 | +import java.net.URI; |
| 6 | +import java.net.URISyntaxException; |
| 7 | +import java.nio.file.Files; |
| 8 | +import java.nio.file.InvalidPathException; |
| 9 | +import java.nio.file.Path; |
| 10 | +import java.util.Spliterator; |
| 11 | +import java.util.Spliterators; |
| 12 | +import java.util.TreeSet; |
| 13 | +import java.util.stream.StreamSupport; |
| 14 | +import org.infernus.idea.checkstyle.CheckstyleProjectService; |
| 15 | +import org.infernus.idea.checkstyle.config.PluginConfigurationBuilder; |
| 16 | +import org.infernus.idea.checkstyle.config.PluginConfigurationManager; |
| 17 | +import org.infernus.idea.checkstyle.model.ConfigurationLocation; |
| 18 | +import org.infernus.idea.checkstyle.model.ConfigurationLocationFactory; |
| 19 | +import org.infernus.idea.checkstyle.model.ConfigurationType; |
| 20 | +import org.infernus.idea.checkstyle.model.NamedScopeHelper; |
| 21 | +import org.jetbrains.annotations.NotNull; |
| 22 | +import org.jetbrains.idea.maven.importing.MavenAfterImportConfigurator; |
| 23 | +import org.jetbrains.idea.maven.model.MavenId; |
| 24 | +import org.jetbrains.idea.maven.project.MavenProject; |
| 25 | + |
| 26 | +@SuppressWarnings("UnstableApiUsage") |
| 27 | +public class MavenCheckstyleConfigurator implements MavenAfterImportConfigurator { |
| 28 | + |
| 29 | + private static final MavenId CHECKSTYLE_MAVEN_ID = |
| 30 | + new MavenId("com.puppycrawl.tools", "checkstyle", null); |
| 31 | + private static final MavenId MAVEN_CHECKSTYLE_PLUGIN_MAVEN_ID = |
| 32 | + new MavenId("org.apache.maven.plugins", "maven-checkstyle-plugin", null); |
| 33 | + private static final String MAVEN_CONFIG_LOCATION_ID = "maven-config-location"; |
| 34 | + |
| 35 | + @Override |
| 36 | + public void afterImport(@NotNull final MavenAfterImportConfigurator.Context context) { |
| 37 | + final var project = context.getProject(); |
| 38 | + |
| 39 | + // TODO: Current CheckStyle IntelliJ plugin supports specifying the active rule for a given |
| 40 | + // Module. The code here can probably support that as well, if two modules use different |
| 41 | + // configurations. |
| 42 | + |
| 43 | + // TODO: The first MavenProject found with a Maven Checkstyle Plugin will modify the settings |
| 44 | + // for the Project. Might be useful to have a more deterministic way for this to work. |
| 45 | + final var mavenProjectWithModules = |
| 46 | + StreamSupport.stream( |
| 47 | + Spliterators.spliteratorUnknownSize( |
| 48 | + context.getMavenProjectsWithModules().iterator(), Spliterator.ORDERED), |
| 49 | + false) |
| 50 | + .filter( |
| 51 | + mavenProjectWithModulesToFilter -> { |
| 52 | + final var mavenProject = mavenProjectWithModulesToFilter.getMavenProject(); |
| 53 | + final var checkstyleMavenPlugin = |
| 54 | + mavenProject.findPlugin( |
| 55 | + MAVEN_CHECKSTYLE_PLUGIN_MAVEN_ID.getGroupId(), |
| 56 | + MAVEN_CHECKSTYLE_PLUGIN_MAVEN_ID.getArtifactId()); |
| 57 | + |
| 58 | + return checkstyleMavenPlugin != null; |
| 59 | + }) |
| 60 | + .findFirst() |
| 61 | + .orElse(null); |
| 62 | + |
| 63 | + if (mavenProjectWithModules == null) { |
| 64 | + return; |
| 65 | + } |
| 66 | + |
| 67 | + final var mavenProject = mavenProjectWithModules.getMavenProject(); |
| 68 | + final var checkstyleMavenPlugin = |
| 69 | + mavenProject.findPlugin( |
| 70 | + MAVEN_CHECKSTYLE_PLUGIN_MAVEN_ID.getGroupId(), |
| 71 | + MAVEN_CHECKSTYLE_PLUGIN_MAVEN_ID.getArtifactId()); |
| 72 | + |
| 73 | + if (checkstyleMavenPlugin == null) { |
| 74 | + return; |
| 75 | + } |
| 76 | + |
| 77 | + final var checkstyleDependencyMavenId = |
| 78 | + checkstyleMavenPlugin.getDependencies().stream() |
| 79 | + .filter( |
| 80 | + dependency -> |
| 81 | + CHECKSTYLE_MAVEN_ID.equals(dependency.getGroupId(), dependency.getArtifactId())) |
| 82 | + .findFirst() |
| 83 | + .orElse(null); |
| 84 | + |
| 85 | + final var pluginConfigurationManager = project.getService(PluginConfigurationManager.class); |
| 86 | + final var currentPluginConfiguration = pluginConfigurationManager.getCurrent(); |
| 87 | + final var pluginConfigurationBuilder = |
| 88 | + PluginConfigurationBuilder.from(currentPluginConfiguration); |
| 89 | + // TODO: This will be null if checkstyle isn't declared explicitly. |
| 90 | + // Meaning the transitive dependency version won't be found. |
| 91 | + // Would be great to resolve that transitive version somehow. |
| 92 | + if (checkstyleDependencyMavenId != null && checkstyleDependencyMavenId.getVersion() != null) { |
| 93 | + // Checkstyle Version |
| 94 | + pluginConfigurationBuilder.withCheckstyleVersion(checkstyleDependencyMavenId.getVersion()); |
| 95 | + } |
| 96 | + |
| 97 | + // Checkstyle Third Party Rules |
| 98 | + // TODO: This doesn't differentiate between an additional dependency that may or may |
| 99 | + // not be providing rules. Not sure if that matters or how that would be worked around. |
| 100 | + final var thirdPartyClassPaths = |
| 101 | + checkstyleMavenPlugin.getDependencies().stream() |
| 102 | + .filter( |
| 103 | + dependency -> { |
| 104 | + if (!CHECKSTYLE_MAVEN_ID.equals( |
| 105 | + dependency.getGroupId(), dependency.getArtifactId())) { |
| 106 | + return false; |
| 107 | + } |
| 108 | + |
| 109 | + if (dependency.getArtifactId() == null |
| 110 | + || dependency.getGroupId() == null |
| 111 | + || dependency.getVersion() == null) { |
| 112 | + return false; |
| 113 | + } |
| 114 | + |
| 115 | + return true; |
| 116 | + }) |
| 117 | + .map( |
| 118 | + dependency -> { |
| 119 | + final var dependencyRelativePath = |
| 120 | + Path.of( |
| 121 | + dependency.getGroupId().replace(".", File.separator), |
| 122 | + dependency.getArtifactId(), |
| 123 | + dependency.getVersion(), |
| 124 | + // TODO: This doesn't support classifiers. |
| 125 | + dependency.getArtifactId() + "-" + dependency.getVersion() + ".jar"); |
| 126 | + final var dependencyPath = |
| 127 | + mavenProject.getLocalRepository().toPath().resolve(dependencyRelativePath); |
| 128 | + |
| 129 | + return dependencyPath.toAbsolutePath().toString(); |
| 130 | + }) |
| 131 | + .toList(); |
| 132 | + pluginConfigurationBuilder.withThirdPartyClassPath(thirdPartyClassPaths); |
| 133 | + |
| 134 | + final var checkstyleMavenPluginConfiguration = checkstyleMavenPlugin.getConfigurationElement(); |
| 135 | + if (checkstyleMavenPluginConfiguration != null) { |
| 136 | + // Checkstyle Config File |
| 137 | + final var configLocationElement = |
| 138 | + checkstyleMavenPluginConfiguration.getChild("configLocation"); |
| 139 | + if (configLocationElement != null && configLocationElement.getText() != null) { |
| 140 | + final String mavenPluginConfigLocation = configLocationElement.getText(); |
| 141 | + // This must come after the PluginConfigurationBuilder is modified with the new |
| 142 | + // CheckStyle version and the new third party classpaths. |
| 143 | + final var tempConfiguration = pluginConfigurationBuilder.build(); |
| 144 | + final var checkstyleProjectService = |
| 145 | + CheckstyleProjectService.forVersion( |
| 146 | + project, |
| 147 | + tempConfiguration.getCheckstyleVersion(), |
| 148 | + tempConfiguration.getThirdPartyClasspath()); |
| 149 | + final var configurationLocation = |
| 150 | + createConfigurationLocation( |
| 151 | + project, mavenProject, checkstyleProjectService, mavenPluginConfigLocation); |
| 152 | + |
| 153 | + final var configLocations = new TreeSet<>(currentPluginConfiguration.getLocations()); |
| 154 | + configLocations.removeIf(location -> MAVEN_CONFIG_LOCATION_ID.equals(location.getId())); |
| 155 | + configLocations.add(configurationLocation); |
| 156 | + pluginConfigurationBuilder.withLocations(configLocations); |
| 157 | + |
| 158 | + final var activeConfigLocationIds = |
| 159 | + new TreeSet<>(currentPluginConfiguration.getActiveLocationIds()); |
| 160 | + activeConfigLocationIds.removeIf(MAVEN_CONFIG_LOCATION_ID::equals); |
| 161 | + activeConfigLocationIds.add(configurationLocation.getId()); |
| 162 | + pluginConfigurationBuilder.withActiveLocationIds(activeConfigLocationIds); |
| 163 | + } |
| 164 | + } |
| 165 | + |
| 166 | + // TODO: |
| 167 | + // Checkstyle Scan Scope |
| 168 | + |
| 169 | + final var newPluginConfiguration = pluginConfigurationBuilder.build(); |
| 170 | + if (!currentPluginConfiguration.equals(newPluginConfiguration)) { |
| 171 | + pluginConfigurationManager.setCurrent(pluginConfigurationBuilder.build(), true); |
| 172 | + } |
| 173 | + } |
| 174 | + |
| 175 | + private ConfigurationLocation createConfigurationLocation( |
| 176 | + final Project project, |
| 177 | + final MavenProject mavenProject, |
| 178 | + final CheckstyleProjectService checkstyleProjectService, |
| 179 | + final String mavenPluginConfigLocation) { |
| 180 | + final var configurationLocationFactory = project.getService(ConfigurationLocationFactory.class); |
| 181 | + |
| 182 | + ConfigurationType configurationType = null; |
| 183 | + String configLocation = mavenPluginConfigLocation; |
| 184 | + |
| 185 | + try { |
| 186 | + final var mavenPluginConfigLocationPath = Path.of(mavenPluginConfigLocation); |
| 187 | + if (mavenPluginConfigLocationPath.isAbsolute() |
| 188 | + && Files.isReadable(mavenPluginConfigLocationPath)) { |
| 189 | + configurationType = ConfigurationType.LOCAL_FILE; |
| 190 | + } else if (Files.isReadable( |
| 191 | + Path.of(mavenProject.getDirectory()).resolve(mavenPluginConfigLocationPath))) { |
| 192 | + configurationType = ConfigurationType.PROJECT_RELATIVE; |
| 193 | + // TODO: Seems a bit odd that this needs to be set to an absolute path, instead of a |
| 194 | + // relative path. |
| 195 | + configLocation = |
| 196 | + Path.of(mavenProject.getDirectory()).resolve(mavenPluginConfigLocationPath).toString(); |
| 197 | + } |
| 198 | + } catch (final InvalidPathException ignored) { |
| 199 | + } |
| 200 | + |
| 201 | + if (configurationType == null) { |
| 202 | + try { |
| 203 | + // This can also be a file:// URI. This still resolves fine with the HTTP_URL |
| 204 | + // implementation, so just leaving it alone. This is probably a bit confusing |
| 205 | + // and has potential to break in the future. |
| 206 | + new URI(mavenPluginConfigLocation); |
| 207 | + configurationType = ConfigurationType.HTTP_URL; |
| 208 | + } catch (final URISyntaxException ignored) { |
| 209 | + } |
| 210 | + } |
| 211 | + |
| 212 | + final var classLoader = checkstyleProjectService.underlyingClassLoader(); |
| 213 | + final var resource = classLoader.getResource(mavenPluginConfigLocation); |
| 214 | + if (resource != null) { |
| 215 | + configurationType = ConfigurationType.PLUGIN_CLASSPATH; |
| 216 | + } |
| 217 | + |
| 218 | + if (configurationType == null) { |
| 219 | + throw new RuntimeException( |
| 220 | + "Unable to identify ConfigurationType for configured location: " |
| 221 | + + mavenPluginConfigLocation); |
| 222 | + } |
| 223 | + |
| 224 | + return configurationLocationFactory.create( |
| 225 | + project, |
| 226 | + MAVEN_CONFIG_LOCATION_ID, |
| 227 | + configurationType, |
| 228 | + configLocation, |
| 229 | + "Maven Config Location", |
| 230 | + // TODO: What should this be? |
| 231 | + NamedScopeHelper.getDefaultScope(project)); |
| 232 | + } |
| 233 | +} |
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