uschindler commented on a change in pull request #470: URL: https://github.com/apache/lucene/pull/470#discussion_r761290807
########## File path: gradle/java/modules.gradle ########## @@ -0,0 +1,169 @@ +import java.util.jar.JarFile +import java.util.stream.Collectors + +/* + * 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. + */ + +// Configure other things required for the java module system layer. + +allprojects { + plugins.withType(JavaPlugin) { + // Configure the version attribute. + tasks.withType(JavaCompile).configureEach{ + it.options.javaModuleVersion.set(provider { + return project.version.toString() + }) + } + } + + // TODO: remove the hacks excluding java-module source folder from ecjLint and javadoc rendering. +} + +configure(rootProject) { + // Show all module names (for ease of debugging) + tasks.register("showModuleNames", { showModuleTask -> + def allJarTasks = [] + + rootProject.subprojects.each { subproject -> + subproject.tasks.matching { it.name == 'jar' }.all { + allJarTasks.add it + } + } + + dependsOn allJarTasks + + doFirst { + allJarTasks.each { jarTask -> + File jarFile = jarTask.outputs.files.singleFile + try (def jar = new JarFile(jarFile)) { + logger.lifecycle(String.format(Locale.ROOT, + "%-50s -> %s", + jarFile.name, + jar.manifest.mainAttributes.getValue("Automatic-Module-Name"))) + } + } + } + }) +} + +allprojects { + // Show all non-empty package names + plugins.withType(JavaPlugin) { + tasks.register("showPackageNames", { task -> + doFirst { + listPackageNames(sourceSets).each { println(it) } + } + }) + } +} + +allprojects { + // Show all service providers + plugins.withType(JavaPlugin) { + tasks.register("showServiceProviders", { task -> + doFirst { + def services = listServices(sourceSets) + services.each { entry -> { + println(entry.key) + entry.value.each { println(" ${it}") } + }} + } + }) + } +} + +allprojects { + plugins.withType(JavaPlugin) { + tasks.register("scaffoldModuleDescriptor", { + doFirst { + def moduleName = "org.apache" + project.path.replace('-', '_').replace(':', '.') + def pkgNames = listPackageNames(sourceSets) + def services = listServices(sourceSets) + def outFile = project.file("${getTemporaryDir()}/module-info.java") + outFile.withWriter("UTF-8", { writer -> + writer.write("module ${moduleName} {\n") + // write exports statements + pkgNames.each {pkg -> + writer.write(" exports ") + writer.write(pkg) + writer.write(";\n") + } + writer.write("\n") + // write provides statements + services.each { entry -> { + def service = entry.key + def providers = " " + entry.value.join(",\n ") + writer.write(" provides ") + writer.write(service) + writer.write(" with\n") + writer.write(providers) + writer.write(";\n") + }} + writer.write("\n") + // write uses statements + services.keySet().each { service -> + writer.write(" uses ${service};\n") + } + writer.write("}\n") + }) + + logger.lifecycle("Output to: ${outFile}") + logger.lifecycle("NOTE: The generated module descriptor is not complete and won't work as is.") + } + }) + } +} + +/* Utility method to collect all package names in a source sets. */ +static def listPackageNames(SourceSetContainer sourceSets) { + var pkgNameSet = [] as Set<String> + sourceSets.main.each { sourceSet -> + var dirs = sourceSet.allJava.srcDirTrees.collect { it.dir.toPath() } + sourceSet.allJava.filter{ it.name != "module-info.java" && it.name != "package-info.java" }.each {srcFile -> + var srcPath = srcFile.toPath() + var dir = dirs.find { srcPath.startsWith(it) } + var pkgName = srcPath.subpath(dir.nameCount, srcPath.nameCount).parent.stream().map(Object::toString).collect(Collectors.joining('.')) + pkgNameSet.add(pkgName) + } + } + var pkgNames = pkgNameSet as List<String> + pkgNames.sort() + return pkgNames +} + +/* Utility method to collect all service providers in a source sets. */ +static def listServices(SourceSetContainer sourceSets) { + def services = [:] as Map<String, List<String>> + sourceSets.main.each {sourceSet -> + sourceSet.resources.filter { file -> file.path.contains("META-INF/services/") }.each {file -> Review comment: I fixed it. -- This is an automated message from the Apache Git Service. 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