michael-o commented on code in PR #1597: URL: https://github.com/apache/maven/pull/1597#discussion_r1670711390
########## api/maven-api-core/src/main/java/org/apache/maven/api/Constants.java: ########## @@ -0,0 +1,239 @@ +/* + * 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. + */ +package org.apache.maven.api; + +import org.apache.maven.api.annotations.Config; + +/** + * Configuration constants. + */ +public final class Constants { + + /** + * Maven home. + * + * @since 3.0.0 + */ + @Config(readOnly = true) + public static final String MAVEN_HOME = "maven.home"; + + /** + * Maven configuration. + * + * @since 3.0.0 + */ + @Config(defaultValue = "${maven.home}/conf") + public static final String MAVEN_CONF = "maven.conf"; + + /** + * Maven user home. + * + * @since 4.0.0 + */ + @Config(defaultValue = "${user.home}/.m2") + public static final String MAVEN_USER_HOME = "maven.user.home"; + + /** + * Maven local repository. + * + * @since 3.0.0 + */ + @Config(defaultValue = "${maven.user.home}/repository") + public static final String MAVEN_REPO_LOCAL = "maven.repo.local"; + + /** + * Maven system-wide extensions. + * + * @since 4.0.0 + */ + @Config(defaultValue = "${maven.conf}/extensions.xml") + public static final String MAVEN_SYSTEM_EXTENSIONS = "maven.system.extensions"; + + /** + * Maven user extensions. + * + * @since 4.0.0 + */ + @Config(defaultValue = "${maven.user.home}/extensions.xml") + public static final String MAVEN_USER_EXTENSIONS = "maven.user.extensions"; + + /** + * Maven project-wide extensions. + * + * @since 4.0.0 + */ + @Config(defaultValue = "${session.rootDirectory}/.mvn/extensions.xml") + public static final String MAVEN_PROJECT_EXTENSIONS = "maven.project.extensions"; + + /** + * Maven system toolchains. + * + * @since 4.0.0 + */ + @Config(defaultValue = "${maven.conf}/toolchains.xml") + public static final String MAVEN_SYSTEM_TOOLCHAINS = "maven.system.toolchains"; + + /** + * Maven user toolchains. + * + * @since 4.0.0 + */ + @Config(defaultValue = "${maven.user.home}/toolchains.xml") + public static final String MAVEN_USER_TOOLCHAINS = "maven.user.toolchains"; + + /** + * Extensions class path. + */ + @Config + public static final String MAVEN_EXT_CLASS_PATH = "maven.ext.class.path"; + + /** + * Maven output color mode. + * Allowed values are <code>auto</code>, <code>always</code>, <code>never</code>. + * + * @since 4.0.0 + */ + @Config(defaultValue = "auto") + public static final String MAVEN_STYLE_COLOR_PROPERTY = "maven.style.color"; + + /** + * Build timestamp format. + * + * @since 3.0.0 + */ + @Config(source = Config.Source.MODEL, defaultValue = "yyyy-MM-dd'T'HH:mm:ss'Z'") + public static final String MAVEN_BUILD_TIMESTAMP_FORMAT = "maven.build.timestamp.format"; + + /** + * User controlled relocations. + * This property is a comma separated list of entries with the syntax <code>GAV>GAV</code>. + * The first <code>GAV</code> can contain <code>*</code> for any elem (so <code>*:*:*</code> would mean ALL, something + * you don't want). The second <code>GAV</code> is either fully specified, or also can contain <code>*</code>, + * then it behaves as "ordinary relocation": the coordinate is preserved from relocated artifact. + * Finally, if right hand <code>GAV</code> is absent (line looks like <code>GAV></code>), the left hand matching + * <code>GAV</code> is banned fully (from resolving). + * <p> + * Note: the <code>></code> means project level, while <code>>></code> means global (whole session level, + * so even plugins will get relocated artifacts) relocation. + * </p> + * <p> + * For example, + * <pre>maven.relocations.entries = org.foo:*:*>, \\<br/> org.here:*:*>org.there:*:*, \\<br/> javax.inject:javax.inject:1>>jakarta.inject:jakarta.inject:1.0.5</pre> + * means: 3 entries, ban <code>org.foo group</code> (exactly, so <code>org.foo.bar</code> is allowed), + * relocate <code>org.here</code> to <code>org.there</code> and finally globally relocate (see <code>>></code> above) + * <code>javax.inject:javax.inject:1</code> to <code>jakarta.inject:jakarta.inject:1.0.5</code>. + * </p> + * + * @since 4.0.0 + */ + @Config + public static final String MAVEN_RELOCATIONS_ENTRIES = "maven.relocations.entries"; + + /** + * User property for version filters expression, a semicolon separated list of filters to apply. By default, no version + * filter is applied (like in Maven 3). + * <p> + * Supported filters: + * <ul> + * <li>"h" or "h(num)" - highest version or top list of highest ones filter</li> + * <li>"l" or "l(num)" - lowest version or bottom list of lowest ones filter</li> + * <li>"s" - contextual snapshot filter</li> + * <li>"e(G:A:V)" - predicate filter (leaves out G:A:V from range, if hit, V can be range)</li> + * </ul> + * Example filter expression: <code>"h(5);s;e(org.foo:bar:1)</code> will cause: ranges are filtered for "top 5" (instead + * full range), snapshots are banned if root project is not a snapshot, and if range for <code>org.foo:bar</code> is + * being processed, version 1 is omitted. + * </p> + * + * @since 4.0.0 + */ + @Config + public static final String MAVEN_VERSION_FILTERS = "maven.versionFilters"; + + /** + * User property for chained LRM: list of "tail" local repository paths (separated by comma), to be used with + * {@code org.eclipse.aether.util.repository.ChainedLocalRepositoryManager}. + * Default value: <code>null</code>, no chained LRM is used. + * + * @since 3.9.0 + */ + @Config + public static final String MAVEN_REPO_LOCAL_TAIL = "maven.repo.local.tail"; + + /** + * User property for reverse dependency tree. If enabled, Maven will record ".tracking" directory into local + * repository with "reverse dependency tree", essentially explaining WHY given artifact is present in local + * repository. + * Default: <code>false</code>, will not record anything. + * + * @since 3.9.0 + */ + @Config(defaultValue = "false") + public static final String MAVEN_REPO_LOCAL_RECORD_REVERSE_TREE = "maven.repo.local.recordReverseTree"; + + /** + * User property for selecting dependency manager behaviour regarding transitive dependencies and dependency + * management entries in their POMs. Maven 3 targeted full backward compatibility with Maven2, hence it ignored + * dependency management entries in transitive dependency POMs. Maven 4 enables "transitivity" by default, hence + * unlike Maven2, obeys dependency management entries deep in dependency graph as well. + * <p> + * Default: <code>"true"</code>. + * </p> + * + * @since 4.0.0 + */ + @Config(defaultValue = "true") + public static final String MAVEN_RESOLVER_DEPENDENCY_MANAGER_TRANSITIVITY = + "maven.resolver.dependencyManagerTransitivity"; + + /** + * Resolver transport to use. + * Can be <code>default</code>, <code>wagon</code>, <code>apache</code>, <code>jdk</code> or <code>auto</code>. + * + * @since 4.0.0 + */ + @Config(defaultValue = "default") + public static final String MAVEN_RESOLVER_TRANSPORT = "maven.resolver.transport"; + + /** + * Plugin validation level. + * + * @since 3.9.2 + */ + @Config(defaultValue = "inline") + public static final String MAVEN_PLUGIN_VALIDATION = "maven.plugin.validation"; + + /** + * Plugin validation exclusions. + * + * @since 3.9.6 + */ + @Config + public static final String MAVEN_PLUGIN_VALIDATION_EXCLUDES = "maven.plugin.validation.excludes"; + + /** + * ProjectBuilder parallelism. + * + * @since 4.0.0 + */ + @Config(type = "java.lang.Integer", defaultValue = "cores/2 + 1") Review Comment: Ah OK, I was really suprised that we have this magic now... -- This is an automated message from the Apache Git Service. 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