Add skip parameter to all Maven goals

log4j-changelog-maven-plugin/src/main/java/org/apache/logging/log4j/changelog/maven/AbstractChangelogMojo.java

@@ -0,0 +1,39 @@
+/*
+ * 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.logging.log4j.changelog.maven;
+
+import java.io.File;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugins.annotations.Parameter;
+
+abstract class AbstractChangelogMojo extends AbstractMojo {
+
+    /**
+     * Indicates if the execution should be skipped or not.
+     */
+    @Parameter(property = "log4j.changelog.skip")
+    boolean skip;
+
+    /**
+     * Directory containing release folders composed of changelog entry XML files.
+     */
+    @Parameter(
+            defaultValue = "${project.basedir}/src/changelog",
+            property = "log4j.changelog.directory",
+            required = true)
+    File changelogDirectory;
+}

log4j-changelog-maven-plugin/src/main/java/org/apache/logging/log4j/changelog/maven/ExportMojo.java

@@ -25,7 +25,6 @@
 import org.apache.logging.log4j.changelog.exporter.ChangelogExporter;
 import org.apache.logging.log4j.changelog.exporter.ChangelogExporterArgs;
 import org.apache.logging.log4j.changelog.exporter.ChangelogExporterTemplate;
-import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
@@ -36,20 +35,11 @@
  * @see ChangelogExporter
  */
 @Mojo(name = "export", defaultPhase = LifecyclePhase.PRE_SITE, threadSafe = true)
-public final class ExportMojo extends AbstractMojo {
+public final class ExportMojo extends AbstractChangelogMojo {
 
     private static final String SOURCE_TARGET_TEMPLATE_PATTERN =
             "^\\.(.*)\\." + ChangelogFiles.templateFileNameExtension() + '$';
 
-    /**
-     * Directory containing release folders composed of changelog entry XML files.
-     */
-    @Parameter(
-            defaultValue = "${project.basedir}/src/changelog",
-            property = "log4j.changelog.directory",
-            required = true)
-    private File changelogDirectory;
-
     /**
      * Templates that will be rendered with the release information of all releases, e.g., to generate an index page.
      */
@@ -73,6 +63,10 @@ public final class ExportMojo extends AbstractMojo {
 
     @Override
     public void execute() {
+        if (skip) {
+            getLog().info("Skipping changelog export");
+            return;
+        }
         final Set<ChangelogExporterTemplate> translatedIndexTemplates = toExporterTemplates(indexTemplates);
         final Set<ChangelogExporterTemplate> translatedReleaseChangelogTemplates =
                 toExporterTemplates(changelogTemplates);

log4j-changelog-maven-plugin/src/main/java/org/apache/logging/log4j/changelog/maven/ImportMojo.java

@@ -20,7 +20,6 @@
 import org.apache.logging.log4j.changelog.importer.MavenChangesImporter;
 import org.apache.logging.log4j.changelog.importer.MavenChangesImporterArgs;
 import org.apache.logging.log4j.changelog.releaser.ChangelogReleaser;
-import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 
@@ -30,16 +29,7 @@
  * @see ChangelogReleaser
  */
 @Mojo(name = "import", threadSafe = true)
-public final class ImportMojo extends AbstractMojo {
-
-    /**
-     * Directory containing release folders composed of changelog entry XML files.
-     */
-    @Parameter(
-            defaultValue = "${project.basedir}/src/changelog",
-            property = "log4j.changelog.directory",
-            required = true)
-    private File changelogDirectory;
+public final class ImportMojo extends AbstractChangelogMojo {
 
     /**
      * <a href="https://maven.apache.org/plugins/maven-changes-plugin/">maven-changes-plugin</a> source XML, {@code changes.xml}, location.
@@ -58,6 +48,10 @@ public final class ImportMojo extends AbstractMojo {
 
     @Override
     public void execute() {
+        if (skip) {
+            getLog().info("Skipping changelog import");
+            return;
+        }
         final MavenChangesImporterArgs args =
                 new MavenChangesImporterArgs(changelogDirectory.toPath(), changesXmlFile.toPath(), releaseVersionMajor);
         MavenChangesImporter.performImport(args);

log4j-changelog-maven-plugin/src/main/java/org/apache/logging/log4j/changelog/maven/ReleaseMojo.java

@@ -16,13 +16,11 @@
  */
 package org.apache.logging.log4j.changelog.maven;
 
-import java.io.File;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.util.regex.Pattern;
 import org.apache.logging.log4j.changelog.releaser.ChangelogReleaser;
 import org.apache.logging.log4j.changelog.releaser.ChangelogReleaserArgs;
-import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
@@ -33,16 +31,7 @@
  * @see ChangelogReleaser
  */
 @Mojo(name = "release", defaultPhase = LifecyclePhase.VALIDATE, threadSafe = true)
-public final class ReleaseMojo extends AbstractMojo {
-
-    /**
-     * Directory containing release folders composed of changelog entry XML files.
-     */
-    @Parameter(
-            defaultValue = "${project.basedir}/src/changelog",
-            property = "log4j.changelog.directory",
-            required = true)
-    private File changelogDirectory;
+public final class ReleaseMojo extends AbstractChangelogMojo {
 
     /**
      * The version to be released, e.g., {@code 2.19.0}.
@@ -66,6 +55,10 @@ public final class ReleaseMojo extends AbstractMojo {
 
     @Override
     public void execute() {
+        if (skip) {
+            getLog().info("Skipping changelog release");
+            return;
+        }
         Pattern compiledVersionPattern = versionPattern != null ? Pattern.compile(versionPattern) : null;
         final ChangelogReleaserArgs args = new ChangelogReleaserArgs(
                 changelogDirectory.toPath(),

log4j-docgen-maven-plugin/src/main/java/org/apache/logging/log4j/docgen/maven/AbstractGeneratorMojo.java → log4j-docgen-maven-plugin/src/main/java/org/apache/logging/log4j/docgen/maven/AbstractDocgenMojo.java

@@ -21,7 +21,13 @@
 import org.apache.maven.plugins.annotations.Parameter;
 import org.jspecify.annotations.Nullable;
 
-abstract class AbstractGeneratorMojo extends AbstractMojo {
+abstract class AbstractDocgenMojo extends AbstractMojo {
+
+    /**
+     * Indicates if the execution should be skipped or not.
+     */
+    @Parameter(property = "log4j.docgen.skip")
+    boolean skip;
 
     /**
      * The paths of the plugin descriptor XML files.

log4j-docgen-maven-plugin/src/main/java/org/apache/logging/log4j/docgen/maven/DocumentationGeneratorMojo.java

@@ -33,7 +33,7 @@
  * @see DocumentationGenerator
  */
 @Mojo(name = "generate-documentation", defaultPhase = LifecyclePhase.GENERATE_RESOURCES, threadSafe = true)
-public class DocumentationGeneratorMojo extends AbstractGeneratorMojo {
+public class DocumentationGeneratorMojo extends AbstractDocgenMojo {
 
     /**
      * The path to the FreeMarker template directory.
@@ -55,6 +55,10 @@ public class DocumentationGeneratorMojo extends AbstractGeneratorMojo {
 
     @Override
     public void execute() {
+        if (skip) {
+            getLog().info("Skipping documentation generation");
+            return;
+        }
         final Set<PluginSet> pluginSets =
                 PluginSets.ofDescriptorFilesAndFileMatchers(descriptorFiles, descriptorFileMatchers);
         final Predicate<String> classNameFilter = typeFilter != null ? typeFilter.createPredicate() : ignored -> true;

log4j-docgen-maven-plugin/src/main/java/org/apache/logging/log4j/docgen/maven/SchemaGeneratorMojo.java

@@ -34,7 +34,7 @@
  * @see SchemaGenerator
  */
 @Mojo(name = "generate-schema", defaultPhase = LifecyclePhase.GENERATE_RESOURCES, threadSafe = true)
-public class SchemaGeneratorMojo extends AbstractGeneratorMojo {
+public class SchemaGeneratorMojo extends AbstractDocgenMojo {
 
     /**
      * The version of the XSD
@@ -50,6 +50,10 @@ public class SchemaGeneratorMojo extends AbstractGeneratorMojo {
 
     @Override
     public void execute() throws MojoExecutionException {
+        if (skip) {
+            getLog().info("Skipping schema generation");
+            return;
+        }
         final Set<PluginSet> pluginSets =
                 PluginSets.ofDescriptorFilesAndFileMatchers(descriptorFiles, descriptorFileMatchers);
         final Predicate<String> classNameFilter = typeFilter != null ? typeFilter.createPredicate() : ignored -> true;

src/changelog/.0.x.x/add-maven-skip.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns="https://logging.apache.org/xml/ns"
+       xsi:schemaLocation="https://logging.apache.org/xml/ns https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
+       type="added">
+  <issue id="121" link="https://github.com/apache/logging-log4j-tools/pull/121"/>
+  <description format="asciidoc">Add `skip` parameter to all Maven goals</description>
+</entry>

src/site/antora/modules/ROOT/pages/log4j-changelog-maven-plugin.adoc

@@ -86,6 +86,10 @@ You can use the `export` goal as follows:
 
 `export` goal by default runs during the `pre-site` phase and accepts the following configuration:
 
+`skip` (parameter)::
+Indicates if the execution should be skipped or not.
+It defaults to `false` and can be set using the `log4j.changelog.skip` property.
+
 `changelogDirectory` (parameter)::
 Directory containing release folders composed of changelog entry XML files.
 It defaults to `${project.basedir}/src/changelog` and can be set using the `log4j.changelog.directory` property.
@@ -135,6 +139,10 @@ Note that above we are using `-N` (`--non-recursive`) to avoid visiting submodul
 
 `release` goal does not have default phase and accepts the following configuration parameters:
 
+`skip` (parameter)::
+Indicates if the execution should be skipped or not.
+It defaults to `false` and can be set using the `log4j.changelog.skip` property.
+
 `changelogDirectory` (parameter)::
 Directory containing release folders composed of changelog entry XML files.
 It defaults to `${project.basedir}/src/changelog` and can be set using the `log4j.changelog.directory` property.

src/site/antora/modules/ROOT/pages/log4j-docgen-maven-plugin.adoc

@@ -69,6 +69,12 @@ The `generate-documentation` goal generates an AsciiDoc-formatted documentation
 </configuration>
 ----
 
+The `generate-documentation` goal configuration also accepts the following parameters:
+
+`skip` (parameter)::
+Indicates if the execution should be skipped or not.
+It defaults to `false` and can be set using the `log4j.docgen.skip` property.
+
 [#generate-schema]
 == Generate schema
 
@@ -96,3 +102,9 @@ The `generate-schema` goal generates an XSD derived from the types loaded using
 
 </configuration>
 ----
+
+The `generate-schema` goal configuration also accepts the following parameters:
+
+`skip` (parameter)::
+Indicates if the execution should be skipped or not.
+It defaults to `false` and can be set using the `log4j.docgen.skip` property.