[MJAVADOC-822] skippedModules should be more scalable and support reg…

…ex (#336)

Signed-off-by: Olivier Lamy <olamy@apache.org>

src/it/projects/MJAVADOC-636-aggregate_module_skipped/b/e1/pom.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.maven.plugins.javadoc.it</groupId>
+    <artifactId>mjavadoc636b</artifactId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+  <artifactId>mjavadoc636e1</artifactId>
+
+</project>

src/it/projects/MJAVADOC-636-aggregate_module_skipped/b/e1/src/main/java/a/b/e/E1.java

@@ -0,0 +1,25 @@
+package a.b.e;
+
+/*
+ * 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.
+ */
+
+public interface E1
+{
+
+}

src/it/projects/MJAVADOC-636-aggregate_module_skipped/b/pom.xml

@@ -34,6 +34,7 @@
   <modules>
     <module>c</module>
     <module>e</module>
+    <module>e1</module>
   </modules>
 
 </project>

src/it/projects/MJAVADOC-636-aggregate_module_skipped/pom.xml

@@ -54,7 +54,7 @@
           <artifactId>maven-javadoc-plugin</artifactId>
           <version>@project.version@</version>
           <configuration>
-            <skippedModules>mjavadoc636e,mjavadoc636d1</skippedModules>
+            <skippedModules>mjavadoc636e.*,mjavadoc636d1</skippedModules>
           </configuration>
         </plugin>
       </plugins>

src/it/projects/MJAVADOC-636-aggregate_module_skipped/verify.groovy

@@ -32,6 +32,7 @@ for (JarEntry file in jar.entries()){
 }
 
 assert !files.contains("a/b/e/E.html")
+assert !files.contains("a/b/e/E1.html")
 assert !files.contains("a/b/c/d/D1.html")
 assert files.contains("a/b/c/d/D2.html")
 assert files.contains("a/f/F.html")

src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java

@@ -52,6 +52,7 @@
 import java.util.Properties;
 import java.util.Set;
 import java.util.StringTokenizer;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.BooleanUtils;
@@ -1210,7 +1211,7 @@ public abstract class AbstractJavadocMojo extends AbstractMojo {
      * <br/>
      * <b>Note</b>: if {@link #detectOfflineLinks} is defined, the offline links between the project modules are
      * automatically added if the goal is calling in a non-aggregator way.
-     * @see OfflineLink.
+     * @see OfflineLink
      * @see <a href="https://docs.oracle.com/en/java/javase/17/docs/specs/man/javadoc.html#additional-options-provided-by-the-standard-doclet">Doclet option linkoffline</a>
      */
     @Parameter(property = "offlineLinks")
@@ -1642,14 +1643,19 @@ public abstract class AbstractJavadocMojo extends AbstractMojo {
 
     /**
      * <p>
-     * Comma separated list of modules (artifactId) to not add in aggregated javadoc
+     * Comma separated list of modules (can be regular expression) in the format ([group:]artifactId) to not add in aggregated javadoc
      * </p>
      *
      * @since 3.2.0
      */
     @Parameter(property = "maven.javadoc.skippedModules")
     private String skippedModules;
 
+    /**
+     * List built once from the parameter {@link #skippedModules}
+     */
+    private List<Pattern> patternsToSkip;
+
     /**
      * Timestamp for reproducible output archive entries, either formatted as ISO 8601
      * <code>yyyy-MM-dd'T'HH:mm:ssXXX</code> or as an int representing seconds since the epoch (like
@@ -6043,8 +6049,20 @@ protected boolean isSkippedModule(MavenProject mavenProject) {
         if (this.skippedModules == null || this.skippedModules.isEmpty()) {
             return false;
         }
-        List<String> modulesToSkip = Arrays.asList(StringUtils.split(this.skippedModules, ','));
-        return modulesToSkip.contains(mavenProject.getArtifactId());
+        if (this.patternsToSkip == null) {
+            this.patternsToSkip = Arrays.stream(StringUtils.split(this.skippedModules, ','))
+                    .map(String::trim)
+                    // we are expecting something such [groupdId:]artifactId so if no groupId we want to match any
+                    // groupId
+                    .map(s -> !s.contains(":") ? ".*:" + s : s)
+                    .map(Pattern::compile)
+                    .collect(Collectors.toList());
+        }
+        Optional<Pattern> found = this.patternsToSkip.stream()
+                .filter(pattern -> pattern.matcher(mavenProject.getGroupId() + ":" + mavenProject.getArtifactId())
+                        .matches())
+                .findAny();
+        return found.isPresent() || isSkippedJavadoc(mavenProject);
     }
 
     /**