diff --git a/src/it/projects/addscript/invoker.properties b/src/it/projects/addscript/invoker.properties
new file mode 100644
index 000000000..303cfaa57
--- /dev/null
+++ b/src/it/projects/addscript/invoker.properties
@@ -0,0 +1,19 @@
+# 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.
+
+invoker.goals=compile javadoc:javadoc
+invoker.java.version = 18+
diff --git a/src/it/projects/addscript/pom.xml b/src/it/projects/addscript/pom.xml
new file mode 100644
index 000000000..b06e5b6df
--- /dev/null
+++ b/src/it/projects/addscript/pom.xml
@@ -0,0 +1,50 @@
+
+
+
+
+
+ 4.0.0
+ org.apache.maven.plugins.javadoc.it
+ addscript
+ 1.0.0-SNAPSHOT
+
+
+ UTF-8
+ @maven.compiler.source@
+ @maven.compiler.target@
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ @compilerPluginVersion@
+
+
+ org.apache.maven.plugins
+ maven-javadoc-plugin
+ @project.version@
+
+
+ resources/custom-script.js
+ resources/custom-script1.js
+ resources/custom-script2.js
+
+
+
+
+
+
+
diff --git a/src/it/projects/addscript/src/main/java/com/example/AddScriptJavaDoc.java b/src/it/projects/addscript/src/main/java/com/example/AddScriptJavaDoc.java
new file mode 100644
index 000000000..1f5956cd5
--- /dev/null
+++ b/src/it/projects/addscript/src/main/java/com/example/AddScriptJavaDoc.java
@@ -0,0 +1,28 @@
+package com.example;
+
+/*
+ * 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.
+ */
+
+/**
+ * Support for multiple extra scripts
+ */
+public class AddScriptJavaDoc
+{
+
+}
diff --git a/src/it/projects/addscript/src/main/javadoc/resources/custom-script.js b/src/it/projects/addscript/src/main/javadoc/resources/custom-script.js
new file mode 100644
index 000000000..3d5ae068a
--- /dev/null
+++ b/src/it/projects/addscript/src/main/javadoc/resources/custom-script.js
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+console.log('script');
diff --git a/src/it/projects/addscript/src/main/javadoc/resources/custom-script1.js b/src/it/projects/addscript/src/main/javadoc/resources/custom-script1.js
new file mode 100644
index 000000000..84033af24
--- /dev/null
+++ b/src/it/projects/addscript/src/main/javadoc/resources/custom-script1.js
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+console.log('script1');
diff --git a/src/it/projects/addscript/src/main/javadoc/resources/custom-script2.js b/src/it/projects/addscript/src/main/javadoc/resources/custom-script2.js
new file mode 100644
index 000000000..bcc787abc
--- /dev/null
+++ b/src/it/projects/addscript/src/main/javadoc/resources/custom-script2.js
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+console.log('script2');
diff --git a/src/it/projects/addscript/verify.groovy b/src/it/projects/addscript/verify.groovy
new file mode 100644
index 000000000..5d9152260
--- /dev/null
+++ b/src/it/projects/addscript/verify.groovy
@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+def file = new File( basedir, 'target/reports/apidocs/com/example/AddScriptJavaDoc.html' );
+
+assert file.exists()
+
+assert 1 == file.text.count('custom-script.js')
+assert 1 == file.text.count('custom-script1.js')
+assert 1 == file.text.count('custom-script2.js')
diff --git a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
index 1981bed20..7b740ace1 100644
--- a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
+++ b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
@@ -1310,6 +1310,22 @@ public AbstractJavadocMojo(
@Parameter
private String[] addStylesheets;
+ /**
+ * Specifies the path of an additional script file relative to the {@code javadocDirectory}
+ * Example:
+ *
+ * <addScripts>
+ * <addScript>resources/script.js</addScript>
+ * </addScripts>
+ *
+ *
+ * These script files are passed to the Javadoc tool via the {@code --add-script} parameter.
+ * This option is available since JDK 18.
+ * @since 3.13.0
+ */
+ @Parameter
+ private String[] addScripts;
+
/**
* Specifies the class file that starts the taglet used in generating the documentation for that tag.
* @see Doclet option taglet.
@@ -2789,6 +2805,44 @@ private Optional getAddStylesheet(final File javadocOutputDirectory, final
"additional stylesheet file does not exist: " + addstylesheetfile.getAbsolutePath());
}
+ private void addAddScripts(List arguments) throws MavenReportException {
+ if (addScripts == null) {
+ return;
+ }
+
+ JavaVersion requiredJavaVersionForScripts = JavaVersion.parse("18");
+ if (!isJavaDocVersionAtLeast(requiredJavaVersionForScripts)) {
+ throw new MavenReportException(
+ "the javadoc tool option to add scripts (--add-scripts) is available only since JDK 18");
+ }
+
+ for (String addScript : addScripts) {
+ Optional script = getAddScript(getJavadocDirectory(), addScript);
+
+ if (script.isPresent()) {
+ addArgIfNotEmpty(
+ arguments,
+ "--add-script",
+ JavadocUtil.quotedPathArgument(script.get().getAbsolutePath()),
+ requiredJavaVersionForScripts);
+ }
+ }
+ }
+
+ private Optional getAddScript(final File javadocOutputDirectory, final String script)
+ throws MavenReportException {
+ if (script == null || script.isEmpty()) {
+ return Optional.empty();
+ }
+
+ File scriptFile = new File(getJavadocDirectory(), script);
+ if (scriptFile.exists()) {
+ return Optional.of(scriptFile);
+ }
+
+ throw new MavenReportException("script file does not exist: " + scriptFile.getAbsolutePath());
+ }
+
/**
* Method to get the help file to be used by the Javadoc Tool.
*
@@ -4761,6 +4815,8 @@ private void addStandardDocletOptions(
addAddStyleSheets(arguments);
+ addAddScripts(arguments);
+
addArgIfNotEmpty(arguments, "-subpackages", subpackages);
addArgIfNotEmpty(arguments, "-taglet", JavadocUtil.quotedArgument(taglet));