#517: optionally support copyright values that only contain inception year rather than year range

src/it/inception-year-only-copyright-format/README.md

@@ -0,0 +1,5 @@
+# Integration test for issue #517
+
+## description
+
+Verify that the copyright statement format can be restricted to use inception year only

src/it/inception-year-only-copyright-format/invoker.properties

@@ -0,0 +1,23 @@
+###
+# #%L
+# License Maven Plugin
+# %%
+# Copyright (C) 2008 - 2020 CodeLutin, Codehaus, Tony Chemit
+# %%
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Lesser Public License for more details.
+#
+# You should have received a copy of the GNU General Lesser Public
+# License along with this program.  If not, see
+# <http://www.gnu.org/licenses/lgpl-3.0.html>.
+# #L%
+###
+invoker.goals=clean package
+invoker.failureBehavior=fail-fast

src/it/inception-year-only-copyright-format/pom.xml

@@ -0,0 +1,117 @@
+<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/xsd/maven-4.0.0.xsd">
+
+  <modelVersion>4.0.0</modelVersion>
+
+
+  <groupId>org.codehaus.mojo.license.test</groupId>
+  <artifactId>test-inception-year-only-copyright-format</artifactId>
+  <version>1.0</version>
+  <name>License Test :: inception-year-only-copyright-format</name>
+  <packaging>jar</packaging>
+
+  <organization>
+    <name>org.example</name>
+  </organization>
+
+  <inceptionYear>2023</inceptionYear>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <build>
+
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <version>@maven-compiler-plugin.version@</version>
+          <configuration>
+            <source>1.8</source>
+            <target>1.8</target>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+
+    <plugins>
+
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>@build-helper-maven-plugin.version@</version>
+        <executions>
+          <execution>
+            <id>add-generated-source-directory</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>add-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>${project.build.directory}/generated-sources</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <plugin>
+        <artifactId>maven-resources-plugin</artifactId>
+        <version>@maven-resources-plugin.version@</version>
+
+        <executions>
+          <execution>
+            <id>generate-sources</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>copy-resources</goal>
+            </goals>
+            <configuration>
+
+              <outputDirectory>${project.build.directory}/generated-sources</outputDirectory>
+
+              <resources>
+                <resource>
+                  <directory>src/main/original/java</directory>
+                  <filtering>false</filtering>
+                  <include>**/*.java</include>
+                </resource>
+              </resources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>license-maven-plugin</artifactId>
+        <version>@project.version@</version>
+
+        <executions>
+          <execution>
+            <phase>process-sources</phase>
+            <goals>
+              <goal>update-file-header</goal>
+            </goals>
+            <configuration>
+
+              <encoding>UTF-8</encoding>
+              <roots>
+                <root>${project.build.directory}/generated-sources</root>
+              </roots>
+
+              <ignoreLastDate>true</ignoreLastDate>
+
+              <licenseName>lgpl_v3</licenseName>
+
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

src/it/inception-year-only-copyright-format/postbuild.groovy

@@ -0,0 +1,29 @@
+/*
+ * #%L
+ * License Maven Plugin
+ * %%
+ * Copyright (C) 2008 - 2020 CodeLutin, Codehaus, Tony Chemit
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU General Lesser Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/lgpl-3.0.html>.
+ * #L%
+ */
+
+file = new File(basedir, 'target/generated-sources/org/example/test/SampleFile.java');
+assert file.exists();
+content = file.text;
+
+assert content.contains('Copyright (C) 2023 org.example');
+
+return true;

src/it/inception-year-only-copyright-format/src/main/original/java/org/example/test/SampleFile.java

@@ -0,0 +1,10 @@
+package org.example.test;
+import java.io.File;
+
+
+public class SampleFile {
+	public static void main(String[] args) {
+		File file = new File(args[0]);
+		System.out.println(file.getAbsolutePath());
+	}
+}

src/it/inception-year-only-copyright-format/src/main/original/java/org/example/test/package-info.java

@@ -0,0 +1,2 @@
+@Deprecated
+package org.example.test;

src/main/java/org/codehaus/mojo/license/AbstractLicenseNameMojo.java

@@ -180,6 +180,14 @@ public abstract class AbstractLicenseNameMojo extends AbstractLicenseMojo {
     @Parameter
     protected Map<String, String> extraTemplateParameters;
 
+    /**
+     * Ignore the last date for copyright year range.
+     *
+     * @since 2.3.0
+     */
+    @Parameter(property = "license.ignoreLastDate", defaultValue = "false")
+    protected boolean ignoreLastDate;
+
     // ----------------------------------------------------------------------
     // Private Fields
     // ----------------------------------------------------------------------
@@ -276,7 +284,9 @@ protected String processLicenseContext(String licenseContent) throws IOException
     }
 
     Copyright getCopyright(String copyrightStringFormat, String holder) {
-        return Copyright.newCopyright(copyrightStringFormat, inceptionYear, holder);
+        return (ignoreLastDate)
+                ? Copyright.newCopyright(copyrightStringFormat, inceptionYear, null, holder)
+                : Copyright.newCopyright(copyrightStringFormat, inceptionYear, holder);
     }
 
     /**