[MCOMPILER-488] dedicated option for implicit javac flag

Author: pzygielo

src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java

@@ -402,6 +402,14 @@ public abstract class AbstractCompilerMojo
  @Parameter( property = "maven.compiler.debuglevel" )
  private String debuglevel;
 
+ /**
+ * Keyword to be appended to the <code>-implicit:</code> command-line switch.
+ *
+ * @since 3.10.2
+ */
+ @Parameter( property = "maven.compiler.implicit" )
+ private String implicit;
+
  /**
  *
  */
@@ -686,6 +694,8 @@ public void execute()
 
  compilerConfiguration.setDebugFileName( getDebugFileName() );
 
+ compilerConfiguration.setImplicitOption( implicit );
+
  if ( debug && StringUtils.isNotEmpty( debuglevel ) )
  {
  String[] split = StringUtils.split( debuglevel, "," );
@@ -1910,4 +1920,9 @@ public void setRelease( String release )
  this.release = release;
  targetOrReleaseSet = true;
  }
+
+ final String getImplicit()
+ {
+ return implicit;
+ }
 }

src/test/java/org/apache/maven/plugin/compiler/CompilerMojoTestCase.java

@@ -267,6 +267,22 @@ public void testCompilerArgs()
  assertEquals( Arrays.asList( "key1=value1","-Xlint","-my&special:param-with+chars/not>allowed_in_XML_element_names" ), compileMojo.compilerArgs );
  }
 
+ public void testImplicitFlagNone()
+ throws Exception
+ {
+ CompilerMojo compileMojo = getCompilerMojo( "target/test-classes/unit/compiler-implicit-test/plugin-config-none.xml" );
+
+ assertEquals( "none", compileMojo.getImplicit() );
+ }
+
+ public void testImplicitFlagNotSet()
+ throws Exception
+ {
+ CompilerMojo compileMojo = getCompilerMojo( "target/test-classes/unit/compiler-implicit-test/plugin-config-not-set.xml" );
+
+ assertNull( compileMojo.getImplicit() );
+ }
+
  public void testOneOutputFileForAllInput2()
  throws Exception
  {

src/test/resources/unit/compiler-implicit-test/plugin-config-none.xml

@@ -0,0 +1,38 @@
+<!--
+ ~ 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>
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <compileSourceRoots>
+ <compileSourceRoot>${basedir}/target/test-classes/unit/compiler-implicit-test/src/main/java</compileSourceRoot>
+ </compileSourceRoots>
+ <compilerId>javac</compilerId>
+ <debug>true</debug>
+ <outputDirectory>${basedir}/target/test/unit/compiler-implicit-test/target/classes</outputDirectory>
+ <buildDirectory>${basedir}/target/test/unit/compiler-implicit-test/target</buildDirectory>
+ <implicit>none</implicit>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>

src/test/resources/unit/compiler-implicit-test/plugin-config-not-set.xml

@@ -0,0 +1,37 @@
+<!--
+ ~ 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>
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <compileSourceRoots>
+ <compileSourceRoot>${basedir}/target/test-classes/unit/compiler-implicit-test/src/main/java</compileSourceRoot>
+ </compileSourceRoots>
+ <compilerId>javac</compilerId>
+ <debug>true</debug>
+ <outputDirectory>${basedir}/target/test/unit/compiler-implicit-test/target/classes</outputDirectory>
+ <buildDirectory>${basedir}/target/test/unit/compiler-implicit-test/target</buildDirectory>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>