manifold.javadoc.agent.Util Maven / Gradle / Ivy
/*
* Copyright (c) 2021 - Manifold Systems LLC
*
* Licensed 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 manifold.javadoc.agent;
import com.sun.source.util.JavacTask;
import com.sun.source.util.Plugin;
import javax.annotation.processing.ProcessingEnvironment;
import java.util.ServiceLoader;
public class Util
{
public static void initJavacPlugin( Object context, ClassLoader cl )
{
// Load the JavacPlugin
bypassJava9Security( cl );
ServiceLoader sl = ServiceLoader.load( Plugin.class, cl );
for( Plugin plugin : sl )
{
if( plugin.getName().equals( "Manifold" ) )
{
try
{
// note, using reflection here for the case where we build manifold with java 11 when we have to compile ManXxx_11 classes
// otherwise, direct refs to com.sun.tools.javac.xxx classes fail to resolve cuz modules
Class jpeClass = Class.forName( "com.sun.tools.javac.processing.JavacProcessingEnvironment" );
Class ctxClass = Class.forName( "com.sun.tools.javac.util.Context" );
Object jpe = jpeClass.getMethod( "instance", ctxClass ).invoke( null, context );
plugin.init( JavacTask.instance( (ProcessingEnvironment)jpe ) );
break;
}
catch( Exception e )
{
throw new RuntimeException( e );
}
}
}
}
private static void bypassJava9Security( ClassLoader cl )
{
try
{
Class Neu = Class.forName( "manifold.util.NecessaryEvilUtil", true, cl );
Neu.getMethod( "bypassJava9Security" ).invoke( null );
}
catch( Exception e )
{
throw new RuntimeException( e );
}
}
}